1package dtls 2 3import "errors" 4 5// Typed errors 6var ( 7 ErrConnClosed = errors.New("dtls: conn is closed") 8 9 errBufferTooSmall = errors.New("dtls: buffer is too small") 10 errClientCertificateRequired = errors.New("dtls: server required client verification, but got none") 11 errClientCertificateNotVerified = errors.New("dtls: client sent certificate but did not verify it") 12 errCertificateVerifyNoCertificate = errors.New("dtls: client sent certificate verify but we have no certificate to verify") 13 errCipherSuiteNoIntersection = errors.New("dtls: Client+Server do not support any shared cipher suites") 14 errCipherSuiteUnset = errors.New("dtls: server hello can not be created without a cipher suite") 15 errCompressionMethodUnset = errors.New("dtls: server hello can not be created without a compression method") 16 errContextUnsupported = errors.New("dtls: context is not supported for ExportKeyingMaterial") 17 errCookieMismatch = errors.New("dtls: Client+Server cookie does not match") 18 errCookieTooLong = errors.New("dtls: cookie must not be longer then 255 bytes") 19 errDTLSPacketInvalidLength = errors.New("dtls: packet is too short") 20 errHandshakeInProgress = errors.New("dtls: Handshake is in progress") 21 errHandshakeMessageUnset = errors.New("dtls: handshake message unset, unable to marshal") 22 errInvalidCipherSpec = errors.New("dtls: cipher spec invalid") 23 errInvalidCipherSuite = errors.New("dtls: invalid or unknown cipher suite") 24 errInvalidCompressionMethod = errors.New("dtls: invalid or unknown compression method") 25 errInvalidContentType = errors.New("dtls: invalid content type") 26 errInvalidECDSASignature = errors.New("dtls: ECDSA signature contained zero or negative values") 27 errInvalidEllipticCurveType = errors.New("dtls: invalid or unknown elliptic curve type") 28 errInvalidExtensionType = errors.New("dtls: invalid extension type") 29 errInvalidHashAlgorithm = errors.New("dtls: invalid hash algorithm") 30 errInvalidMAC = errors.New("dtls: invalid mac") 31 errInvalidNamedCurve = errors.New("dtls: invalid named curve") 32 errInvalidPrivateKey = errors.New("dtls: invalid private key type") 33 errInvalidSignatureAlgorithm = errors.New("dtls: invalid signature algorithm") 34 errKeySignatureGenerateUnimplemented = errors.New("dtls: Unable to generate key signature, unimplemented") 35 errKeySignatureMismatch = errors.New("dtls: Expected and actual key signature do not match") 36 errKeySignatureVerifyUnimplemented = errors.New("dtls: Unable to verify key signature, unimplemented") 37 errLengthMismatch = errors.New("dtls: data length and declared length do not match") 38 errNilNextConn = errors.New("dtls: Conn can not be created with a nil nextConn") 39 errNotEnoughRoomForNonce = errors.New("dtls: Buffer not long enough to contain nonce") 40 errNotImplemented = errors.New("dtls: feature has not been implemented yet") 41 errReservedExportKeyingMaterial = errors.New("dtls: ExportKeyingMaterial can not be used with a reserved label") 42 errSequenceNumberOverflow = errors.New("dtls: sequence number overflow") 43 errServerMustHaveCertificate = errors.New("dtls: Certificate is mandatory for server") 44 errUnableToMarshalFragmented = errors.New("dtls: unable to marshal fragmented handshakes") 45 errVerifyDataMismatch = errors.New("dtls: Expected and actual verify data does not match") 46 errNoConfigProvided = errors.New("dtls: No config provided") 47 errPSKAndCertificate = errors.New("dtls: Certificate and PSK provided") 48 errPSKAndIdentityMustBeSetForClient = errors.New("dtls: PSK and PSK Identity Hint must both be set for client") 49 errIdentityNoPSK = errors.New("dtls: Identity Hint provided but PSK is nil") 50 errNoAvailableCipherSuites = errors.New("dtls: Connection can not be created, no CipherSuites satisfy this Config") 51 errInvalidClientKeyExchange = errors.New("dtls: Unable to determine if ClientKeyExchange is a public key or PSK Identity") 52 errNoSupportedEllipticCurves = errors.New("dtls: Client requested zero or more elliptic curves that are not supported by the server") 53 errConnectTimeout = errors.New("dtls: The connection timed out during the handshake") 54 errRequestedButNoSRTPExtension = errors.New("dtls: SRTP support was requested but server did not respond with use_srtp extension") 55 errClientNoMatchingSRTPProfile = errors.New("dtls: Server responded with SRTP Profile we do not support") 56 errServerNoMatchingSRTPProfile = errors.New("dtls: Client requested SRTP but we have no matching profiles") 57 errServerRequiredButNoClientEMS = errors.New("dtls: Server requires the Extended Master Secret extension, but the client does not support it") 58 errClientRequiredButNoServerEMS = errors.New("dtls: Client required Extended Master Secret extension, but server does not support it") 59 errInvalidFingerprintLength = errors.New("dtls: Invalid fingerprint length") 60 errInvalidCertificate = errors.New("dtls: No certificate provided") 61) 62