poly1305.h (597473720f4dc69749542bfcfed4a927a43d935e) poly1305.h (48ea8c6ebc96bc0990e12ee1c43d0832c23576bb)
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Common values for the Poly1305 algorithm
4 */
5
6#ifndef _CRYPTO_POLY1305_H
7#define _CRYPTO_POLY1305_H
8

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33 /* bytes used in partial buffer */
34 unsigned int buflen;
35 /* r key has been set */
36 bool rset;
37 /* s key has been set */
38 bool sset;
39};
40
1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Common values for the Poly1305 algorithm
4 */
5
6#ifndef _CRYPTO_POLY1305_H
7#define _CRYPTO_POLY1305_H
8

--- 24 unchanged lines hidden (view full) ---

33 /* bytes used in partial buffer */
34 unsigned int buflen;
35 /* r key has been set */
36 bool rset;
37 /* s key has been set */
38 bool sset;
39};
40
41/*
42 * Poly1305 core functions. These implement the ε-almost-∆-universal hash
43 * function underlying the Poly1305 MAC, i.e. they don't add an encrypted nonce
44 * ("s key") at the end. They also only support block-aligned inputs.
45 */
46void poly1305_core_setkey(struct poly1305_key *key, const u8 *raw_key);
47static inline void poly1305_core_init(struct poly1305_state *state)
48{
49 memset(state->h, 0, sizeof(state->h));
50}
51void poly1305_core_blocks(struct poly1305_state *state,
52 const struct poly1305_key *key,
53 const void *src, unsigned int nblocks);
54void poly1305_core_emit(const struct poly1305_state *state, void *dst);
55
56/* Crypto API helper functions for the Poly1305 MAC */
57int crypto_poly1305_init(struct shash_desc *desc);
58unsigned int crypto_poly1305_setdesckey(struct poly1305_desc_ctx *dctx,
59 const u8 *src, unsigned int srclen);
60int crypto_poly1305_update(struct shash_desc *desc,
61 const u8 *src, unsigned int srclen);
62int crypto_poly1305_final(struct shash_desc *desc, u8 *dst);
63
64#endif
41#endif