mirror of https://gitee.com/openkylin/linux.git
34 lines
1.1 KiB
C
34 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Common values for the Poly1305 algorithm
|
|
*/
|
|
|
|
#ifndef _CRYPTO_INTERNAL_POLY1305_H
|
|
#define _CRYPTO_INTERNAL_POLY1305_H
|
|
|
|
#include <asm/unaligned.h>
|
|
#include <linux/types.h>
|
|
#include <crypto/poly1305.h>
|
|
|
|
/*
|
|
* Poly1305 core functions. These only accept whole blocks; the caller must
|
|
* handle any needed block buffering and padding. 'hibit' must be 1 for any
|
|
* full blocks, or 0 for the final block if it had to be padded. If 'nonce' is
|
|
* non-NULL, then it's added at the end to compute the Poly1305 MAC. Otherwise,
|
|
* only the ε-almost-∆-universal hash function (not the full MAC) is computed.
|
|
*/
|
|
|
|
void poly1305_core_setkey(struct poly1305_core_key *key, const u8 *raw_key);
|
|
static inline void poly1305_core_init(struct poly1305_state *state)
|
|
{
|
|
*state = (struct poly1305_state){};
|
|
}
|
|
|
|
void poly1305_core_blocks(struct poly1305_state *state,
|
|
const struct poly1305_core_key *key, const void *src,
|
|
unsigned int nblocks, u32 hibit);
|
|
void poly1305_core_emit(const struct poly1305_state *state, const u32 nonce[4],
|
|
void *dst);
|
|
|
|
#endif
|