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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
| commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
| tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /include/crypto/poly1305.h | |
| parent | Initial commit. (diff) | |
| download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip | |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/crypto/poly1305.h')
| -rw-r--r-- | include/crypto/poly1305.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/include/crypto/poly1305.h b/include/crypto/poly1305.h new file mode 100644 index 000000000..f718a19da --- /dev/null +++ b/include/crypto/poly1305.h @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Common values for the Poly1305 algorithm + */ + +#ifndef _CRYPTO_POLY1305_H +#define _CRYPTO_POLY1305_H + +#include <linux/types.h> +#include <linux/crypto.h> + +#define POLY1305_BLOCK_SIZE 16 +#define POLY1305_KEY_SIZE 32 +#define POLY1305_DIGEST_SIZE 16 + +struct poly1305_desc_ctx { + /* key */ + u32 r[5]; + /* finalize key */ + u32 s[4]; + /* accumulator */ + u32 h[5]; + /* partial buffer */ + u8 buf[POLY1305_BLOCK_SIZE]; + /* bytes used in partial buffer */ + unsigned int buflen; + /* r key has been set */ + bool rset; + /* s key has been set */ + bool sset; +}; + +int crypto_poly1305_init(struct shash_desc *desc); +unsigned int crypto_poly1305_setdesckey(struct poly1305_desc_ctx *dctx, + const u8 *src, unsigned int srclen); +int crypto_poly1305_update(struct shash_desc *desc, + const u8 *src, unsigned int srclen); +int crypto_poly1305_final(struct shash_desc *desc, u8 *dst); + +#endif |