Fix memory leak in psa_copy_key
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 3d86e85..d9d4870 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -1228,16 +1228,15 @@
psa_get_key_bits( source ) );
buffer = mbedtls_calloc( 1, buffer_size );
if( buffer == NULL )
- {
- status = PSA_ERROR_INSUFFICIENT_MEMORY;
- goto exit;
- }
+ return( PSA_ERROR_INSUFFICIENT_MEMORY );
status = psa_internal_export_key( source, buffer, buffer_size, &length, 0 );
if( status != PSA_SUCCESS )
goto exit;
status = psa_import_key( target, source->type, buffer, length );
exit:
+ mbedtls_platform_zeroize( buffer, buffer_size );
+ mbedtls_free( buffer );
return( status );
}