Correct memory leak in pk_decrypt example program
@@ -73,7 +73,10 @@ int main( int argc, char *argv[] )
const char *pers = "mbedtls_pk_decrypt";
((void) argv);
+ mbedtls_pk_init( &pk );
+ mbedtls_entropy_init( &entropy );
mbedtls_ctr_drbg_init( &ctr_drbg );
+
memset(result, 0, sizeof( result ) );
if( argc != 2 )
@@ -90,7 +93,6 @@ int main( int argc, char *argv[] )
mbedtls_printf( "\n . Seeding the random number generator..." );
fflush( stdout );
- mbedtls_entropy_init( &entropy );
if( ( ret = mbedtls_ctr_drbg_seed( &ctr_drbg, mbedtls_entropy_func, &entropy,
(const unsigned char *) pers,
strlen( pers ) ) ) != 0 )
@@ -102,8 +104,6 @@ int main( int argc, char *argv[] )
mbedtls_printf( "\n . Reading private key from '%s'", argv[1] );
fflush( stdout );
- mbedtls_pk_init( &pk );
-
if( ( ret = mbedtls_pk_parse_keyfile( &pk, argv[1], "" ) ) != 0 )
{
mbedtls_printf( " failed\n ! mbedtls_pk_parse_keyfile returned -0x%04x\n", -ret );
@@ -116,6 +116,7 @@ int main( int argc, char *argv[] )
if( ( f = fopen( "result-enc.txt", "rb" ) ) == NULL )
{
mbedtls_printf( "\n ! Could not open %s\n\n", "result-enc.txt" );
+ ret = 1;
goto exit;
}
@@ -147,8 +148,10 @@ int main( int argc, char *argv[] )
exit_code = MBEDTLS_EXIT_SUCCESS;
exit:
- mbedtls_ctr_drbg_free( &ctr_drbg );
+
+ mbedtls_pk_free( &pk );
mbedtls_entropy_free( &entropy );
+ mbedtls_ctr_drbg_free( &ctr_drbg );
#if defined(MBEDTLS_ERROR_C)
if( exit_code != MBEDTLS_EXIT_SUCCESS )
