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Name	Size	Permission	Date
internal	[ DIR ]	drwxr-xr-x	2026-06-04 06:36
acompress.h	9.26 KB	-rw-r--r--	2024-03-10 20:38
aead.h	19.47 KB	-rw-r--r--	2024-03-10 20:38
aes.h	2.5 KB	-rw-r--r--	2024-03-10 20:38
akcipher.h	15.21 KB	-rw-r--r--	2024-03-10 20:38
algapi.h	7.65 KB	-rw-r--r--	2024-03-10 20:38
arc4.h	484 B	-rw-r--r--	2024-03-10 20:38
aria.h	16.71 KB	-rw-r--r--	2024-03-10 20:38
authenc.h	635 B	-rw-r--r--	2024-03-10 20:38
b128ops.h	2.26 KB	-rw-r--r--	2024-03-10 20:38
blake2b.h	1.57 KB	-rw-r--r--	2024-03-10 20:38
blake2s.h	2.62 KB	-rw-r--r--	2024-03-10 20:38
blowfish.h	415 B	-rw-r--r--	2024-03-10 20:38
cast5.h	590 B	-rw-r--r--	2024-03-10 20:38
cast6.h	607 B	-rw-r--r--	2024-03-10 20:38
cast_common.h	232 B	-rw-r--r--	2024-03-10 20:38
chacha.h	3.32 KB	-rw-r--r--	2024-03-10 20:38
chacha20poly1305.h	1.66 KB	-rw-r--r--	2024-03-10 20:38
cryptd.h	2 KB	-rw-r--r--	2024-03-10 20:38
ctr.h	1.42 KB	-rw-r--r--	2024-03-10 20:38
curve25519.h	2.02 KB	-rw-r--r--	2024-03-10 20:38
des.h	1.68 KB	-rw-r--r--	2024-03-10 20:38
dh.h	3.03 KB	-rw-r--r--	2024-03-10 20:38
drbg.h	9.02 KB	-rw-r--r--	2024-03-10 20:38
ecc_curve.h	1.31 KB	-rw-r--r--	2024-03-10 20:38
ecdh.h	2.43 KB	-rw-r--r--	2024-03-10 20:38
engine.h	3.72 KB	-rw-r--r--	2024-03-10 20:38
gcm.h	1.48 KB	-rw-r--r--	2024-03-10 20:38
gf128mul.h	9.42 KB	-rw-r--r--	2024-03-10 20:38
ghash.h	388 B	-rw-r--r--	2024-03-10 20:38
hash.h	33.47 KB	-rw-r--r--	2026-05-26 09:55
hash_info.h	1023 B	-rw-r--r--	2024-03-10 20:38
hmac.h	173 B	-rw-r--r--	2024-03-10 20:38
if_alg.h	6.5 KB	-rw-r--r--	2026-05-26 09:55
kdf_sp800108.h	2.07 KB	-rw-r--r--	2024-03-10 20:38
kpp.h	10.9 KB	-rw-r--r--	2024-03-10 20:38
md5.h	497 B	-rw-r--r--	2024-03-10 20:38
nhpoly1305.h	2.18 KB	-rw-r--r--	2024-03-10 20:38
null.h	346 B	-rw-r--r--	2024-03-10 20:38
padlock.h	438 B	-rw-r--r--	2024-03-10 20:38
pcrypt.h	821 B	-rw-r--r--	2024-03-10 20:38
pkcs7.h	1.15 KB	-rw-r--r--	2024-03-10 20:38
poly1305.h	2.44 KB	-rw-r--r--	2024-03-10 20:38
polyval.h	445 B	-rw-r--r--	2024-03-10 20:38
public_key.h	3.59 KB	-rw-r--r--	2024-03-10 20:38
rng.h	7.72 KB	-rw-r--r--	2024-03-10 20:38
scatterwalk.h	3.69 KB	-rw-r--r--	2026-05-26 09:55
serpent.h	696 B	-rw-r--r--	2024-03-10 20:38
sha1.h	1.18 KB	-rw-r--r--	2024-03-10 20:38
sha1_base.h	2.45 KB	-rw-r--r--	2024-03-10 20:38
sha2.h	3.75 KB	-rw-r--r--	2024-03-10 20:38
sha256_base.h	3.12 KB	-rw-r--r--	2026-05-26 09:55
sha3.h	879 B	-rw-r--r--	2024-03-10 20:38
sha512_base.h	3.18 KB	-rw-r--r--	2024-03-10 20:38
sig.h	4.1 KB	-rw-r--r--	2024-03-10 20:38
skcipher.h	33.05 KB	-rw-r--r--	2024-03-10 20:38
sm2.h	745 B	-rw-r--r--	2024-03-10 20:38
sm3.h	1.6 KB	-rw-r--r--	2024-03-10 20:38
sm3_base.h	2.55 KB	-rw-r--r--	2024-03-10 20:38
sm4.h	1.22 KB	-rw-r--r--	2024-03-10 20:38
streebog.h	949 B	-rw-r--r--	2024-03-10 20:38
twofish.h	743 B	-rw-r--r--	2024-03-10 20:38
utils.h	1.89 KB	-rw-r--r--	2024-03-10 20:38
xts.h	978 B	-rw-r--r--	2024-03-10 20:38

Rename

/* 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/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 */