godot/thirdparty/mbedtls/library/sha1.c

/*
 *  FIPS-180-1 compliant SHA-1 implementation
 *
 *  Copyright The Mbed TLS Contributors
 *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 */
/*
 *  The SHA-1 standard was published by NIST in 1993.
 *
 *  http://www.itl.nist.gov/fipspubs/fip180-1.htm
 */

#include "common.h"

#if defined(MBEDTLS_SHA1_C)

#include "mbedtls/sha1.h"
#include "mbedtls/platform_util.h"
#include "mbedtls/error.h"

#include <string.h>

#include "mbedtls/platform.h"

#if !defined(MBEDTLS_SHA1_ALT)

void mbedtls_sha1_init(mbedtls_sha1_context *ctx)
{ … }

void mbedtls_sha1_free(mbedtls_sha1_context *ctx)
{ … }

void mbedtls_sha1_clone(mbedtls_sha1_context *dst,
                        const mbedtls_sha1_context *src)
{ … }

/*
 * SHA-1 context setup
 */
int mbedtls_sha1_starts(mbedtls_sha1_context *ctx)
{ … }

#if !defined(MBEDTLS_SHA1_PROCESS_ALT)
int mbedtls_internal_sha1_process(mbedtls_sha1_context *ctx,
                                  const unsigned char data[64])
{ … }

#endif /* !MBEDTLS_SHA1_PROCESS_ALT */

/*
 * SHA-1 process buffer
 */
int mbedtls_sha1_update(mbedtls_sha1_context *ctx,
                        const unsigned char *input,
                        size_t ilen)
{ … }

/*
 * SHA-1 final digest
 */
int mbedtls_sha1_finish(mbedtls_sha1_context *ctx,
                        unsigned char output[20])
{ … }

#endif /* !MBEDTLS_SHA1_ALT */

/*
 * output = SHA-1( input buffer )
 */
int mbedtls_sha1(const unsigned char *input,
                 size_t ilen,
                 unsigned char output[20])
{ … }

#if defined(MBEDTLS_SELF_TEST)
/*
 * FIPS-180-1 test vectors
 */
static const unsigned char sha1_test_buf[3][57] = …;

static const size_t sha1_test_buflen[3] = …;

static const unsigned char sha1_test_sum[3][20] = …;

/*
 * Checkup routine
 */
int mbedtls_sha1_self_test(int verbose)
{ … }

#endif /* MBEDTLS_SELF_TEST */

#endif /* MBEDTLS_SHA1_C */