mirror of
https://github.com/jart/cosmopolitan.git
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117 lines
4.4 KiB
C
117 lines
4.4 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:4;tab-width:4;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright The Mbed TLS Contributors │
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│ │
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│ Licensed under the Apache License, Version 2.0 (the "License"); │
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│ you may not use this file except in compliance with the License. │
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│ You may obtain a copy of the License at │
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│ │
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│ http://www.apache.org/licenses/LICENSE-2.0 │
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│ │
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│ Unless required by applicable law or agreed to in writing, software │
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│ distributed under the License is distributed on an "AS IS" BASIS, │
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│ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. │
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│ See the License for the specific language governing permissions and │
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│ limitations under the License. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/str/str.h"
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#include "third_party/mbedtls/platform.h"
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#include "third_party/mbedtls/sha1.h"
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asm(".ident\t\"\\n\\n\
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Mbed TLS (Apache 2.0)\\n\
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Copyright ARM Limited\\n\
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Copyright Mbed TLS Contributors\"");
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asm(".include \"libc/disclaimer.inc\"");
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// clang-format off
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/*
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* FIPS-180-1 test vectors
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*/
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static const unsigned char sha1_test_buf[3][57] =
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{
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{ "abc" },
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{ "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" },
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{ "" }
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};
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static const size_t sha1_test_buflen[3] =
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{
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3, 56, 1000
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};
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static const unsigned char sha1_test_sum[3][20] =
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{
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{ 0xA9, 0x99, 0x3E, 0x36, 0x47, 0x06, 0x81, 0x6A, 0xBA, 0x3E,
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0x25, 0x71, 0x78, 0x50, 0xC2, 0x6C, 0x9C, 0xD0, 0xD8, 0x9D },
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{ 0x84, 0x98, 0x3E, 0x44, 0x1C, 0x3B, 0xD2, 0x6E, 0xBA, 0xAE,
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0x4A, 0xA1, 0xF9, 0x51, 0x29, 0xE5, 0xE5, 0x46, 0x70, 0xF1 },
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{ 0x34, 0xAA, 0x97, 0x3C, 0xD4, 0xC4, 0xDA, 0xA4, 0xF6, 0x1E,
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0xEB, 0x2B, 0xDB, 0xAD, 0x27, 0x31, 0x65, 0x34, 0x01, 0x6F }
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};
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/**
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* \brief The SHA-1 checkup routine.
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*
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* \warning SHA-1 is considered a weak message digest and its use
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* constitutes a security risk. We recommend considering
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* stronger message digests instead.
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*
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* \return \c 0 on success.
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* \return \c 1 on failure.
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*
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*/
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int mbedtls_sha1_self_test( int verbose )
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{
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int i, j, buflen, ret = 0;
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unsigned char buf[1024];
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unsigned char sha1sum[20];
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mbedtls_sha1_context ctx;
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mbedtls_sha1_init( &ctx );
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/*
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* SHA-1
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*/
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for( i = 0; i < 3; i++ )
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{
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if( verbose != 0 )
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mbedtls_printf( " SHA-1 test #%d: ", i + 1 );
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if( ( ret = mbedtls_sha1_starts_ret( &ctx ) ) != 0 )
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goto fail;
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if( i == 2 )
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{
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memset( buf, 'a', buflen = 1000 );
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for( j = 0; j < 1000; j++ )
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{
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ret = mbedtls_sha1_update_ret( &ctx, buf, buflen );
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if( ret != 0 )
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goto fail;
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}
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}
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else
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{
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ret = mbedtls_sha1_update_ret( &ctx, sha1_test_buf[i],
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sha1_test_buflen[i] );
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if( ret != 0 )
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goto fail;
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}
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if( ( ret = mbedtls_sha1_finish_ret( &ctx, sha1sum ) ) != 0 )
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goto fail;
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if( timingsafe_bcmp( sha1sum, sha1_test_sum[i], 20 ) != 0 )
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{
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ret = 1;
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goto fail;
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}
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if( verbose != 0 )
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mbedtls_printf( "passed\n" );
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}
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if( verbose != 0 )
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mbedtls_printf( "\n" );
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goto exit;
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fail:
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if( verbose != 0 )
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mbedtls_printf( "failed\n" );
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exit:
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mbedtls_sha1_free( &ctx );
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return( ret );
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}
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