FormatEdit online The format of CSNBHMV. CSNBHMV( return_code, reason_code, exit_data_length, exit_data, rule_array_count, rule_array, key_identifier_length, key_identifier, text_length, text, chaining_vector_length, chaining_vector, mac_length, mac) Parent topic: HMAC Verify (CSNBHMV)