Fix memory leaks in CMAC tests

This commit is contained in:
Janos Follath 2016-10-12 10:00:42 +01:00
parent 8abc6b86f9
commit d444358247
2 changed files with 15 additions and 8 deletions

View file

@ -737,19 +737,19 @@ static int cmac_test_subkeys( int verbose,
return( MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE ); return( MBEDTLS_ERR_CIPHER_FEATURE_UNAVAILABLE );
} }
mbedtls_cipher_init( &ctx );
for( i = 0; i < num_tests; i++ ) for( i = 0; i < num_tests; i++ )
{ {
if( verbose != 0 ) if( verbose != 0 )
mbedtls_printf( " %s CMAC subkey #%u: ", testname, i + 1 ); mbedtls_printf( " %s CMAC subkey #%u: ", testname, i + 1 );
mbedtls_cipher_init( &ctx );
if( ( ret = mbedtls_cipher_setup( &ctx, cipher_info ) ) != 0 ) if( ( ret = mbedtls_cipher_setup( &ctx, cipher_info ) ) != 0 )
{ {
if( verbose != 0 ) if( verbose != 0 )
mbedtls_printf( "test execution failed\n" ); mbedtls_printf( "test execution failed\n" );
goto exit; goto cleanup;
} }
if( ( ret = mbedtls_cipher_setkey( &ctx, key, keybits, if( ( ret = mbedtls_cipher_setkey( &ctx, key, keybits,
@ -758,7 +758,7 @@ static int cmac_test_subkeys( int verbose,
if( verbose != 0 ) if( verbose != 0 )
mbedtls_printf( "test execution failed\n" ); mbedtls_printf( "test execution failed\n" );
goto exit; goto cleanup;
} }
ret = cmac_generate_subkeys( &ctx, K1, K2 ); ret = cmac_generate_subkeys( &ctx, K1, K2 );
@ -766,7 +766,8 @@ static int cmac_test_subkeys( int verbose,
{ {
if( verbose != 0 ) if( verbose != 0 )
mbedtls_printf( "failed\n" ); mbedtls_printf( "failed\n" );
goto exit;
goto cleanup;
} }
if( ( ret = memcmp( K1, subkeys, block_size ) ) != 0 || if( ( ret = memcmp( K1, subkeys, block_size ) ) != 0 ||
@ -774,16 +775,22 @@ static int cmac_test_subkeys( int verbose,
{ {
if( verbose != 0 ) if( verbose != 0 )
mbedtls_printf( "failed\n" ); mbedtls_printf( "failed\n" );
goto exit;
goto cleanup;
} }
if( verbose != 0 ) if( verbose != 0 )
mbedtls_printf( "passed\n" ); mbedtls_printf( "passed\n" );
mbedtls_cipher_free( &ctx );
} }
exit: goto exit;
cleanup:
mbedtls_cipher_free( &ctx ); mbedtls_cipher_free( &ctx );
exit:
return( ret ); return( ret );
} }

View file

@ -93,7 +93,6 @@ void mbedtls_cmac_null_args( )
NULL ) == NULL ) ==
MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA ); MBEDTLS_ERR_CIPHER_BAD_INPUT_DATA );
exit: exit:
mbedtls_cipher_free( &ctx ); mbedtls_cipher_free( &ctx );
} }
@ -114,6 +113,7 @@ void mbedtls_cmac_setkey( int cipher_type, int key_size,
TEST_ASSERT( ( cipher_info = mbedtls_cipher_info_from_type( cipher_type ) ) TEST_ASSERT( ( cipher_info = mbedtls_cipher_info_from_type( cipher_type ) )
!= NULL ); != NULL );
memset( buf, 0x2A, sizeof( buf ) );
TEST_ASSERT( ( result == mbedtls_cipher_cmac( cipher_info, key, key_size, TEST_ASSERT( ( result == mbedtls_cipher_cmac( cipher_info, key, key_size,
buf, 16, tmp ) ) != 0 ); buf, 16, tmp ) ) != 0 );
} }