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Index ¶
Constants ¶
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Variables ¶
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Functions ¶
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Types ¶
type ControlCipher ¶
type ControlCipher interface {
// MACSize returns the number of bytes in the MAC.
MACSize() int
// Seal replaces the message with an authenticated and encrypted version.
// The trailing MACSize bytes of the data are used for the MAC; they are
// discarded and overwritten.
Seal(data []byte) error
// Open authenticates and decrypts a box produced by Seal. The trailing
// MACSize bytes are not changed. Returns true on success.
Open(data []byte) bool
// Encrypt encrypts the data in place. No MAC is added.
Encrypt(data []byte)
// Decrypt decrypts the data in place. No MAC is verified.
Decrypt(data []byte)
// ChannelBinding Returns a byte slice that is unique for the the
// particular cipher (and the parties between which it is operating).
// Having both parties assert out of the band that they are indeed
// participating in a connection with that channel binding value is
// sufficient to authenticate the data received through the cipher.
ChannelBinding() []byte
}
ControlCipher provides the ciphers and MAC for control channel encryption. Encryption and decryption are performed in place.
func NewControlCipherRPC11 ¶
func NewControlCipherRPC11(myPublicKey, myPrivateKey, theirPublicKey *BoxKey) ControlCipher
NewControlCipher returns a ControlCipher for RPC versions greater than or equal to 11.
func NewDisabledControlCipher ¶
func NewDisabledControlCipher(c ControlCipher) ControlCipher
NewDisabledControlCipher returns a cipher that has the correct MACSize, but encryption and decryption are disabled.
type NullControlCipher ¶
type NullControlCipher struct{}
NullControlCipher is a cipher that does nothing.
func (NullControlCipher) ChannelBinding ¶
func (NullControlCipher) ChannelBinding() []byte
func (NullControlCipher) Decrypt ¶
func (NullControlCipher) Decrypt(data []byte)
func (NullControlCipher) Encrypt ¶
func (NullControlCipher) Encrypt(data []byte)
func (NullControlCipher) MACSize ¶
func (NullControlCipher) MACSize() int
func (NullControlCipher) Open ¶
func (NullControlCipher) Open(data []byte) bool
func (NullControlCipher) Seal ¶
func (NullControlCipher) Seal(data []byte) error
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