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author | Niels Möller <nisse@lysator.liu.se> | 2003-04-25 16:04:04 +0200 |
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committer | Niels Möller <nisse@lysator.liu.se> | 2003-04-25 16:04:04 +0200 |
commit | 1c6eff90d5f50ccaceade8da0541dfda34550605 (patch) | |
tree | 2deec09ce3c21ae8677449bf557bd52fe78da1f1 /hmac-sha256.c | |
parent | 9f3ff09fd8cbc67310ff6ceb2e0e58a52548dc59 (diff) | |
download | nettle-1c6eff90d5f50ccaceade8da0541dfda34550605.tar.gz |
(hmac_sha256_digest): New file.
Rev: src/nettle/ChangeLog:1.192
Rev: src/nettle/hmac-sha256.c:1.1
Diffstat (limited to 'hmac-sha256.c')
-rw-r--r-- | hmac-sha256.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/hmac-sha256.c b/hmac-sha256.c new file mode 100644 index 00000000..df285c59 --- /dev/null +++ b/hmac-sha256.c @@ -0,0 +1,47 @@ +/* hmac-sha256.c + * + * HMAC-SHA256 message authentication code. + */ + +/* nettle, low-level cryptographics library + * + * Copyright (C) 2003 Niels Möller + * + * The nettle library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation; either version 2.1 of the License, or (at your + * option) any later version. + * + * The nettle library is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY + * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public + * License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with the nettle library; see the file COPYING.LIB. If not, write to + * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, + * MA 02111-1307, USA. + */ + +#include "hmac.h" + +void +hmac_sha256_set_key(struct hmac_sha256_ctx *ctx, + unsigned key_length, const uint8_t *key) +{ + HMAC_SET_KEY(ctx, &nettle_sha256, key_length, key); +} + +void +hmac_sha256_update(struct hmac_sha256_ctx *ctx, + unsigned length, const uint8_t *data) +{ + sha256_update(&ctx->state, length, data); +} + +void +hmac_sha256_digest(struct hmac_sha256_ctx *ctx, + unsigned length, uint8_t *digest) +{ + HMAC_DIGEST(ctx, &nettle_sha256, length, digest); +} |