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// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
// SPDX-License-Identifier: MIT
package srtp
import (
"errors"
"fmt"
)
var (
// ErrFailedToVerifyAuthTag is returned when decryption fails due to invalid authentication tag.
ErrFailedToVerifyAuthTag = errors.New("failed to verify auth tag")
// ErrMKINotFound is returned when decryption fails due to unknown MKI value in packet.
ErrMKINotFound = errors.New("MKI not found")
errDuplicated = errors.New("duplicated packet")
errShortSrtpMasterKey = errors.New("SRTP master key is not long enough")
errShortSrtpMasterSalt = errors.New("SRTP master salt is not long enough")
errNoSuchSRTPProfile = errors.New("no such SRTP Profile")
errNonZeroKDRNotSupported = errors.New("indexOverKdr > 0 is not supported yet")
errExporterWrongLabel = errors.New("exporter called with wrong label")
errNoConfig = errors.New("no config provided")
errNoConn = errors.New("no conn provided")
errTooShortRTP = errors.New("packet is too short to be RTP packet")
errTooShortRTCP = errors.New("packet is too short to be RTCP packet")
errPayloadDiffers = errors.New("payload differs")
errStartedChannelUsedIncorrectly = errors.New("started channel used incorrectly, should only be closed")
errBadIVLength = errors.New("bad iv length in xorBytesCTR")
errExceededMaxPackets = errors.New("exceeded the maximum number of packets")
errMKIAlreadyInUse = errors.New("MKI already in use")
errMKIIsNotEnabled = errors.New("MKI is not enabled")
errInvalidMKILength = errors.New("invalid MKI length")
errTooLongSRTPAuthTag = errors.New("SRTP auth tag is too long")
errTooShortSRTPAuthTag = errors.New("SRTP auth tag is too short")
errStreamNotInited = errors.New("stream has not been inited, unable to close")
errStreamAlreadyClosed = errors.New("stream is already closed")
errStreamAlreadyInited = errors.New("stream is already inited")
errFailedTypeAssertion = errors.New("failed to cast child")
errZeroRocTransmitRate = errors.New("ROC transmit rate is zero")
errUnsupportedRccMode = errors.New("unsupported RCC mode")
errUnsupportedHeaderExtension = errors.New("unsupported header extension")
errHeaderLengthMismatch = errors.New("header length mismatch")
errUnencryptedHeaderExtAndCSRCs = errors.New("unencrypted header extensions and CSRCs are not allowed")
errCryptexDisabled = errors.New("cryptex is disabled")
)
type duplicatedError struct {
Proto string // srtp or srtcp
SSRC uint32
Index uint32 // sequence number or index
}
func (e *duplicatedError) Error() string {
return fmt.Sprintf("%s ssrc=%d index=%d: %v", e.Proto, e.SSRC, e.Index, errDuplicated)
}
func (e *duplicatedError) Unwrap() error {
return errDuplicated
}
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