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/* $OpenBSD: sha1.h,v 1.4 2004/04/28 20:39:35 hshoexer Exp $ */
/*
* SHA-1 in C
* By Steve Reid <steve@edmweb.com>
* 100% Public Domain
*/
#ifndef _SHA1_H_
#define _SHA1_H_
#define SHA1_BLOCK_LENGTH 64
#define SHA1_DIGEST_LENGTH 20
typedef struct {
u_int32_t state[5];
u_int64_t count;
unsigned char buffer[SHA1_BLOCK_LENGTH];
} SHA1_CTX;
void SHA1Init(SHA1_CTX * context);
void SHA1Transform(u_int32_t state[5], unsigned char buffer[SHA1_BLOCK_LENGTH]);
void SHA1Update(SHA1_CTX *context, unsigned char *data, unsigned int len);
void SHA1Final(unsigned char digest[SHA1_DIGEST_LENGTH], SHA1_CTX *context);
#endif /* _SHA1_H_ */
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