forgotten file (a lot of them)

[arm-crypto-lib.git] / hmac-sha256 / hmac-sha256.h

diff --git a/hmac-sha256/hmac-sha256.h b/hmac-sha256/hmac-sha256.h
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+++ b/hmac-sha256/hmac-sha256.h
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+/* hmac-sha256.h */
+/*
+    This file is part of the ARM-Crypto-Lib.
+    Copyright (C) 2008  Daniel Otte (daniel.otte@rub.de)
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program 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 General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef HMACSHA256_H_
+#define HMACSHA256_H_
+
+#include "sha256.h"
+
+#define HMAC_SHA256_BITS        SHA256_HASH_BITS
+#define HMAC_SHA256_BYTES       SHA256_HASH_BYTES
+#define HMAC_SHA256_BLOCK_BITS  SHA256_BLOCK_BITS
+#define HMAC_SHA256_BLOCK_BYTES SHA256_BLOCK_BYTES
+
+
+typedef struct {
+       sha256_ctx_t a,b;
+} hmac_sha256_ctx_t;
+
+
+void hmac_sha256_init(hmac_sha256_ctx_t *s, const void* key, uint16_t keylength_b);
+void hmac_sha256_nextBlock(hmac_sha256_ctx_t *s, const void* block);
+void hmac_sha256_lastBlock(hmac_sha256_ctx_t *s, const void* block, uint16_t length_b);
+void hmac_sha256_final(void* dest, hmac_sha256_ctx_t *s);
+
+void hmac_sha256(void* dest, const void* key, uint16_t keylength_b, const void* msg, uint32_t msglength_b);
+
+
+#endif /*HMACSHA256_H_*/