resets the hmac object for further use concode_field_sep byte[] opad concode_elem_sep byte OPAD concode_elem_sep int blockLength concode_elem_sep MessageDigest digest concode_elem_sep byte[] ipad concode_elem_sep byte IPAD concode_field_sep void init concode_elem_sep int digestLength concode_elem_sep byte[] sign concode_elem_sep void update concode_elem_sep void update concode_elem_sep boolean verify concode_elem_sep boolean verify
void function ( ) { digest . reset ( ) ; digest . update ( ipad ) ; }