X-Git-Url: https://git.cryptolib.org/?a=blobdiff_plain;f=hfal%2Fhfal-hmac.h;fp=hfal%2Fhfal-hmac.h;h=8c9b8991f179efe24745e2fe0245abb2360731bf;hb=d70d1d77bab1a5f5278227d674bc59da0378fe15;hp=0000000000000000000000000000000000000000;hpb=d00ed9a275c69fa3512007452e479abd98dbe745;p=arm-crypto-lib.git

diff --git a/hfal/hfal-hmac.h b/hfal/hfal-hmac.h
new file mode 100644
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--- /dev/null
+++ b/hfal/hfal-hmac.h
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+/* hfal-hmac.h */
+/*
+    This file is part of the AVR-Crypto-Lib.
+    Copyright (C) 2009  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 HFAL_HMAC_H_
+#define HFAL_HMAC_H_
+
+#include <avr/pgmspace.h>
+#include "hashfunction_descriptor.h"
+
+typedef struct {
+	hfdesc_t* desc;
+	void*     ctx;
+	void*     finctx;
+} hfhmacgen_ctx_t;
+
+uint8_t hfal_hmac_init(const hfdesc_t* hash_descriptor, hfhmacgen_ctx_t* ctx, const void* key, uint16_t keylength_b);
+void hfal_hmac_nextBlock(hfhmacgen_ctx_t* ctx, const void* block);
+void hfal_hmac_lastBlock(hfhmacgen_ctx_t* ctx, const void* block, uint16_t length_b);
+void hfal_hmac_ctx2mac(void* dest, hfhmacgen_ctx_t* ctx);
+void hfal_hmac_free(hfhmacgen_ctx_t* ctx);
+void hfal_hmac_mem(const hfdesc_t* hash_descriptor, const void* key, uint16_t keylength_b, void* dest, const void* msg, uint32_t length_b);
+uint16_t hfal_hmac_getBlocksize(const hfdesc_t* hash_descriptor);
+uint16_t hfal_hmac_getMACsize(const hfdesc_t* hash_descriptor);
+
+#endif /* HFAL_HMAC_H_ */