Gecko [ tsuru-no-tsurugi.tokyo ]

Name	Size	Permission	Date
internal	[ DIR ]	drwxr-xr-x	2026-06-27 06:50
acompress.h	8.86 KB	-rw-r--r--	2021-11-01 05:53
aead.h	18.39 KB	-rw-r--r--	2021-11-01 05:53
aes.h	2.5 KB	-rw-r--r--	2021-11-01 05:53
akcipher.h	12.92 KB	-rw-r--r--	2021-11-01 05:53
algapi.h	7.37 KB	-rw-r--r--	2026-06-20 00:54
arc4.h	484 B	-rw-r--r--	2021-11-01 05:53
asym_tpm_subtype.h	521 B	-rw-r--r--	2021-11-01 05:53
authenc.h	635 B	-rw-r--r--	2021-11-01 05:53
b128ops.h	2.41 KB	-rw-r--r--	2021-11-01 05:53
blake2b.h	1.6 KB	-rw-r--r--	2021-11-01 05:53
blake2s.h	2.62 KB	-rw-r--r--	2026-06-20 00:54
blowfish.h	415 B	-rw-r--r--	2021-11-01 05:53
cast5.h	590 B	-rw-r--r--	2021-11-01 05:53
cast6.h	607 B	-rw-r--r--	2021-11-01 05:53
cast_common.h	232 B	-rw-r--r--	2021-11-01 05:53
chacha.h	3.32 KB	-rw-r--r--	2026-06-20 00:54
chacha20poly1305.h	1.66 KB	-rw-r--r--	2021-11-01 05:53
cryptd.h	2 KB	-rw-r--r--	2021-11-01 05:53
ctr.h	1.42 KB	-rw-r--r--	2021-11-01 05:53
curve25519.h	2.02 KB	-rw-r--r--	2021-11-01 05:53
des.h	1.68 KB	-rw-r--r--	2021-11-01 05:53
dh.h	2.51 KB	-rw-r--r--	2021-11-01 05:53
drbg.h	8.99 KB	-rw-r--r--	2026-06-20 00:54
ecc_curve.h	1.31 KB	-rw-r--r--	2021-11-01 05:53
ecdh.h	2.43 KB	-rw-r--r--	2021-11-01 05:53
engine.h	4.11 KB	-rw-r--r--	2021-11-01 05:53
gcm.h	867 B	-rw-r--r--	2021-11-01 05:53
gf128mul.h	9.42 KB	-rw-r--r--	2021-11-01 05:53
ghash.h	388 B	-rw-r--r--	2021-11-01 05:53
hash.h	34.04 KB	-rw-r--r--	2021-11-01 05:53
hash_info.h	998 B	-rw-r--r--	2021-11-01 05:53
hmac.h	173 B	-rw-r--r--	2021-11-01 05:53
if_alg.h	6.68 KB	-rw-r--r--	2026-06-20 00:54
kpp.h	9.91 KB	-rw-r--r--	2021-11-01 05:53
md5.h	497 B	-rw-r--r--	2021-11-01 05:53
nhpoly1305.h	2.18 KB	-rw-r--r--	2021-11-01 05:53
null.h	346 B	-rw-r--r--	2021-11-01 05:53
padlock.h	438 B	-rw-r--r--	2021-11-01 05:53
pcrypt.h	815 B	-rw-r--r--	2021-11-01 05:53
pkcs7.h	1.15 KB	-rw-r--r--	2021-11-01 05:53
poly1305.h	2.44 KB	-rw-r--r--	2021-11-01 05:53
public_key.h	2.38 KB	-rw-r--r--	2021-11-01 05:53
rng.h	6.59 KB	-rw-r--r--	2021-11-01 05:53
scatterwalk.h	3.9 KB	-rw-r--r--	2026-06-20 00:54
serpent.h	696 B	-rw-r--r--	2021-11-01 05:53
sha1.h	1.18 KB	-rw-r--r--	2021-11-01 05:53
sha1_base.h	2.45 KB	-rw-r--r--	2021-11-01 05:53
sha2.h	3.76 KB	-rw-r--r--	2021-11-01 05:53
sha256_base.h	2.56 KB	-rw-r--r--	2021-11-01 05:53
sha3.h	879 B	-rw-r--r--	2021-11-01 05:53
sha512_base.h	3.18 KB	-rw-r--r--	2021-11-01 05:53
skcipher.h	19.95 KB	-rw-r--r--	2021-11-01 05:53
sm2.h	749 B	-rw-r--r--	2021-11-01 05:53
sm3.h	897 B	-rw-r--r--	2021-11-01 05:53
sm3_base.h	2.55 KB	-rw-r--r--	2021-11-01 05:53
sm4.h	1.12 KB	-rw-r--r--	2021-11-01 05:53
streebog.h	949 B	-rw-r--r--	2021-11-01 05:53
twofish.h	743 B	-rw-r--r--	2021-11-01 05:53
xts.h	1.1 KB	-rw-r--r--	2021-11-01 05:53

Rename

/* 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);
}

#endif /* _CRYPTO_BLAKE2S_H */