initial commit, resurrect one of my realy old projects

1 files changed, 42 insertions, 0 deletions

diff --git a/sha1.h b/sha1.h
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+++ b/sha1.h
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+/*
+ * Cryptographic API.
+ *
+ * SHA1 Secure Hash Algorithm.
+ *
+ * Derived from cryptoapi implementation, adapted for in-place
+ * scatterlist interface.  Originally based on the public domain
+ * implementation written by Steve Reid.
+ *
+ * Copyright (c) Alan Smithee.
+ * Copyright (c) Andrew McDonald <andrew@mcdonald.org.uk>
+ * Copyright (c) Jean-Francois Dive <jef@linuxbe.org>
+ *
+ * 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 2 of the License, or (at your option) 
+ * any later version.
+ *
+ */
+
+#ifndef _SHA1_
+#define _SHA1_
+
+#include "uint.h"
+
+#define SHA1_DIGEST_SIZE	20
+#define SHA1_HMAC_BLOCK_SIZE	64
+
+struct sha1_ctx {
+        u64 count;
+        u32 state[5];
+        u8 buffer[64];
+};
+
+void sha1_init(void *ctx);
+
+void sha1_update(void *ctx, const u8 *data, unsigned int len);
+
+/* Add padding and return the message digest. */
+void sha1_final(void* ctx, u8 *out);
+
+#endif