lib/mbedtls
1
0
Fork 0
mirror of https://github.com/Mbed-TLS/mbedtls.git synced 2025-07-29 11:41:15 +03:00
Code Activity

Update zeroize test to use mbedtls_platform_zeroize()

Browse Source
This commit is contained in:
Andres Amaya Garcia
2018-04-17 10:14:53 -05:00
parent 9644983ae4
commit eecea0e281
2 changed files with 22 additions and 21 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
programs/test/zeroize.c
View File

@ -2,13 +2,14 @@
* Zeroize application for debugger-driven testing
*
* This is a simple test application used for debugger-driven testing to check
* whether calls to mbedtls_zeroize() are being eliminated by compiler
* 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 under the assumption that line numbers do not
* tests/scripts/test_zeroize.gdb under the assumption that the code does not
* change often (as opposed to the library code) because 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_zeroize() was not eliminated.
* memory and verify that the call to mbedtls_platform_zeroize() was not
* eliminated.
*
* Copyright (C) 2018, Arm Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
@ -45,14 +46,14 @@
#define MBEDTLS_EXIT_FAILURE EXIT_FAILURE
#endif
#include "mbedtls/utils.h"
#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_zeroize() function by using the\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" );
@ -94,7 +95,7 @@ int main( int argc, char** argv )
mbedtls_printf( "The file is empty!\n" );
fclose( fp );
mbedtls_zeroize( buf, sizeof( buf ) );
mbedtls_platform_zeroize( buf, sizeof( buf ) );
return( exit_code );
}