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return a defined error when the AEAD cannot open a packet

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Marten Seemann
2019-06-12 21:27:27 +08:00
parent 1fb970cbac
commit c522bcc683
9 changed files with 61 additions and 23 deletions
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13
internal/handshake/interface.go
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@@ -2,12 +2,25 @@ package handshake
import (
"crypto/tls"
"errors"
"io"
"github.com/lucas-clemente/quic-go/internal/protocol"
"github.com/marten-seemann/qtls"
)
var (
// ErrOpenerNotYetAvailable is returned when an opener is requested for an encryption level,
// but the corresponding opener has not yet been initialized
// This can happen when packets arrive out of order.
ErrOpenerNotYetAvailable = errors.New("CryptoSetup: opener at this encryption level not yet available")
// ErrKeysDropped is returned when an opener or a sealer is requested for an encryption level,
// but the corresponding keys have already been dropped.
ErrKeysDropped = errors.New("CryptoSetup: keys were already dropped")
// ErrDecryptionFailed is returned when the AEAD fails to open the packet.
ErrDecryptionFailed = errors.New("decryption failed")
)
type headerDecryptor interface {
DecryptHeader(sample []byte, firstByte *byte, pnBytes []byte)
}