/*
 * SHA1 routine optimized to do word accesses rather than byte accesses,
 * and to avoid unnecessary copies into the context array.
 *
 * This was initially based on the Mozilla SHA1 implementation, although
 * none of the original Mozilla code remains.
 */

#include <string.h>
#include <stdlib.h>
#include <stdint.h>
#include "bswap.h"

typedef struct {
	unsigned long long size;
	unsigned int H[5];
	unsigned int W[16];
} blk_SHA_CTX;

void blk_SHA1_Init(blk_SHA_CTX *ctx);
void blk_SHA1_Update(blk_SHA_CTX *ctx, const void *dataIn, unsigned long len);
void blk_SHA1_Final(unsigned char hashout[20], blk_SHA_CTX *ctx);

#define platform_SHA_CTX	blk_SHA_CTX
#define platform_SHA1_Init	blk_SHA1_Init
#define platform_SHA1_Update	blk_SHA1_Update
#define platform_SHA1_Final	blk_SHA1_Final

#define SHA_CTX      blk_SHA_CTX
#define SHA1_Init    blk_SHA1_Init
#define SHA1_Update  blk_SHA1_Update
#define SHA1_Final   blk_SHA1_Final
