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// Copyright 2008 Google Inc. All Rights Reserved.
// Author: mschilder@google.com (Marius Schilder)
#ifndef _EMBEDDED_SHA_H_
#define _EMBEDDED_SHA_H_
#include <inttypes.h>
#ifdef __cplusplus
extern "C" {
#endif // __cplusplus
typedef struct SHA_CTX {
uint64_t count;
uint32_t state[5];
union {
uint8_t b[64];
uint32_t w[16];
} buf;
} SHA_CTX;
void SHA_init(SHA_CTX* ctx);
void SHA_update(SHA_CTX* ctx, const void* data, int len);
const uint8_t* SHA_final(SHA_CTX* ctx);
// Convenience method. Returns digest parameter value.
const uint8_t* SHA(const void* data, int len, uint8_t* digest);
#define SHA_DIGEST_SIZE 20
#ifdef __cplusplus
}
#endif // __cplusplus
#endif // _EMBEDDED_SHA_H_
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