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/*
* sha.h
*
* Originally taken from the public domain SHA1 implementation
* written by by Steve Reid <steve@edmweb.com>
*
* Modified by Aaron D. Gifford <agifford@infowest.com>
*
* NO COPYRIGHT - THIS IS 100% IN THE PUBLIC DOMAIN
*
* The original unmodified version is available at:
* ftp://ftp.funet.fi/pub/crypt/hash/sha/sha1.c
*
* 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 __SHA1_H__
#define __SHA1_H__
#ifdef __cplusplus
extern "C" {
#endif
/* Make sure you define these types for your architecture: */
typedef unsigned int sha1_quadbyte; /* 4 byte type */
typedef unsigned char sha1_byte; /* single byte type */
/*
* Be sure to get the above definitions right. For instance, on my
* x86 based FreeBSD box, I define LITTLE_ENDIAN and use the type
* "unsigned long" for the quadbyte. On FreeBSD on the Alpha, however,
* while I still use LITTLE_ENDIAN, I must define the quadbyte type
* as "unsigned int" instead.
*/
#define SHA1_BLOCK_LENGTH 64
#define SHA1_DIGEST_LENGTH 20
/* The SHA1 structure: */
typedef struct _SHA_CTX {
sha1_quadbyte state[5];
sha1_quadbyte count[2];
sha1_byte buffer[SHA1_BLOCK_LENGTH];
} SHA_CTX;
void* SHA1_force_memset(void* s, int v, size_t n);
#ifndef NOPROTO
void SHA1_Init(SHA_CTX *context);
void SHA1_Update(SHA_CTX *context, sha1_byte *data, unsigned int len);
void SHA1_Final(sha1_byte digest[SHA1_DIGEST_LENGTH], SHA_CTX* context);
#else
void SHA1_Init();
void SHA1_Update();
void SHA1_Final();
#endif
#ifdef __cplusplus
}
#endif
#endif
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