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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
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