Contributors: 3
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Eric Biggers |
203 |
81.85% |
1 |
25.00% |
| Herbert Xu |
27 |
10.89% |
2 |
50.00% |
| David Sterba |
18 |
7.26% |
1 |
25.00% |
| Total |
248 |
|
4 |
|
/* 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>
struct blake2b_state {
/* 'h', 't', and 'f' are used in assembly code, so keep them as-is. */
u64 h[8];
u64 t[2];
/* The true state ends here. The rest is temporary storage. */
u64 f[2];
};
enum blake2b_lengths {
BLAKE2B_BLOCK_SIZE = 128,
BLAKE2B_HASH_SIZE = 64,
BLAKE2B_KEY_SIZE = 64,
BLAKE2B_STATE_SIZE = offsetof(struct blake2b_state, f),
BLAKE2B_DESC_SIZE = sizeof(struct blake2b_state),
BLAKE2B_160_HASH_SIZE = 20,
BLAKE2B_256_HASH_SIZE = 32,
BLAKE2B_384_HASH_SIZE = 48,
BLAKE2B_512_HASH_SIZE = 64,
};
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,
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;
}
#endif /* _CRYPTO_BLAKE2B_H */