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#pragma once
/**
* @file
* @brief SHA1 Declarations
*/
#ifdef __cplusplus
extern "C" {
#endif
/**
* @addtogroup sha1 SHA-1 in C
*
* Copyright (C) 2010 nobody (this is public domain)
*
* This file is based on public domain code.
* Initial source code is in the public domain,
* so clarified by Steve Reid <steve@edmweb.com>
*
* @{
*/
#define SHA1_BLOCK_LENGTH 64
#define SHA1_DIGEST_LENGTH 20
#define SHA1_DIGEST_STRING_LENGTH (SHA1_DIGEST_LENGTH * 2 + 1)
typedef struct {
uint32_t state[5];
uint64_t count;
uint8_t buffer[SHA1_BLOCK_LENGTH];
} SHA1_CTX;
void SHA1Init(SHA1_CTX *);
void SHA1Pad(SHA1_CTX *);
void SHA1Transform(uint32_t [5], const uint8_t [SHA1_BLOCK_LENGTH]);
void SHA1Update(SHA1_CTX *, const uint8_t *, size_t);
void SHA1Final(uint8_t [SHA1_DIGEST_LENGTH], SHA1_CTX *);
/** @} */
#ifdef __cplusplus
}
#endif
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