diff options
Diffstat (limited to 'lib/mbedtls-2.27.0/programs/test/zeroize.c')
-rw-r--r-- | lib/mbedtls-2.27.0/programs/test/zeroize.c | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/lib/mbedtls-2.27.0/programs/test/zeroize.c b/lib/mbedtls-2.27.0/programs/test/zeroize.c deleted file mode 100644 index 5e6b58e..0000000 --- a/lib/mbedtls-2.27.0/programs/test/zeroize.c +++ /dev/null @@ -1,98 +0,0 @@ -/* - * Zeroize application for debugger-driven testing - * - * This is a simple test application used for debugger-driven testing to check - * whether calls to mbedtls_platform_zeroize() are being eliminated by compiler - * optimizations. This application is used by the GDB script at - * tests/scripts/test_zeroize.gdb: the script sets a breakpoint at the last - * return statement in the main() function of this program. The debugger - * facilities are then used to manually inspect the memory and verify that the - * call to mbedtls_platform_zeroize() was not eliminated. - * - * Copyright The Mbed TLS Contributors - * SPDX-License-Identifier: Apache-2.0 - * - * Licensed under the Apache License, Version 2.0 (the "License"); you may - * not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT - * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#if !defined(MBEDTLS_CONFIG_FILE) -#include "mbedtls/config.h" -#else -#include MBEDTLS_CONFIG_FILE -#endif - -#include <stdio.h> - -#if defined(MBEDTLS_PLATFORM_C) -#include "mbedtls/platform.h" -#else -#include <stdlib.h> -#define mbedtls_printf printf -#define mbedtls_exit exit -#define MBEDTLS_EXIT_SUCCESS EXIT_SUCCESS -#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE -#endif - -#include "mbedtls/platform_util.h" - -#define BUFFER_LEN 1024 - -void usage( void ) -{ - mbedtls_printf( "Zeroize is a simple program to assist with testing\n" ); - mbedtls_printf( "the mbedtls_platform_zeroize() function by using the\n" ); - mbedtls_printf( "debugger. This program takes a file as input and\n" ); - mbedtls_printf( "prints the first %d characters. Usage:\n\n", BUFFER_LEN ); - mbedtls_printf( " zeroize <FILE>\n" ); -} - -int main( int argc, char** argv ) -{ - int exit_code = MBEDTLS_EXIT_FAILURE; - FILE *fp; - char buf[BUFFER_LEN]; - char *p = buf; - char *end = p + BUFFER_LEN; - int c; - - if( argc != 2 ) - { - mbedtls_printf( "This program takes exactly 1 agument\n" ); - usage(); - mbedtls_exit( exit_code ); - } - - fp = fopen( argv[1], "r" ); - if( fp == NULL ) - { - mbedtls_printf( "Could not open file '%s'\n", argv[1] ); - mbedtls_exit( exit_code ); - } - - while( ( c = fgetc( fp ) ) != EOF && p < end - 1 ) - *p++ = (char)c; - *p = '\0'; - - if( p - buf != 0 ) - { - mbedtls_printf( "%s\n", buf ); - exit_code = MBEDTLS_EXIT_SUCCESS; - } - else - mbedtls_printf( "The file is empty!\n" ); - - fclose( fp ); - mbedtls_platform_zeroize( buf, sizeof( buf ) ); - - mbedtls_exit( exit_code ); // GDB_BREAK_HERE -- don't remove this comment! -} |