~drizzle-trunk/drizzle/development

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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