Initial community commit

1 files changed, 79 insertions, 0 deletions

diff --git a/Src/auth/hmac_sha256.h b/Src/auth/hmac_sha256.h
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+/*
+ * hmac_sha256.h
+ *
+ * Version 1.0.0
+ *
+ * Written by Aaron D. Gifford <me@aarongifford.com>
+ *
+ * Copyright 1998, 2000 Aaron D. Gifford.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the copyright holder nor the names of contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR(S) OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef HEADER_HMAC_SHA256_H
+#define HEADER_HMAC_SHA256_H
+
+#include "sha2.h"
+
+#ifdef  __cplusplus
+extern "C" {
+#endif
+
+#define HMAC_SHA256_DIGEST_LENGTH	32
+#define HMAC_SHA256_BLOCK_LENGTH	64
+
+/* The HMAC_SHA1 structure: */
+typedef struct _HMAC_SHA256_CTX {
+	unsigned char	ipad[HMAC_SHA256_BLOCK_LENGTH];
+	unsigned char	opad[HMAC_SHA256_BLOCK_LENGTH];
+	SHA256_CTX		shactx;
+	unsigned char	key[HMAC_SHA256_BLOCK_LENGTH];
+	unsigned int	keylen;
+	unsigned int	hashkey;
+} HMAC_SHA256_CTX;
+
+#ifndef NOPROTO
+void HMAC_SHA256_Init(HMAC_SHA256_CTX *ctx);
+void HMAC_SHA256_UpdateKey(HMAC_SHA256_CTX *ctx, unsigned char *key, unsigned int keylen);
+void HMAC_SHA256_EndKey(HMAC_SHA256_CTX *ctx);
+void HMAC_SHA256_StartMessage(HMAC_SHA256_CTX *ctx);
+void HMAC_SHA256_UpdateMessage(HMAC_SHA256_CTX *ctx, unsigned char *data, unsigned int datalen);
+void HMAC_SHA256_EndMessage(unsigned char *out, HMAC_SHA256_CTX *ctx);
+void HMAC_SHA256_Done(HMAC_SHA256_CTX *ctx);
+#else
+void HMAC_SHA256_Init();
+void HMAC_SHA256_UpdateKey();
+void HMAC_SHA256_EndKey();
+void HMAC_SHA256_StartMessage();
+void HMAC_SHA256_UpdateMessage();
+void HMAC_SHA256_EndMessage();
+void HMAC_SHA256_Done();
+#endif
+
+#ifdef	__cplusplus
+}
+#endif
+
+#endif