mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 01:10:04 +00:00
![Andy Shevchenko](/assets/img/avatar_default.png)
When kernel.h is used in the headers it adds a lot into dependency hell, especially when there are circular dependencies are involved. Replace kernel.h inclusion with the list of what is really being used. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
/* 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 */
|