mirror of
https://github.com/yuzu-emu/mbedtls.git
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b34e42e69e
The self test is a quick way to check at startup whether the entropy sources are functioning correctly. The self test only polls 8 bytes from the default entropy source and performs the following checks: - The bytes are not all 0x00 or 0xFF. - The hardware does not return an error when polled. - The entropy does not provide data in a patter. Only check pattern at byte, word and long word sizes.
450 lines
10 KiB
C
450 lines
10 KiB
C
/*
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* Self-test demonstration program
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*
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* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* 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, WITHOUT
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* 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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* This file is part of mbed TLS (https://tls.mbed.org)
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*/
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#if !defined(MBEDTLS_CONFIG_FILE)
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#include "mbedtls/config.h"
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#else
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#include MBEDTLS_CONFIG_FILE
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#endif
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#include "mbedtls/entropy.h"
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#include "mbedtls/entropy_poll.h"
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#include "mbedtls/hmac_drbg.h"
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#include "mbedtls/ctr_drbg.h"
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#include "mbedtls/dhm.h"
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#include "mbedtls/gcm.h"
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#include "mbedtls/ccm.h"
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#include "mbedtls/md2.h"
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#include "mbedtls/md4.h"
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#include "mbedtls/md5.h"
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#include "mbedtls/ripemd160.h"
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#include "mbedtls/sha1.h"
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#include "mbedtls/sha256.h"
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#include "mbedtls/sha512.h"
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#include "mbedtls/arc4.h"
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#include "mbedtls/des.h"
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#include "mbedtls/aes.h"
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#include "mbedtls/camellia.h"
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#include "mbedtls/base64.h"
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#include "mbedtls/bignum.h"
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#include "mbedtls/rsa.h"
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#include "mbedtls/x509.h"
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#include "mbedtls/xtea.h"
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#include "mbedtls/pkcs5.h"
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#include "mbedtls/ecp.h"
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#include "mbedtls/ecjpake.h"
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#include "mbedtls/timing.h"
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#include <string.h>
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#if defined(MBEDTLS_PLATFORM_C)
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#include "mbedtls/platform.h"
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#else
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#include <stdio.h>
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#include <stdlib.h>
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#define mbedtls_printf printf
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#define mbedtls_snprintf snprintf
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#define mbedtls_exit exit
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#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS
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#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
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#endif
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#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
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#include "mbedtls/memory_buffer_alloc.h"
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#endif
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static int test_snprintf( size_t n, const char ref_buf[10], int ref_ret )
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{
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int ret;
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char buf[10] = "xxxxxxxxx";
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const char ref[10] = "xxxxxxxxx";
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ret = mbedtls_snprintf( buf, n, "%s", "123" );
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if( ret < 0 || (size_t) ret >= n )
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ret = -1;
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if( strncmp( ref_buf, buf, sizeof( buf ) ) != 0 ||
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ref_ret != ret ||
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memcmp( buf + n, ref + n, sizeof( buf ) - n ) != 0 )
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{
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return( 1 );
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}
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return( 0 );
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}
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static int run_test_snprintf( void )
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{
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return( test_snprintf( 0, "xxxxxxxxx", -1 ) != 0 ||
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test_snprintf( 1, "", -1 ) != 0 ||
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test_snprintf( 2, "1", -1 ) != 0 ||
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test_snprintf( 3, "12", -1 ) != 0 ||
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test_snprintf( 4, "123", 3 ) != 0 ||
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test_snprintf( 5, "123", 3 ) != 0 );
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}
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/*
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* Check if a seed file is present, and if not create one for the entropy
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* self-test. If this fails, we attempt the test anyway, so no error is passed
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* back.
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*/
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#if defined(MBEDTLS_SELF_TEST) && defined(MBEDTLS_ENTROPY_C) && \
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defined(MBEDTLS_ENTROPY_NV_SEED) && !defined(MBEDTLS_NO_PLATFORM_ENTROPY)
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static void create_entropy_seed_file( void )
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{
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int result;
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size_t output_len = 0;
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unsigned char seed_value[MBEDTLS_ENTROPY_BLOCK_SIZE];
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/* Attempt to read the entropy seed file. If this fails - attempt to write
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* to the file to ensure one is present. */
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result = mbedtls_platform_std_nv_seed_read( seed_value,
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MBEDTLS_ENTROPY_BLOCK_SIZE );
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if( 0 == result )
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return;
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result = mbedtls_platform_entropy_poll( NULL,
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seed_value,
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MBEDTLS_ENTROPY_BLOCK_SIZE,
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&output_len );
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if( 0 != result )
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return;
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if( MBEDTLS_ENTROPY_BLOCK_SIZE != output_len )
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return;
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mbedtls_platform_std_nv_seed_write( seed_value, MBEDTLS_ENTROPY_BLOCK_SIZE );
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}
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#endif
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int main( int argc, char *argv[] )
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{
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int v, suites_tested = 0, suites_failed = 0;
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#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) && defined(MBEDTLS_SELF_TEST)
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unsigned char buf[1000000];
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#endif
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void *pointer;
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/*
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* The C standard doesn't guarantee that all-bits-0 is the representation
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* of a NULL pointer. We do however use that in our code for initializing
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* structures, which should work on every modern platform. Let's be sure.
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*/
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memset( &pointer, 0, sizeof( void * ) );
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if( pointer != NULL )
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{
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mbedtls_printf( "all-bits-zero is not a NULL pointer\n" );
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mbedtls_exit( MBEDTLS_EXIT_FAILURE );
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}
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/*
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* Make sure we have a snprintf that correctly zero-terminates
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*/
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if( run_test_snprintf() != 0 )
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{
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mbedtls_printf( "the snprintf implementation is broken\n" );
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mbedtls_exit( MBEDTLS_EXIT_FAILURE );
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}
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if( argc == 2 && ( strcmp( argv[1], "--quiet" ) == 0 ||
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strcmp( argv[1], "-q" ) == 0 ) )
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{
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v = 0;
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}
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else
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{
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v = 1;
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mbedtls_printf( "\n" );
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}
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#if defined(MBEDTLS_SELF_TEST)
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#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
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mbedtls_memory_buffer_alloc_init( buf, sizeof(buf) );
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#endif
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#if defined(MBEDTLS_MD2_C)
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if( mbedtls_md2_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_MD4_C)
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if( mbedtls_md4_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_MD5_C)
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if( mbedtls_md5_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_RIPEMD160_C)
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if( mbedtls_ripemd160_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_SHA1_C)
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if( mbedtls_sha1_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_SHA256_C)
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if( mbedtls_sha256_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_SHA512_C)
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if( mbedtls_sha512_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_ARC4_C)
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if( mbedtls_arc4_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_DES_C)
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if( mbedtls_des_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_AES_C)
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if( mbedtls_aes_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_GCM_C) && defined(MBEDTLS_AES_C)
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if( mbedtls_gcm_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_CCM_C) && defined(MBEDTLS_AES_C)
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if( mbedtls_ccm_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_BASE64_C)
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if( mbedtls_base64_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_BIGNUM_C)
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if( mbedtls_mpi_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_RSA_C)
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if( mbedtls_rsa_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_X509_USE_C)
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if( mbedtls_x509_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_XTEA_C)
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if( mbedtls_xtea_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_CAMELLIA_C)
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if( mbedtls_camellia_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_CTR_DRBG_C)
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if( mbedtls_ctr_drbg_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_HMAC_DRBG_C)
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if( mbedtls_hmac_drbg_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_ECP_C)
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if( mbedtls_ecp_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_ECJPAKE_C)
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if( mbedtls_ecjpake_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_DHM_C)
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if( mbedtls_dhm_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#if defined(MBEDTLS_ENTROPY_C)
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#if defined(MBEDTLS_ENTROPY_NV_SEED) && !defined(MBEDTLS_NO_PLATFORM_ENTROPY)
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create_entropy_seed_file();
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#endif
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if( mbedtls_entropy_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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#if !defined(MBEDTLS_TEST_NULL_ENTROPY) && defined(MBEDTLS_ENTROPY_HARDWARE_ALT)
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if( mbedtls_entropy_self_test_bias( v ) != 0)
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{
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suites_failed++;
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}
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#endif
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suites_tested++;
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#endif
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#if defined(MBEDTLS_PKCS5_C)
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if( mbedtls_pkcs5_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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/* Slow tests last */
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#if defined(MBEDTLS_TIMING_C)
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if( mbedtls_timing_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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if( v != 0 )
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{
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#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) && defined(MBEDTLS_MEMORY_DEBUG)
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mbedtls_memory_buffer_alloc_status();
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#endif
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}
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#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C)
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mbedtls_memory_buffer_alloc_free();
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if( mbedtls_memory_buffer_alloc_self_test( v ) != 0 )
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{
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suites_failed++;
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}
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suites_tested++;
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#endif
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#else
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mbedtls_printf( " MBEDTLS_SELF_TEST not defined.\n" );
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#endif
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if( v != 0 )
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{
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mbedtls_printf( " Executed %d test suites\n\n", suites_tested );
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if( suites_failed > 0)
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{
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mbedtls_printf( " [ %d tests FAIL ]\n\n", suites_failed );
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}
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else
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{
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mbedtls_printf( " [ All tests PASS ]\n\n" );
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}
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#if defined(_WIN32)
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mbedtls_printf( " Press Enter to exit this program.\n" );
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fflush( stdout ); getchar();
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#endif
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}
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if( suites_failed > 0)
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mbedtls_exit( MBEDTLS_EXIT_FAILURE );
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/* return() is here to prevent compiler warnings */
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return( MBEDTLS_EXIT_SUCCESS );
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}
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