Merge branch 'android11-5.4' into 'android11-5.4-lts'

Sync up with android11-5.4 for the following commits:

051373292b ANDROID: GKI: Enable CHACHA20POLY1305 and XCBC
55cb12f0f8 ANDROID: Incremental fs: Fix dentry get/put imbalance on vfs_mkdir() failure
59d8264680 ANDROID: f2fs: fix potential deadlock by android ftrace
dc8c919ca6 ANDROID: GKI: Update FCNT KMI symbol list No new symbols added that are not already in the .xml file.
e3f12f4239 ANDROID: GKI : Update symbols to symbol list
47c8de47e1 BACKPORT: crypto: arch - conditionalize crypto api in arch glue for lib code
514e31d6a1 BACKPORT: crypto: arch/lib - limit simd usage to 4k chunks
568c0c89d9 UPSTREAM: crypto: arm/blake2s - fix for big endian
ce6e69838c ANDROID: gki_defconfig: enable BLAKE2b support
40501f7350 BACKPORT: crypto: arm/blake2b - add NEON-accelerated BLAKE2b
477000061d BACKPORT: crypto: blake2b - update file comment
c5816192fd BACKPORT: crypto: blake2b - sync with blake2s implementation
be7d8de428 UPSTREAM: crypto: arm/blake2s - add ARM scalar optimized BLAKE2s
d63d7c1ee0 UPSTREAM: crypto: blake2s - include <linux/bug.h> instead of <asm/bug.h>
b8de6b8e2c UPSTREAM: crypto: blake2s - adjust include guard naming
609d9425fa UPSTREAM: crypto: blake2s - add comment for blake2s_state fields
32ac79b096 UPSTREAM: crypto: blake2s - optimize blake2s initialization
74c75891bd BACKPORT: crypto: blake2s - share the "shash" API boilerplate code
8a14e1d839 UPSTREAM: crypto: blake2s - move update and final logic to internal/blake2s.h
4c7a6f464d UPSTREAM: crypto: blake2s - remove unneeded includes
7537c64845 UPSTREAM: crypto: x86/blake2s - define shash_alg structs using macros
b54930b350 UPSTREAM: crypto: blake2s - define shash_alg structs using macros
05e10b45ed UPSTREAM: crypto: lib/blake2s - Move selftest prototype into header file
29ab2a5781 UPSTREAM: crypto: blake2b - Fix clang optimization for ARMv7-M
27c00daf70 UPSTREAM: crypto: blake2b - rename tfm context and _setkey callback
196f7b5134 UPSTREAM: crypto: blake2b - merge _update to api callback
a623362717 UPSTREAM: crypto: blake2b - open code set last block helper
00e77739a2 UPSTREAM: crypto: blake2b - delete unused structs or members
f03f8096dc UPSTREAM: crypto: blake2b - simplify key init
fdb0b24608 UPSTREAM: crypto: blake2b - merge blake2 init to api callback
75973ecd9d UPSTREAM: crypto: blake2b - merge _final implementation to callback
fbbe069bbb BACKPORT: crypto: testmgr - add test vectors for blake2b
9cd856934e BACKPORT: crypto: blake2b - add blake2b generic implementation
3e82f8af26 UPSTREAM: crypto: blake2s - x86_64 SIMD implementation
22bff7a3f6 UPSTREAM: crypto: blake2s - implement generic shash driver
43ec9b95a3 UPSTREAM: crypto: testmgr - add test cases for Blake2s
192edcb3df UPSTREAM: crypto: blake2s - generic C library implementation and selftest
078cebb3f5 UPSTREAM: crypto: lib - tidy up lib/crypto Kconfig and Makefile
160ab93103 ANDROID: ion heap: init ion heaps in subsys_initcall

Change-Id: I3a9e13098b73ae21ea76d95c75572c124bd91cfd
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

android/abi_gki_aarch64_fcnt

@@ -4,7 +4,7 @@
   sync_blockdev
   read_cache_page
   blkdev_put
-  blkdev_get_by_dev
+  blkdev_get_by_path
 
 # required by pt.ko
   input_mt_sync_frame
@@ -69,3 +69,12 @@
 
 # required by chipone-ts.ko
   input_mt_sync_frame
+
+# required by hardware_info.ko
+  simple_strtoull
+
+# required by spidev.ko
+  stream_open
+
+# required by sdhci-msm.ko
+  mmc_gpio_set_cd_wake

android/abi_gki_aarch64_oplus

@@ -51,6 +51,7 @@
   regulator_set_voltage
   remove_proc_entry
   schedule_timeout
+  sdio_writeb_readb
   seq_printf
   seq_read
   simple_open

arch/arm/crypto/Kconfig

@@ -62,6 +62,25 @@ config CRYPTO_SHA512_ARM
 	  SHA-512 secure hash standard (DFIPS 180-2) implemented
 	  using optimized ARM assembler and NEON, when available.
 
+config CRYPTO_BLAKE2S_ARM
+	tristate "BLAKE2s digest algorithm (ARM)"
+	select CRYPTO_ARCH_HAVE_LIB_BLAKE2S
+	help
+	  BLAKE2s digest algorithm optimized with ARM scalar instructions.  This
+	  is faster than the generic implementations of BLAKE2s and BLAKE2b, but
+	  slower than the NEON implementation of BLAKE2b.  (There is no NEON
+	  implementation of BLAKE2s, since NEON doesn't really help with it.)
+
+config CRYPTO_BLAKE2B_NEON
+	tristate "BLAKE2b digest algorithm (ARM NEON)"
+	depends on KERNEL_MODE_NEON
+	select CRYPTO_BLAKE2B
+	help
+	  BLAKE2b digest algorithm optimized with ARM NEON instructions.
+	  On ARM processors that have NEON support but not the ARMv8
+	  Crypto Extensions, typically this BLAKE2b implementation is
+	  much faster than SHA-2 and slightly faster than SHA-1.
+
 config CRYPTO_AES_ARM
 	tristate "Scalar AES cipher for ARM"
 	select CRYPTO_ALGAPI

arch/arm/crypto/Makefile

@@ -9,6 +9,8 @@ obj-$(CONFIG_CRYPTO_SHA1_ARM) += sha1-arm.o
 obj-$(CONFIG_CRYPTO_SHA1_ARM_NEON) += sha1-arm-neon.o
 obj-$(CONFIG_CRYPTO_SHA256_ARM) += sha256-arm.o
 obj-$(CONFIG_CRYPTO_SHA512_ARM) += sha512-arm.o
+obj-$(CONFIG_CRYPTO_BLAKE2S_ARM) += blake2s-arm.o
+obj-$(CONFIG_CRYPTO_BLAKE2B_NEON) += blake2b-neon.o
 obj-$(CONFIG_CRYPTO_CHACHA20_NEON) += chacha-neon.o
 obj-$(CONFIG_CRYPTO_NHPOLY1305_NEON) += nhpoly1305-neon.o
 
@@ -47,6 +49,8 @@ sha256-arm-neon-$(CONFIG_KERNEL_MODE_NEON) := sha256_neon_glue.o
 sha256-arm-y	:= sha256-core.o sha256_glue.o $(sha256-arm-neon-y)
 sha512-arm-neon-$(CONFIG_KERNEL_MODE_NEON) := sha512-neon-glue.o
 sha512-arm-y	:= sha512-core.o sha512-glue.o $(sha512-arm-neon-y)
+blake2s-arm-y   := blake2s-core.o blake2s-glue.o
+blake2b-neon-y  := blake2b-neon-core.o blake2b-neon-glue.o
 sha1-arm-ce-y	:= sha1-ce-core.o sha1-ce-glue.o
 sha2-arm-ce-y	:= sha2-ce-core.o sha2-ce-glue.o
 aes-arm-ce-y	:= aes-ce-core.o aes-ce-glue.o

arch/arm/crypto/blake2b-neon-core.S

@@ -0,0 +1,347 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * BLAKE2b digest algorithm, NEON accelerated
+ *
+ * Copyright 2020 Google LLC
+ *
+ * Author: Eric Biggers <ebiggers@google.com>
+ */
+
+#include <linux/linkage.h>
+
+	.text
+	.fpu		neon
+
+	// The arguments to blake2b_compress_neon()
+	STATE		.req	r0
+	BLOCK		.req	r1
+	NBLOCKS		.req	r2
+	INC		.req	r3
+
+	// Pointers to the rotation tables
+	ROR24_TABLE	.req	r4
+	ROR16_TABLE	.req	r5
+
+	// The original stack pointer
+	ORIG_SP		.req	r6
+
+	// NEON registers which contain the message words of the current block.
+	// M_0-M_3 are occasionally used for other purposes too.
+	M_0		.req	d16
+	M_1		.req	d17
+	M_2		.req	d18
+	M_3		.req	d19
+	M_4		.req	d20
+	M_5		.req	d21
+	M_6		.req	d22
+	M_7		.req	d23
+	M_8		.req	d24
+	M_9		.req	d25
+	M_10		.req	d26
+	M_11		.req	d27
+	M_12		.req	d28
+	M_13		.req	d29
+	M_14		.req	d30
+	M_15		.req	d31
+
+	.align		4
+	// Tables for computing ror64(x, 24) and ror64(x, 16) using the vtbl.8
+	// instruction.  This is the most efficient way to implement these
+	// rotation amounts with NEON.  (On Cortex-A53 it's the same speed as
+	// vshr.u64 + vsli.u64, while on Cortex-A7 it's faster.)
+.Lror24_table:
+	.byte		3, 4, 5, 6, 7, 0, 1, 2
+.Lror16_table:
+	.byte		2, 3, 4, 5, 6, 7, 0, 1
+	// The BLAKE2b initialization vector
+.Lblake2b_IV:
+	.quad		0x6a09e667f3bcc908, 0xbb67ae8584caa73b
+	.quad		0x3c6ef372fe94f82b, 0xa54ff53a5f1d36f1
+	.quad		0x510e527fade682d1, 0x9b05688c2b3e6c1f
+	.quad		0x1f83d9abfb41bd6b, 0x5be0cd19137e2179
+
+// Execute one round of BLAKE2b by updating the state matrix v[0..15] in the
+// NEON registers q0-q7.  The message block is in q8..q15 (M_0-M_15).  The stack
+// pointer points to a 32-byte aligned buffer containing a copy of q8 and q9
+// (M_0-M_3), so that they can be reloaded if they are used as temporary
+// registers.  The macro arguments s0-s15 give the order in which the message
+// words are used in this round.  'final' is 1 if this is the final round.
+.macro	_blake2b_round	s0, s1, s2, s3, s4, s5, s6, s7, \
+			s8, s9, s10, s11, s12, s13, s14, s15, final=0
+
+	// Mix the columns:
+	// (v[0], v[4], v[8], v[12]), (v[1], v[5], v[9], v[13]),
+	// (v[2], v[6], v[10], v[14]), and (v[3], v[7], v[11], v[15]).
+
+	// a += b + m[blake2b_sigma[r][2*i + 0]];
+	vadd.u64	q0, q0, q2
+	vadd.u64	q1, q1, q3
+	vadd.u64	d0, d0, M_\s0
+	vadd.u64	d1, d1, M_\s2
+	vadd.u64	d2, d2, M_\s4
+	vadd.u64	d3, d3, M_\s6
+
+	// d = ror64(d ^ a, 32);
+	veor		q6, q6, q0
+	veor		q7, q7, q1
+	vrev64.32	q6, q6
+	vrev64.32	q7, q7
+
+	// c += d;
+	vadd.u64	q4, q4, q6
+	vadd.u64	q5, q5, q7
+
+	// b = ror64(b ^ c, 24);
+	vld1.8		{M_0}, [ROR24_TABLE, :64]
+	veor		q2, q2, q4
+	veor		q3, q3, q5
+	vtbl.8		d4, {d4}, M_0
+	vtbl.8		d5, {d5}, M_0
+	vtbl.8		d6, {d6}, M_0
+	vtbl.8		d7, {d7}, M_0
+
+	// a += b + m[blake2b_sigma[r][2*i + 1]];
+	//
+	// M_0 got clobbered above, so we have to reload it if any of the four
+	// message words this step needs happens to be M_0.  Otherwise we don't
+	// need to reload it here, as it will just get clobbered again below.
+.if \s1 == 0 || \s3 == 0 || \s5 == 0 || \s7 == 0
+	vld1.8		{M_0}, [sp, :64]
+.endif
+	vadd.u64	q0, q0, q2
+	vadd.u64	q1, q1, q3
+	vadd.u64	d0, d0, M_\s1
+	vadd.u64	d1, d1, M_\s3
+	vadd.u64	d2, d2, M_\s5
+	vadd.u64	d3, d3, M_\s7
+
+	// d = ror64(d ^ a, 16);
+	vld1.8		{M_0}, [ROR16_TABLE, :64]
+	veor		q6, q6, q0
+	veor		q7, q7, q1
+	vtbl.8		d12, {d12}, M_0
+	vtbl.8		d13, {d13}, M_0
+	vtbl.8		d14, {d14}, M_0
+	vtbl.8		d15, {d15}, M_0
+
+	// c += d;
+	vadd.u64	q4, q4, q6
+	vadd.u64	q5, q5, q7
+
+	// b = ror64(b ^ c, 63);
+	//
+	// This rotation amount isn't a multiple of 8, so it has to be
+	// implemented using a pair of shifts, which requires temporary
+	// registers.  Use q8-q9 (M_0-M_3) for this, and reload them afterwards.
+	veor		q8, q2, q4
+	veor		q9, q3, q5
+	vshr.u64	q2, q8, #63
+	vshr.u64	q3, q9, #63
+	vsli.u64	q2, q8, #1
+	vsli.u64	q3, q9, #1
+	vld1.8		{q8-q9}, [sp, :256]
+
+	// Mix the diagonals:
+	// (v[0], v[5], v[10], v[15]), (v[1], v[6], v[11], v[12]),
+	// (v[2], v[7], v[8], v[13]), and (v[3], v[4], v[9], v[14]).
+	//
+	// There are two possible ways to do this: use 'vext' instructions to
+	// shift the rows of the matrix so that the diagonals become columns,
+	// and undo it afterwards; or just use 64-bit operations on 'd'
+	// registers instead of 128-bit operations on 'q' registers.  We use the
+	// latter approach, as it performs much better on Cortex-A7.
+
+	// a += b + m[blake2b_sigma[r][2*i + 0]];
+	vadd.u64	d0, d0, d5
+	vadd.u64	d1, d1, d6
+	vadd.u64	d2, d2, d7
+	vadd.u64	d3, d3, d4
+	vadd.u64	d0, d0, M_\s8
+	vadd.u64	d1, d1, M_\s10
+	vadd.u64	d2, d2, M_\s12
+	vadd.u64	d3, d3, M_\s14
+
+	// d = ror64(d ^ a, 32);
+	veor		d15, d15, d0
+	veor		d12, d12, d1
+	veor		d13, d13, d2
+	veor		d14, d14, d3
+	vrev64.32	d15, d15
+	vrev64.32	d12, d12
+	vrev64.32	d13, d13
+	vrev64.32	d14, d14
+
+	// c += d;
+	vadd.u64	d10, d10, d15
+	vadd.u64	d11, d11, d12
+	vadd.u64	d8, d8, d13
+	vadd.u64	d9, d9, d14
+
+	// b = ror64(b ^ c, 24);
+	vld1.8		{M_0}, [ROR24_TABLE, :64]
+	veor		d5, d5, d10
+	veor		d6, d6, d11
+	veor		d7, d7, d8
+	veor		d4, d4, d9
+	vtbl.8		d5, {d5}, M_0
+	vtbl.8		d6, {d6}, M_0
+	vtbl.8		d7, {d7}, M_0
+	vtbl.8		d4, {d4}, M_0
+
+	// a += b + m[blake2b_sigma[r][2*i + 1]];
+.if \s9 == 0 || \s11 == 0 || \s13 == 0 || \s15 == 0
+	vld1.8		{M_0}, [sp, :64]
+.endif
+	vadd.u64	d0, d0, d5
+	vadd.u64	d1, d1, d6
+	vadd.u64	d2, d2, d7
+	vadd.u64	d3, d3, d4
+	vadd.u64	d0, d0, M_\s9
+	vadd.u64	d1, d1, M_\s11
+	vadd.u64	d2, d2, M_\s13
+	vadd.u64	d3, d3, M_\s15
+
+	// d = ror64(d ^ a, 16);
+	vld1.8		{M_0}, [ROR16_TABLE, :64]
+	veor		d15, d15, d0
+	veor		d12, d12, d1
+	veor		d13, d13, d2
+	veor		d14, d14, d3
+	vtbl.8		d12, {d12}, M_0
+	vtbl.8		d13, {d13}, M_0
+	vtbl.8		d14, {d14}, M_0
+	vtbl.8		d15, {d15}, M_0
+
+	// c += d;
+	vadd.u64	d10, d10, d15
+	vadd.u64	d11, d11, d12
+	vadd.u64	d8, d8, d13
+	vadd.u64	d9, d9, d14
+
+	// b = ror64(b ^ c, 63);
+	veor		d16, d4, d9
+	veor		d17, d5, d10
+	veor		d18, d6, d11
+	veor		d19, d7, d8
+	vshr.u64	q2, q8, #63
+	vshr.u64	q3, q9, #63
+	vsli.u64	q2, q8, #1
+	vsli.u64	q3, q9, #1
+	// Reloading q8-q9 can be skipped on the final round.
+.if ! \final
+	vld1.8		{q8-q9}, [sp, :256]
+.endif
+.endm
+
+//
+// void blake2b_compress_neon(struct blake2b_state *state,
+//			      const u8 *block, size_t nblocks, u32 inc);
+//
+// Only the first three fields of struct blake2b_state are used:
+//	u64 h[8];	(inout)
+//	u64 t[2];	(inout)
+//	u64 f[2];	(in)
+//
+	.align		5
+ENTRY(blake2b_compress_neon)
+	push		{r4-r10}
+
+	// Allocate a 32-byte stack buffer that is 32-byte aligned.
+	mov		ORIG_SP, sp
+	sub		ip, sp, #32
+	bic		ip, ip, #31
+	mov		sp, ip
+
+	adr		ROR24_TABLE, .Lror24_table
+	adr		ROR16_TABLE, .Lror16_table
+
+	mov		ip, STATE
+	vld1.64		{q0-q1}, [ip]!		// Load h[0..3]
+	vld1.64		{q2-q3}, [ip]!		// Load h[4..7]
+.Lnext_block:
+	  adr		r10, .Lblake2b_IV
+	vld1.64		{q14-q15}, [ip]		// Load t[0..1] and f[0..1]
+	vld1.64		{q4-q5}, [r10]!		// Load IV[0..3]
+	  vmov		r7, r8, d28		// Copy t[0] to (r7, r8)
+	vld1.64		{q6-q7}, [r10]		// Load IV[4..7]
+	  adds		r7, r7, INC		// Increment counter
+	bcs		.Lslow_inc_ctr
+	vmov.i32	d28[0], r7
+	vst1.64		{d28}, [ip]		// Update t[0]
+.Linc_ctr_done:
+
+	// Load the next message block and finish initializing the state matrix
+	// 'v'.  Fortunately, there are exactly enough NEON registers to fit the
+	// entire state matrix in q0-q7 and the entire message block in q8-15.
+	//
+	// However, _blake2b_round also needs some extra registers for rotates,
+	// so we have to spill some registers.  It's better to spill the message
+	// registers than the state registers, as the message doesn't change.
+	// Therefore we store a copy of the first 32 bytes of the message block
+	// (q8-q9) in an aligned buffer on the stack so that they can be
+	// reloaded when needed.  (We could just reload directly from the
+	// message buffer, but it's faster to use aligned loads.)
+	vld1.8		{q8-q9}, [BLOCK]!
+	  veor		q6, q6, q14	// v[12..13] = IV[4..5] ^ t[0..1]
+	vld1.8		{q10-q11}, [BLOCK]!
+	  veor		q7, q7, q15	// v[14..15] = IV[6..7] ^ f[0..1]
+	vld1.8		{q12-q13}, [BLOCK]!
+	vst1.8		{q8-q9}, [sp, :256]
+	  mov		ip, STATE
+	vld1.8		{q14-q15}, [BLOCK]!
+
+	// Execute the rounds.  Each round is provided the order in which it
+	// needs to use the message words.
+	_blake2b_round	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
+	_blake2b_round	14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3
+	_blake2b_round	11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4
+	_blake2b_round	7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8
+	_blake2b_round	9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13
+	_blake2b_round	2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9
+	_blake2b_round	12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11
+	_blake2b_round	13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10
+	_blake2b_round	6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5
+	_blake2b_round	10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0
+	_blake2b_round	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
+	_blake2b_round	14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 \
+			final=1
+
+	// Fold the final state matrix into the hash chaining value:
+	//
+	//	for (i = 0; i < 8; i++)
+	//		h[i] ^= v[i] ^ v[i + 8];
+	//
+	  vld1.64	{q8-q9}, [ip]!		// Load old h[0..3]
+	veor		q0, q0, q4		// v[0..1] ^= v[8..9]
+	veor		q1, q1, q5		// v[2..3] ^= v[10..11]
+	  vld1.64	{q10-q11}, [ip]		// Load old h[4..7]
+	veor		q2, q2, q6		// v[4..5] ^= v[12..13]
+	veor		q3, q3, q7		// v[6..7] ^= v[14..15]
+	veor		q0, q0, q8		// v[0..1] ^= h[0..1]
+	veor		q1, q1, q9		// v[2..3] ^= h[2..3]
+	  mov		ip, STATE
+	  subs		NBLOCKS, NBLOCKS, #1	// nblocks--
+	  vst1.64	{q0-q1}, [ip]!		// Store new h[0..3]
+	veor		q2, q2, q10		// v[4..5] ^= h[4..5]
+	veor		q3, q3, q11		// v[6..7] ^= h[6..7]
+	  vst1.64	{q2-q3}, [ip]!		// Store new h[4..7]
+
+	// Advance to the next block, if there is one.
+	bne		.Lnext_block		// nblocks != 0?
+
+	mov		sp, ORIG_SP
+	pop		{r4-r10}
+	mov		pc, lr
+
+.Lslow_inc_ctr:
+	// Handle the case where the counter overflowed its low 32 bits, by
+	// carrying the overflow bit into the full 128-bit counter.
+	vmov		r9, r10, d29
+	adcs		r8, r8, #0
+	adcs		r9, r9, #0
+	adc		r10, r10, #0
+	vmov		d28, r7, r8
+	vmov		d29, r9, r10
+	vst1.64		{q14}, [ip]		// Update t[0] and t[1]
+	b		.Linc_ctr_done
+ENDPROC(blake2b_compress_neon)

arch/arm/crypto/blake2b-neon-glue.c

@@ -0,0 +1,105 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * BLAKE2b digest algorithm, NEON accelerated
+ *
+ * Copyright 2020 Google LLC
+ */
+
+#include <crypto/internal/blake2b.h>
+#include <crypto/internal/hash.h>
+#include <crypto/internal/simd.h>
+
+#include <linux/module.h>
+#include <linux/sizes.h>
+
+#include <asm/neon.h>
+#include <asm/simd.h>
+
+asmlinkage void blake2b_compress_neon(struct blake2b_state *state,
+				      const u8 *block, size_t nblocks, u32 inc);
+
+static void blake2b_compress_arch(struct blake2b_state *state,
+				  const u8 *block, size_t nblocks, u32 inc)
+{
+	if (!crypto_simd_usable()) {
+		blake2b_compress_generic(state, block, nblocks, inc);
+		return;
+	}
+
+	do {
+		const size_t blocks = min_t(size_t, nblocks,
+					    SZ_4K / BLAKE2B_BLOCK_SIZE);
+
+		kernel_neon_begin();
+		blake2b_compress_neon(state, block, blocks, inc);
+		kernel_neon_end();
+
+		nblocks -= blocks;
+		block += blocks * BLAKE2B_BLOCK_SIZE;
+	} while (nblocks);
+}
+
+static int crypto_blake2b_update_neon(struct shash_desc *desc,
+				      const u8 *in, unsigned int inlen)
+{
+	return crypto_blake2b_update(desc, in, inlen, blake2b_compress_arch);
+}
+
+static int crypto_blake2b_final_neon(struct shash_desc *desc, u8 *out)
+{
+	return crypto_blake2b_final(desc, out, blake2b_compress_arch);
+}
+
+#define BLAKE2B_ALG(name, driver_name, digest_size)			\
+	{								\
+		.base.cra_name		= name,				\
+		.base.cra_driver_name	= driver_name,			\
+		.base.cra_priority	= 200,				\
+		.base.cra_flags		= CRYPTO_ALG_OPTIONAL_KEY,	\
+		.base.cra_blocksize	= BLAKE2B_BLOCK_SIZE,		\
+		.base.cra_ctxsize	= sizeof(struct blake2b_tfm_ctx), \
+		.base.cra_module	= THIS_MODULE,			\
+		.digestsize		= digest_size,			\
+		.setkey			= crypto_blake2b_setkey,	\
+		.init			= crypto_blake2b_init,		\
+		.update			= crypto_blake2b_update_neon,	\
+		.final			= crypto_blake2b_final_neon,	\
+		.descsize		= sizeof(struct blake2b_state),	\
+	}
+
+static struct shash_alg blake2b_neon_algs[] = {
+	BLAKE2B_ALG("blake2b-160", "blake2b-160-neon", BLAKE2B_160_HASH_SIZE),
+	BLAKE2B_ALG("blake2b-256", "blake2b-256-neon", BLAKE2B_256_HASH_SIZE),
+	BLAKE2B_ALG("blake2b-384", "blake2b-384-neon", BLAKE2B_384_HASH_SIZE),
+	BLAKE2B_ALG("blake2b-512", "blake2b-512-neon", BLAKE2B_512_HASH_SIZE),
+};
+
+static int __init blake2b_neon_mod_init(void)
+{
+	if (!(elf_hwcap & HWCAP_NEON))
+		return -ENODEV;
+
+	return crypto_register_shashes(blake2b_neon_algs,
+				       ARRAY_SIZE(blake2b_neon_algs));
+}
+
+static void __exit blake2b_neon_mod_exit(void)
+{
+	crypto_unregister_shashes(blake2b_neon_algs,
+				  ARRAY_SIZE(blake2b_neon_algs));
+}
+
+module_init(blake2b_neon_mod_init);
+module_exit(blake2b_neon_mod_exit);
+
+MODULE_DESCRIPTION("BLAKE2b digest algorithm, NEON accelerated");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Eric Biggers <ebiggers@google.com>");
+MODULE_ALIAS_CRYPTO("blake2b-160");
+MODULE_ALIAS_CRYPTO("blake2b-160-neon");
+MODULE_ALIAS_CRYPTO("blake2b-256");
+MODULE_ALIAS_CRYPTO("blake2b-256-neon");
+MODULE_ALIAS_CRYPTO("blake2b-384");
+MODULE_ALIAS_CRYPTO("blake2b-384-neon");
+MODULE_ALIAS_CRYPTO("blake2b-512");
+MODULE_ALIAS_CRYPTO("blake2b-512-neon");

arch/arm/crypto/blake2s-core.S

@@ -0,0 +1,306 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * BLAKE2s digest algorithm, ARM scalar implementation
+ *
+ * Copyright 2020 Google LLC
+ *
+ * Author: Eric Biggers <ebiggers@google.com>
+ */
+
+#include <linux/linkage.h>
+#include <asm/assembler.h>
+
+	// Registers used to hold message words temporarily.  There aren't
+	// enough ARM registers to hold the whole message block, so we have to
+	// load the words on-demand.
+	M_0		.req	r12
+	M_1		.req	r14
+
+// The BLAKE2s initialization vector
+.Lblake2s_IV:
+	.word	0x6A09E667, 0xBB67AE85, 0x3C6EF372, 0xA54FF53A
+	.word	0x510E527F, 0x9B05688C, 0x1F83D9AB, 0x5BE0CD19
+
+.macro __ldrd		a, b, src, offset
+#if __LINUX_ARM_ARCH__ >= 6
+	ldrd		\a, \b, [\src, #\offset]
+#else
+	ldr		\a, [\src, #\offset]
+	ldr		\b, [\src, #\offset + 4]
+#endif
+.endm
+
+.macro __strd		a, b, dst, offset
+#if __LINUX_ARM_ARCH__ >= 6
+	strd		\a, \b, [\dst, #\offset]
+#else
+	str		\a, [\dst, #\offset]
+	str		\b, [\dst, #\offset + 4]
+#endif
+.endm
+
+.macro _le32_bswap	a, tmp
+#ifdef __ARMEB__
+	rev_l		\a, \tmp
+#endif
+.endm
+
+.macro _le32_bswap_8x	a, b, c, d, e, f, g, h,  tmp
+	_le32_bswap	\a, \tmp
+	_le32_bswap	\b, \tmp
+	_le32_bswap	\c, \tmp
+	_le32_bswap	\d, \tmp
+	_le32_bswap	\e, \tmp
+	_le32_bswap	\f, \tmp
+	_le32_bswap	\g, \tmp
+	_le32_bswap	\h, \tmp
+.endm
+
+// Execute a quarter-round of BLAKE2s by mixing two columns or two diagonals.
+// (a0, b0, c0, d0) and (a1, b1, c1, d1) give the registers containing the two
+// columns/diagonals.  s0-s1 are the word offsets to the message words the first
+// column/diagonal needs, and likewise s2-s3 for the second column/diagonal.
+// M_0 and M_1 are free to use, and the message block can be found at sp + 32.
+//
+// Note that to save instructions, the rotations don't happen when the
+// pseudocode says they should, but rather they are delayed until the values are
+// used.  See the comment above _blake2s_round().
+.macro _blake2s_quarterround  a0, b0, c0, d0,  a1, b1, c1, d1,  s0, s1, s2, s3
+
+	ldr		M_0, [sp, #32 + 4 * \s0]
+	ldr		M_1, [sp, #32 + 4 * \s2]
+
+	// a += b + m[blake2s_sigma[r][2*i + 0]];
+	add		\a0, \a0, \b0, ror #brot
+	add		\a1, \a1, \b1, ror #brot
+	add		\a0, \a0, M_0
+	add		\a1, \a1, M_1
+
+	// d = ror32(d ^ a, 16);
+	eor		\d0, \a0, \d0, ror #drot
+	eor		\d1, \a1, \d1, ror #drot
+
+	// c += d;
+	add		\c0, \c0, \d0, ror #16
+	add		\c1, \c1, \d1, ror #16
+
+	// b = ror32(b ^ c, 12);
+	eor		\b0, \c0, \b0, ror #brot
+	eor		\b1, \c1, \b1, ror #brot
+
+	ldr		M_0, [sp, #32 + 4 * \s1]
+	ldr		M_1, [sp, #32 + 4 * \s3]
+
+	// a += b + m[blake2s_sigma[r][2*i + 1]];
+	add		\a0, \a0, \b0, ror #12
+	add		\a1, \a1, \b1, ror #12
+	add		\a0, \a0, M_0
+	add		\a1, \a1, M_1
+
+	// d = ror32(d ^ a, 8);
+	eor		\d0, \a0, \d0, ror#16
+	eor		\d1, \a1, \d1, ror#16
+
+	// c += d;
+	add		\c0, \c0, \d0, ror#8
+	add		\c1, \c1, \d1, ror#8
+
+	// b = ror32(b ^ c, 7);
+	eor		\b0, \c0, \b0, ror#12
+	eor		\b1, \c1, \b1, ror#12
+.endm
+
+// Execute one round of BLAKE2s by updating the state matrix v[0..15].  v[0..9]
+// are in r0..r9.  The stack pointer points to 8 bytes of scratch space for
+// spilling v[8..9], then to v[9..15], then to the message block.  r10-r12 and
+// r14 are free to use.  The macro arguments s0-s15 give the order in which the
+// message words are used in this round.
+//
+// All rotates are performed using the implicit rotate operand accepted by the
+// 'add' and 'eor' instructions.  This is faster than using explicit rotate
+// instructions.  To make this work, we allow the values in the second and last
+// rows of the BLAKE2s state matrix (rows 'b' and 'd') to temporarily have the
+// wrong rotation amount.  The rotation amount is then fixed up just in time
+// when the values are used.  'brot' is the number of bits the values in row 'b'
+// need to be rotated right to arrive at the correct values, and 'drot'
+// similarly for row 'd'.  (brot, drot) start out as (0, 0) but we make it such
+// that they end up as (7, 8) after every round.
+.macro	_blake2s_round	s0, s1, s2, s3, s4, s5, s6, s7, \
+			s8, s9, s10, s11, s12, s13, s14, s15
+
+	// Mix first two columns:
+	// (v[0], v[4], v[8], v[12]) and (v[1], v[5], v[9], v[13]).
+	__ldrd		r10, r11, sp, 16	// load v[12] and v[13]
+	_blake2s_quarterround	r0, r4, r8, r10,  r1, r5, r9, r11, \
+				\s0, \s1, \s2, \s3
+	__strd		r8, r9, sp, 0
+	__strd		r10, r11, sp, 16
+
+	// Mix second two columns:
+	// (v[2], v[6], v[10], v[14]) and (v[3], v[7], v[11], v[15]).
+	__ldrd		r8, r9, sp, 8		// load v[10] and v[11]
+	__ldrd		r10, r11, sp, 24	// load v[14] and v[15]
+	_blake2s_quarterround	r2, r6, r8, r10,  r3, r7, r9, r11, \
+				\s4, \s5, \s6, \s7
+	str		r10, [sp, #24]		// store v[14]
+	// v[10], v[11], and v[15] are used below, so no need to store them yet.
+
+	.set brot, 7
+	.set drot, 8
+
+	// Mix first two diagonals:
+	// (v[0], v[5], v[10], v[15]) and (v[1], v[6], v[11], v[12]).
+	ldr		r10, [sp, #16]		// load v[12]
+	_blake2s_quarterround	r0, r5, r8, r11,  r1, r6, r9, r10, \
+				\s8, \s9, \s10, \s11
+	__strd		r8, r9, sp, 8
+	str		r11, [sp, #28]
+	str		r10, [sp, #16]
+
+	// Mix second two diagonals:
+	// (v[2], v[7], v[8], v[13]) and (v[3], v[4], v[9], v[14]).
+	__ldrd		r8, r9, sp, 0		// load v[8] and v[9]
+	__ldrd		r10, r11, sp, 20	// load v[13] and v[14]
+	_blake2s_quarterround	r2, r7, r8, r10,  r3, r4, r9, r11, \
+				\s12, \s13, \s14, \s15
+	__strd		r10, r11, sp, 20
+.endm
+
+//
+// void blake2s_compress_arch(struct blake2s_state *state,
+//			      const u8 *block, size_t nblocks, u32 inc);
+//
+// Only the first three fields of struct blake2s_state are used:
+//	u32 h[8];	(inout)
+//	u32 t[2];	(inout)
+//	u32 f[2];	(in)
+//
+	.align		5
+ENTRY(blake2s_compress_arch)
+	push		{r0-r2,r4-r11,lr}	// keep this an even number
+
+.Lnext_block:
+	// r0 is 'state'
+	// r1 is 'block'
+	// r3 is 'inc'
+
+	// Load and increment the counter t[0..1].
+	__ldrd		r10, r11, r0, 32
+	adds		r10, r10, r3
+	adc		r11, r11, #0
+	__strd		r10, r11, r0, 32
+
+	// _blake2s_round is very short on registers, so copy the message block
+	// to the stack to save a register during the rounds.  This also has the
+	// advantage that misalignment only needs to be dealt with in one place.
+	sub		sp, sp, #64
+	mov		r12, sp
+	tst		r1, #3
+	bne		.Lcopy_block_misaligned
+	ldmia		r1!, {r2-r9}
+	_le32_bswap_8x	r2, r3, r4, r5, r6, r7, r8, r9,  r14
+	stmia		r12!, {r2-r9}
+	ldmia		r1!, {r2-r9}
+	_le32_bswap_8x	r2, r3, r4, r5, r6, r7, r8, r9,  r14
+	stmia		r12, {r2-r9}
+.Lcopy_block_done:
+	str		r1, [sp, #68]		// Update message pointer
+
+	// Calculate v[8..15].  Push v[9..15] onto the stack, and leave space
+	// for spilling v[8..9].  Leave v[8..9] in r8-r9.
+	mov		r14, r0			// r14 = state
+	adr		r12, .Lblake2s_IV
+	ldmia		r12!, {r8-r9}		// load IV[0..1]
+	__ldrd		r0, r1, r14, 40		// load f[0..1]
+	ldm		r12, {r2-r7}		// load IV[3..7]
+	eor		r4, r4, r10		// v[12] = IV[4] ^ t[0]
+	eor		r5, r5, r11		// v[13] = IV[5] ^ t[1]
+	eor		r6, r6, r0		// v[14] = IV[6] ^ f[0]
+	eor		r7, r7, r1		// v[15] = IV[7] ^ f[1]
+	push		{r2-r7}			// push v[9..15]
+	sub		sp, sp, #8		// leave space for v[8..9]
+
+	// Load h[0..7] == v[0..7].
+	ldm		r14, {r0-r7}
+
+	// Execute the rounds.  Each round is provided the order in which it
+	// needs to use the message words.
+	.set brot, 0
+	.set drot, 0
+	_blake2s_round	0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
+	_blake2s_round	14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3
+	_blake2s_round	11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4
+	_blake2s_round	7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8
+	_blake2s_round	9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13
+	_blake2s_round	2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9
+	_blake2s_round	12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11
+	_blake2s_round	13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10
+	_blake2s_round	6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5
+	_blake2s_round	10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0
+
+	// Fold the final state matrix into the hash chaining value:
+	//
+	//	for (i = 0; i < 8; i++)
+	//		h[i] ^= v[i] ^ v[i + 8];
+	//
+	ldr		r14, [sp, #96]		// r14 = &h[0]
+	add		sp, sp, #8		// v[8..9] are already loaded.
+	pop		{r10-r11}		// load v[10..11]
+	eor		r0, r0, r8
+	eor		r1, r1, r9
+	eor		r2, r2, r10
+	eor		r3, r3, r11
+	ldm		r14, {r8-r11}		// load h[0..3]
+	eor		r0, r0, r8
+	eor		r1, r1, r9
+	eor		r2, r2, r10
+	eor		r3, r3, r11
+	stmia		r14!, {r0-r3}		// store new h[0..3]
+	ldm		r14, {r0-r3}		// load old h[4..7]
+	pop		{r8-r11}		// load v[12..15]
+	eor		r0, r0, r4, ror #brot
+	eor		r1, r1, r5, ror #brot
+	eor		r2, r2, r6, ror #brot
+	eor		r3, r3, r7, ror #brot
+	eor		r0, r0, r8, ror #drot
+	eor		r1, r1, r9, ror #drot
+	eor		r2, r2, r10, ror #drot
+	eor		r3, r3, r11, ror #drot
+	  add		sp, sp, #64		// skip copy of message block
+	stm		r14, {r0-r3}		// store new h[4..7]
+
+	// Advance to the next block, if there is one.  Note that if there are
+	// multiple blocks, then 'inc' (the counter increment amount) must be
+	// 64.  So we can simply set it to 64 without re-loading it.
+	ldm		sp, {r0, r1, r2}	// load (state, block, nblocks)
+	mov		r3, #64			// set 'inc'
+	subs		r2, r2, #1		// nblocks--
+	str		r2, [sp, #8]
+	bne		.Lnext_block		// nblocks != 0?
+
+	pop		{r0-r2,r4-r11,pc}
+
+	// The next message block (pointed to by r1) isn't 4-byte aligned, so it
+	// can't be loaded using ldmia.  Copy it to the stack buffer (pointed to
+	// by r12) using an alternative method.  r2-r9 are free to use.
+.Lcopy_block_misaligned:
+	mov		r2, #64
+1:
+#ifdef CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS
+	ldr		r3, [r1], #4
+	_le32_bswap	r3, r4
+#else
+	ldrb		r3, [r1, #0]
+	ldrb		r4, [r1, #1]
+	ldrb		r5, [r1, #2]
+	ldrb		r6, [r1, #3]
+	add		r1, r1, #4
+	orr		r3, r3, r4, lsl #8
+	orr		r3, r3, r5, lsl #16
+	orr		r3, r3, r6, lsl #24
+#endif
+	subs		r2, r2, #4
+	str		r3, [r12], #4
+	bne		1b
+	b		.Lcopy_block_done
+ENDPROC(blake2s_compress_arch)

arch/arm/crypto/blake2s-glue.c

@@ -0,0 +1,78 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * BLAKE2s digest algorithm, ARM scalar implementation
+ *
+ * Copyright 2020 Google LLC
+ */
+
+#include <crypto/internal/blake2s.h>
+#include <crypto/internal/hash.h>
+
+#include <linux/module.h>
+
+/* defined in blake2s-core.S */
+EXPORT_SYMBOL(blake2s_compress_arch);
+
+static int crypto_blake2s_update_arm(struct shash_desc *desc,
+				     const u8 *in, unsigned int inlen)
+{
+	return crypto_blake2s_update(desc, in, inlen, blake2s_compress_arch);
+}
+
+static int crypto_blake2s_final_arm(struct shash_desc *desc, u8 *out)
+{
+	return crypto_blake2s_final(desc, out, blake2s_compress_arch);
+}
+
+#define BLAKE2S_ALG(name, driver_name, digest_size)			\
+	{								\
+		.base.cra_name		= name,				\
+		.base.cra_driver_name	= driver_name,			\
+		.base.cra_priority	= 200,				\
+		.base.cra_flags		= CRYPTO_ALG_OPTIONAL_KEY,	\
+		.base.cra_blocksize	= BLAKE2S_BLOCK_SIZE,		\
+		.base.cra_ctxsize	= sizeof(struct blake2s_tfm_ctx), \
+		.base.cra_module	= THIS_MODULE,			\
+		.digestsize		= digest_size,			\
+		.setkey			= crypto_blake2s_setkey,	\
+		.init			= crypto_blake2s_init,		\
+		.update			= crypto_blake2s_update_arm,	\
+		.final			= crypto_blake2s_final_arm,	\
+		.descsize		= sizeof(struct blake2s_state),	\
+	}
+
+static struct shash_alg blake2s_arm_algs[] = {
+	BLAKE2S_ALG("blake2s-128", "blake2s-128-arm", BLAKE2S_128_HASH_SIZE),
+	BLAKE2S_ALG("blake2s-160", "blake2s-160-arm", BLAKE2S_160_HASH_SIZE),
+	BLAKE2S_ALG("blake2s-224", "blake2s-224-arm", BLAKE2S_224_HASH_SIZE),
+	BLAKE2S_ALG("blake2s-256", "blake2s-256-arm", BLAKE2S_256_HASH_SIZE),
+};
+
+static int __init blake2s_arm_mod_init(void)
+{
+	return IS_REACHABLE(CONFIG_CRYPTO_HASH) ?
+		crypto_register_shashes(blake2s_arm_algs,
+					ARRAY_SIZE(blake2s_arm_algs)) : 0;
+}
+
+static void __exit blake2s_arm_mod_exit(void)
+{
+	if (IS_REACHABLE(CONFIG_CRYPTO_HASH))
+		crypto_unregister_shashes(blake2s_arm_algs,
+					  ARRAY_SIZE(blake2s_arm_algs));
+}
+
+module_init(blake2s_arm_mod_init);
+module_exit(blake2s_arm_mod_exit);
+
+MODULE_DESCRIPTION("BLAKE2s digest algorithm, ARM scalar implementation");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Eric Biggers <ebiggers@google.com>");
+MODULE_ALIAS_CRYPTO("blake2s-128");
+MODULE_ALIAS_CRYPTO("blake2s-128-arm");
+MODULE_ALIAS_CRYPTO("blake2s-160");
+MODULE_ALIAS_CRYPTO("blake2s-160-arm");
+MODULE_ALIAS_CRYPTO("blake2s-224");
+MODULE_ALIAS_CRYPTO("blake2s-224-arm");
+MODULE_ALIAS_CRYPTO("blake2s-256");
+MODULE_ALIAS_CRYPTO("blake2s-256-arm");

arch/arm64/configs/gki_defconfig

@@ -558,7 +558,10 @@ CONFIG_STATIC_USERMODEHELPER_PATH=""
 CONFIG_SECURITY_SELINUX=y
 CONFIG_INIT_STACK_ALL_ZERO=y
 CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y
+CONFIG_CRYPTO_CHACHA20POLY1305=y
 CONFIG_CRYPTO_ADIANTUM=y
+CONFIG_CRYPTO_XCBC=y
+CONFIG_CRYPTO_BLAKE2B=y
 CONFIG_CRYPTO_LZ4=y
 CONFIG_CRYPTO_ZSTD=y
 CONFIG_CRYPTO_ANSI_CPRNG=y

arch/x86/configs/gki_defconfig

@@ -486,7 +486,10 @@ CONFIG_STATIC_USERMODEHELPER_PATH=""
 CONFIG_SECURITY_SELINUX=y
 CONFIG_INIT_STACK_ALL_ZERO=y
 CONFIG_INIT_ON_ALLOC_DEFAULT_ON=y
+CONFIG_CRYPTO_CHACHA20POLY1305=y
 CONFIG_CRYPTO_ADIANTUM=y
+CONFIG_CRYPTO_XCBC=y
+CONFIG_CRYPTO_BLAKE2B=y
 CONFIG_CRYPTO_SHA256_SSSE3=y
 CONFIG_CRYPTO_AES_NI_INTEL=y
 CONFIG_CRYPTO_LZ4=y

arch/x86/crypto/Makefile

@@ -48,6 +48,7 @@ ifeq ($(avx_supported),yes)
 	obj-$(CONFIG_CRYPTO_CAST6_AVX_X86_64) += cast6-avx-x86_64.o
 	obj-$(CONFIG_CRYPTO_TWOFISH_AVX_X86_64) += twofish-avx-x86_64.o
 	obj-$(CONFIG_CRYPTO_SERPENT_AVX_X86_64) += serpent-avx-x86_64.o
+	obj-$(CONFIG_CRYPTO_BLAKE2S_X86) += blake2s-x86_64.o
 endif
 
 # These modules require assembler to support AVX2.
@@ -70,6 +71,7 @@ serpent-sse2-x86_64-y := serpent-sse2-x86_64-asm_64.o serpent_sse2_glue.o
 aegis128-aesni-y := aegis128-aesni-asm.o aegis128-aesni-glue.o
 
 nhpoly1305-sse2-y := nh-sse2-x86_64.o nhpoly1305-sse2-glue.o
+blake2s-x86_64-y := blake2s-core.o blake2s-glue.o
 
 ifeq ($(avx_supported),yes)
 	camellia-aesni-avx-x86_64-y := camellia-aesni-avx-asm_64.o \

arch/x86/crypto/blake2s-core.S

@@ -0,0 +1,258 @@
+/* SPDX-License-Identifier: GPL-2.0 OR MIT */
+/*
+ * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ * Copyright (C) 2017-2019 Samuel Neves <sneves@dei.uc.pt>. All Rights Reserved.
+ */
+
+#include <linux/linkage.h>
+
+.section .rodata.cst32.BLAKE2S_IV, "aM", @progbits, 32
+.align 32
+IV:	.octa 0xA54FF53A3C6EF372BB67AE856A09E667
+	.octa 0x5BE0CD191F83D9AB9B05688C510E527F
+.section .rodata.cst16.ROT16, "aM", @progbits, 16
+.align 16
+ROT16:	.octa 0x0D0C0F0E09080B0A0504070601000302
+.section .rodata.cst16.ROR328, "aM", @progbits, 16
+.align 16
+ROR328:	.octa 0x0C0F0E0D080B0A090407060500030201
+.section .rodata.cst64.BLAKE2S_SIGMA, "aM", @progbits, 160
+.align 64
+SIGMA:
+.byte  0,  2,  4,  6,  1,  3,  5,  7, 14,  8, 10, 12, 15,  9, 11, 13
+.byte 14,  4,  9, 13, 10,  8, 15,  6,  5,  1,  0, 11,  3, 12,  2,  7
+.byte 11, 12,  5, 15,  8,  0,  2, 13,  9, 10,  3,  7,  4, 14,  6,  1
+.byte  7,  3, 13, 11,  9,  1, 12, 14, 15,  2,  5,  4,  8,  6, 10,  0
+.byte  9,  5,  2, 10,  0,  7,  4, 15,  3, 14, 11,  6, 13,  1, 12,  8
+.byte  2,  6,  0,  8, 12, 10, 11,  3,  1,  4,  7, 15,  9, 13,  5, 14
+.byte 12,  1, 14,  4,  5, 15, 13, 10,  8,  0,  6,  9, 11,  7,  3,  2
+.byte 13,  7, 12,  3, 11, 14,  1,  9,  2,  5, 15,  8, 10,  0,  4,  6
+.byte  6, 14, 11,  0, 15,  9,  3,  8, 10, 12, 13,  1,  5,  2,  7,  4
+.byte 10,  8,  7,  1,  2,  4,  6,  5, 13, 15,  9,  3,  0, 11, 14, 12
+#ifdef CONFIG_AS_AVX512
+.section .rodata.cst64.BLAKE2S_SIGMA2, "aM", @progbits, 640
+.align 64
+SIGMA2:
+.long  0,  2,  4,  6,  1,  3,  5,  7, 14,  8, 10, 12, 15,  9, 11, 13
+.long  8,  2, 13, 15, 10,  9, 12,  3,  6,  4,  0, 14,  5, 11,  1,  7
+.long 11, 13,  8,  6,  5, 10, 14,  3,  2,  4, 12, 15,  1,  0,  7,  9
+.long 11, 10,  7,  0,  8, 15,  1, 13,  3,  6,  2, 12,  4, 14,  9,  5
+.long  4, 10,  9, 14, 15,  0, 11,  8,  1,  7,  3, 13,  2,  5,  6, 12
+.long  2, 11,  4, 15, 14,  3, 10,  8, 13,  6,  5,  7,  0, 12,  1,  9
+.long  4,  8, 15,  9, 14, 11, 13,  5,  3,  2,  1, 12,  6, 10,  7,  0
+.long  6, 13,  0, 14, 12,  2,  1, 11, 15,  4,  5,  8,  7,  9,  3, 10
+.long 15,  5,  4, 13, 10,  7,  3, 11, 12,  2,  0,  6,  9,  8,  1, 14
+.long  8,  7, 14, 11, 13, 15,  0, 12, 10,  4,  5,  6,  3,  2,  1,  9
+#endif /* CONFIG_AS_AVX512 */
+
+.text
+#ifdef CONFIG_AS_SSSE3
+ENTRY(blake2s_compress_ssse3)
+	testq		%rdx,%rdx
+	je		.Lendofloop
+	movdqu		(%rdi),%xmm0
+	movdqu		0x10(%rdi),%xmm1
+	movdqa		ROT16(%rip),%xmm12
+	movdqa		ROR328(%rip),%xmm13
+	movdqu		0x20(%rdi),%xmm14
+	movq		%rcx,%xmm15
+	leaq		SIGMA+0xa0(%rip),%r8
+	jmp		.Lbeginofloop
+	.align		32
+.Lbeginofloop:
+	movdqa		%xmm0,%xmm10
+	movdqa		%xmm1,%xmm11
+	paddq		%xmm15,%xmm14
+	movdqa		IV(%rip),%xmm2
+	movdqa		%xmm14,%xmm3
+	pxor		IV+0x10(%rip),%xmm3
+	leaq		SIGMA(%rip),%rcx
+.Lroundloop:
+	movzbl		(%rcx),%eax
+	movd		(%rsi,%rax,4),%xmm4
+	movzbl		0x1(%rcx),%eax
+	movd		(%rsi,%rax,4),%xmm5
+	movzbl		0x2(%rcx),%eax
+	movd		(%rsi,%rax,4),%xmm6
+	movzbl		0x3(%rcx),%eax
+	movd		(%rsi,%rax,4),%xmm7
+	punpckldq	%xmm5,%xmm4
+	punpckldq	%xmm7,%xmm6
+	punpcklqdq	%xmm6,%xmm4
+	paddd		%xmm4,%xmm0
+	paddd		%xmm1,%xmm0
+	pxor		%xmm0,%xmm3
+	pshufb		%xmm12,%xmm3
+	paddd		%xmm3,%xmm2
+	pxor		%xmm2,%xmm1
+	movdqa		%xmm1,%xmm8
+	psrld		$0xc,%xmm1
+	pslld		$0x14,%xmm8
+	por		%xmm8,%xmm1
+	movzbl		0x4(%rcx),%eax
+	movd		(%rsi,%rax,4),%xmm5
+	movzbl		0x5(%rcx),%eax
+	movd		(%rsi,%rax,4),%xmm6
+	movzbl		0x6(%rcx),%eax
+	movd		(%rsi,%rax,4),%xmm7
+	movzbl		0x7(%rcx),%eax
+	movd		(%rsi,%rax,4),%xmm4
+	punpckldq	%xmm6,%xmm5
+	punpckldq	%xmm4,%xmm7
+	punpcklqdq	%xmm7,%xmm5
+	paddd		%xmm5,%xmm0
+	paddd		%xmm1,%xmm0
+	pxor		%xmm0,%xmm3
+	pshufb		%xmm13,%xmm3
+	paddd		%xmm3,%xmm2
+	pxor		%xmm2,%xmm1
+	movdqa		%xmm1,%xmm8
+	psrld		$0x7,%xmm1
+	pslld		$0x19,%xmm8
+	por		%xmm8,%xmm1
+	pshufd		$0x93,%xmm0,%xmm0
+	pshufd		$0x4e,%xmm3,%xmm3
+	pshufd		$0x39,%xmm2,%xmm2
+	movzbl		0x8(%rcx),%eax
+	movd		(%rsi,%rax,4),%xmm6
+	movzbl		0x9(%rcx),%eax
+	movd		(%rsi,%rax,4),%xmm7
+	movzbl		0xa(%rcx),%eax
+	movd		(%rsi,%rax,4),%xmm4
+	movzbl		0xb(%rcx),%eax
+	movd		(%rsi,%rax,4),%xmm5
+	punpckldq	%xmm7,%xmm6
+	punpckldq	%xmm5,%xmm4
+	punpcklqdq	%xmm4,%xmm6
+	paddd		%xmm6,%xmm0
+	paddd		%xmm1,%xmm0
+	pxor		%xmm0,%xmm3
+	pshufb		%xmm12,%xmm3
+	paddd		%xmm3,%xmm2
+	pxor		%xmm2,%xmm1
+	movdqa		%xmm1,%xmm8
+	psrld		$0xc,%xmm1
+	pslld		$0x14,%xmm8
+	por		%xmm8,%xmm1
+	movzbl		0xc(%rcx),%eax
+	movd		(%rsi,%rax,4),%xmm7
+	movzbl		0xd(%rcx),%eax
+	movd		(%rsi,%rax,4),%xmm4
+	movzbl		0xe(%rcx),%eax
+	movd		(%rsi,%rax,4),%xmm5
+	movzbl		0xf(%rcx),%eax
+	movd		(%rsi,%rax,4),%xmm6
+	punpckldq	%xmm4,%xmm7
+	punpckldq	%xmm6,%xmm5
+	punpcklqdq	%xmm5,%xmm7
+	paddd		%xmm7,%xmm0
+	paddd		%xmm1,%xmm0
+	pxor		%xmm0,%xmm3
+	pshufb		%xmm13,%xmm3
+	paddd		%xmm3,%xmm2
+	pxor		%xmm2,%xmm1
+	movdqa		%xmm1,%xmm8
+	psrld		$0x7,%xmm1
+	pslld		$0x19,%xmm8
+	por		%xmm8,%xmm1
+	pshufd		$0x39,%xmm0,%xmm0
+	pshufd		$0x4e,%xmm3,%xmm3
+	pshufd		$0x93,%xmm2,%xmm2
+	addq		$0x10,%rcx
+	cmpq		%r8,%rcx
+	jnz		.Lroundloop
+	pxor		%xmm2,%xmm0
+	pxor		%xmm3,%xmm1
+	pxor		%xmm10,%xmm0
+	pxor		%xmm11,%xmm1
+	addq		$0x40,%rsi
+	decq		%rdx
+	jnz		.Lbeginofloop
+	movdqu		%xmm0,(%rdi)
+	movdqu		%xmm1,0x10(%rdi)
+	movdqu		%xmm14,0x20(%rdi)
+.Lendofloop:
+	ret
+ENDPROC(blake2s_compress_ssse3)
+#endif /* CONFIG_AS_SSSE3 */
+
+#ifdef CONFIG_AS_AVX512
+ENTRY(blake2s_compress_avx512)
+	vmovdqu		(%rdi),%xmm0
+	vmovdqu		0x10(%rdi),%xmm1
+	vmovdqu		0x20(%rdi),%xmm4
+	vmovq		%rcx,%xmm5
+	vmovdqa		IV(%rip),%xmm14
+	vmovdqa		IV+16(%rip),%xmm15
+	jmp		.Lblake2s_compress_avx512_mainloop
+.align 32
+.Lblake2s_compress_avx512_mainloop:
+	vmovdqa		%xmm0,%xmm10
+	vmovdqa		%xmm1,%xmm11
+	vpaddq		%xmm5,%xmm4,%xmm4
+	vmovdqa		%xmm14,%xmm2
+	vpxor		%xmm15,%xmm4,%xmm3
+	vmovdqu		(%rsi),%ymm6
+	vmovdqu		0x20(%rsi),%ymm7
+	addq		$0x40,%rsi
+	leaq		SIGMA2(%rip),%rax
+	movb		$0xa,%cl
+.Lblake2s_compress_avx512_roundloop:
+	addq		$0x40,%rax
+	vmovdqa		-0x40(%rax),%ymm8
+	vmovdqa		-0x20(%rax),%ymm9
+	vpermi2d	%ymm7,%ymm6,%ymm8
+	vpermi2d	%ymm7,%ymm6,%ymm9
+	vmovdqa		%ymm8,%ymm6
+	vmovdqa		%ymm9,%ymm7
+	vpaddd		%xmm8,%xmm0,%xmm0
+	vpaddd		%xmm1,%xmm0,%xmm0
+	vpxor		%xmm0,%xmm3,%xmm3
+	vprord		$0x10,%xmm3,%xmm3
+	vpaddd		%xmm3,%xmm2,%xmm2
+	vpxor		%xmm2,%xmm1,%xmm1
+	vprord		$0xc,%xmm1,%xmm1
+	vextracti128	$0x1,%ymm8,%xmm8
+	vpaddd		%xmm8,%xmm0,%xmm0
+	vpaddd		%xmm1,%xmm0,%xmm0
+	vpxor		%xmm0,%xmm3,%xmm3
+	vprord		$0x8,%xmm3,%xmm3
+	vpaddd		%xmm3,%xmm2,%xmm2
+	vpxor		%xmm2,%xmm1,%xmm1
+	vprord		$0x7,%xmm1,%xmm1
+	vpshufd		$0x93,%xmm0,%xmm0
+	vpshufd		$0x4e,%xmm3,%xmm3
+	vpshufd		$0x39,%xmm2,%xmm2
+	vpaddd		%xmm9,%xmm0,%xmm0
+	vpaddd		%xmm1,%xmm0,%xmm0
+	vpxor		%xmm0,%xmm3,%xmm3
+	vprord		$0x10,%xmm3,%xmm3
+	vpaddd		%xmm3,%xmm2,%xmm2
+	vpxor		%xmm2,%xmm1,%xmm1
+	vprord		$0xc,%xmm1,%xmm1
+	vextracti128	$0x1,%ymm9,%xmm9
+	vpaddd		%xmm9,%xmm0,%xmm0
+	vpaddd		%xmm1,%xmm0,%xmm0
+	vpxor		%xmm0,%xmm3,%xmm3
+	vprord		$0x8,%xmm3,%xmm3
+	vpaddd		%xmm3,%xmm2,%xmm2
+	vpxor		%xmm2,%xmm1,%xmm1
+	vprord		$0x7,%xmm1,%xmm1
+	vpshufd		$0x39,%xmm0,%xmm0
+	vpshufd		$0x4e,%xmm3,%xmm3
+	vpshufd		$0x93,%xmm2,%xmm2
+	decb		%cl
+	jne		.Lblake2s_compress_avx512_roundloop
+	vpxor		%xmm10,%xmm0,%xmm0
+	vpxor		%xmm11,%xmm1,%xmm1
+	vpxor		%xmm2,%xmm0,%xmm0
+	vpxor		%xmm3,%xmm1,%xmm1
+	decq		%rdx
+	jne		.Lblake2s_compress_avx512_mainloop
+	vmovdqu		%xmm0,(%rdi)
+	vmovdqu		%xmm1,0x10(%rdi)
+	vmovdqu		%xmm4,0x20(%rdi)
+	vzeroupper
+	retq
+ENDPROC(blake2s_compress_avx512)
+#endif /* CONFIG_AS_AVX512 */

arch/x86/crypto/blake2s-glue.c

@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ */
+
+#include <crypto/internal/blake2s.h>
+#include <crypto/internal/simd.h>
+#include <crypto/internal/hash.h>
+
+#include <linux/types.h>
+#include <linux/jump_label.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+#include <asm/cpufeature.h>
+#include <asm/fpu/api.h>
+#include <asm/processor.h>
+#include <asm/simd.h>
+
+asmlinkage void blake2s_compress_ssse3(struct blake2s_state *state,
+				       const u8 *block, const size_t nblocks,
+				       const u32 inc);
+asmlinkage void blake2s_compress_avx512(struct blake2s_state *state,
+					const u8 *block, const size_t nblocks,
+					const u32 inc);
+
+static __ro_after_init DEFINE_STATIC_KEY_FALSE(blake2s_use_ssse3);
+static __ro_after_init DEFINE_STATIC_KEY_FALSE(blake2s_use_avx512);
+
+void blake2s_compress_arch(struct blake2s_state *state,
+			   const u8 *block, size_t nblocks,
+			   const u32 inc)
+{
+	/* SIMD disables preemption, so relax after processing each page. */
+	BUILD_BUG_ON(SZ_4K / BLAKE2S_BLOCK_SIZE < 8);
+
+	if (!static_branch_likely(&blake2s_use_ssse3) || !crypto_simd_usable()) {
+		blake2s_compress_generic(state, block, nblocks, inc);
+		return;
+	}
+
+	do {
+		const size_t blocks = min_t(size_t, nblocks,
+					    SZ_4K / BLAKE2S_BLOCK_SIZE);
+
+		kernel_fpu_begin();
+		if (IS_ENABLED(CONFIG_AS_AVX512) &&
+		    static_branch_likely(&blake2s_use_avx512))
+			blake2s_compress_avx512(state, block, blocks, inc);
+		else
+			blake2s_compress_ssse3(state, block, blocks, inc);
+		kernel_fpu_end();
+
+		nblocks -= blocks;
+		block += blocks * BLAKE2S_BLOCK_SIZE;
+	} while (nblocks);
+}
+EXPORT_SYMBOL(blake2s_compress_arch);
+
+static int crypto_blake2s_update_x86(struct shash_desc *desc,
+				     const u8 *in, unsigned int inlen)
+{
+	return crypto_blake2s_update(desc, in, inlen, blake2s_compress_arch);
+}
+
+static int crypto_blake2s_final_x86(struct shash_desc *desc, u8 *out)
+{
+	return crypto_blake2s_final(desc, out, blake2s_compress_arch);
+}
+
+#define BLAKE2S_ALG(name, driver_name, digest_size)			\
+	{								\
+		.base.cra_name		= name,				\
+		.base.cra_driver_name	= driver_name,			\
+		.base.cra_priority	= 200,				\
+		.base.cra_flags		= CRYPTO_ALG_OPTIONAL_KEY,	\
+		.base.cra_blocksize	= BLAKE2S_BLOCK_SIZE,		\
+		.base.cra_ctxsize	= sizeof(struct blake2s_tfm_ctx), \
+		.base.cra_module	= THIS_MODULE,			\
+		.digestsize		= digest_size,			\
+		.setkey			= crypto_blake2s_setkey,	\
+		.init			= crypto_blake2s_init,		\
+		.update			= crypto_blake2s_update_x86,	\
+		.final			= crypto_blake2s_final_x86,	\
+		.descsize		= sizeof(struct blake2s_state),	\
+	}
+
+static struct shash_alg blake2s_algs[] = {
+	BLAKE2S_ALG("blake2s-128", "blake2s-128-x86", BLAKE2S_128_HASH_SIZE),
+	BLAKE2S_ALG("blake2s-160", "blake2s-160-x86", BLAKE2S_160_HASH_SIZE),
+	BLAKE2S_ALG("blake2s-224", "blake2s-224-x86", BLAKE2S_224_HASH_SIZE),
+	BLAKE2S_ALG("blake2s-256", "blake2s-256-x86", BLAKE2S_256_HASH_SIZE),
+};
+
+static int __init blake2s_mod_init(void)
+{
+	if (!boot_cpu_has(X86_FEATURE_SSSE3))
+		return 0;
+
+	static_branch_enable(&blake2s_use_ssse3);
+
+	if (IS_ENABLED(CONFIG_AS_AVX512) &&
+	    boot_cpu_has(X86_FEATURE_AVX) &&
+	    boot_cpu_has(X86_FEATURE_AVX2) &&
+	    boot_cpu_has(X86_FEATURE_AVX512F) &&
+	    boot_cpu_has(X86_FEATURE_AVX512VL) &&
+	    cpu_has_xfeatures(XFEATURE_MASK_SSE | XFEATURE_MASK_YMM |
+			      XFEATURE_MASK_AVX512, NULL))
+		static_branch_enable(&blake2s_use_avx512);
+
+	return IS_REACHABLE(CONFIG_CRYPTO_HASH) ?
+		crypto_register_shashes(blake2s_algs,
+					ARRAY_SIZE(blake2s_algs)) : 0;
+}
+
+static void __exit blake2s_mod_exit(void)
+{
+	if (IS_REACHABLE(CONFIG_CRYPTO_HASH) && boot_cpu_has(X86_FEATURE_SSSE3))
+		crypto_unregister_shashes(blake2s_algs, ARRAY_SIZE(blake2s_algs));
+}
+
+module_init(blake2s_mod_init);
+module_exit(blake2s_mod_exit);
+
+MODULE_ALIAS_CRYPTO("blake2s-128");
+MODULE_ALIAS_CRYPTO("blake2s-128-x86");
+MODULE_ALIAS_CRYPTO("blake2s-160");
+MODULE_ALIAS_CRYPTO("blake2s-160-x86");
+MODULE_ALIAS_CRYPTO("blake2s-224");
+MODULE_ALIAS_CRYPTO("blake2s-224-x86");
+MODULE_ALIAS_CRYPTO("blake2s-256");
+MODULE_ALIAS_CRYPTO("blake2s-256-x86");
+MODULE_LICENSE("GPL v2");

crypto/Kconfig

@@ -639,6 +639,47 @@ config CRYPTO_XXHASH
 	  xxHash non-cryptographic hash algorithm. Extremely fast, working at
 	  speeds close to RAM limits.
 
+config CRYPTO_BLAKE2S
+	tristate "BLAKE2s digest algorithm"
+	select CRYPTO_LIB_BLAKE2S_GENERIC
+	select CRYPTO_HASH
+	help
+	  Implementation of cryptographic hash function BLAKE2s
+	  optimized for 8-32bit platforms and can produce digests of any size
+	  between 1 to 32.  The keyed hash is also implemented.
+
+	  This module provides the following algorithms:
+
+	  - blake2s-128
+	  - blake2s-160
+	  - blake2s-224
+	  - blake2s-256
+
+	  See https://blake2.net for further information.
+
+config CRYPTO_BLAKE2S_X86
+	tristate "BLAKE2s digest algorithm (x86 accelerated version)"
+	depends on X86 && 64BIT
+	select CRYPTO_LIB_BLAKE2S_GENERIC
+	select CRYPTO_ARCH_HAVE_LIB_BLAKE2S
+
+config CRYPTO_BLAKE2B
+	tristate "BLAKE2b digest algorithm"
+	select CRYPTO_HASH
+	help
+	  Implementation of cryptographic hash function BLAKE2b (or just BLAKE2),
+	  optimized for 64bit platforms and can produce digests of any size
+	  between 1 to 64.  The keyed hash is also implemented.
+
+	  This module provides the following algorithms:
+
+	  - blake2b-160
+	  - blake2b-256
+	  - blake2b-384
+	  - blake2b-512
+
+	  See https://blake2.net for further information.
+
 config CRYPTO_CRCT10DIF
 	tristate "CRCT10DIF algorithm"
 	select CRYPTO_HASH
@@ -878,9 +919,6 @@ config CRYPTO_SHA1_PPC_SPE
 	  SHA-1 secure hash standard (DFIPS 180-4) implemented
 	  using powerpc SPE SIMD instruction set.
 
-config CRYPTO_LIB_SHA256
-	tristate
-
 config CRYPTO_SHA256
 	tristate "SHA224 and SHA256 digest algorithm"
 	select CRYPTO_HASH
@@ -1019,9 +1057,6 @@ config CRYPTO_GHASH_CLMUL_NI_INTEL
 
 comment "Ciphers"
 
-config CRYPTO_LIB_AES
-	tristate
-
 config CRYPTO_AES
 	tristate "AES cipher algorithms"
 	select CRYPTO_ALGAPI
@@ -1150,9 +1185,6 @@ config CRYPTO_ANUBIS
 	  <https://www.cosic.esat.kuleuven.be/nessie/reports/>
 	  <http://www.larc.usp.br/~pbarreto/AnubisPage.html>
 
-config CRYPTO_LIB_ARC4
-	tristate
-
 config CRYPTO_ARC4
 	tristate "ARC4 cipher algorithm"
 	select CRYPTO_BLKCIPHER
@@ -1339,9 +1371,6 @@ config CRYPTO_CAST6_AVX_X86_64
 	  This module provides the Cast6 cipher algorithm that processes
 	  eight blocks parallel using the AVX instruction set.
 
-config CRYPTO_LIB_DES
-	tristate
-
 config CRYPTO_DES
 	tristate "DES and Triple DES EDE cipher algorithms"
 	select CRYPTO_ALGAPI
@@ -1845,6 +1874,7 @@ config CRYPTO_STATS
 config CRYPTO_HASH_INFO
 	bool
 
+source "lib/crypto/Kconfig"
 source "drivers/crypto/Kconfig"
 source "crypto/asymmetric_keys/Kconfig"
 source "certs/Kconfig"

crypto/Makefile

@@ -74,6 +74,8 @@ obj-$(CONFIG_CRYPTO_STREEBOG) += streebog_generic.o
 obj-$(CONFIG_CRYPTO_WP512) += wp512.o
 CFLAGS_wp512.o := $(call cc-option,-fno-schedule-insns)  # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79149
 obj-$(CONFIG_CRYPTO_TGR192) += tgr192.o
+obj-$(CONFIG_CRYPTO_BLAKE2S) += blake2s_generic.o
+obj-$(CONFIG_CRYPTO_BLAKE2B) += blake2b_generic.o
 obj-$(CONFIG_CRYPTO_GF128MUL) += gf128mul.o
 obj-$(CONFIG_CRYPTO_ECB) += ecb.o
 obj-$(CONFIG_CRYPTO_CBC) += cbc.o

crypto/blake2b_generic.c

@@ -0,0 +1,187 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR Apache-2.0)
+/*
+ * Generic implementation of the BLAKE2b digest algorithm.  Based on the BLAKE2b
+ * reference implementation, but it has been heavily modified for use in the
+ * kernel.  The reference implementation was:
+ *
+ *	Copyright 2012, Samuel Neves <sneves@dei.uc.pt>.  You may use this under
+ *	the terms of the CC0, the OpenSSL Licence, or the Apache Public License
+ *	2.0, at your option.  The terms of these licenses can be found at:
+ *
+ *	- CC0 1.0 Universal : http://creativecommons.org/publicdomain/zero/1.0
+ *	- OpenSSL license   : https://www.openssl.org/source/license.html
+ *	- Apache 2.0        : https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * More information about BLAKE2 can be found at https://blake2.net.
+ */
+
+#include <asm/unaligned.h>
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/bitops.h>
+#include <crypto/internal/blake2b.h>
+#include <crypto/internal/hash.h>
+
+static const u8 blake2b_sigma[12][16] = {
+	{  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15 },
+	{ 14, 10,  4,  8,  9, 15, 13,  6,  1, 12,  0,  2, 11,  7,  5,  3 },
+	{ 11,  8, 12,  0,  5,  2, 15, 13, 10, 14,  3,  6,  7,  1,  9,  4 },
+	{  7,  9,  3,  1, 13, 12, 11, 14,  2,  6,  5, 10,  4,  0, 15,  8 },
+	{  9,  0,  5,  7,  2,  4, 10, 15, 14,  1, 11, 12,  6,  8,  3, 13 },
+	{  2, 12,  6, 10,  0, 11,  8,  3,  4, 13,  7,  5, 15, 14,  1,  9 },
+	{ 12,  5,  1, 15, 14, 13,  4, 10,  0,  7,  6,  3,  9,  2,  8, 11 },
+	{ 13, 11,  7, 14, 12,  1,  3,  9,  5,  0, 15,  4,  8,  6,  2, 10 },
+	{  6, 15, 14,  9, 11,  3,  0,  8, 12,  2, 13,  7,  1,  4, 10,  5 },
+	{ 10,  2,  8,  4,  7,  6,  1,  5, 15, 11,  9, 14,  3, 12, 13,  0 },
+	{  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15 },
+	{ 14, 10,  4,  8,  9, 15, 13,  6,  1, 12,  0,  2, 11,  7,  5,  3 }
+};
+
+static void blake2b_increment_counter(struct blake2b_state *S, const u64 inc)
+{
+	S->t[0] += inc;
+	S->t[1] += (S->t[0] < inc);
+}
+
+#define G(r,i,a,b,c,d)                                  \
+	do {                                            \
+		a = a + b + m[blake2b_sigma[r][2*i+0]]; \
+		d = ror64(d ^ a, 32);                   \
+		c = c + d;                              \
+		b = ror64(b ^ c, 24);                   \
+		a = a + b + m[blake2b_sigma[r][2*i+1]]; \
+		d = ror64(d ^ a, 16);                   \
+		c = c + d;                              \
+		b = ror64(b ^ c, 63);                   \
+	} while (0)
+
+#define ROUND(r)                                \
+	do {                                    \
+		G(r,0,v[ 0],v[ 4],v[ 8],v[12]); \
+		G(r,1,v[ 1],v[ 5],v[ 9],v[13]); \
+		G(r,2,v[ 2],v[ 6],v[10],v[14]); \
+		G(r,3,v[ 3],v[ 7],v[11],v[15]); \
+		G(r,4,v[ 0],v[ 5],v[10],v[15]); \
+		G(r,5,v[ 1],v[ 6],v[11],v[12]); \
+		G(r,6,v[ 2],v[ 7],v[ 8],v[13]); \
+		G(r,7,v[ 3],v[ 4],v[ 9],v[14]); \
+	} while (0)
+
+static void blake2b_compress_one_generic(struct blake2b_state *S,
+					 const u8 block[BLAKE2B_BLOCK_SIZE])
+{
+	u64 m[16];
+	u64 v[16];
+	size_t i;
+
+	for (i = 0; i < 16; ++i)
+		m[i] = get_unaligned_le64(block + i * sizeof(m[i]));
+
+	for (i = 0; i < 8; ++i)
+		v[i] = S->h[i];
+
+	v[ 8] = BLAKE2B_IV0;
+	v[ 9] = BLAKE2B_IV1;
+	v[10] = BLAKE2B_IV2;
+	v[11] = BLAKE2B_IV3;
+	v[12] = BLAKE2B_IV4 ^ S->t[0];
+	v[13] = BLAKE2B_IV5 ^ S->t[1];
+	v[14] = BLAKE2B_IV6 ^ S->f[0];
+	v[15] = BLAKE2B_IV7 ^ S->f[1];
+
+	ROUND(0);
+	ROUND(1);
+	ROUND(2);
+	ROUND(3);
+	ROUND(4);
+	ROUND(5);
+	ROUND(6);
+	ROUND(7);
+	ROUND(8);
+	ROUND(9);
+	ROUND(10);
+	ROUND(11);
+#ifdef CONFIG_CC_IS_CLANG
+#pragma nounroll /* https://bugs.llvm.org/show_bug.cgi?id=45803 */
+#endif
+	for (i = 0; i < 8; ++i)
+		S->h[i] = S->h[i] ^ v[i] ^ v[i + 8];
+}
+
+#undef G
+#undef ROUND
+
+void blake2b_compress_generic(struct blake2b_state *state,
+			      const u8 *block, size_t nblocks, u32 inc)
+{
+	do {
+		blake2b_increment_counter(state, inc);
+		blake2b_compress_one_generic(state, block);
+		block += BLAKE2B_BLOCK_SIZE;
+	} while (--nblocks);
+}
+EXPORT_SYMBOL(blake2b_compress_generic);
+
+static int crypto_blake2b_update_generic(struct shash_desc *desc,
+					 const u8 *in, unsigned int inlen)
+{
+	return crypto_blake2b_update(desc, in, inlen, blake2b_compress_generic);
+}
+
+static int crypto_blake2b_final_generic(struct shash_desc *desc, u8 *out)
+{
+	return crypto_blake2b_final(desc, out, blake2b_compress_generic);
+}
+
+#define BLAKE2B_ALG(name, driver_name, digest_size)			\
+	{								\
+		.base.cra_name		= name,				\
+		.base.cra_driver_name	= driver_name,			\
+		.base.cra_priority	= 100,				\
+		.base.cra_flags		= CRYPTO_ALG_OPTIONAL_KEY,	\
+		.base.cra_blocksize	= BLAKE2B_BLOCK_SIZE,		\
+		.base.cra_ctxsize	= sizeof(struct blake2b_tfm_ctx), \
+		.base.cra_module	= THIS_MODULE,			\
+		.digestsize		= digest_size,			\
+		.setkey			= crypto_blake2b_setkey,	\
+		.init			= crypto_blake2b_init,		\
+		.update			= crypto_blake2b_update_generic, \
+		.final			= crypto_blake2b_final_generic,	\
+		.descsize		= sizeof(struct blake2b_state),	\
+	}
+
+static struct shash_alg blake2b_algs[] = {
+	BLAKE2B_ALG("blake2b-160", "blake2b-160-generic",
+		    BLAKE2B_160_HASH_SIZE),
+	BLAKE2B_ALG("blake2b-256", "blake2b-256-generic",
+		    BLAKE2B_256_HASH_SIZE),
+	BLAKE2B_ALG("blake2b-384", "blake2b-384-generic",
+		    BLAKE2B_384_HASH_SIZE),
+	BLAKE2B_ALG("blake2b-512", "blake2b-512-generic",
+		    BLAKE2B_512_HASH_SIZE),
+};
+
+static int __init blake2b_mod_init(void)
+{
+	return crypto_register_shashes(blake2b_algs, ARRAY_SIZE(blake2b_algs));
+}
+
+static void __exit blake2b_mod_fini(void)
+{
+	crypto_unregister_shashes(blake2b_algs, ARRAY_SIZE(blake2b_algs));
+}
+
+subsys_initcall(blake2b_mod_init);
+module_exit(blake2b_mod_fini);
+
+MODULE_AUTHOR("David Sterba <kdave@kernel.org>");
+MODULE_DESCRIPTION("BLAKE2b generic implementation");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS_CRYPTO("blake2b-160");
+MODULE_ALIAS_CRYPTO("blake2b-160-generic");
+MODULE_ALIAS_CRYPTO("blake2b-256");
+MODULE_ALIAS_CRYPTO("blake2b-256-generic");
+MODULE_ALIAS_CRYPTO("blake2b-384");
+MODULE_ALIAS_CRYPTO("blake2b-384-generic");
+MODULE_ALIAS_CRYPTO("blake2b-512");
+MODULE_ALIAS_CRYPTO("blake2b-512-generic");

crypto/blake2s_generic.c

@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * shash interface to the generic implementation of BLAKE2s
+ *
+ * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ */
+
+#include <crypto/internal/blake2s.h>
+#include <crypto/internal/hash.h>
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+
+static int crypto_blake2s_update_generic(struct shash_desc *desc,
+					 const u8 *in, unsigned int inlen)
+{
+	return crypto_blake2s_update(desc, in, inlen, blake2s_compress_generic);
+}
+
+static int crypto_blake2s_final_generic(struct shash_desc *desc, u8 *out)
+{
+	return crypto_blake2s_final(desc, out, blake2s_compress_generic);
+}
+
+#define BLAKE2S_ALG(name, driver_name, digest_size)			\
+	{								\
+		.base.cra_name		= name,				\
+		.base.cra_driver_name	= driver_name,			\
+		.base.cra_priority	= 100,				\
+		.base.cra_flags		= CRYPTO_ALG_OPTIONAL_KEY,	\
+		.base.cra_blocksize	= BLAKE2S_BLOCK_SIZE,		\
+		.base.cra_ctxsize	= sizeof(struct blake2s_tfm_ctx), \
+		.base.cra_module	= THIS_MODULE,			\
+		.digestsize		= digest_size,			\
+		.setkey			= crypto_blake2s_setkey,	\
+		.init			= crypto_blake2s_init,		\
+		.update			= crypto_blake2s_update_generic, \
+		.final			= crypto_blake2s_final_generic,	\
+		.descsize		= sizeof(struct blake2s_state),	\
+	}
+
+static struct shash_alg blake2s_algs[] = {
+	BLAKE2S_ALG("blake2s-128", "blake2s-128-generic",
+		    BLAKE2S_128_HASH_SIZE),
+	BLAKE2S_ALG("blake2s-160", "blake2s-160-generic",
+		    BLAKE2S_160_HASH_SIZE),
+	BLAKE2S_ALG("blake2s-224", "blake2s-224-generic",
+		    BLAKE2S_224_HASH_SIZE),
+	BLAKE2S_ALG("blake2s-256", "blake2s-256-generic",
+		    BLAKE2S_256_HASH_SIZE),
+};
+
+static int __init blake2s_mod_init(void)
+{
+	return crypto_register_shashes(blake2s_algs, ARRAY_SIZE(blake2s_algs));
+}
+
+static void __exit blake2s_mod_exit(void)
+{
+	crypto_unregister_shashes(blake2s_algs, ARRAY_SIZE(blake2s_algs));
+}
+
+subsys_initcall(blake2s_mod_init);
+module_exit(blake2s_mod_exit);
+
+MODULE_ALIAS_CRYPTO("blake2s-128");
+MODULE_ALIAS_CRYPTO("blake2s-128-generic");
+MODULE_ALIAS_CRYPTO("blake2s-160");
+MODULE_ALIAS_CRYPTO("blake2s-160-generic");
+MODULE_ALIAS_CRYPTO("blake2s-224");
+MODULE_ALIAS_CRYPTO("blake2s-224-generic");
+MODULE_ALIAS_CRYPTO("blake2s-256");
+MODULE_ALIAS_CRYPTO("blake2s-256-generic");
+MODULE_LICENSE("GPL v2");

crypto/testmgr.c

@@ -4034,6 +4034,58 @@ static const struct alg_test_desc alg_test_descs[] = {
 		.alg = "authenc(hmac(sha512),rfc3686(ctr(aes)))",
 		.test = alg_test_null,
 		.fips_allowed = 1,
+	}, {
+		.alg = "blake2b-160",
+		.test = alg_test_hash,
+		.fips_allowed = 0,
+		.suite = {
+			.hash = __VECS(blake2b_160_tv_template)
+		}
+	}, {
+		.alg = "blake2b-256",
+		.test = alg_test_hash,
+		.fips_allowed = 0,
+		.suite = {
+			.hash = __VECS(blake2b_256_tv_template)
+		}
+	}, {
+		.alg = "blake2b-384",
+		.test = alg_test_hash,
+		.fips_allowed = 0,
+		.suite = {
+			.hash = __VECS(blake2b_384_tv_template)
+		}
+	}, {
+		.alg = "blake2b-512",
+		.test = alg_test_hash,
+		.fips_allowed = 0,
+		.suite = {
+			.hash = __VECS(blake2b_512_tv_template)
+		}
+	}, {
+		.alg = "blake2s-128",
+		.test = alg_test_hash,
+		.suite = {
+			.hash = __VECS(blakes2s_128_tv_template)
+		}
+	}, {
+		.alg = "blake2s-160",
+		.test = alg_test_hash,
+		.suite = {
+			.hash = __VECS(blakes2s_160_tv_template)
+		}
+	}, {
+		.alg = "blake2s-224",
+		.test = alg_test_hash,
+		.suite = {
+			.hash = __VECS(blakes2s_224_tv_template)
+		}
+	}, {
+		.alg = "blake2s-256",
+		.test = alg_test_hash,
+		.suite = {
+			.hash = __VECS(blakes2s_256_tv_template)
+		}
 	}, {
 		.alg = "cbc(aes)",
 		.test = alg_test_skcipher,

crypto/testmgr.h

@@ -31567,4 +31567,528 @@ static const struct aead_testvec essiv_hmac_sha256_aes_cbc_tv_temp[] = {
 	},
 };
 
+static const char blake2_ordered_sequence[] =
+	"\x00\x01\x02\x03\x04\x05\x06\x07"
+	"\x08\x09\x0a\x0b\x0c\x0d\x0e\x0f"
+	"\x10\x11\x12\x13\x14\x15\x16\x17"
+	"\x18\x19\x1a\x1b\x1c\x1d\x1e\x1f"
+	"\x20\x21\x22\x23\x24\x25\x26\x27"
+	"\x28\x29\x2a\x2b\x2c\x2d\x2e\x2f"
+	"\x30\x31\x32\x33\x34\x35\x36\x37"
+	"\x38\x39\x3a\x3b\x3c\x3d\x3e\x3f"
+	"\x40\x41\x42\x43\x44\x45\x46\x47"
+	"\x48\x49\x4a\x4b\x4c\x4d\x4e\x4f"
+	"\x50\x51\x52\x53\x54\x55\x56\x57"
+	"\x58\x59\x5a\x5b\x5c\x5d\x5e\x5f"
+	"\x60\x61\x62\x63\x64\x65\x66\x67"
+	"\x68\x69\x6a\x6b\x6c\x6d\x6e\x6f"
+	"\x70\x71\x72\x73\x74\x75\x76\x77"
+	"\x78\x79\x7a\x7b\x7c\x7d\x7e\x7f"
+	"\x80\x81\x82\x83\x84\x85\x86\x87"
+	"\x88\x89\x8a\x8b\x8c\x8d\x8e\x8f"
+	"\x90\x91\x92\x93\x94\x95\x96\x97"
+	"\x98\x99\x9a\x9b\x9c\x9d\x9e\x9f"
+	"\xa0\xa1\xa2\xa3\xa4\xa5\xa6\xa7"
+	"\xa8\xa9\xaa\xab\xac\xad\xae\xaf"
+	"\xb0\xb1\xb2\xb3\xb4\xb5\xb6\xb7"
+	"\xb8\xb9\xba\xbb\xbc\xbd\xbe\xbf"
+	"\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7"
+	"\xc8\xc9\xca\xcb\xcc\xcd\xce\xcf"
+	"\xd0\xd1\xd2\xd3\xd4\xd5\xd6\xd7"
+	"\xd8\xd9\xda\xdb\xdc\xdd\xde\xdf"
+	"\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7"
+	"\xe8\xe9\xea\xeb\xec\xed\xee\xef"
+	"\xf0\xf1\xf2\xf3\xf4\xf5\xf6\xf7"
+	"\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff";
+
+static const struct hash_testvec blake2b_160_tv_template[] = {{
+	.digest = (u8[]){ 0x33, 0x45, 0x52, 0x4a, 0xbf, 0x6b, 0xbe, 0x18,
+			  0x09, 0x44, 0x92, 0x24, 0xb5, 0x97, 0x2c, 0x41,
+			  0x79, 0x0b, 0x6c, 0xf2, },
+}, {
+	.plaintext = blake2_ordered_sequence,
+	.psize = 64,
+	.digest = (u8[]){ 0x11, 0xcc, 0x66, 0x61, 0xe9, 0x22, 0xb0, 0xe4,
+			  0x07, 0xe0, 0xa5, 0x72, 0x49, 0xc3, 0x8d, 0x4f,
+			  0xf7, 0x6d, 0x8e, 0xc8, },
+}, {
+	.ksize = 32,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 1,
+	.digest = (u8[]){ 0x31, 0xe3, 0xd9, 0xd5, 0x4e, 0x72, 0xd8, 0x0b,
+			  0x2b, 0x3b, 0xd7, 0x6b, 0x82, 0x7a, 0x1d, 0xfb,
+			  0x56, 0x2f, 0x79, 0x4c, },
+}, {
+	.ksize = 64,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 7,
+	.digest = (u8[]){ 0x28, 0x20, 0xd1, 0xbe, 0x7f, 0xcc, 0xc1, 0x62,
+			  0xd9, 0x0d, 0x9a, 0x4b, 0x47, 0xd1, 0x5e, 0x04,
+			  0x74, 0x2a, 0x53, 0x17, },
+}, {
+	.ksize = 1,
+	.key = "B",
+	.plaintext = blake2_ordered_sequence,
+	.psize = 15,
+	.digest = (u8[]){ 0x45, 0xe9, 0x95, 0xb6, 0xc4, 0xe8, 0x22, 0xea,
+			  0xfe, 0xd2, 0x37, 0xdb, 0x46, 0xbf, 0xf1, 0x25,
+			  0xd5, 0x03, 0x1d, 0x81, },
+}, {
+	.ksize = 32,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 247,
+	.digest = (u8[]){ 0x7e, 0xb9, 0xf2, 0x9b, 0x2f, 0xc2, 0x01, 0xd4,
+			  0xb0, 0x4f, 0x08, 0x2b, 0x8e, 0xbd, 0x06, 0xef,
+			  0x1c, 0xc4, 0x25, 0x95, },
+}, {
+	.ksize = 64,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 256,
+	.digest = (u8[]){ 0x6e, 0x35, 0x01, 0x70, 0xbf, 0xb6, 0xc4, 0xba,
+			  0x33, 0x1b, 0xa6, 0xd3, 0xc2, 0x5d, 0xb4, 0x03,
+			  0x95, 0xaf, 0x29, 0x16, },
+}};
+
+static const struct hash_testvec blake2b_256_tv_template[] = {{
+	.plaintext = blake2_ordered_sequence,
+	.psize = 7,
+	.digest = (u8[]){ 0x9d, 0xf1, 0x4b, 0x72, 0x48, 0x76, 0x4a, 0x86,
+			  0x91, 0x97, 0xc3, 0x5e, 0x39, 0x2d, 0x2a, 0x6d,
+			  0x6f, 0xdc, 0x5b, 0x79, 0xd5, 0x97, 0x29, 0x79,
+			  0x20, 0xfd, 0x3f, 0x14, 0x91, 0xb4, 0x42, 0xd2, },
+}, {
+	.plaintext = blake2_ordered_sequence,
+	.psize = 256,
+	.digest = (u8[]){ 0x39, 0xa7, 0xeb, 0x9f, 0xed, 0xc1, 0x9a, 0xab,
+			  0xc8, 0x34, 0x25, 0xc6, 0x75, 0x5d, 0xd9, 0x0e,
+			  0x6f, 0x9d, 0x0c, 0x80, 0x49, 0x64, 0xa1, 0xf4,
+			  0xaa, 0xee, 0xa3, 0xb9, 0xfb, 0x59, 0x98, 0x35, },
+}, {
+	.ksize = 1,
+	.key = "B",
+	.digest = (u8[]){ 0xc3, 0x08, 0xb1, 0xbf, 0xe4, 0xf9, 0xbc, 0xb4,
+			  0x75, 0xaf, 0x3f, 0x59, 0x6e, 0xae, 0xde, 0x6a,
+			  0xa3, 0x8e, 0xb5, 0x94, 0xad, 0x30, 0xf0, 0x17,
+			  0x1c, 0xfb, 0xd8, 0x3e, 0x8a, 0xbe, 0xed, 0x9c, },
+}, {
+	.ksize = 64,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 1,
+	.digest = (u8[]){ 0x34, 0x75, 0x8b, 0x64, 0x71, 0x35, 0x62, 0x82,
+			  0x97, 0xfb, 0x09, 0xc7, 0x93, 0x0c, 0xd0, 0x4e,
+			  0x95, 0x28, 0xe5, 0x66, 0x91, 0x12, 0xf5, 0xb1,
+			  0x31, 0x84, 0x93, 0xe1, 0x4d, 0xe7, 0x7e, 0x55, },
+}, {
+	.ksize = 32,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 15,
+	.digest = (u8[]){ 0xce, 0x74, 0xa9, 0x2e, 0xe9, 0x40, 0x3d, 0xa2,
+			  0x11, 0x4a, 0x99, 0x25, 0x7a, 0x34, 0x5d, 0x35,
+			  0xdf, 0x6a, 0x48, 0x79, 0x2a, 0x93, 0x93, 0xff,
+			  0x1f, 0x3c, 0x39, 0xd0, 0x71, 0x1f, 0x20, 0x7b, },
+}, {
+	.ksize = 1,
+	.key = "B",
+	.plaintext = blake2_ordered_sequence,
+	.psize = 64,
+	.digest = (u8[]){ 0x2e, 0x84, 0xdb, 0xa2, 0x5f, 0x0e, 0xe9, 0x52,
+			  0x79, 0x50, 0x69, 0x9f, 0xf1, 0xfd, 0xfc, 0x9d,
+			  0x89, 0x83, 0xa9, 0xb6, 0xa4, 0xd5, 0xfa, 0xb5,
+			  0xbe, 0x35, 0x1a, 0x17, 0x8a, 0x2c, 0x7f, 0x7d, },
+}, {
+	.ksize = 64,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 247,
+	.digest = (u8[]){ 0x2e, 0x26, 0xf0, 0x09, 0x02, 0x65, 0x90, 0x09,
+			  0xcc, 0xf5, 0x4c, 0x44, 0x74, 0x0e, 0xa0, 0xa8,
+			  0x25, 0x4a, 0xda, 0x61, 0x56, 0x95, 0x7d, 0x3f,
+			  0x6d, 0xc0, 0x43, 0x17, 0x95, 0x89, 0xcd, 0x9d, },
+}};
+
+static const struct hash_testvec blake2b_384_tv_template[] = {{
+	.plaintext = blake2_ordered_sequence,
+	.psize = 1,
+	.digest = (u8[]){ 0xcc, 0x01, 0x08, 0x85, 0x36, 0xf7, 0x84, 0xf0,
+			  0xbb, 0x76, 0x9e, 0x41, 0xc4, 0x95, 0x7b, 0x6d,
+			  0x0c, 0xde, 0x1f, 0xcc, 0x8c, 0xf1, 0xd9, 0x1f,
+			  0xc4, 0x77, 0xd4, 0xdd, 0x6e, 0x3f, 0xbf, 0xcd,
+			  0x43, 0xd1, 0x69, 0x8d, 0x14, 0x6f, 0x34, 0x8b,
+			  0x2c, 0x36, 0xa3, 0x39, 0x68, 0x2b, 0xec, 0x3f, },
+}, {
+	.plaintext = blake2_ordered_sequence,
+	.psize = 247,
+	.digest = (u8[]){ 0xc8, 0xf8, 0xf0, 0xa2, 0x69, 0xfa, 0xcc, 0x4d,
+			  0x32, 0x5f, 0x13, 0x88, 0xca, 0x71, 0x99, 0x8f,
+			  0xf7, 0x30, 0x41, 0x5d, 0x6e, 0x34, 0xb7, 0x6e,
+			  0x3e, 0xd0, 0x46, 0xb6, 0xca, 0x30, 0x66, 0xb2,
+			  0x6f, 0x0c, 0x35, 0x54, 0x17, 0xcd, 0x26, 0x1b,
+			  0xef, 0x48, 0x98, 0xe0, 0x56, 0x7c, 0x05, 0xd2, },
+}, {
+	.ksize = 32,
+	.key = blake2_ordered_sequence,
+	.digest = (u8[]){ 0x15, 0x09, 0x7a, 0x90, 0x13, 0x23, 0xab, 0x0c,
+			  0x0b, 0x43, 0x21, 0x9a, 0xb5, 0xc6, 0x0c, 0x2e,
+			  0x7c, 0x57, 0xfc, 0xcc, 0x4b, 0x0f, 0xf0, 0x57,
+			  0xb7, 0x9c, 0xe7, 0x0f, 0xe1, 0x57, 0xac, 0x37,
+			  0x77, 0xd4, 0xf4, 0x2f, 0x03, 0x3b, 0x64, 0x09,
+			  0x84, 0xa0, 0xb3, 0x24, 0xb7, 0xae, 0x47, 0x5e, },
+}, {
+	.ksize = 1,
+	.key = "B",
+	.plaintext = blake2_ordered_sequence,
+	.psize = 7,
+	.digest = (u8[]){ 0x0b, 0x82, 0x88, 0xca, 0x05, 0x2f, 0x1b, 0x15,
+			  0xdc, 0xbb, 0x22, 0x27, 0x11, 0x6b, 0xf4, 0xd1,
+			  0xe9, 0x8f, 0x1b, 0x0b, 0x58, 0x3f, 0x5e, 0x86,
+			  0x80, 0x82, 0x6f, 0x8e, 0x54, 0xc1, 0x9f, 0x12,
+			  0xcf, 0xe9, 0x56, 0xc1, 0xfc, 0x1a, 0x08, 0xb9,
+			  0x4a, 0x57, 0x0a, 0x76, 0x3c, 0x15, 0x33, 0x18, },
+}, {
+	.ksize = 64,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 15,
+	.digest = (u8[]){ 0x4a, 0x81, 0x55, 0xb9, 0x79, 0x42, 0x8c, 0xc6,
+			  0x4f, 0xfe, 0xca, 0x82, 0x3b, 0xb2, 0xf7, 0xbc,
+			  0x5e, 0xfc, 0xab, 0x09, 0x1c, 0xd6, 0x3b, 0xe1,
+			  0x50, 0x82, 0x3b, 0xde, 0xc7, 0x06, 0xee, 0x3b,
+			  0x29, 0xce, 0xe5, 0x68, 0xe0, 0xff, 0xfa, 0xe1,
+			  0x7a, 0xf1, 0xc0, 0xfe, 0x57, 0xf4, 0x60, 0x49, },
+}, {
+	.ksize = 32,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 64,
+	.digest = (u8[]){ 0x34, 0xbd, 0xe1, 0x99, 0x43, 0x9f, 0x82, 0x72,
+			  0xe7, 0xed, 0x94, 0x9e, 0xe1, 0x84, 0xee, 0x82,
+			  0xfd, 0x26, 0x23, 0xc4, 0x17, 0x8d, 0xf5, 0x04,
+			  0xeb, 0xb7, 0xbc, 0xb8, 0xf3, 0x68, 0xb7, 0xad,
+			  0x94, 0x8e, 0x05, 0x3f, 0x8a, 0x5d, 0x8d, 0x81,
+			  0x3e, 0x88, 0xa7, 0x8c, 0xa2, 0xd5, 0xdc, 0x76, },
+}, {
+	.ksize = 1,
+	.key = "B",
+	.plaintext = blake2_ordered_sequence,
+	.psize = 256,
+	.digest = (u8[]){ 0x22, 0x14, 0xf4, 0xb0, 0x4c, 0xa8, 0xb5, 0x7d,
+			  0xa7, 0x5c, 0x04, 0xeb, 0xd8, 0x8d, 0x04, 0x71,
+			  0xc7, 0x3c, 0xc7, 0x6e, 0x8b, 0x20, 0x36, 0x40,
+			  0x9d, 0xd0, 0x60, 0xc6, 0xe3, 0x0b, 0x6e, 0x50,
+			  0xf5, 0xaf, 0xf5, 0xc6, 0x3b, 0xe3, 0x84, 0x6a,
+			  0x93, 0x1b, 0x12, 0xd6, 0x18, 0x27, 0xba, 0x36, },
+}};
+
+static const struct hash_testvec blake2b_512_tv_template[] = {{
+	.plaintext = blake2_ordered_sequence,
+	.psize = 15,
+	.digest = (u8[]){ 0x44, 0x4b, 0x24, 0x0f, 0xe3, 0xed, 0x86, 0xd0,
+			  0xe2, 0xef, 0x4c, 0xe7, 0xd8, 0x51, 0xed, 0xde,
+			  0x22, 0x15, 0x55, 0x82, 0xaa, 0x09, 0x14, 0x79,
+			  0x7b, 0x72, 0x6c, 0xd0, 0x58, 0xb6, 0xf4, 0x59,
+			  0x32, 0xe0, 0xe1, 0x29, 0x51, 0x68, 0x76, 0x52,
+			  0x7b, 0x1d, 0xd8, 0x8f, 0xc6, 0x6d, 0x71, 0x19,
+			  0xf4, 0xab, 0x3b, 0xed, 0x93, 0xa6, 0x1a, 0x0e,
+			  0x2d, 0x2d, 0x2a, 0xea, 0xc3, 0x36, 0xd9, 0x58, },
+}, {
+	.ksize = 64,
+	.key = blake2_ordered_sequence,
+	.digest = (u8[]){ 0x10, 0xeb, 0xb6, 0x77, 0x00, 0xb1, 0x86, 0x8e,
+			  0xfb, 0x44, 0x17, 0x98, 0x7a, 0xcf, 0x46, 0x90,
+			  0xae, 0x9d, 0x97, 0x2f, 0xb7, 0xa5, 0x90, 0xc2,
+			  0xf0, 0x28, 0x71, 0x79, 0x9a, 0xaa, 0x47, 0x86,
+			  0xb5, 0xe9, 0x96, 0xe8, 0xf0, 0xf4, 0xeb, 0x98,
+			  0x1f, 0xc2, 0x14, 0xb0, 0x05, 0xf4, 0x2d, 0x2f,
+			  0xf4, 0x23, 0x34, 0x99, 0x39, 0x16, 0x53, 0xdf,
+			  0x7a, 0xef, 0xcb, 0xc1, 0x3f, 0xc5, 0x15, 0x68, },
+}, {
+	.ksize = 1,
+	.key = "B",
+	.plaintext = blake2_ordered_sequence,
+	.psize = 1,
+	.digest = (u8[]){ 0xd2, 0x11, 0x31, 0x29, 0x3f, 0xea, 0xca, 0x72,
+			  0x21, 0xe4, 0x06, 0x65, 0x05, 0x2a, 0xd1, 0x02,
+			  0xc0, 0x8d, 0x7b, 0xf1, 0x09, 0x3c, 0xef, 0x88,
+			  0xe1, 0x68, 0x0c, 0xf1, 0x3b, 0xa4, 0xe3, 0x03,
+			  0xed, 0xa0, 0xe3, 0x60, 0x58, 0xa0, 0xdb, 0x52,
+			  0x8a, 0x66, 0x43, 0x09, 0x60, 0x1a, 0xbb, 0x67,
+			  0xc5, 0x84, 0x31, 0x40, 0xfa, 0xde, 0xc1, 0xd0,
+			  0xff, 0x3f, 0x4a, 0x69, 0xd9, 0x92, 0x26, 0x86, },
+}, {
+	.ksize = 32,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 7,
+	.digest = (u8[]){ 0xa3, 0x3e, 0x50, 0xbc, 0xfb, 0xd9, 0xf0, 0x82,
+			  0xa6, 0xd1, 0xdf, 0xaf, 0x82, 0xd0, 0xcf, 0x84,
+			  0x9a, 0x25, 0x3c, 0xae, 0x6d, 0xb5, 0xaf, 0x01,
+			  0xd7, 0xaf, 0xed, 0x50, 0xdc, 0xe2, 0xba, 0xcc,
+			  0x8c, 0x38, 0xf5, 0x16, 0x89, 0x38, 0x86, 0xce,
+			  0x68, 0x10, 0x63, 0x64, 0xa5, 0x79, 0x53, 0xb5,
+			  0x2e, 0x8e, 0xbc, 0x0a, 0xce, 0x95, 0xc0, 0x1e,
+			  0x69, 0x59, 0x1d, 0x3b, 0xd8, 0x19, 0x90, 0xd7, },
+}, {
+	.ksize = 64,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 64,
+	.digest = (u8[]){ 0x65, 0x67, 0x6d, 0x80, 0x06, 0x17, 0x97, 0x2f,
+			  0xbd, 0x87, 0xe4, 0xb9, 0x51, 0x4e, 0x1c, 0x67,
+			  0x40, 0x2b, 0x7a, 0x33, 0x10, 0x96, 0xd3, 0xbf,
+			  0xac, 0x22, 0xf1, 0xab, 0xb9, 0x53, 0x74, 0xab,
+			  0xc9, 0x42, 0xf1, 0x6e, 0x9a, 0xb0, 0xea, 0xd3,
+			  0x3b, 0x87, 0xc9, 0x19, 0x68, 0xa6, 0xe5, 0x09,
+			  0xe1, 0x19, 0xff, 0x07, 0x78, 0x7b, 0x3e, 0xf4,
+			  0x83, 0xe1, 0xdc, 0xdc, 0xcf, 0x6e, 0x30, 0x22, },
+}, {
+	.ksize = 1,
+	.key = "B",
+	.plaintext = blake2_ordered_sequence,
+	.psize = 247,
+	.digest = (u8[]){ 0xc2, 0x96, 0x2c, 0x6b, 0x84, 0xff, 0xee, 0xea,
+			  0x9b, 0xb8, 0x55, 0x2d, 0x6b, 0xa5, 0xd5, 0xe5,
+			  0xbd, 0xb1, 0x54, 0xb6, 0x1e, 0xfb, 0x63, 0x16,
+			  0x6e, 0x22, 0x04, 0xf0, 0x82, 0x7a, 0xc6, 0x99,
+			  0xf7, 0x4c, 0xff, 0x93, 0x71, 0x57, 0x64, 0xd0,
+			  0x08, 0x60, 0x39, 0x98, 0xb8, 0xd2, 0x2b, 0x4e,
+			  0x81, 0x8d, 0xe4, 0x8f, 0xb2, 0x1e, 0x8f, 0x99,
+			  0x98, 0xf1, 0x02, 0x9b, 0x4c, 0x7c, 0x97, 0x1a, },
+}, {
+	.ksize = 32,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 256,
+	.digest = (u8[]){ 0x0f, 0x32, 0x05, 0x09, 0xad, 0x9f, 0x25, 0xf7,
+			  0xf2, 0x00, 0x71, 0xc9, 0x9f, 0x08, 0x58, 0xd1,
+			  0x67, 0xc3, 0xa6, 0x2c, 0x0d, 0xe5, 0x7c, 0x15,
+			  0x35, 0x18, 0x5a, 0x68, 0xc1, 0xca, 0x1c, 0x6e,
+			  0x0f, 0xc4, 0xf6, 0x0c, 0x43, 0xe1, 0xb4, 0x3d,
+			  0x28, 0xe4, 0xc7, 0xa1, 0xcf, 0x6b, 0x17, 0x4e,
+			  0xf1, 0x5b, 0xb5, 0x53, 0xd4, 0xa7, 0xd0, 0x5b,
+			  0xae, 0x15, 0x81, 0x15, 0xd0, 0x88, 0xa0, 0x3c, },
+}};
+
+static const struct hash_testvec blakes2s_128_tv_template[] = {{
+	.digest = (u8[]){ 0x64, 0x55, 0x0d, 0x6f, 0xfe, 0x2c, 0x0a, 0x01,
+			  0xa1, 0x4a, 0xba, 0x1e, 0xad, 0xe0, 0x20, 0x0c, },
+}, {
+	.plaintext = blake2_ordered_sequence,
+	.psize = 64,
+	.digest = (u8[]){ 0xdc, 0x66, 0xca, 0x8f, 0x03, 0x86, 0x58, 0x01,
+			  0xb0, 0xff, 0xe0, 0x6e, 0xd8, 0xa1, 0xa9, 0x0e, },
+}, {
+	.ksize = 16,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 1,
+	.digest = (u8[]){ 0x88, 0x1e, 0x42, 0xe7, 0xbb, 0x35, 0x80, 0x82,
+			  0x63, 0x7c, 0x0a, 0x0f, 0xd7, 0xec, 0x6c, 0x2f, },
+}, {
+	.ksize = 32,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 7,
+	.digest = (u8[]){ 0xcf, 0x9e, 0x07, 0x2a, 0xd5, 0x22, 0xf2, 0xcd,
+			  0xa2, 0xd8, 0x25, 0x21, 0x80, 0x86, 0x73, 0x1c, },
+}, {
+	.ksize = 1,
+	.key = "B",
+	.plaintext = blake2_ordered_sequence,
+	.psize = 15,
+	.digest = (u8[]){ 0xf6, 0x33, 0x5a, 0x2c, 0x22, 0xa0, 0x64, 0xb2,
+			  0xb6, 0x3f, 0xeb, 0xbc, 0xd1, 0xc3, 0xe5, 0xb2, },
+}, {
+	.ksize = 16,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 247,
+	.digest = (u8[]){ 0x72, 0x66, 0x49, 0x60, 0xf9, 0x4a, 0xea, 0xbe,
+			  0x1f, 0xf4, 0x60, 0xce, 0xb7, 0x81, 0xcb, 0x09, },
+}, {
+	.ksize = 32,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 256,
+	.digest = (u8[]){ 0xd5, 0xa4, 0x0e, 0xc3, 0x16, 0xc7, 0x51, 0xa6,
+			  0x3c, 0xd0, 0xd9, 0x11, 0x57, 0xfa, 0x1e, 0xbb, },
+}};
+
+static const struct hash_testvec blakes2s_160_tv_template[] = {{
+	.plaintext = blake2_ordered_sequence,
+	.psize = 7,
+	.digest = (u8[]){ 0xb4, 0xf2, 0x03, 0x49, 0x37, 0xed, 0xb1, 0x3e,
+			  0x5b, 0x2a, 0xca, 0x64, 0x82, 0x74, 0xf6, 0x62,
+			  0xe3, 0xf2, 0x84, 0xff, },
+}, {
+	.plaintext = blake2_ordered_sequence,
+	.psize = 256,
+	.digest = (u8[]){ 0xaa, 0x56, 0x9b, 0xdc, 0x98, 0x17, 0x75, 0xf2,
+			  0xb3, 0x68, 0x83, 0xb7, 0x9b, 0x8d, 0x48, 0xb1,
+			  0x9b, 0x2d, 0x35, 0x05, },
+}, {
+	.ksize = 1,
+	.key = "B",
+	.digest = (u8[]){ 0x50, 0x16, 0xe7, 0x0c, 0x01, 0xd0, 0xd3, 0xc3,
+			  0xf4, 0x3e, 0xb1, 0x6e, 0x97, 0xa9, 0x4e, 0xd1,
+			  0x79, 0x65, 0x32, 0x93, },
+}, {
+	.ksize = 32,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 1,
+	.digest = (u8[]){ 0x1c, 0x2b, 0xcd, 0x9a, 0x68, 0xca, 0x8c, 0x71,
+			  0x90, 0x29, 0x6c, 0x54, 0xfa, 0x56, 0x4a, 0xef,
+			  0xa2, 0x3a, 0x56, 0x9c, },
+}, {
+	.ksize = 16,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 15,
+	.digest = (u8[]){ 0x36, 0xc3, 0x5f, 0x9a, 0xdc, 0x7e, 0xbf, 0x19,
+			  0x68, 0xaa, 0xca, 0xd8, 0x81, 0xbf, 0x09, 0x34,
+			  0x83, 0x39, 0x0f, 0x30, },
+}, {
+	.ksize = 1,
+	.key = "B",
+	.plaintext = blake2_ordered_sequence,
+	.psize = 64,
+	.digest = (u8[]){ 0x86, 0x80, 0x78, 0xa4, 0x14, 0xec, 0x03, 0xe5,
+			  0xb6, 0x9a, 0x52, 0x0e, 0x42, 0xee, 0x39, 0x9d,
+			  0xac, 0xa6, 0x81, 0x63, },
+}, {
+	.ksize = 32,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 247,
+	.digest = (u8[]){ 0x2d, 0xd8, 0xd2, 0x53, 0x66, 0xfa, 0xa9, 0x01,
+			  0x1c, 0x9c, 0xaf, 0xa3, 0xe2, 0x9d, 0x9b, 0x10,
+			  0x0a, 0xf6, 0x73, 0xe8, },
+}};
+
+static const struct hash_testvec blakes2s_224_tv_template[] = {{
+	.plaintext = blake2_ordered_sequence,
+	.psize = 1,
+	.digest = (u8[]){ 0x61, 0xb9, 0x4e, 0xc9, 0x46, 0x22, 0xa3, 0x91,
+			  0xd2, 0xae, 0x42, 0xe6, 0x45, 0x6c, 0x90, 0x12,
+			  0xd5, 0x80, 0x07, 0x97, 0xb8, 0x86, 0x5a, 0xfc,
+			  0x48, 0x21, 0x97, 0xbb, },
+}, {
+	.plaintext = blake2_ordered_sequence,
+	.psize = 247,
+	.digest = (u8[]){ 0x9e, 0xda, 0xc7, 0x20, 0x2c, 0xd8, 0x48, 0x2e,
+			  0x31, 0x94, 0xab, 0x46, 0x6d, 0x94, 0xd8, 0xb4,
+			  0x69, 0xcd, 0xae, 0x19, 0x6d, 0x9e, 0x41, 0xcc,
+			  0x2b, 0xa4, 0xd5, 0xf6, },
+}, {
+	.ksize = 16,
+	.key = blake2_ordered_sequence,
+	.digest = (u8[]){ 0x32, 0xc0, 0xac, 0xf4, 0x3b, 0xd3, 0x07, 0x9f,
+			  0xbe, 0xfb, 0xfa, 0x4d, 0x6b, 0x4e, 0x56, 0xb3,
+			  0xaa, 0xd3, 0x27, 0xf6, 0x14, 0xbf, 0xb9, 0x32,
+			  0xa7, 0x19, 0xfc, 0xb8, },
+}, {
+	.ksize = 1,
+	.key = "B",
+	.plaintext = blake2_ordered_sequence,
+	.psize = 7,
+	.digest = (u8[]){ 0x73, 0xad, 0x5e, 0x6d, 0xb9, 0x02, 0x8e, 0x76,
+			  0xf2, 0x66, 0x42, 0x4b, 0x4c, 0xfa, 0x1f, 0xe6,
+			  0x2e, 0x56, 0x40, 0xe5, 0xa2, 0xb0, 0x3c, 0xe8,
+			  0x7b, 0x45, 0xfe, 0x05, },
+}, {
+	.ksize = 32,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 15,
+	.digest = (u8[]){ 0x16, 0x60, 0xfb, 0x92, 0x54, 0xb3, 0x6e, 0x36,
+			  0x81, 0xf4, 0x16, 0x41, 0xc3, 0x3d, 0xd3, 0x43,
+			  0x84, 0xed, 0x10, 0x6f, 0x65, 0x80, 0x7a, 0x3e,
+			  0x25, 0xab, 0xc5, 0x02, },
+}, {
+	.ksize = 16,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 64,
+	.digest = (u8[]){ 0xca, 0xaa, 0x39, 0x67, 0x9c, 0xf7, 0x6b, 0xc7,
+			  0xb6, 0x82, 0xca, 0x0e, 0x65, 0x36, 0x5b, 0x7c,
+			  0x24, 0x00, 0xfa, 0x5f, 0xda, 0x06, 0x91, 0x93,
+			  0x6a, 0x31, 0x83, 0xb5, },
+}, {
+	.ksize = 1,
+	.key = "B",
+	.plaintext = blake2_ordered_sequence,
+	.psize = 256,
+	.digest = (u8[]){ 0x90, 0x02, 0x26, 0xb5, 0x06, 0x9c, 0x36, 0x86,
+			  0x94, 0x91, 0x90, 0x1e, 0x7d, 0x2a, 0x71, 0xb2,
+			  0x48, 0xb5, 0xe8, 0x16, 0xfd, 0x64, 0x33, 0x45,
+			  0xb3, 0xd7, 0xec, 0xcc, },
+}};
+
+static const struct hash_testvec blakes2s_256_tv_template[] = {{
+	.plaintext = blake2_ordered_sequence,
+	.psize = 15,
+	.digest = (u8[]){ 0xd9, 0x7c, 0x82, 0x8d, 0x81, 0x82, 0xa7, 0x21,
+			  0x80, 0xa0, 0x6a, 0x78, 0x26, 0x83, 0x30, 0x67,
+			  0x3f, 0x7c, 0x4e, 0x06, 0x35, 0x94, 0x7c, 0x04,
+			  0xc0, 0x23, 0x23, 0xfd, 0x45, 0xc0, 0xa5, 0x2d, },
+}, {
+	.ksize = 32,
+	.key = blake2_ordered_sequence,
+	.digest = (u8[]){ 0x48, 0xa8, 0x99, 0x7d, 0xa4, 0x07, 0x87, 0x6b,
+			  0x3d, 0x79, 0xc0, 0xd9, 0x23, 0x25, 0xad, 0x3b,
+			  0x89, 0xcb, 0xb7, 0x54, 0xd8, 0x6a, 0xb7, 0x1a,
+			  0xee, 0x04, 0x7a, 0xd3, 0x45, 0xfd, 0x2c, 0x49, },
+}, {
+	.ksize = 1,
+	.key = "B",
+	.plaintext = blake2_ordered_sequence,
+	.psize = 1,
+	.digest = (u8[]){ 0x22, 0x27, 0xae, 0xaa, 0x6e, 0x81, 0x56, 0x03,
+			  0xa7, 0xe3, 0xa1, 0x18, 0xa5, 0x9a, 0x2c, 0x18,
+			  0xf4, 0x63, 0xbc, 0x16, 0x70, 0xf1, 0xe7, 0x4b,
+			  0x00, 0x6d, 0x66, 0x16, 0xae, 0x9e, 0x74, 0x4e, },
+}, {
+	.ksize = 16,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 7,
+	.digest = (u8[]){ 0x58, 0x5d, 0xa8, 0x60, 0x1c, 0xa4, 0xd8, 0x03,
+			  0x86, 0x86, 0x84, 0x64, 0xd7, 0xa0, 0x8e, 0x15,
+			  0x2f, 0x05, 0xa2, 0x1b, 0xbc, 0xef, 0x7a, 0x34,
+			  0xb3, 0xc5, 0xbc, 0x4b, 0xf0, 0x32, 0xeb, 0x12, },
+}, {
+	.ksize = 32,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 64,
+	.digest = (u8[]){ 0x89, 0x75, 0xb0, 0x57, 0x7f, 0xd3, 0x55, 0x66,
+			  0xd7, 0x50, 0xb3, 0x62, 0xb0, 0x89, 0x7a, 0x26,
+			  0xc3, 0x99, 0x13, 0x6d, 0xf0, 0x7b, 0xab, 0xab,
+			  0xbd, 0xe6, 0x20, 0x3f, 0xf2, 0x95, 0x4e, 0xd4, },
+}, {
+	.ksize = 1,
+	.key = "B",
+	.plaintext = blake2_ordered_sequence,
+	.psize = 247,
+	.digest = (u8[]){ 0x2e, 0x74, 0x1c, 0x1d, 0x03, 0xf4, 0x9d, 0x84,
+			  0x6f, 0xfc, 0x86, 0x32, 0x92, 0x49, 0x7e, 0x66,
+			  0xd7, 0xc3, 0x10, 0x88, 0xfe, 0x28, 0xb3, 0xe0,
+			  0xbf, 0x50, 0x75, 0xad, 0x8e, 0xa4, 0xe6, 0xb2, },
+}, {
+	.ksize = 16,
+	.key = blake2_ordered_sequence,
+	.plaintext = blake2_ordered_sequence,
+	.psize = 256,
+	.digest = (u8[]){ 0xb9, 0xd2, 0x81, 0x0e, 0x3a, 0xb1, 0x62, 0x9b,
+			  0xad, 0x44, 0x05, 0xf4, 0x92, 0x2e, 0x99, 0xc1,
+			  0x4a, 0x47, 0xbb, 0x5b, 0x6f, 0xb2, 0x96, 0xed,
+			  0xd5, 0x06, 0xb5, 0x3a, 0x7c, 0x7a, 0x65, 0x1d, },
+}};
+
 #endif	/* _CRYPTO_TESTMGR_H */

drivers/staging/android/ion/heaps/ion_cma_heap.c

@@ -146,6 +146,6 @@ static void __exit ion_cma_heap_exit(void)
 		ion_device_remove_heap(&cma_heaps[nr].heap);
 }
 
-module_init(ion_cma_heap_init);
+subsys_initcall(ion_cma_heap_init);
 module_exit(ion_cma_heap_exit);
 MODULE_LICENSE("GPL v2");

drivers/staging/android/ion/heaps/ion_system_heap.c

@@ -293,6 +293,6 @@ static void __exit ion_system_heap_exit(void)
 	ion_system_heap_destroy_pools(system_heap.pools);
 }
 
-module_init(ion_system_heap_init);
+subsys_initcall(ion_system_heap_init);
 module_exit(ion_system_heap_exit);
 MODULE_LICENSE("GPL v2");

fs/f2fs/data.c

@@ -3364,7 +3364,13 @@ static int f2fs_write_begin(struct file *file, struct address_space *mapping,
 	block_t blkaddr = NULL_ADDR;
 	int err = 0;
 
-	if (trace_android_fs_datawrite_start_enabled()) {
+	/*
+	 * Should avoid quota operations which can make deadlock:
+	 * kswapd -> f2fs_evict_inode -> dquot_drop ->
+	 *   f2fs_dquot_commit -> f2fs_write_begin ->
+	 *   d_obtain_alias -> __d_alloc -> kmem_cache_alloc(GFP_KERNEL)
+	 */
+	if (trace_android_fs_datawrite_start_enabled() && !IS_NOQUOTA(inode)) {
 		char *path, pathbuf[MAX_TRACE_PATHBUF_LEN];
 
 		path = android_fstrace_get_pathname(pathbuf,

fs/incfs/vfs.c

@@ -777,8 +777,10 @@ static struct dentry *open_or_create_index_dir(struct dentry *backing_dir)
 	err = vfs_mkdir(backing_inode, index_dentry, 0777);
 	inode_unlock(backing_inode);
 
-	if (err)
+	if (err) {
+		dput(index_dentry);
 		return ERR_PTR(err);
+	}
 
 	if (!d_really_is_positive(index_dentry)) {
 		dput(index_dentry);

include/crypto/blake2b.h

@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: GPL-2.0 OR MIT */
+
+#ifndef _CRYPTO_BLAKE2B_H
+#define _CRYPTO_BLAKE2B_H
+
+#include <linux/bug.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+
+enum blake2b_lengths {
+	BLAKE2B_BLOCK_SIZE = 128,
+	BLAKE2B_HASH_SIZE = 64,
+	BLAKE2B_KEY_SIZE = 64,
+
+	BLAKE2B_160_HASH_SIZE = 20,
+	BLAKE2B_256_HASH_SIZE = 32,
+	BLAKE2B_384_HASH_SIZE = 48,
+	BLAKE2B_512_HASH_SIZE = 64,
+};
+
+struct blake2b_state {
+	/* 'h', 't', and 'f' are used in assembly code, so keep them as-is. */
+	u64 h[8];
+	u64 t[2];
+	u64 f[2];
+	u8 buf[BLAKE2B_BLOCK_SIZE];
+	unsigned int buflen;
+	unsigned int outlen;
+};
+
+enum blake2b_iv {
+	BLAKE2B_IV0 = 0x6A09E667F3BCC908ULL,
+	BLAKE2B_IV1 = 0xBB67AE8584CAA73BULL,
+	BLAKE2B_IV2 = 0x3C6EF372FE94F82BULL,
+	BLAKE2B_IV3 = 0xA54FF53A5F1D36F1ULL,
+	BLAKE2B_IV4 = 0x510E527FADE682D1ULL,
+	BLAKE2B_IV5 = 0x9B05688C2B3E6C1FULL,
+	BLAKE2B_IV6 = 0x1F83D9ABFB41BD6BULL,
+	BLAKE2B_IV7 = 0x5BE0CD19137E2179ULL,
+};
+
+static inline void __blake2b_init(struct blake2b_state *state, size_t outlen,
+				  const void *key, size_t keylen)
+{
+	state->h[0] = BLAKE2B_IV0 ^ (0x01010000 | keylen << 8 | outlen);
+	state->h[1] = BLAKE2B_IV1;
+	state->h[2] = BLAKE2B_IV2;
+	state->h[3] = BLAKE2B_IV3;
+	state->h[4] = BLAKE2B_IV4;
+	state->h[5] = BLAKE2B_IV5;
+	state->h[6] = BLAKE2B_IV6;
+	state->h[7] = BLAKE2B_IV7;
+	state->t[0] = 0;
+	state->t[1] = 0;
+	state->f[0] = 0;
+	state->f[1] = 0;
+	state->buflen = 0;
+	state->outlen = outlen;
+	if (keylen) {
+		memcpy(state->buf, key, keylen);
+		memset(&state->buf[keylen], 0, BLAKE2B_BLOCK_SIZE - keylen);
+		state->buflen = BLAKE2B_BLOCK_SIZE;
+	}
+}
+
+#endif /* _CRYPTO_BLAKE2B_H */

include/crypto/blake2s.h

@@ -0,0 +1,107 @@
+/* SPDX-License-Identifier: GPL-2.0 OR MIT */
+/*
+ * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ */
+
+#ifndef _CRYPTO_BLAKE2S_H
+#define _CRYPTO_BLAKE2S_H
+
+#include <linux/bug.h>
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/string.h>
+
+enum blake2s_lengths {
+	BLAKE2S_BLOCK_SIZE = 64,
+	BLAKE2S_HASH_SIZE = 32,
+	BLAKE2S_KEY_SIZE = 32,
+
+	BLAKE2S_128_HASH_SIZE = 16,
+	BLAKE2S_160_HASH_SIZE = 20,
+	BLAKE2S_224_HASH_SIZE = 28,
+	BLAKE2S_256_HASH_SIZE = 32,
+};
+
+struct blake2s_state {
+	/* 'h', 't', and 'f' are used in assembly code, so keep them as-is. */
+	u32 h[8];
+	u32 t[2];
+	u32 f[2];
+	u8 buf[BLAKE2S_BLOCK_SIZE];
+	unsigned int buflen;
+	unsigned int outlen;
+};
+
+enum blake2s_iv {
+	BLAKE2S_IV0 = 0x6A09E667UL,
+	BLAKE2S_IV1 = 0xBB67AE85UL,
+	BLAKE2S_IV2 = 0x3C6EF372UL,
+	BLAKE2S_IV3 = 0xA54FF53AUL,
+	BLAKE2S_IV4 = 0x510E527FUL,
+	BLAKE2S_IV5 = 0x9B05688CUL,
+	BLAKE2S_IV6 = 0x1F83D9ABUL,
+	BLAKE2S_IV7 = 0x5BE0CD19UL,
+};
+
+static inline void __blake2s_init(struct blake2s_state *state, size_t outlen,
+				  const void *key, size_t keylen)
+{
+	state->h[0] = BLAKE2S_IV0 ^ (0x01010000 | keylen << 8 | outlen);
+	state->h[1] = BLAKE2S_IV1;
+	state->h[2] = BLAKE2S_IV2;
+	state->h[3] = BLAKE2S_IV3;
+	state->h[4] = BLAKE2S_IV4;
+	state->h[5] = BLAKE2S_IV5;
+	state->h[6] = BLAKE2S_IV6;
+	state->h[7] = BLAKE2S_IV7;
+	state->t[0] = 0;
+	state->t[1] = 0;
+	state->f[0] = 0;
+	state->f[1] = 0;
+	state->buflen = 0;
+	state->outlen = outlen;
+	if (keylen) {
+		memcpy(state->buf, key, keylen);
+		memset(&state->buf[keylen], 0, BLAKE2S_BLOCK_SIZE - keylen);
+		state->buflen = BLAKE2S_BLOCK_SIZE;
+	}
+}
+
+static inline void blake2s_init(struct blake2s_state *state,
+				const size_t outlen)
+{
+	__blake2s_init(state, outlen, NULL, 0);
+}
+
+static inline void blake2s_init_key(struct blake2s_state *state,
+				    const size_t outlen, const void *key,
+				    const size_t keylen)
+{
+	WARN_ON(IS_ENABLED(DEBUG) && (!outlen || outlen > BLAKE2S_HASH_SIZE ||
+		!key || !keylen || keylen > BLAKE2S_KEY_SIZE));
+
+	__blake2s_init(state, outlen, key, keylen);
+}
+
+void blake2s_update(struct blake2s_state *state, const u8 *in, size_t inlen);
+void blake2s_final(struct blake2s_state *state, u8 *out);
+
+static inline void blake2s(u8 *out, const u8 *in, const u8 *key,
+			   const size_t outlen, const size_t inlen,
+			   const size_t keylen)
+{
+	struct blake2s_state state;
+
+	WARN_ON(IS_ENABLED(DEBUG) && ((!in && inlen > 0) || !out || !outlen ||
+		outlen > BLAKE2S_HASH_SIZE || keylen > BLAKE2S_KEY_SIZE ||
+		(!key && keylen)));
+
+	__blake2s_init(&state, outlen, key, keylen);
+	blake2s_update(&state, in, inlen);
+	blake2s_final(&state, out);
+}
+
+void blake2s256_hmac(u8 *out, const u8 *in, const u8 *key, const size_t inlen,
+		     const size_t keylen);
+
+#endif /* _CRYPTO_BLAKE2S_H */

include/crypto/internal/blake2b.h

@@ -0,0 +1,115 @@
+/* SPDX-License-Identifier: GPL-2.0 OR MIT */
+/*
+ * Helper functions for BLAKE2b implementations.
+ * Keep this in sync with the corresponding BLAKE2s header.
+ */
+
+#ifndef _CRYPTO_INTERNAL_BLAKE2B_H
+#define _CRYPTO_INTERNAL_BLAKE2B_H
+
+#include <crypto/blake2b.h>
+#include <crypto/internal/hash.h>
+#include <linux/string.h>
+
+void blake2b_compress_generic(struct blake2b_state *state,
+			      const u8 *block, size_t nblocks, u32 inc);
+
+static inline void blake2b_set_lastblock(struct blake2b_state *state)
+{
+	state->f[0] = -1;
+}
+
+typedef void (*blake2b_compress_t)(struct blake2b_state *state,
+				   const u8 *block, size_t nblocks, u32 inc);
+
+static inline void __blake2b_update(struct blake2b_state *state,
+				    const u8 *in, size_t inlen,
+				    blake2b_compress_t compress)
+{
+	const size_t fill = BLAKE2B_BLOCK_SIZE - state->buflen;
+
+	if (unlikely(!inlen))
+		return;
+	if (inlen > fill) {
+		memcpy(state->buf + state->buflen, in, fill);
+		(*compress)(state, state->buf, 1, BLAKE2B_BLOCK_SIZE);
+		state->buflen = 0;
+		in += fill;
+		inlen -= fill;
+	}
+	if (inlen > BLAKE2B_BLOCK_SIZE) {
+		const size_t nblocks = DIV_ROUND_UP(inlen, BLAKE2B_BLOCK_SIZE);
+		/* Hash one less (full) block than strictly possible */
+		(*compress)(state, in, nblocks - 1, BLAKE2B_BLOCK_SIZE);
+		in += BLAKE2B_BLOCK_SIZE * (nblocks - 1);
+		inlen -= BLAKE2B_BLOCK_SIZE * (nblocks - 1);
+	}
+	memcpy(state->buf + state->buflen, in, inlen);
+	state->buflen += inlen;
+}
+
+static inline void __blake2b_final(struct blake2b_state *state, u8 *out,
+				   blake2b_compress_t compress)
+{
+	int i;
+
+	blake2b_set_lastblock(state);
+	memset(state->buf + state->buflen, 0,
+	       BLAKE2B_BLOCK_SIZE - state->buflen); /* Padding */
+	(*compress)(state, state->buf, 1, state->buflen);
+	for (i = 0; i < ARRAY_SIZE(state->h); i++)
+		__cpu_to_le64s(&state->h[i]);
+	memcpy(out, state->h, state->outlen);
+}
+
+/* Helper functions for shash implementations of BLAKE2b */
+
+struct blake2b_tfm_ctx {
+	u8 key[BLAKE2B_KEY_SIZE];
+	unsigned int keylen;
+};
+
+static inline int crypto_blake2b_setkey(struct crypto_shash *tfm,
+					const u8 *key, unsigned int keylen)
+{
+	struct blake2b_tfm_ctx *tctx = crypto_shash_ctx(tfm);
+
+	if (keylen == 0 || keylen > BLAKE2B_KEY_SIZE)
+		return -EINVAL;
+
+	memcpy(tctx->key, key, keylen);
+	tctx->keylen = keylen;
+
+	return 0;
+}
+
+static inline int crypto_blake2b_init(struct shash_desc *desc)
+{
+	const struct blake2b_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
+	struct blake2b_state *state = shash_desc_ctx(desc);
+	unsigned int outlen = crypto_shash_digestsize(desc->tfm);
+
+	__blake2b_init(state, outlen, tctx->key, tctx->keylen);
+	return 0;
+}
+
+static inline int crypto_blake2b_update(struct shash_desc *desc,
+					const u8 *in, unsigned int inlen,
+					blake2b_compress_t compress)
+{
+	struct blake2b_state *state = shash_desc_ctx(desc);
+
+	__blake2b_update(state, in, inlen, compress);
+	return 0;
+}
+
+static inline int crypto_blake2b_final(struct shash_desc *desc, u8 *out,
+				       blake2b_compress_t compress)
+{
+	struct blake2b_state *state = shash_desc_ctx(desc);
+
+	__blake2b_final(state, out, compress);
+	return 0;
+}
+
+#endif /* _CRYPTO_INTERNAL_BLAKE2B_H */

include/crypto/internal/blake2s.h

@@ -0,0 +1,119 @@
+/* SPDX-License-Identifier: GPL-2.0 OR MIT */
+/*
+ * Helper functions for BLAKE2s implementations.
+ * Keep this in sync with the corresponding BLAKE2b header.
+ */
+
+#ifndef _CRYPTO_INTERNAL_BLAKE2S_H
+#define _CRYPTO_INTERNAL_BLAKE2S_H
+
+#include <crypto/blake2s.h>
+#include <crypto/internal/hash.h>
+#include <linux/string.h>
+
+void blake2s_compress_generic(struct blake2s_state *state,const u8 *block,
+			      size_t nblocks, const u32 inc);
+
+void blake2s_compress_arch(struct blake2s_state *state,const u8 *block,
+			   size_t nblocks, const u32 inc);
+
+bool blake2s_selftest(void);
+
+static inline void blake2s_set_lastblock(struct blake2s_state *state)
+{
+	state->f[0] = -1;
+}
+
+typedef void (*blake2s_compress_t)(struct blake2s_state *state,
+				   const u8 *block, size_t nblocks, u32 inc);
+
+/* Helper functions for BLAKE2s shared by the library and shash APIs */
+
+static inline void __blake2s_update(struct blake2s_state *state,
+				    const u8 *in, size_t inlen,
+				    blake2s_compress_t compress)
+{
+	const size_t fill = BLAKE2S_BLOCK_SIZE - state->buflen;
+
+	if (unlikely(!inlen))
+		return;
+	if (inlen > fill) {
+		memcpy(state->buf + state->buflen, in, fill);
+		(*compress)(state, state->buf, 1, BLAKE2S_BLOCK_SIZE);
+		state->buflen = 0;
+		in += fill;
+		inlen -= fill;
+	}
+	if (inlen > BLAKE2S_BLOCK_SIZE) {
+		const size_t nblocks = DIV_ROUND_UP(inlen, BLAKE2S_BLOCK_SIZE);
+		/* Hash one less (full) block than strictly possible */
+		(*compress)(state, in, nblocks - 1, BLAKE2S_BLOCK_SIZE);
+		in += BLAKE2S_BLOCK_SIZE * (nblocks - 1);
+		inlen -= BLAKE2S_BLOCK_SIZE * (nblocks - 1);
+	}
+	memcpy(state->buf + state->buflen, in, inlen);
+	state->buflen += inlen;
+}
+
+static inline void __blake2s_final(struct blake2s_state *state, u8 *out,
+				   blake2s_compress_t compress)
+{
+	blake2s_set_lastblock(state);
+	memset(state->buf + state->buflen, 0,
+	       BLAKE2S_BLOCK_SIZE - state->buflen); /* Padding */
+	(*compress)(state, state->buf, 1, state->buflen);
+	cpu_to_le32_array(state->h, ARRAY_SIZE(state->h));
+	memcpy(out, state->h, state->outlen);
+}
+
+/* Helper functions for shash implementations of BLAKE2s */
+
+struct blake2s_tfm_ctx {
+	u8 key[BLAKE2S_KEY_SIZE];
+	unsigned int keylen;
+};
+
+static inline int crypto_blake2s_setkey(struct crypto_shash *tfm,
+					const u8 *key, unsigned int keylen)
+{
+	struct blake2s_tfm_ctx *tctx = crypto_shash_ctx(tfm);
+
+	if (keylen == 0 || keylen > BLAKE2S_KEY_SIZE)
+		return -EINVAL;
+
+	memcpy(tctx->key, key, keylen);
+	tctx->keylen = keylen;
+
+	return 0;
+}
+
+static inline int crypto_blake2s_init(struct shash_desc *desc)
+{
+	const struct blake2s_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);
+	struct blake2s_state *state = shash_desc_ctx(desc);
+	unsigned int outlen = crypto_shash_digestsize(desc->tfm);
+
+	__blake2s_init(state, outlen, tctx->key, tctx->keylen);
+	return 0;
+}
+
+static inline int crypto_blake2s_update(struct shash_desc *desc,
+					const u8 *in, unsigned int inlen,
+					blake2s_compress_t compress)
+{
+	struct blake2s_state *state = shash_desc_ctx(desc);
+
+	__blake2s_update(state, in, inlen, compress);
+	return 0;
+}
+
+static inline int crypto_blake2s_final(struct shash_desc *desc, u8 *out,
+				       blake2s_compress_t compress)
+{
+	struct blake2s_state *state = shash_desc_ctx(desc);
+
+	__blake2s_final(state, out, compress);
+	return 0;
+}
+
+#endif /* _CRYPTO_INTERNAL_BLAKE2S_H */

lib/crypto/Kconfig

@@ -0,0 +1,40 @@
+# SPDX-License-Identifier: GPL-2.0
+
+comment "Crypto library routines"
+
+config CRYPTO_LIB_AES
+	tristate
+
+config CRYPTO_LIB_ARC4
+	tristate
+
+config CRYPTO_ARCH_HAVE_LIB_BLAKE2S
+	tristate
+	help
+	  Declares whether the architecture provides an arch-specific
+	  accelerated implementation of the Blake2s library interface,
+	  either builtin or as a module.
+
+config CRYPTO_LIB_BLAKE2S_GENERIC
+	tristate
+	help
+	  This symbol can be depended upon by arch implementations of the
+	  Blake2s library interface that require the generic code as a
+	  fallback, e.g., for SIMD implementations. If no arch specific
+	  implementation is enabled, this implementation serves the users
+	  of CRYPTO_LIB_BLAKE2S.
+
+config CRYPTO_LIB_BLAKE2S
+	tristate "BLAKE2s hash function library"
+	depends on CRYPTO_ARCH_HAVE_LIB_BLAKE2S || !CRYPTO_ARCH_HAVE_LIB_BLAKE2S
+	select CRYPTO_LIB_BLAKE2S_GENERIC if CRYPTO_ARCH_HAVE_LIB_BLAKE2S=n
+	help
+	  Enable the Blake2s library interface. This interface may be fulfilled
+	  by either the generic implementation or an arch-specific one, if one
+	  is available and enabled.
+
+config CRYPTO_LIB_DES
+	tristate
+
+config CRYPTO_LIB_SHA256
+	tristate

lib/crypto/Makefile

@@ -1,13 +1,23 @@
 # SPDX-License-Identifier: GPL-2.0
 
-obj-$(CONFIG_CRYPTO_LIB_AES) += libaes.o
-libaes-y := aes.o
+obj-$(CONFIG_CRYPTO_LIB_AES)			+= libaes.o
+libaes-y					:= aes.o
 
-obj-$(CONFIG_CRYPTO_LIB_ARC4) += libarc4.o
-libarc4-y := arc4.o
+obj-$(CONFIG_CRYPTO_LIB_ARC4)			+= libarc4.o
+libarc4-y					:= arc4.o
 
-obj-$(CONFIG_CRYPTO_LIB_DES) += libdes.o
-libdes-y := des.o
+obj-$(CONFIG_CRYPTO_LIB_BLAKE2S_GENERIC)	+= libblake2s-generic.o
+libblake2s-generic-y				+= blake2s-generic.o
 
-obj-$(CONFIG_CRYPTO_LIB_SHA256) += libsha256.o
-libsha256-y := sha256.o
+obj-$(CONFIG_CRYPTO_LIB_BLAKE2S)		+= libblake2s.o
+libblake2s-y					+= blake2s.o
+
+obj-$(CONFIG_CRYPTO_LIB_DES)			+= libdes.o
+libdes-y					:= des.o
+
+obj-$(CONFIG_CRYPTO_LIB_SHA256)			+= libsha256.o
+libsha256-y					:= sha256.o
+
+ifneq ($(CONFIG_CRYPTO_MANAGER_DISABLE_TESTS),y)
+libblake2s-y					+= blake2s-selftest.o
+endif

lib/crypto/blake2s-generic.c

@@ -0,0 +1,111 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ *
+ * This is an implementation of the BLAKE2s hash and PRF functions.
+ *
+ * Information: https://blake2.net/
+ *
+ */
+
+#include <crypto/internal/blake2s.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/bug.h>
+#include <asm/unaligned.h>
+
+static const u8 blake2s_sigma[10][16] = {
+	{ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
+	{ 14, 10, 4, 8, 9, 15, 13, 6, 1, 12, 0, 2, 11, 7, 5, 3 },
+	{ 11, 8, 12, 0, 5, 2, 15, 13, 10, 14, 3, 6, 7, 1, 9, 4 },
+	{ 7, 9, 3, 1, 13, 12, 11, 14, 2, 6, 5, 10, 4, 0, 15, 8 },
+	{ 9, 0, 5, 7, 2, 4, 10, 15, 14, 1, 11, 12, 6, 8, 3, 13 },
+	{ 2, 12, 6, 10, 0, 11, 8, 3, 4, 13, 7, 5, 15, 14, 1, 9 },
+	{ 12, 5, 1, 15, 14, 13, 4, 10, 0, 7, 6, 3, 9, 2, 8, 11 },
+	{ 13, 11, 7, 14, 12, 1, 3, 9, 5, 0, 15, 4, 8, 6, 2, 10 },
+	{ 6, 15, 14, 9, 11, 3, 0, 8, 12, 2, 13, 7, 1, 4, 10, 5 },
+	{ 10, 2, 8, 4, 7, 6, 1, 5, 15, 11, 9, 14, 3, 12, 13, 0 },
+};
+
+static inline void blake2s_increment_counter(struct blake2s_state *state,
+					     const u32 inc)
+{
+	state->t[0] += inc;
+	state->t[1] += (state->t[0] < inc);
+}
+
+void blake2s_compress_generic(struct blake2s_state *state,const u8 *block,
+			      size_t nblocks, const u32 inc)
+{
+	u32 m[16];
+	u32 v[16];
+	int i;
+
+	WARN_ON(IS_ENABLED(DEBUG) &&
+		(nblocks > 1 && inc != BLAKE2S_BLOCK_SIZE));
+
+	while (nblocks > 0) {
+		blake2s_increment_counter(state, inc);
+		memcpy(m, block, BLAKE2S_BLOCK_SIZE);
+		le32_to_cpu_array(m, ARRAY_SIZE(m));
+		memcpy(v, state->h, 32);
+		v[ 8] = BLAKE2S_IV0;
+		v[ 9] = BLAKE2S_IV1;
+		v[10] = BLAKE2S_IV2;
+		v[11] = BLAKE2S_IV3;
+		v[12] = BLAKE2S_IV4 ^ state->t[0];
+		v[13] = BLAKE2S_IV5 ^ state->t[1];
+		v[14] = BLAKE2S_IV6 ^ state->f[0];
+		v[15] = BLAKE2S_IV7 ^ state->f[1];
+
+#define G(r, i, a, b, c, d) do { \
+	a += b + m[blake2s_sigma[r][2 * i + 0]]; \
+	d = ror32(d ^ a, 16); \
+	c += d; \
+	b = ror32(b ^ c, 12); \
+	a += b + m[blake2s_sigma[r][2 * i + 1]]; \
+	d = ror32(d ^ a, 8); \
+	c += d; \
+	b = ror32(b ^ c, 7); \
+} while (0)
+
+#define ROUND(r) do { \
+	G(r, 0, v[0], v[ 4], v[ 8], v[12]); \
+	G(r, 1, v[1], v[ 5], v[ 9], v[13]); \
+	G(r, 2, v[2], v[ 6], v[10], v[14]); \
+	G(r, 3, v[3], v[ 7], v[11], v[15]); \
+	G(r, 4, v[0], v[ 5], v[10], v[15]); \
+	G(r, 5, v[1], v[ 6], v[11], v[12]); \
+	G(r, 6, v[2], v[ 7], v[ 8], v[13]); \
+	G(r, 7, v[3], v[ 4], v[ 9], v[14]); \
+} while (0)
+		ROUND(0);
+		ROUND(1);
+		ROUND(2);
+		ROUND(3);
+		ROUND(4);
+		ROUND(5);
+		ROUND(6);
+		ROUND(7);
+		ROUND(8);
+		ROUND(9);
+
+#undef G
+#undef ROUND
+
+		for (i = 0; i < 8; ++i)
+			state->h[i] ^= v[i] ^ v[i + 8];
+
+		block += BLAKE2S_BLOCK_SIZE;
+		--nblocks;
+	}
+}
+
+EXPORT_SYMBOL(blake2s_compress_generic);
+
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("BLAKE2s hash function");
+MODULE_AUTHOR("Jason A. Donenfeld <Jason@zx2c4.com>");

lib/crypto/blake2s-selftest.c

@@ -0,0 +1,622 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ */
+
+#include <crypto/internal/blake2s.h>
+#include <linux/string.h>
+
+/*
+ * blake2s_testvecs[] generated with the program below (using libb2-dev and
+ * libssl-dev [OpenSSL])
+ *
+ * #include <blake2.h>
+ * #include <stdint.h>
+ * #include <stdio.h>
+ *
+ * #include <openssl/evp.h>
+ * #include <openssl/hmac.h>
+ *
+ * #define BLAKE2S_TESTVEC_COUNT	256
+ *
+ * static void print_vec(const uint8_t vec[], int len)
+ * {
+ *	int i;
+ *
+ *	printf("  { ");
+ *	for (i = 0; i < len; i++) {
+ *		if (i && (i % 12) == 0)
+ *			printf("\n    ");
+ *		printf("0x%02x, ", vec[i]);
+ *	}
+ *	printf("},\n");
+ * }
+ *
+ * int main(void)
+ * {
+ *	uint8_t key[BLAKE2S_KEYBYTES];
+ *	uint8_t buf[BLAKE2S_TESTVEC_COUNT];
+ *	uint8_t hash[BLAKE2S_OUTBYTES];
+ *	int i, j;
+ *
+ *	key[0] = key[1] = 1;
+ *	for (i = 2; i < BLAKE2S_KEYBYTES; ++i)
+ *		key[i] = key[i - 2] + key[i - 1];
+ *
+ *	for (i = 0; i < BLAKE2S_TESTVEC_COUNT; ++i)
+ *		buf[i] = (uint8_t)i;
+ *
+ *	printf("static const u8 blake2s_testvecs[][BLAKE2S_HASH_SIZE] __initconst = {\n");
+ *
+ *	for (i = 0; i < BLAKE2S_TESTVEC_COUNT; ++i) {
+ *		int outlen = 1 + i % BLAKE2S_OUTBYTES;
+ *		int keylen = (13 * i) % (BLAKE2S_KEYBYTES + 1);
+ *
+ *		blake2s(hash, buf, key + BLAKE2S_KEYBYTES - keylen, outlen, i,
+ *			keylen);
+ *		print_vec(hash, outlen);
+ *	}
+ *	printf("};\n\n");
+ *
+ *	printf("static const u8 blake2s_hmac_testvecs[][BLAKE2S_HASH_SIZE] __initconst = {\n");
+ *
+ *	HMAC(EVP_blake2s256(), key, sizeof(key), buf, sizeof(buf), hash, NULL);
+ *	print_vec(hash, BLAKE2S_OUTBYTES);
+ *
+ *	HMAC(EVP_blake2s256(), buf, sizeof(buf), key, sizeof(key), hash, NULL);
+ *	print_vec(hash, BLAKE2S_OUTBYTES);
+ *
+ *	printf("};\n");
+ *
+ *	return 0;
+ *}
+ */
+static const u8 blake2s_testvecs[][BLAKE2S_HASH_SIZE] __initconst = {
+  { 0xa1, },
+  { 0x7c, 0x89, },
+  { 0x74, 0x0e, 0xd4, },
+  { 0x47, 0x0c, 0x21, 0x15, },
+  { 0x18, 0xd6, 0x9c, 0xa6, 0xc4, },
+  { 0x13, 0x5d, 0x16, 0x63, 0x2e, 0xf9, },
+  { 0x2c, 0xb5, 0x04, 0xb7, 0x99, 0xe2, 0x73, },
+  { 0x9a, 0x0f, 0xd2, 0x39, 0xd6, 0x68, 0x1b, 0x92, },
+  { 0xc8, 0xde, 0x7a, 0xea, 0x2f, 0xf4, 0xd2, 0xe3, 0x2b, },
+  { 0x5b, 0xf9, 0x43, 0x52, 0x0c, 0x12, 0xba, 0xb5, 0x93, 0x9f, },
+  { 0xc6, 0x2c, 0x4e, 0x80, 0xfc, 0x32, 0x5b, 0x33, 0xb8, 0xb8, 0x0a, },
+  { 0xa7, 0x5c, 0xfd, 0x3a, 0xcc, 0xbf, 0x90, 0xca, 0xb7, 0x97, 0xde, 0xd8, },
+  { 0x66, 0xca, 0x3c, 0xc4, 0x19, 0xef, 0x92, 0x66, 0x3f, 0x21, 0x8f, 0xda,
+    0xb7, },
+  { 0xba, 0xe5, 0xbb, 0x30, 0x25, 0x94, 0x6d, 0xc3, 0x89, 0x09, 0xc4, 0x25,
+    0x52, 0x3e, },
+  { 0xa2, 0xef, 0x0e, 0x52, 0x0b, 0x5f, 0xa2, 0x01, 0x6d, 0x0a, 0x25, 0xbc,
+    0x57, 0xe2, 0x27, },
+  { 0x4f, 0xe0, 0xf9, 0x52, 0x12, 0xda, 0x84, 0xb7, 0xab, 0xae, 0xb0, 0xa6,
+    0x47, 0x2a, 0xc7, 0xf5, },
+  { 0x56, 0xe7, 0xa8, 0x1c, 0x4c, 0xca, 0xed, 0x90, 0x31, 0xec, 0x87, 0x43,
+    0xe7, 0x72, 0x08, 0xec, 0xbe, },
+  { 0x7e, 0xdf, 0x80, 0x1c, 0x93, 0x33, 0xfd, 0x53, 0x44, 0xba, 0xfd, 0x96,
+    0xe1, 0xbb, 0xb5, 0x65, 0xa5, 0x00, },
+  { 0xec, 0x6b, 0xed, 0xf7, 0x7b, 0x62, 0x1d, 0x7d, 0xf4, 0x82, 0xf3, 0x1e,
+    0x18, 0xff, 0x2b, 0xc4, 0x06, 0x20, 0x2a, },
+  { 0x74, 0x98, 0xd7, 0x68, 0x63, 0xed, 0x87, 0xe4, 0x5d, 0x8d, 0x9e, 0x1d,
+    0xfd, 0x2a, 0xbb, 0x86, 0xac, 0xe9, 0x2a, 0x89, },
+  { 0x89, 0xc3, 0x88, 0xce, 0x2b, 0x33, 0x1e, 0x10, 0xd1, 0x37, 0x20, 0x86,
+    0x28, 0x43, 0x70, 0xd9, 0xfb, 0x96, 0xd9, 0xb5, 0xd3, },
+  { 0xcb, 0x56, 0x74, 0x41, 0x8d, 0x80, 0x01, 0x9a, 0x6b, 0x38, 0xe1, 0x41,
+    0xad, 0x9c, 0x62, 0x74, 0xce, 0x35, 0xd5, 0x6c, 0x89, 0x6e, },
+  { 0x79, 0xaf, 0x94, 0x59, 0x99, 0x26, 0xe1, 0xc9, 0x34, 0xfe, 0x7c, 0x22,
+    0xf7, 0x43, 0xd7, 0x65, 0xd4, 0x48, 0x18, 0xac, 0x3d, 0xfd, 0x93, },
+  { 0x85, 0x0d, 0xff, 0xb8, 0x3e, 0x87, 0x41, 0xb0, 0x95, 0xd3, 0x3d, 0x00,
+    0x47, 0x55, 0x9e, 0xd2, 0x69, 0xea, 0xbf, 0xe9, 0x7a, 0x2d, 0x61, 0x45, },
+  { 0x03, 0xe0, 0x85, 0xec, 0x54, 0xb5, 0x16, 0x53, 0xa8, 0xc4, 0x71, 0xe9,
+    0x6a, 0xe7, 0xcb, 0xc4, 0x15, 0x02, 0xfc, 0x34, 0xa4, 0xa4, 0x28, 0x13,
+    0xd1, },
+  { 0xe3, 0x34, 0x4b, 0xe1, 0xd0, 0x4b, 0x55, 0x61, 0x8f, 0xc0, 0x24, 0x05,
+    0xe6, 0xe0, 0x3d, 0x70, 0x24, 0x4d, 0xda, 0xb8, 0x91, 0x05, 0x29, 0x07,
+    0x01, 0x3e, },
+  { 0x61, 0xff, 0x01, 0x72, 0xb1, 0x4d, 0xf6, 0xfe, 0xd1, 0xd1, 0x08, 0x74,
+    0xe6, 0x91, 0x44, 0xeb, 0x61, 0xda, 0x40, 0xaf, 0xfc, 0x8c, 0x91, 0x6b,
+    0xec, 0x13, 0xed, },
+  { 0xd4, 0x40, 0xd2, 0xa0, 0x7f, 0xc1, 0x58, 0x0c, 0x85, 0xa0, 0x86, 0xc7,
+    0x86, 0xb9, 0x61, 0xc9, 0xea, 0x19, 0x86, 0x1f, 0xab, 0x07, 0xce, 0x37,
+    0x72, 0x67, 0x09, 0xfc, },
+  { 0x9e, 0xf8, 0x18, 0x67, 0x93, 0x10, 0x9b, 0x39, 0x75, 0xe8, 0x8b, 0x38,
+    0x82, 0x7d, 0xb8, 0xb7, 0xa5, 0xaf, 0xe6, 0x6a, 0x22, 0x5e, 0x1f, 0x9c,
+    0x95, 0x29, 0x19, 0xf2, 0x4b, },
+  { 0xc8, 0x62, 0x25, 0xf5, 0x98, 0xc9, 0xea, 0xe5, 0x29, 0x3a, 0xd3, 0x22,
+    0xeb, 0xeb, 0x07, 0x7c, 0x15, 0x07, 0xee, 0x15, 0x61, 0xbb, 0x05, 0x30,
+    0x99, 0x7f, 0x11, 0xf6, 0x0a, 0x1d, },
+  { 0x68, 0x70, 0xf7, 0x90, 0xa1, 0x8b, 0x1f, 0x0f, 0xbb, 0xce, 0xd2, 0x0e,
+    0x33, 0x1f, 0x7f, 0xa9, 0x78, 0xa8, 0xa6, 0x81, 0x66, 0xab, 0x8d, 0xcd,
+    0x58, 0x55, 0x3a, 0x0b, 0x7a, 0xdb, 0xb5, },
+  { 0xdd, 0x35, 0xd2, 0xb4, 0xf6, 0xc7, 0xea, 0xab, 0x64, 0x24, 0x4e, 0xfe,
+    0xe5, 0x3d, 0x4e, 0x95, 0x8b, 0x6d, 0x6c, 0xbc, 0xb0, 0xf8, 0x88, 0x61,
+    0x09, 0xb7, 0x78, 0xa3, 0x31, 0xfe, 0xd9, 0x2f, },
+  { 0x0a, },
+  { 0x6e, 0xd4, },
+  { 0x64, 0xe9, 0xd1, },
+  { 0x30, 0xdd, 0x71, 0xef, },
+  { 0x11, 0xb5, 0x0c, 0x87, 0xc9, },
+  { 0x06, 0x1c, 0x6d, 0x04, 0x82, 0xd0, },
+  { 0x5c, 0x42, 0x0b, 0xee, 0xc5, 0x9c, 0xb2, },
+  { 0xe8, 0x29, 0xd6, 0xb4, 0x5d, 0xf7, 0x2b, 0x93, },
+  { 0x18, 0xca, 0x27, 0x72, 0x43, 0x39, 0x16, 0xbc, 0x6a, },
+  { 0x39, 0x8f, 0xfd, 0x64, 0xf5, 0x57, 0x23, 0xb0, 0x45, 0xf8, },
+  { 0xbb, 0x3a, 0x78, 0x6b, 0x02, 0x1d, 0x0b, 0x16, 0xe3, 0xb2, 0x9a, },
+  { 0xb8, 0xb4, 0x0b, 0xe5, 0xd4, 0x1d, 0x0d, 0x85, 0x49, 0x91, 0x35, 0xfa, },
+  { 0x6d, 0x48, 0x2a, 0x0c, 0x42, 0x08, 0xbd, 0xa9, 0x78, 0x6f, 0x18, 0xaf,
+    0xe2, },
+  { 0x10, 0x45, 0xd4, 0x58, 0x88, 0xec, 0x4e, 0x1e, 0xf6, 0x14, 0x92, 0x64,
+    0x7e, 0xb0, },
+  { 0x8b, 0x0b, 0x95, 0xee, 0x92, 0xc6, 0x3b, 0x91, 0xf1, 0x1e, 0xeb, 0x51,
+    0x98, 0x0a, 0x8d, },
+  { 0xa3, 0x50, 0x4d, 0xa5, 0x1d, 0x03, 0x68, 0xe9, 0x57, 0x78, 0xd6, 0x04,
+    0xf1, 0xc3, 0x94, 0xd8, },
+  { 0xb8, 0x66, 0x6e, 0xdd, 0x46, 0x15, 0xae, 0x3d, 0x83, 0x7e, 0xcf, 0xe7,
+    0x2c, 0xe8, 0x8f, 0xc7, 0x34, },
+  { 0x2e, 0xc0, 0x1f, 0x29, 0xea, 0xf6, 0xb9, 0xe2, 0xc2, 0x93, 0xeb, 0x41,
+    0x0d, 0xf0, 0x0a, 0x13, 0x0e, 0xa2, },
+  { 0x71, 0xb8, 0x33, 0xa9, 0x1b, 0xac, 0xf1, 0xb5, 0x42, 0x8f, 0x5e, 0x81,
+    0x34, 0x43, 0xb7, 0xa4, 0x18, 0x5c, 0x47, },
+  { 0xda, 0x45, 0xb8, 0x2e, 0x82, 0x1e, 0xc0, 0x59, 0x77, 0x9d, 0xfa, 0xb4,
+    0x1c, 0x5e, 0xa0, 0x2b, 0x33, 0x96, 0x5a, 0x58, },
+  { 0xe3, 0x09, 0x05, 0xa9, 0xeb, 0x48, 0x13, 0xad, 0x71, 0x88, 0x81, 0x9a,
+    0x3e, 0x2c, 0xe1, 0x23, 0x99, 0x13, 0x35, 0x9f, 0xb5, },
+  { 0xb7, 0x86, 0x2d, 0x16, 0xe1, 0x04, 0x00, 0x47, 0x47, 0x61, 0x31, 0xfb,
+    0x14, 0xac, 0xd8, 0xe9, 0xe3, 0x49, 0xbd, 0xf7, 0x9c, 0x3f, },
+  { 0x7f, 0xd9, 0x95, 0xa8, 0xa7, 0xa0, 0xcc, 0xba, 0xef, 0xb1, 0x0a, 0xa9,
+    0x21, 0x62, 0x08, 0x0f, 0x1b, 0xff, 0x7b, 0x9d, 0xae, 0xb2, 0x95, },
+  { 0x85, 0x99, 0xea, 0x33, 0xe0, 0x56, 0xff, 0x13, 0xc6, 0x61, 0x8c, 0xf9,
+    0x57, 0x05, 0x03, 0x11, 0xf9, 0xfb, 0x3a, 0xf7, 0xce, 0xbb, 0x52, 0x30, },
+  { 0xb2, 0x72, 0x9c, 0xf8, 0x77, 0x4e, 0x8f, 0x6b, 0x01, 0x6c, 0xff, 0x4e,
+    0x4f, 0x02, 0xd2, 0xbc, 0xeb, 0x51, 0x28, 0x99, 0x50, 0xab, 0xc4, 0x42,
+    0xe3, },
+  { 0x8b, 0x0a, 0xb5, 0x90, 0x8f, 0xf5, 0x7b, 0xdd, 0xba, 0x47, 0x37, 0xc9,
+    0x2a, 0xd5, 0x4b, 0x25, 0x08, 0x8b, 0x02, 0x17, 0xa7, 0x9e, 0x6b, 0x6e,
+    0xe3, 0x90, },
+  { 0x90, 0xdd, 0xf7, 0x75, 0xa7, 0xa3, 0x99, 0x5e, 0x5b, 0x7d, 0x75, 0xc3,
+    0x39, 0x6b, 0xa0, 0xe2, 0x44, 0x53, 0xb1, 0x9e, 0xc8, 0xf1, 0x77, 0x10,
+    0x58, 0x06, 0x9a, },
+  { 0x99, 0x52, 0xf0, 0x49, 0xa8, 0x8c, 0xec, 0xa6, 0x97, 0x32, 0x13, 0xb5,
+    0xf7, 0xa3, 0x8e, 0xfb, 0x4b, 0x59, 0x31, 0x3d, 0x01, 0x59, 0x98, 0x5d,
+    0x53, 0x03, 0x1a, 0x39, },
+  { 0x9f, 0xe0, 0xc2, 0xe5, 0x5d, 0x93, 0xd6, 0x9b, 0x47, 0x8f, 0x9b, 0xe0,
+    0x26, 0x35, 0x84, 0x20, 0x1d, 0xc5, 0x53, 0x10, 0x0f, 0x22, 0xb9, 0xb5,
+    0xd4, 0x36, 0xb1, 0xac, 0x73, },
+  { 0x30, 0x32, 0x20, 0x3b, 0x10, 0x28, 0xec, 0x1f, 0x4f, 0x9b, 0x47, 0x59,
+    0xeb, 0x7b, 0xee, 0x45, 0xfb, 0x0c, 0x49, 0xd8, 0x3d, 0x69, 0xbd, 0x90,
+    0x2c, 0xf0, 0x9e, 0x8d, 0xbf, 0xd5, },
+  { 0x2a, 0x37, 0x73, 0x7f, 0xf9, 0x96, 0x19, 0xaa, 0x25, 0xd8, 0x13, 0x28,
+    0x01, 0x29, 0x89, 0xdf, 0x6e, 0x0c, 0x9b, 0x43, 0x44, 0x51, 0xe9, 0x75,
+    0x26, 0x0c, 0xb7, 0x87, 0x66, 0x0b, 0x5f, },
+  { 0x23, 0xdf, 0x96, 0x68, 0x91, 0x86, 0xd0, 0x93, 0x55, 0x33, 0x24, 0xf6,
+    0xba, 0x08, 0x75, 0x5b, 0x59, 0x11, 0x69, 0xb8, 0xb9, 0xe5, 0x2c, 0x77,
+    0x02, 0xf6, 0x47, 0xee, 0x81, 0xdd, 0xb9, 0x06, },
+  { 0x9d, },
+  { 0x9d, 0x7d, },
+  { 0xfd, 0xc3, 0xda, },
+  { 0xe8, 0x82, 0xcd, 0x21, },
+  { 0xc3, 0x1d, 0x42, 0x4c, 0x74, },
+  { 0xe9, 0xda, 0xf1, 0xa2, 0xe5, 0x7c, },
+  { 0x52, 0xb8, 0x6f, 0x81, 0x5c, 0x3a, 0x4c, },
+  { 0x5b, 0x39, 0x26, 0xfc, 0x92, 0x5e, 0xe0, 0x49, },
+  { 0x59, 0xe4, 0x7c, 0x93, 0x1c, 0xf9, 0x28, 0x93, 0xde, },
+  { 0xde, 0xdf, 0xb2, 0x43, 0x61, 0x0b, 0x86, 0x16, 0x4c, 0x2e, },
+  { 0x14, 0x8f, 0x75, 0x51, 0xaf, 0xb9, 0xee, 0x51, 0x5a, 0xae, 0x23, },
+  { 0x43, 0x5f, 0x50, 0xd5, 0x70, 0xb0, 0x5b, 0x87, 0xf5, 0xd9, 0xb3, 0x6d, },
+  { 0x66, 0x0a, 0x64, 0x93, 0x79, 0x71, 0x94, 0x40, 0xb7, 0x68, 0x2d, 0xd3,
+    0x63, },
+  { 0x15, 0x00, 0xc4, 0x0c, 0x7d, 0x1b, 0x10, 0xa9, 0x73, 0x1b, 0x90, 0x6f,
+    0xe6, 0xa9, },
+  { 0x34, 0x75, 0xf3, 0x86, 0x8f, 0x56, 0xcf, 0x2a, 0x0a, 0xf2, 0x62, 0x0a,
+    0xf6, 0x0e, 0x20, },
+  { 0xb1, 0xde, 0xc9, 0xf5, 0xdb, 0xf3, 0x2f, 0x4c, 0xd6, 0x41, 0x7d, 0x39,
+    0x18, 0x3e, 0xc7, 0xc3, },
+  { 0xc5, 0x89, 0xb2, 0xf8, 0xb8, 0xc0, 0xa3, 0xb9, 0x3b, 0x10, 0x6d, 0x7c,
+    0x92, 0xfc, 0x7f, 0x34, 0x41, },
+  { 0xc4, 0xd8, 0xef, 0xba, 0xef, 0xd2, 0xaa, 0xc5, 0x6c, 0x8e, 0x3e, 0xbb,
+    0x12, 0xfc, 0x0f, 0x72, 0xbf, 0x0f, },
+  { 0xdd, 0x91, 0xd1, 0x15, 0x9e, 0x7d, 0xf8, 0xc1, 0xb9, 0x14, 0x63, 0x96,
+    0xb5, 0xcb, 0x83, 0x1d, 0x35, 0x1c, 0xec, },
+  { 0xa9, 0xf8, 0x52, 0xc9, 0x67, 0x76, 0x2b, 0xad, 0xfb, 0xd8, 0x3a, 0xa6,
+    0x74, 0x02, 0xae, 0xb8, 0x25, 0x2c, 0x63, 0x49, },
+  { 0x77, 0x1f, 0x66, 0x70, 0xfd, 0x50, 0x29, 0xaa, 0xeb, 0xdc, 0xee, 0xba,
+    0x75, 0x98, 0xdc, 0x93, 0x12, 0x3f, 0xdc, 0x7c, 0x38, },
+  { 0xe2, 0xe1, 0x89, 0x5c, 0x37, 0x38, 0x6a, 0xa3, 0x40, 0xac, 0x3f, 0xb0,
+    0xca, 0xfc, 0xa7, 0xf3, 0xea, 0xf9, 0x0f, 0x5d, 0x8e, 0x39, },
+  { 0x0f, 0x67, 0xc8, 0x38, 0x01, 0xb1, 0xb7, 0xb8, 0xa2, 0xe7, 0x0a, 0x6d,
+    0xd2, 0x63, 0x69, 0x9e, 0xcc, 0xf0, 0xf2, 0xbe, 0x9b, 0x98, 0xdd, },
+  { 0x13, 0xe1, 0x36, 0x30, 0xfe, 0xc6, 0x01, 0x8a, 0xa1, 0x63, 0x96, 0x59,
+    0xc2, 0xa9, 0x68, 0x3f, 0x58, 0xd4, 0x19, 0x0c, 0x40, 0xf3, 0xde, 0x02, },
+  { 0xa3, 0x9e, 0xce, 0xda, 0x42, 0xee, 0x8c, 0x6c, 0x5a, 0x7d, 0xdc, 0x89,
+    0x02, 0x77, 0xdd, 0xe7, 0x95, 0xbb, 0xff, 0x0d, 0xa4, 0xb5, 0x38, 0x1e,
+    0xaf, },
+  { 0x9a, 0xf6, 0xb5, 0x9a, 0x4f, 0xa9, 0x4f, 0x2c, 0x35, 0x3c, 0x24, 0xdc,
+    0x97, 0x6f, 0xd9, 0xa1, 0x7d, 0x1a, 0x85, 0x0b, 0xf5, 0xda, 0x2e, 0xe7,
+    0xb1, 0x1d, },
+  { 0x84, 0x1e, 0x8e, 0x3d, 0x45, 0xa5, 0xf2, 0x27, 0xf3, 0x31, 0xfe, 0xb9,
+    0xfb, 0xc5, 0x45, 0x99, 0x99, 0xdd, 0x93, 0x43, 0x02, 0xee, 0x58, 0xaf,
+    0xee, 0x6a, 0xbe, },
+  { 0x07, 0x2f, 0xc0, 0xa2, 0x04, 0xc4, 0xab, 0x7c, 0x26, 0xbb, 0xa8, 0xd8,
+    0xe3, 0x1c, 0x75, 0x15, 0x64, 0x5d, 0x02, 0x6a, 0xf0, 0x86, 0xe9, 0xcd,
+    0x5c, 0xef, 0xa3, 0x25, },
+  { 0x2f, 0x3b, 0x1f, 0xb5, 0x91, 0x8f, 0x86, 0xe0, 0xdc, 0x31, 0x48, 0xb6,
+    0xa1, 0x8c, 0xfd, 0x75, 0xbb, 0x7d, 0x3d, 0xc1, 0xf0, 0x10, 0x9a, 0xd8,
+    0x4b, 0x0e, 0xe3, 0x94, 0x9f, },
+  { 0x29, 0xbb, 0x8f, 0x6c, 0xd1, 0xf2, 0xb6, 0xaf, 0xe5, 0xe3, 0x2d, 0xdc,
+    0x6f, 0xa4, 0x53, 0x88, 0xd8, 0xcf, 0x4d, 0x45, 0x42, 0x62, 0xdb, 0xdf,
+    0xf8, 0x45, 0xc2, 0x13, 0xec, 0x35, },
+  { 0x06, 0x3c, 0xe3, 0x2c, 0x15, 0xc6, 0x43, 0x03, 0x81, 0xfb, 0x08, 0x76,
+    0x33, 0xcb, 0x02, 0xc1, 0xba, 0x33, 0xe5, 0xe0, 0xd1, 0x92, 0xa8, 0x46,
+    0x28, 0x3f, 0x3e, 0x9d, 0x2c, 0x44, 0x54, },
+  { 0xea, 0xbb, 0x96, 0xf8, 0xd1, 0x8b, 0x04, 0x11, 0x40, 0x78, 0x42, 0x02,
+    0x19, 0xd1, 0xbc, 0x65, 0x92, 0xd3, 0xc3, 0xd6, 0xd9, 0x19, 0xe7, 0xc3,
+    0x40, 0x97, 0xbd, 0xd4, 0xed, 0xfa, 0x5e, 0x28, },
+  { 0x02, },
+  { 0x52, 0xa8, },
+  { 0x38, 0x25, 0x0d, },
+  { 0xe3, 0x04, 0xd4, 0x92, },
+  { 0x97, 0xdb, 0xf7, 0x81, 0xca, },
+  { 0x8a, 0x56, 0x9d, 0x62, 0x56, 0xcc, },
+  { 0xa1, 0x8e, 0x3c, 0x72, 0x8f, 0x63, 0x03, },
+  { 0xf7, 0xf3, 0x39, 0x09, 0x0a, 0xa1, 0xbb, 0x23, },
+  { 0x6b, 0x03, 0xc0, 0xe9, 0xd9, 0x83, 0x05, 0x22, 0x01, },
+  { 0x1b, 0x4b, 0xf5, 0xd6, 0x4f, 0x05, 0x75, 0x91, 0x4c, 0x7f, },
+  { 0x4c, 0x8c, 0x25, 0x20, 0x21, 0xcb, 0xc2, 0x4b, 0x3a, 0x5b, 0x8d, },
+  { 0x56, 0xe2, 0x77, 0xa0, 0xb6, 0x9f, 0x81, 0xec, 0x83, 0x75, 0xc4, 0xf9, },
+  { 0x71, 0x70, 0x0f, 0xad, 0x4d, 0x35, 0x81, 0x9d, 0x88, 0x69, 0xf9, 0xaa,
+    0xd3, },
+  { 0x50, 0x6e, 0x86, 0x6e, 0x43, 0xc0, 0xc2, 0x44, 0xc2, 0xe2, 0xa0, 0x1c,
+    0xb7, 0x9a, },
+  { 0xe4, 0x7e, 0x72, 0xc6, 0x12, 0x8e, 0x7c, 0xfc, 0xbd, 0xe2, 0x08, 0x31,
+    0x3d, 0x47, 0x3d, },
+  { 0x08, 0x97, 0x5b, 0x80, 0xae, 0xc4, 0x1d, 0x50, 0x77, 0xdf, 0x1f, 0xd0,
+    0x24, 0xf0, 0x17, 0xc0, },
+  { 0x01, 0xb6, 0x29, 0xf4, 0xaf, 0x78, 0x5f, 0xb6, 0x91, 0xdd, 0x76, 0x76,
+    0xd2, 0xfd, 0x0c, 0x47, 0x40, },
+  { 0xa1, 0xd8, 0x09, 0x97, 0x7a, 0xa6, 0xc8, 0x94, 0xf6, 0x91, 0x7b, 0xae,
+    0x2b, 0x9f, 0x0d, 0x83, 0x48, 0xf7, },
+  { 0x12, 0xd5, 0x53, 0x7d, 0x9a, 0xb0, 0xbe, 0xd9, 0xed, 0xe9, 0x9e, 0xee,
+    0x61, 0x5b, 0x42, 0xf2, 0xc0, 0x73, 0xc0, },
+  { 0xd5, 0x77, 0xd6, 0x5c, 0x6e, 0xa5, 0x69, 0x2b, 0x3b, 0x8c, 0xd6, 0x7d,
+    0x1d, 0xbe, 0x2c, 0xa1, 0x02, 0x21, 0xcd, 0x29, },
+  { 0xa4, 0x98, 0x80, 0xca, 0x22, 0xcf, 0x6a, 0xab, 0x5e, 0x40, 0x0d, 0x61,
+    0x08, 0x21, 0xef, 0xc0, 0x6c, 0x52, 0xb4, 0xb0, 0x53, },
+  { 0xbf, 0xaf, 0x8f, 0x3b, 0x7a, 0x97, 0x33, 0xe5, 0xca, 0x07, 0x37, 0xfd,
+    0x15, 0xdf, 0xce, 0x26, 0x2a, 0xb1, 0xa7, 0x0b, 0xb3, 0xac, },
+  { 0x16, 0x22, 0xe1, 0xbc, 0x99, 0x4e, 0x01, 0xf0, 0xfa, 0xff, 0x8f, 0xa5,
+    0x0c, 0x61, 0xb0, 0xad, 0xcc, 0xb1, 0xe1, 0x21, 0x46, 0xfa, 0x2e, },
+  { 0x11, 0x5b, 0x0b, 0x2b, 0xe6, 0x14, 0xc1, 0xd5, 0x4d, 0x71, 0x5e, 0x17,
+    0xea, 0x23, 0xdd, 0x6c, 0xbd, 0x1d, 0xbe, 0x12, 0x1b, 0xee, 0x4c, 0x1a, },
+  { 0x40, 0x88, 0x22, 0xf3, 0x20, 0x6c, 0xed, 0xe1, 0x36, 0x34, 0x62, 0x2c,
+    0x98, 0x83, 0x52, 0xe2, 0x25, 0xee, 0xe9, 0xf5, 0xe1, 0x17, 0xf0, 0x5c,
+    0xae, },
+  { 0xc3, 0x76, 0x37, 0xde, 0x95, 0x8c, 0xca, 0x2b, 0x0c, 0x23, 0xe7, 0xb5,
+    0x38, 0x70, 0x61, 0xcc, 0xff, 0xd3, 0x95, 0x7b, 0xf3, 0xff, 0x1f, 0x9d,
+    0x59, 0x00, },
+  { 0x0c, 0x19, 0x52, 0x05, 0x22, 0x53, 0xcb, 0x48, 0xd7, 0x10, 0x0e, 0x7e,
+    0x14, 0x69, 0xb5, 0xa2, 0x92, 0x43, 0xa3, 0x9e, 0x4b, 0x8f, 0x51, 0x2c,
+    0x5a, 0x2c, 0x3b, },
+  { 0xe1, 0x9d, 0x70, 0x70, 0x28, 0xec, 0x86, 0x40, 0x55, 0x33, 0x56, 0xda,
+    0x88, 0xca, 0xee, 0xc8, 0x6a, 0x20, 0xb1, 0xe5, 0x3d, 0x57, 0xf8, 0x3c,
+    0x10, 0x07, 0x2a, 0xc4, },
+  { 0x0b, 0xae, 0xf1, 0xc4, 0x79, 0xee, 0x1b, 0x3d, 0x27, 0x35, 0x8d, 0x14,
+    0xd6, 0xae, 0x4e, 0x3c, 0xe9, 0x53, 0x50, 0xb5, 0xcc, 0x0c, 0xf7, 0xdf,
+    0xee, 0xa1, 0x74, 0xd6, 0x71, },
+  { 0xe6, 0xa4, 0xf4, 0x99, 0x98, 0xb9, 0x80, 0xea, 0x96, 0x7f, 0x4f, 0x33,
+    0xcf, 0x74, 0x25, 0x6f, 0x17, 0x6c, 0xbf, 0xf5, 0x5c, 0x38, 0xd0, 0xff,
+    0x96, 0xcb, 0x13, 0xf9, 0xdf, 0xfd, },
+  { 0xbe, 0x92, 0xeb, 0xba, 0x44, 0x2c, 0x24, 0x74, 0xd4, 0x03, 0x27, 0x3c,
+    0x5d, 0x5b, 0x03, 0x30, 0x87, 0x63, 0x69, 0xe0, 0xb8, 0x94, 0xf4, 0x44,
+    0x7e, 0xad, 0xcd, 0x20, 0x12, 0x16, 0x79, },
+  { 0x30, 0xf1, 0xc4, 0x8e, 0x05, 0x90, 0x2a, 0x97, 0x63, 0x94, 0x46, 0xff,
+    0xce, 0xd8, 0x67, 0xa7, 0xac, 0x33, 0x8c, 0x95, 0xb7, 0xcd, 0xa3, 0x23,
+    0x98, 0x9d, 0x76, 0x6c, 0x9d, 0xa8, 0xd6, 0x8a, },
+  { 0xbe, },
+  { 0x17, 0x6c, },
+  { 0x1a, 0x42, 0x4f, },
+  { 0xba, 0xaf, 0xb7, 0x65, },
+  { 0xc2, 0x63, 0x43, 0x6a, 0xea, },
+  { 0xe4, 0x4d, 0xad, 0xf2, 0x0b, 0x02, },
+  { 0x04, 0xc7, 0xc4, 0x7f, 0xa9, 0x2b, 0xce, },
+  { 0x66, 0xf6, 0x67, 0xcb, 0x03, 0x53, 0xc8, 0xf1, },
+  { 0x56, 0xa3, 0x60, 0x78, 0xc9, 0x5f, 0x70, 0x1b, 0x5e, },
+  { 0x99, 0xff, 0x81, 0x7c, 0x13, 0x3c, 0x29, 0x79, 0x4b, 0x65, },
+  { 0x51, 0x10, 0x50, 0x93, 0x01, 0x93, 0xb7, 0x01, 0xc9, 0x18, 0xb7, },
+  { 0x8e, 0x3c, 0x42, 0x1e, 0x5e, 0x7d, 0xc1, 0x50, 0x70, 0x1f, 0x00, 0x98, },
+  { 0x5f, 0xd9, 0x9b, 0xc8, 0xd7, 0xb2, 0x72, 0x62, 0x1a, 0x1e, 0xba, 0x92,
+    0xe9, },
+  { 0x70, 0x2b, 0xba, 0xfe, 0xad, 0x5d, 0x96, 0x3f, 0x27, 0xc2, 0x41, 0x6d,
+    0xc4, 0xb3, },
+  { 0xae, 0xe0, 0xd5, 0xd4, 0xc7, 0xae, 0x15, 0x5e, 0xdc, 0xdd, 0x33, 0x60,
+    0xd7, 0xd3, 0x5e, },
+  { 0x79, 0x8e, 0xbc, 0x9e, 0x20, 0xb9, 0x19, 0x4b, 0x63, 0x80, 0xf3, 0x16,
+    0xaf, 0x39, 0xbd, 0x92, },
+  { 0xc2, 0x0e, 0x85, 0xa0, 0x0b, 0x9a, 0xb0, 0xec, 0xde, 0x38, 0xd3, 0x10,
+    0xd9, 0xa7, 0x66, 0x27, 0xcf, },
+  { 0x0e, 0x3b, 0x75, 0x80, 0x67, 0x14, 0x0c, 0x02, 0x90, 0xd6, 0xb3, 0x02,
+    0x81, 0xf6, 0xa6, 0x87, 0xce, 0x58, },
+  { 0x79, 0xb5, 0xe9, 0x5d, 0x52, 0x4d, 0xf7, 0x59, 0xf4, 0x2e, 0x27, 0xdd,
+    0xb3, 0xed, 0x57, 0x5b, 0x82, 0xea, 0x6f, },
+  { 0xa2, 0x97, 0xf5, 0x80, 0x02, 0x3d, 0xde, 0xa3, 0xf9, 0xf6, 0xab, 0xe3,
+    0x57, 0x63, 0x7b, 0x9b, 0x10, 0x42, 0x6f, 0xf2, },
+  { 0x12, 0x7a, 0xfc, 0xb7, 0x67, 0x06, 0x0c, 0x78, 0x1a, 0xfe, 0x88, 0x4f,
+    0xc6, 0xac, 0x52, 0x96, 0x64, 0x28, 0x97, 0x84, 0x06, },
+  { 0xc5, 0x04, 0x44, 0x6b, 0xb2, 0xa5, 0xa4, 0x66, 0xe1, 0x76, 0xa2, 0x51,
+    0xf9, 0x59, 0x69, 0x97, 0x56, 0x0b, 0xbf, 0x50, 0xb3, 0x34, },
+  { 0x21, 0x32, 0x6b, 0x42, 0xb5, 0xed, 0x71, 0x8d, 0xf7, 0x5a, 0x35, 0xe3,
+    0x90, 0xe2, 0xee, 0xaa, 0x89, 0xf6, 0xc9, 0x9c, 0x4d, 0x73, 0xf4, },
+  { 0x4c, 0xa6, 0x09, 0xf4, 0x48, 0xe7, 0x46, 0xbc, 0x49, 0xfc, 0xe5, 0xda,
+    0xd1, 0x87, 0x13, 0x17, 0x4c, 0x59, 0x71, 0x26, 0x5b, 0x2c, 0x42, 0xb7, },
+  { 0x13, 0x63, 0xf3, 0x40, 0x02, 0xe5, 0xa3, 0x3a, 0x5e, 0x8e, 0xf8, 0xb6,
+    0x8a, 0x49, 0x60, 0x76, 0x34, 0x72, 0x94, 0x73, 0xf6, 0xd9, 0x21, 0x6a,
+    0x26, },
+  { 0xdf, 0x75, 0x16, 0x10, 0x1b, 0x5e, 0x81, 0xc3, 0xc8, 0xde, 0x34, 0x24,
+    0xb0, 0x98, 0xeb, 0x1b, 0x8f, 0xa1, 0x9b, 0x05, 0xee, 0xa5, 0xe9, 0x35,
+    0xf4, 0x1d, },
+  { 0xcd, 0x21, 0x93, 0x6e, 0x5b, 0xa0, 0x26, 0x2b, 0x21, 0x0e, 0xa0, 0xb9,
+    0x1c, 0xb5, 0xbb, 0xb8, 0xf8, 0x1e, 0xff, 0x5c, 0xa8, 0xf9, 0x39, 0x46,
+    0x4e, 0x29, 0x26, },
+  { 0x73, 0x7f, 0x0e, 0x3b, 0x0b, 0x5c, 0xf9, 0x60, 0xaa, 0x88, 0xa1, 0x09,
+    0xb1, 0x5d, 0x38, 0x7b, 0x86, 0x8f, 0x13, 0x7a, 0x8d, 0x72, 0x7a, 0x98,
+    0x1a, 0x5b, 0xff, 0xc9, },
+  { 0xd3, 0x3c, 0x61, 0x71, 0x44, 0x7e, 0x31, 0x74, 0x98, 0x9d, 0x9a, 0xd2,
+    0x27, 0xf3, 0x46, 0x43, 0x42, 0x51, 0xd0, 0x5f, 0xe9, 0x1c, 0x5c, 0x69,
+    0xbf, 0xf6, 0xbe, 0x3c, 0x40, },
+  { 0x31, 0x99, 0x31, 0x9f, 0xaa, 0x43, 0x2e, 0x77, 0x3e, 0x74, 0x26, 0x31,
+    0x5e, 0x61, 0xf1, 0x87, 0xe2, 0xeb, 0x9b, 0xcd, 0xd0, 0x3a, 0xee, 0x20,
+    0x7e, 0x10, 0x0a, 0x0b, 0x7e, 0xfa, },
+  { 0xa4, 0x27, 0x80, 0x67, 0x81, 0x2a, 0xa7, 0x62, 0xf7, 0x6e, 0xda, 0xd4,
+    0x5c, 0x39, 0x74, 0xad, 0x7e, 0xbe, 0xad, 0xa5, 0x84, 0x7f, 0xa9, 0x30,
+    0x5d, 0xdb, 0xe2, 0x05, 0x43, 0xf7, 0x1b, },
+  { 0x0b, 0x37, 0xd8, 0x02, 0xe1, 0x83, 0xd6, 0x80, 0xf2, 0x35, 0xc2, 0xb0,
+    0x37, 0xef, 0xef, 0x5e, 0x43, 0x93, 0xf0, 0x49, 0x45, 0x0a, 0xef, 0xb5,
+    0x76, 0x70, 0x12, 0x44, 0xc4, 0xdb, 0xf5, 0x7a, },
+  { 0x1f, },
+  { 0x82, 0x60, },
+  { 0xcc, 0xe3, 0x08, },
+  { 0x56, 0x17, 0xe4, 0x59, },
+  { 0xe2, 0xd7, 0x9e, 0xc4, 0x4c, },
+  { 0xb2, 0xad, 0xd3, 0x78, 0x58, 0x5a, },
+  { 0xce, 0x43, 0xb4, 0x02, 0x96, 0xab, 0x3c, },
+  { 0xe6, 0x05, 0x1a, 0x73, 0x22, 0x32, 0xbb, 0x77, },
+  { 0x23, 0xe7, 0xda, 0xfe, 0x2c, 0xef, 0x8c, 0x22, 0xec, },
+  { 0xe9, 0x8e, 0x55, 0x38, 0xd1, 0xd7, 0x35, 0x23, 0x98, 0xc7, },
+  { 0xb5, 0x81, 0x1a, 0xe5, 0xb5, 0xa5, 0xd9, 0x4d, 0xca, 0x41, 0xe7, },
+  { 0x41, 0x16, 0x16, 0x95, 0x8d, 0x9e, 0x0c, 0xea, 0x8c, 0x71, 0x9a, 0xc1, },
+  { 0x7c, 0x33, 0xc0, 0xa4, 0x00, 0x62, 0xea, 0x60, 0x67, 0xe4, 0x20, 0xbc,
+    0x5b, },
+  { 0xdb, 0xb1, 0xdc, 0xfd, 0x08, 0xc0, 0xde, 0x82, 0xd1, 0xde, 0x38, 0xc0,
+    0x90, 0x48, },
+  { 0x37, 0x18, 0x2e, 0x0d, 0x61, 0xaa, 0x61, 0xd7, 0x86, 0x20, 0x16, 0x60,
+    0x04, 0xd9, 0xd5, },
+  { 0xb0, 0xcf, 0x2c, 0x4c, 0x5e, 0x5b, 0x4f, 0x2a, 0x23, 0x25, 0x58, 0x47,
+    0xe5, 0x31, 0x06, 0x70, },
+  { 0x91, 0xa0, 0xa3, 0x86, 0x4e, 0xe0, 0x72, 0x38, 0x06, 0x67, 0x59, 0x5c,
+    0x70, 0x25, 0xdb, 0x33, 0x27, },
+  { 0x44, 0x58, 0x66, 0xb8, 0x58, 0xc7, 0x13, 0xed, 0x4c, 0xc0, 0xf4, 0x9a,
+    0x1e, 0x67, 0x75, 0x33, 0xb6, 0xb8, },
+  { 0x7f, 0x98, 0x4a, 0x8e, 0x50, 0xa2, 0x5c, 0xcd, 0x59, 0xde, 0x72, 0xb3,
+    0x9d, 0xc3, 0x09, 0x8a, 0xab, 0x56, 0xf1, },
+  { 0x80, 0x96, 0x49, 0x1a, 0x59, 0xa2, 0xc5, 0xd5, 0xa7, 0x20, 0x8a, 0xb7,
+    0x27, 0x62, 0x84, 0x43, 0xc6, 0xe1, 0x1b, 0x5d, },
+  { 0x6b, 0xb7, 0x2b, 0x26, 0x62, 0x14, 0x70, 0x19, 0x3d, 0x4d, 0xac, 0xac,
+    0x63, 0x58, 0x5e, 0x94, 0xb5, 0xb7, 0xe8, 0xe8, 0xa2, },
+  { 0x20, 0xa8, 0xc0, 0xfd, 0x63, 0x3d, 0x6e, 0x98, 0xcf, 0x0c, 0x49, 0x98,
+    0xe4, 0x5a, 0xfe, 0x8c, 0xaa, 0x70, 0x82, 0x1c, 0x7b, 0x74, },
+  { 0xc8, 0xe8, 0xdd, 0xdf, 0x69, 0x30, 0x01, 0xc2, 0x0f, 0x7e, 0x2f, 0x11,
+    0xcc, 0x3e, 0x17, 0xa5, 0x69, 0x40, 0x3f, 0x0e, 0x79, 0x7f, 0xcf, },
+  { 0xdb, 0x61, 0xc0, 0xe2, 0x2e, 0x49, 0x07, 0x31, 0x1d, 0x91, 0x42, 0x8a,
+    0xfc, 0x5e, 0xd3, 0xf8, 0x56, 0x1f, 0x2b, 0x73, 0xfd, 0x9f, 0xb2, 0x8e, },
+  { 0x0c, 0x89, 0x55, 0x0c, 0x1f, 0x59, 0x2c, 0x9d, 0x1b, 0x29, 0x1d, 0x41,
+    0x1d, 0xe6, 0x47, 0x8f, 0x8c, 0x2b, 0xea, 0x8f, 0xf0, 0xff, 0x21, 0x70,
+    0x88, },
+  { 0x12, 0x18, 0x95, 0xa6, 0x59, 0xb1, 0x31, 0x24, 0x45, 0x67, 0x55, 0xa4,
+    0x1a, 0x2d, 0x48, 0x67, 0x1b, 0x43, 0x88, 0x2d, 0x8e, 0xa0, 0x70, 0xb3,
+    0xc6, 0xbb, },
+  { 0xe7, 0xb1, 0x1d, 0xb2, 0x76, 0x4d, 0x68, 0x68, 0x68, 0x23, 0x02, 0x55,
+    0x3a, 0xe2, 0xe5, 0xd5, 0x4b, 0x43, 0xf9, 0x34, 0x77, 0x5c, 0xa1, 0xf5,
+    0x55, 0xfd, 0x4f, },
+  { 0x8c, 0x87, 0x5a, 0x08, 0x3a, 0x73, 0xad, 0x61, 0xe1, 0xe7, 0x99, 0x7e,
+    0xf0, 0x5d, 0xe9, 0x5d, 0x16, 0x43, 0x80, 0x2f, 0xd0, 0x66, 0x34, 0xe2,
+    0x42, 0x64, 0x3b, 0x1a, },
+  { 0x39, 0xc1, 0x99, 0xcf, 0x22, 0xbf, 0x16, 0x8f, 0x9f, 0x80, 0x7f, 0x95,
+    0x0a, 0x05, 0x67, 0x27, 0xe7, 0x15, 0xdf, 0x9d, 0xb2, 0xfe, 0x1c, 0xb5,
+    0x1d, 0x60, 0x8f, 0x8a, 0x1d, },
+  { 0x9b, 0x6e, 0x08, 0x09, 0x06, 0x73, 0xab, 0x68, 0x02, 0x62, 0x1a, 0xe4,
+    0xd4, 0xdf, 0xc7, 0x02, 0x4c, 0x6a, 0x5f, 0xfd, 0x23, 0xac, 0xae, 0x6d,
+    0x43, 0xa4, 0x7a, 0x50, 0x60, 0x3c, },
+  { 0x1d, 0xb4, 0xc6, 0xe1, 0xb1, 0x4b, 0xe3, 0xf2, 0xe2, 0x1a, 0x73, 0x1b,
+    0xa0, 0x92, 0xa7, 0xf5, 0xff, 0x8f, 0x8b, 0x5d, 0xdf, 0xa8, 0x04, 0xb3,
+    0xb0, 0xf7, 0xcc, 0x12, 0xfa, 0x35, 0x46, },
+  { 0x49, 0x45, 0x97, 0x11, 0x0f, 0x1c, 0x60, 0x8e, 0xe8, 0x47, 0x30, 0xcf,
+    0x60, 0xa8, 0x71, 0xc5, 0x1b, 0xe9, 0x39, 0x4d, 0x49, 0xb6, 0x12, 0x1f,
+    0x24, 0xab, 0x37, 0xff, 0x83, 0xc2, 0xe1, 0x3a, },
+  { 0x60, },
+  { 0x24, 0x26, },
+  { 0x47, 0xeb, 0xc9, },
+  { 0x4a, 0xd0, 0xbc, 0xf0, },
+  { 0x8e, 0x2b, 0xc9, 0x85, 0x3c, },
+  { 0xa2, 0x07, 0x15, 0xb8, 0x12, 0x74, },
+  { 0x0f, 0xdb, 0x5b, 0x33, 0x69, 0xfe, 0x4b, },
+  { 0xa2, 0x86, 0x54, 0xf4, 0xfd, 0xb2, 0xd4, 0xe6, },
+  { 0xbb, 0x84, 0x78, 0x49, 0x27, 0x8e, 0x61, 0xda, 0x60, },
+  { 0x04, 0xc3, 0xcd, 0xaa, 0x8f, 0xa7, 0x03, 0xc9, 0xf9, 0xb6, },
+  { 0xf8, 0x27, 0x1d, 0x61, 0xdc, 0x21, 0x42, 0xdd, 0xad, 0x92, 0x40, },
+  { 0x12, 0x87, 0xdf, 0xc2, 0x41, 0x45, 0x5a, 0x36, 0x48, 0x5b, 0x51, 0x2b, },
+  { 0xbb, 0x37, 0x5d, 0x1f, 0xf1, 0x68, 0x7a, 0xc4, 0xa5, 0xd2, 0xa4, 0x91,
+    0x8d, },
+  { 0x5b, 0x27, 0xd1, 0x04, 0x54, 0x52, 0x9f, 0xa3, 0x47, 0x86, 0x33, 0x33,
+    0xbf, 0xa0, },
+  { 0xcf, 0x04, 0xea, 0xf8, 0x03, 0x2a, 0x43, 0xff, 0xa6, 0x68, 0x21, 0x4c,
+    0xd5, 0x4b, 0xed, },
+  { 0xaf, 0xb8, 0xbc, 0x63, 0x0f, 0x18, 0x4d, 0xe2, 0x7a, 0xdd, 0x46, 0x44,
+    0xc8, 0x24, 0x0a, 0xb7, },
+  { 0x3e, 0xdc, 0x36, 0xe4, 0x89, 0xb1, 0xfa, 0xc6, 0x40, 0x93, 0x2e, 0x75,
+    0xb2, 0x15, 0xd1, 0xb1, 0x10, },
+  { 0x6c, 0xd8, 0x20, 0x3b, 0x82, 0x79, 0xf9, 0xc8, 0xbc, 0x9d, 0xe0, 0x35,
+    0xbe, 0x1b, 0x49, 0x1a, 0xbc, 0x3a, },
+  { 0x78, 0x65, 0x2c, 0xbe, 0x35, 0x67, 0xdc, 0x78, 0xd4, 0x41, 0xf6, 0xc9,
+    0xde, 0xde, 0x1f, 0x18, 0x13, 0x31, 0x11, },
+  { 0x8a, 0x7f, 0xb1, 0x33, 0x8f, 0x0c, 0x3c, 0x0a, 0x06, 0x61, 0xf0, 0x47,
+    0x29, 0x1b, 0x29, 0xbc, 0x1c, 0x47, 0xef, 0x7a, },
+  { 0x65, 0x91, 0xf1, 0xe6, 0xb3, 0x96, 0xd3, 0x8c, 0xc2, 0x4a, 0x59, 0x35,
+    0x72, 0x8e, 0x0b, 0x9a, 0x87, 0xca, 0x34, 0x7b, 0x63, },
+  { 0x5f, 0x08, 0x87, 0x80, 0x56, 0x25, 0x89, 0x77, 0x61, 0x8c, 0x64, 0xa1,
+    0x59, 0x6d, 0x59, 0x62, 0xe8, 0x4a, 0xc8, 0x58, 0x99, 0xd1, },
+  { 0x23, 0x87, 0x1d, 0xed, 0x6f, 0xf2, 0x91, 0x90, 0xe2, 0xfe, 0x43, 0x21,
+    0xaf, 0x97, 0xc6, 0xbc, 0xd7, 0x15, 0xc7, 0x2d, 0x08, 0x77, 0x91, },
+  { 0x90, 0x47, 0x9a, 0x9e, 0x3a, 0xdf, 0xf3, 0xc9, 0x4c, 0x1e, 0xa7, 0xd4,
+    0x6a, 0x32, 0x90, 0xfe, 0xb7, 0xb6, 0x7b, 0xfa, 0x96, 0x61, 0xfb, 0xa4, },
+  { 0xb1, 0x67, 0x60, 0x45, 0xb0, 0x96, 0xc5, 0x15, 0x9f, 0x4d, 0x26, 0xd7,
+    0x9d, 0xf1, 0xf5, 0x6d, 0x21, 0x00, 0x94, 0x31, 0x64, 0x94, 0xd3, 0xa7,
+    0xd3, },
+  { 0x02, 0x3e, 0xaf, 0xf3, 0x79, 0x73, 0xa5, 0xf5, 0xcc, 0x7a, 0x7f, 0xfb,
+    0x79, 0x2b, 0x85, 0x8c, 0x88, 0x72, 0x06, 0xbe, 0xfe, 0xaf, 0xc1, 0x16,
+    0xa6, 0xd6, },
+  { 0x2a, 0xb0, 0x1a, 0xe5, 0xaa, 0x6e, 0xb3, 0xae, 0x53, 0x85, 0x33, 0x80,
+    0x75, 0xae, 0x30, 0xe6, 0xb8, 0x72, 0x42, 0xf6, 0x25, 0x4f, 0x38, 0x88,
+    0x55, 0xd1, 0xa9, },
+  { 0x90, 0xd8, 0x0c, 0xc0, 0x93, 0x4b, 0x4f, 0x9e, 0x65, 0x6c, 0xa1, 0x54,
+    0xa6, 0xf6, 0x6e, 0xca, 0xd2, 0xbb, 0x7e, 0x6a, 0x1c, 0xd3, 0xce, 0x46,
+    0xef, 0xb0, 0x00, 0x8d, },
+  { 0xed, 0x9c, 0x49, 0xcd, 0xc2, 0xde, 0x38, 0x0e, 0xe9, 0x98, 0x6c, 0xc8,
+    0x90, 0x9e, 0x3c, 0xd4, 0xd3, 0xeb, 0x88, 0x32, 0xc7, 0x28, 0xe3, 0x94,
+    0x1c, 0x9f, 0x8b, 0xf3, 0xcb, },
+  { 0xac, 0xe7, 0x92, 0x16, 0xb4, 0x14, 0xa0, 0xe4, 0x04, 0x79, 0xa2, 0xf4,
+    0x31, 0xe6, 0x0c, 0x26, 0xdc, 0xbf, 0x2f, 0x69, 0x1b, 0x55, 0x94, 0x67,
+    0xda, 0x0c, 0xd7, 0x32, 0x1f, 0xef, },
+  { 0x68, 0x63, 0x85, 0x57, 0x95, 0x9e, 0x42, 0x27, 0x41, 0x43, 0x42, 0x02,
+    0xa5, 0x78, 0xa7, 0xc6, 0x43, 0xc1, 0x6a, 0xba, 0x70, 0x80, 0xcd, 0x04,
+    0xb6, 0x78, 0x76, 0x29, 0xf3, 0xe8, 0xa0, },
+  { 0xe6, 0xac, 0x8d, 0x9d, 0xf0, 0xc0, 0xf7, 0xf7, 0xe3, 0x3e, 0x4e, 0x28,
+    0x0f, 0x59, 0xb2, 0x67, 0x9e, 0x84, 0x34, 0x42, 0x96, 0x30, 0x2b, 0xca,
+    0x49, 0xb6, 0xc5, 0x9a, 0x84, 0x59, 0xa7, 0x81, },
+  { 0x7e, },
+  { 0x1e, 0x21, },
+  { 0x26, 0xd3, 0xdd, },
+  { 0x2c, 0xd4, 0xb3, 0x3d, },
+  { 0x86, 0x7b, 0x76, 0x3c, 0xf0, },
+  { 0x12, 0xc3, 0x70, 0x1d, 0x55, 0x18, },
+  { 0x96, 0xc2, 0xbd, 0x61, 0x55, 0xf4, 0x24, },
+  { 0x20, 0x51, 0xf7, 0x86, 0x58, 0x8f, 0x07, 0x2a, },
+  { 0x93, 0x15, 0xa8, 0x1d, 0xda, 0x97, 0xee, 0x0e, 0x6c, },
+  { 0x39, 0x93, 0xdf, 0xd5, 0x0e, 0xca, 0xdc, 0x7a, 0x92, 0xce, },
+  { 0x60, 0xd5, 0xfd, 0xf5, 0x1b, 0x26, 0x82, 0x26, 0x73, 0x02, 0xbc, },
+  { 0x98, 0xf2, 0x34, 0xe1, 0xf5, 0xfb, 0x00, 0xac, 0x10, 0x4a, 0x38, 0x9f, },
+  { 0xda, 0x3a, 0x92, 0x8a, 0xd0, 0xcd, 0x12, 0xcd, 0x15, 0xbb, 0xab, 0x77,
+    0x66, },
+  { 0xa2, 0x92, 0x1a, 0xe5, 0xca, 0x0c, 0x30, 0x75, 0xeb, 0xaf, 0x00, 0x31,
+    0x55, 0x66, },
+  { 0x06, 0xea, 0xfd, 0x3e, 0x86, 0x38, 0x62, 0x4e, 0xa9, 0x12, 0xa4, 0x12,
+    0x43, 0xbf, 0xa1, },
+  { 0xe4, 0x71, 0x7b, 0x94, 0xdb, 0xa0, 0xd2, 0xff, 0x9b, 0xeb, 0xad, 0x8e,
+    0x95, 0x8a, 0xc5, 0xed, },
+  { 0x25, 0x5a, 0x77, 0x71, 0x41, 0x0e, 0x7a, 0xe9, 0xed, 0x0c, 0x10, 0xef,
+    0xf6, 0x2b, 0x3a, 0xba, 0x60, },
+  { 0xee, 0xe2, 0xa3, 0x67, 0x64, 0x1d, 0xc6, 0x04, 0xc4, 0xe1, 0x68, 0xd2,
+    0x6e, 0xd2, 0x91, 0x75, 0x53, 0x07, },
+  { 0xe0, 0xf6, 0x4d, 0x8f, 0x68, 0xfc, 0x06, 0x7e, 0x18, 0x79, 0x7f, 0x2b,
+    0x6d, 0xef, 0x46, 0x7f, 0xab, 0xb2, 0xad, },
+  { 0x3d, 0x35, 0x88, 0x9f, 0x2e, 0xcf, 0x96, 0x45, 0x07, 0x60, 0x71, 0x94,
+    0x00, 0x8d, 0xbf, 0xf4, 0xef, 0x46, 0x2e, 0x3c, },
+  { 0x43, 0xcf, 0x98, 0xf7, 0x2d, 0xf4, 0x17, 0xe7, 0x8c, 0x05, 0x2d, 0x9b,
+    0x24, 0xfb, 0x4d, 0xea, 0x4a, 0xec, 0x01, 0x25, 0x29, },
+  { 0x8e, 0x73, 0x9a, 0x78, 0x11, 0xfe, 0x48, 0xa0, 0x3b, 0x1a, 0x26, 0xdf,
+    0x25, 0xe9, 0x59, 0x1c, 0x70, 0x07, 0x9f, 0xdc, 0xa0, 0xa6, },
+  { 0xe8, 0x47, 0x71, 0xc7, 0x3e, 0xdf, 0xb5, 0x13, 0xb9, 0x85, 0x13, 0xa8,
+    0x54, 0x47, 0x6e, 0x59, 0x96, 0x09, 0x13, 0x5f, 0x82, 0x16, 0x0b, },
+  { 0xfb, 0xc0, 0x8c, 0x03, 0x21, 0xb3, 0xc4, 0xb5, 0x43, 0x32, 0x6c, 0xea,
+    0x7f, 0xa8, 0x43, 0x91, 0xe8, 0x4e, 0x3f, 0xbf, 0x45, 0x58, 0x6a, 0xa3, },
+  { 0x55, 0xf8, 0xf3, 0x00, 0x76, 0x09, 0xef, 0x69, 0x5d, 0xd2, 0x8a, 0xf2,
+    0x65, 0xc3, 0xcb, 0x9b, 0x43, 0xfd, 0xb1, 0x7e, 0x7f, 0xa1, 0x94, 0xb0,
+    0xd7, },
+  { 0xaa, 0x13, 0xc1, 0x51, 0x40, 0x6d, 0x8d, 0x4c, 0x0a, 0x95, 0x64, 0x7b,
+    0xd1, 0x96, 0xb6, 0x56, 0xb4, 0x5b, 0xcf, 0xd6, 0xd9, 0x15, 0x97, 0xdd,
+    0xb6, 0xef, },
+  { 0xaf, 0xb7, 0x36, 0xb0, 0x04, 0xdb, 0xd7, 0x9c, 0x9a, 0x44, 0xc4, 0xf6,
+    0x1f, 0x12, 0x21, 0x2d, 0x59, 0x30, 0x54, 0xab, 0x27, 0x61, 0xa3, 0x57,
+    0xef, 0xf8, 0x53, },
+  { 0x97, 0x34, 0x45, 0x3e, 0xce, 0x7c, 0x35, 0xa2, 0xda, 0x9f, 0x4b, 0x46,
+    0x6c, 0x11, 0x67, 0xff, 0x2f, 0x76, 0x58, 0x15, 0x71, 0xfa, 0x44, 0x89,
+    0x89, 0xfd, 0xf7, 0x99, },
+  { 0x1f, 0xb1, 0x62, 0xeb, 0x83, 0xc5, 0x9c, 0x89, 0xf9, 0x2c, 0xd2, 0x03,
+    0x61, 0xbc, 0xbb, 0xa5, 0x74, 0x0e, 0x9b, 0x7e, 0x82, 0x3e, 0x70, 0x0a,
+    0xa9, 0x8f, 0x2b, 0x59, 0xfb, },
+  { 0xf8, 0xca, 0x5e, 0x3a, 0x4f, 0x9e, 0x10, 0x69, 0x10, 0xd5, 0x4c, 0xeb,
+    0x1a, 0x0f, 0x3c, 0x6a, 0x98, 0xf5, 0xb0, 0x97, 0x5b, 0x37, 0x2f, 0x0d,
+    0xbd, 0x42, 0x4b, 0x69, 0xa1, 0x82, },
+  { 0x12, 0x8c, 0x6d, 0x52, 0x08, 0xef, 0x74, 0xb2, 0xe6, 0xaa, 0xd3, 0xb0,
+    0x26, 0xb0, 0xd9, 0x94, 0xb6, 0x11, 0x45, 0x0e, 0x36, 0x71, 0x14, 0x2d,
+    0x41, 0x8c, 0x21, 0x53, 0x31, 0xe9, 0x68, },
+  { 0xee, 0xea, 0x0d, 0x89, 0x47, 0x7e, 0x72, 0xd1, 0xd8, 0xce, 0x58, 0x4c,
+    0x94, 0x1f, 0x0d, 0x51, 0x08, 0xa3, 0xb6, 0x3d, 0xe7, 0x82, 0x46, 0x92,
+    0xd6, 0x98, 0x6b, 0x07, 0x10, 0x65, 0x52, 0x65, },
+};
+
+static const u8 blake2s_hmac_testvecs[][BLAKE2S_HASH_SIZE] __initconst = {
+  { 0xce, 0xe1, 0x57, 0x69, 0x82, 0xdc, 0xbf, 0x43, 0xad, 0x56, 0x4c, 0x70,
+    0xed, 0x68, 0x16, 0x96, 0xcf, 0xa4, 0x73, 0xe8, 0xe8, 0xfc, 0x32, 0x79,
+    0x08, 0x0a, 0x75, 0x82, 0xda, 0x3f, 0x05, 0x11, },
+  { 0x77, 0x2f, 0x0c, 0x71, 0x41, 0xf4, 0x4b, 0x2b, 0xb3, 0xc6, 0xb6, 0xf9,
+    0x60, 0xde, 0xe4, 0x52, 0x38, 0x66, 0xe8, 0xbf, 0x9b, 0x96, 0xc4, 0x9f,
+    0x60, 0xd9, 0x24, 0x37, 0x99, 0xd6, 0xec, 0x31, },
+};
+
+bool __init blake2s_selftest(void)
+{
+	u8 key[BLAKE2S_KEY_SIZE];
+	u8 buf[ARRAY_SIZE(blake2s_testvecs)];
+	u8 hash[BLAKE2S_HASH_SIZE];
+	struct blake2s_state state;
+	bool success = true;
+	int i, l;
+
+	key[0] = key[1] = 1;
+	for (i = 2; i < sizeof(key); ++i)
+		key[i] = key[i - 2] + key[i - 1];
+
+	for (i = 0; i < sizeof(buf); ++i)
+		buf[i] = (u8)i;
+
+	for (i = l = 0; i < ARRAY_SIZE(blake2s_testvecs); l = (l + 37) % ++i) {
+		int outlen = 1 + i % BLAKE2S_HASH_SIZE;
+		int keylen = (13 * i) % (BLAKE2S_KEY_SIZE + 1);
+
+		blake2s(hash, buf, key + BLAKE2S_KEY_SIZE - keylen, outlen, i,
+			keylen);
+		if (memcmp(hash, blake2s_testvecs[i], outlen)) {
+			pr_err("blake2s self-test %d: FAIL\n", i + 1);
+			success = false;
+		}
+
+		if (!keylen)
+			blake2s_init(&state, outlen);
+		else
+			blake2s_init_key(&state, outlen,
+					 key + BLAKE2S_KEY_SIZE - keylen,
+					 keylen);
+
+		blake2s_update(&state, buf, l);
+		blake2s_update(&state, buf + l, i - l);
+		blake2s_final(&state, hash);
+		if (memcmp(hash, blake2s_testvecs[i], outlen)) {
+			pr_err("blake2s init/update/final self-test %d: FAIL\n",
+			       i + 1);
+			success = false;
+		}
+	}
+
+	if (success) {
+		blake2s256_hmac(hash, buf, key, sizeof(buf), sizeof(key));
+		success &= !memcmp(hash, blake2s_hmac_testvecs[0], BLAKE2S_HASH_SIZE);
+
+		blake2s256_hmac(hash, key, buf, sizeof(key), sizeof(buf));
+		success &= !memcmp(hash, blake2s_hmac_testvecs[1], BLAKE2S_HASH_SIZE);
+
+		if (!success)
+			pr_err("blake2s256_hmac self-test: FAIL\n");
+	}
+
+	return success;
+}

lib/crypto/blake2s.c

@@ -0,0 +1,92 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Copyright (C) 2015-2019 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
+ *
+ * This is an implementation of the BLAKE2s hash and PRF functions.
+ *
+ * Information: https://blake2.net/
+ *
+ */
+
+#include <crypto/internal/blake2s.h>
+#include <linux/types.h>
+#include <linux/string.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/bug.h>
+
+#if IS_ENABLED(CONFIG_CRYPTO_ARCH_HAVE_LIB_BLAKE2S)
+#  define blake2s_compress blake2s_compress_arch
+#else
+#  define blake2s_compress blake2s_compress_generic
+#endif
+
+void blake2s_update(struct blake2s_state *state, const u8 *in, size_t inlen)
+{
+	__blake2s_update(state, in, inlen, blake2s_compress);
+}
+EXPORT_SYMBOL(blake2s_update);
+
+void blake2s_final(struct blake2s_state *state, u8 *out)
+{
+	WARN_ON(IS_ENABLED(DEBUG) && !out);
+	__blake2s_final(state, out, blake2s_compress);
+	memzero_explicit(state, sizeof(*state));
+}
+EXPORT_SYMBOL(blake2s_final);
+
+void blake2s256_hmac(u8 *out, const u8 *in, const u8 *key, const size_t inlen,
+		     const size_t keylen)
+{
+	struct blake2s_state state;
+	u8 x_key[BLAKE2S_BLOCK_SIZE] __aligned(__alignof__(u32)) = { 0 };
+	u8 i_hash[BLAKE2S_HASH_SIZE] __aligned(__alignof__(u32));
+	int i;
+
+	if (keylen > BLAKE2S_BLOCK_SIZE) {
+		blake2s_init(&state, BLAKE2S_HASH_SIZE);
+		blake2s_update(&state, key, keylen);
+		blake2s_final(&state, x_key);
+	} else
+		memcpy(x_key, key, keylen);
+
+	for (i = 0; i < BLAKE2S_BLOCK_SIZE; ++i)
+		x_key[i] ^= 0x36;
+
+	blake2s_init(&state, BLAKE2S_HASH_SIZE);
+	blake2s_update(&state, x_key, BLAKE2S_BLOCK_SIZE);
+	blake2s_update(&state, in, inlen);
+	blake2s_final(&state, i_hash);
+
+	for (i = 0; i < BLAKE2S_BLOCK_SIZE; ++i)
+		x_key[i] ^= 0x5c ^ 0x36;
+
+	blake2s_init(&state, BLAKE2S_HASH_SIZE);
+	blake2s_update(&state, x_key, BLAKE2S_BLOCK_SIZE);
+	blake2s_update(&state, i_hash, BLAKE2S_HASH_SIZE);
+	blake2s_final(&state, i_hash);
+
+	memcpy(out, i_hash, BLAKE2S_HASH_SIZE);
+	memzero_explicit(x_key, BLAKE2S_BLOCK_SIZE);
+	memzero_explicit(i_hash, BLAKE2S_HASH_SIZE);
+}
+EXPORT_SYMBOL(blake2s256_hmac);
+
+static int __init mod_init(void)
+{
+	if (!IS_ENABLED(CONFIG_CRYPTO_MANAGER_DISABLE_TESTS) &&
+	    WARN_ON(!blake2s_selftest()))
+		return -ENODEV;
+	return 0;
+}
+
+static void __exit mod_exit(void)
+{
+}
+
+module_init(mod_init);
+module_exit(mod_exit);
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("BLAKE2s hash function");
+MODULE_AUTHOR("Jason A. Donenfeld <Jason@zx2c4.com>");