
INTEGER 
reserved(0), invalidPayloadType(1), doiNotSupported(2), situationNotSupported(3), invalidCookie(4), invalidMajorVersion(5), invalidMinorVersion(6), invalidExchangeType(7), invalidFlags(8), invalidMessageId(9), invalidProtocolId(10), invalidSpi(11), invalidTransformId(12), attributesNotSupported(13), noProposalChosen(14), badProposalSyntax(15), payloadMalformed(16), invalidKeyInformation(17), invalidIdInformation(18), invalidCertEncoding(19), invalidCertificate(20), certTypeUnsupported(21), invalidCertAuthority(22), invalidHashInformation(23), authenticationFailed(24), invalidSignature(25), addressNotification(26), notifySaLifetime(27), certificateUnavailable(28), unsupportedExchangeType(29), unequalPayloadLengths(30), responderLifetime(24576), replayStatus(24577), initialContact(24578) 
