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/* 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/kconfig.h>
#include <linux/types.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 */
| Name | Type | Size | Permission | Actions |
|---|---|---|---|---|
| internal | Folder | 0755 |
|
|
| acompress.h | File | 8.9 KB | 0644 |
|
| aead.h | File | 18.44 KB | 0644 |
|
| aes.h | File | 2.5 KB | 0644 |
|
| akcipher.h | File | 12.92 KB | 0644 |
|
| algapi.h | File | 7.22 KB | 0644 |
|
| arc4.h | File | 484 B | 0644 |
|
| asym_tpm_subtype.h | File | 521 B | 0644 |
|
| authenc.h | File | 635 B | 0644 |
|
| b128ops.h | File | 2.26 KB | 0644 |
|
| blake2b.h | File | 1.57 KB | 0644 |
|
| blake2s.h | File | 2.72 KB | 0644 |
|
| blowfish.h | File | 415 B | 0644 |
|
| cast5.h | File | 590 B | 0644 |
|
| cast6.h | File | 607 B | 0644 |
|
| cast_common.h | File | 232 B | 0644 |
|
| chacha.h | File | 3.32 KB | 0644 |
|
| chacha20poly1305.h | File | 1.66 KB | 0644 |
|
| cryptd.h | File | 2 KB | 0644 |
|
| ctr.h | File | 1.42 KB | 0644 |
|
| curve25519.h | File | 2.02 KB | 0644 |
|
| des.h | File | 1.68 KB | 0644 |
|
| dh.h | File | 3.03 KB | 0644 |
|
| drbg.h | File | 8.99 KB | 0644 |
|
| ecc_curve.h | File | 1.31 KB | 0644 |
|
| ecdh.h | File | 2.43 KB | 0644 |
|
| engine.h | File | 3.78 KB | 0644 |
|
| gcm.h | File | 867 B | 0644 |
|
| gf128mul.h | File | 9.42 KB | 0644 |
|
| ghash.h | File | 388 B | 0644 |
|
| hash.h | File | 34.11 KB | 0644 |
|
| hash_info.h | File | 998 B | 0644 |
|
| hkdf.h | File | 524 B | 0644 |
|
| hmac.h | File | 173 B | 0644 |
|
| if_alg.h | File | 6.6 KB | 0644 |
|
| kpp.h | File | 9.97 KB | 0644 |
|
| md5.h | File | 497 B | 0644 |
|
| nhpoly1305.h | File | 2.18 KB | 0644 |
|
| null.h | File | 346 B | 0644 |
|
| padlock.h | File | 438 B | 0644 |
|
| pcrypt.h | File | 821 B | 0644 |
|
| pkcs7.h | File | 1.15 KB | 0644 |
|
| poly1305.h | File | 2.44 KB | 0644 |
|
| public_key.h | File | 3.63 KB | 0644 |
|
| rng.h | File | 6.59 KB | 0644 |
|
| scatterwalk.h | File | 2.94 KB | 0644 |
|
| serpent.h | File | 696 B | 0644 |
|
| sha1.h | File | 1.18 KB | 0644 |
|
| sha1_base.h | File | 2.45 KB | 0644 |
|
| sha2.h | File | 3.76 KB | 0644 |
|
| sha256_base.h | File | 2.56 KB | 0644 |
|
| sha3.h | File | 879 B | 0644 |
|
| sha512_base.h | File | 3.18 KB | 0644 |
|
| skcipher.h | File | 20.03 KB | 0644 |
|
| sm2.h | File | 749 B | 0644 |
|
| sm3.h | File | 897 B | 0644 |
|
| sm3_base.h | File | 2.55 KB | 0644 |
|
| sm4.h | File | 754 B | 0644 |
|
| streebog.h | File | 949 B | 0644 |
|
| twofish.h | File | 743 B | 0644 |
|
| xts.h | File | 978 B | 0644 |
|