/usr/include/re/re_sha.h is in libre-dev 0.5.6-1ubuntu2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | /**
* @file re_sha.h Interface to SHA (Secure Hash Standard) functions
*
* Copyright (C) 2010 Creytiv.com
*/
#ifdef USE_OPENSSL
#include <openssl/sha.h>
#else
/* public api for steve reid's public domain SHA-1 implementation */
/* this file is in the public domain */
/** SHA-1 Context */
typedef struct {
uint32_t state[5]; /**< Context state */
uint32_t count[2]; /**< Counter */
uint8_t buffer[64]; /**< SHA-1 buffer */
} SHA1_CTX;
/** SHA-1 Context (OpenSSL compat) */
typedef SHA1_CTX SHA_CTX;
/** SHA-1 Digest size in bytes */
#define SHA1_DIGEST_SIZE 20
/** SHA-1 Digest size in bytes (OpenSSL compat) */
#define SHA_DIGEST_LENGTH SHA1_DIGEST_SIZE
void SHA1_Init(SHA1_CTX* context);
void SHA1_Update(SHA1_CTX* context, const void *p, size_t len);
void SHA1_Final(uint8_t digest[SHA1_DIGEST_SIZE], SHA1_CTX* context);
#endif
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