crypt

Documentation

Index

• Variables
• type Cipher
  • func NewCipher(isServer bool) *Cipher
  • func (c *Cipher) Decrypt(hb *pbSecureMessage.HeaderAndBody) (*pbSecuregcm.DeviceToDeviceMessage, error)
  • func (c *Cipher) Encrypt(d2dMsg *pbSecuregcm.DeviceToDeviceMessage) (*pbSecureMessage.HeaderAndBody, error)
  • func (c *Cipher) Pin() uint16
  • func (c *Cipher) SetReceiverInitMessage(msg []byte) error
  • func (c *Cipher) SetReceiverPrivateKey(key *ecdsa.PrivateKey) (err error)
  • func (c *Cipher) SetSenderInitMessage(msg []byte) error
  • func (c *Cipher) SetSenderPublicKey(key *pbSecureMessage.EcP256PublicKey) error
  • func (c *Cipher) Setup() error
  • func (c *Cipher) Sign(data []byte) []byte
  • func (c *Cipher) ValidateSignature(hb, signature []byte) error

Variables

var (
	ErrInvalidSenderInitMessage = errors.New("invalid sender init message")
	ErrInvalidSenderPublicKey   = errors.New("invalid sender public key")
)

var (
	ErrInvalidReceiverInitMessage = errors.New("invalid receiver init message")
	ErrInvalidReceiverPrivateKey  = errors.New("invalid receiver private key")
)

var ErrInvalidCipher = errors.New("cipher was not prepared for setup")

var (
	ErrInvalidSecureMessageSignature = errors.New("got invalid signature for secure message")
)

Types

type Cipher

type Cipher struct {
	// contains filtered or unexported fields
}

func NewCipher

func NewCipher(isServer bool) *Cipher

func (*Cipher) Decrypt

func (c *Cipher) Decrypt(
	hb *pbSecureMessage.HeaderAndBody,
) (*pbSecuregcm.DeviceToDeviceMessage, error)

func (*Cipher) Encrypt

func (c *Cipher) Encrypt(
	d2dMsg *pbSecuregcm.DeviceToDeviceMessage,
) (*pbSecureMessage.HeaderAndBody, error)

func (*Cipher) Pin

func (c *Cipher) Pin() uint16

func (*Cipher) SetReceiverInitMessage

func (c *Cipher) SetReceiverInitMessage(msg []byte) error

func (*Cipher) SetReceiverPrivateKey

func (c *Cipher) SetReceiverPrivateKey(key *ecdsa.PrivateKey) (err error)

func (*Cipher) SetSenderInitMessage

func (c *Cipher) SetSenderInitMessage(msg []byte) error

func (*Cipher) SetSenderPublicKey

func (c *Cipher) SetSenderPublicKey(key *pbSecureMessage.EcP256PublicKey) error

func (*Cipher) Setup

func (c *Cipher) Setup() error

func (*Cipher) Sign

func (c *Cipher) Sign(data []byte) []byte

func (*Cipher) ValidateSignature

func (c *Cipher) ValidateSignature(hb, signature []byte) error