cryptocodec

Documentation

Index

• Constants
• Variables
• type AESGCM
  • func (*AESGCM) Decrypt(ciphertext, key []byte) ([]byte, error)
  • func (*AESGCM) Encrypt(plaintext, key []byte) ([]byte, error)
  • func (*AESGCM) EncryptWithNonce(plaintext, key []byte, nonce []byte) ([]byte, error)
• type Codec
  • func NewCodec(method Method, base64Key string) *Codec
  • func (c *Codec) Entity(dictionary message.Dictionary) codec.CodecEntity
• type CodecEntity
  • func NewCodecEntity(dictionary message.Dictionary, method Method, key []byte) *CodecEntity
  • func (c *CodecEntity) DecodeMessage(data []byte) (*message.Message, error)
  • func (c *CodecEntity) DecodePacket(data []byte) ([]*packet.Packet, error)
  • func (c *CodecEntity) EncodeMessage(m *message.Message) ([]byte, error)
  • func (c *CodecEntity) EncodePacket(packets []*packet.Packet) ([]byte, error)
  • func (c *CodecEntity) String() string
• type Crypto
  • func NewCrypto(method Method, key []byte) (*Crypto, error)
  • func (c *Crypto) Decode(data []byte) ([]byte, error)
  • func (c *Crypto) Encode(data []byte) ([]byte, error)
• type Method
  • func (m Method) String() string

Constants

const (
	HeadLength    = 4
	MaxPacketSize = 64 * 1024 * 1024
)

Variables

var (
	ErrPacketSizeExcced   = errors.New("codec: packet size exceed")
	ErrWrongMessageType   = errors.New("codec: wrong message type")
	ErrInvalidMessage     = errors.New("codec: invalid message")
	ErrInvalidRouteLength = errors.New("codec: invalid route length")
)

Types

type AESGCM

type AESGCM struct{}

func (*AESGCM) Decrypt

func (*AESGCM) Decrypt(ciphertext, key []byte) ([]byte, error)

func (*AESGCM) Encrypt

func (*AESGCM) Encrypt(plaintext, key []byte) ([]byte, error)

func (*AESGCM) EncryptWithNonce

func (*AESGCM) EncryptWithNonce(plaintext, key []byte, nonce []byte) ([]byte, error)

type Codec

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

func NewCodec

func NewCodec(method Method, base64Key string) *Codec

func (*Codec) Entity

func (c *Codec) Entity(dictionary message.Dictionary) codec.CodecEntity

type CodecEntity

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

func NewCodecEntity

func NewCodecEntity(dictionary message.Dictionary, method Method, key []byte) *CodecEntity

func (*CodecEntity) DecodeMessage

func (c *CodecEntity) DecodeMessage(data []byte) (*message.Message, error)

func (*CodecEntity) DecodePacket

func (c *CodecEntity) DecodePacket(data []byte) ([]*packet.Packet, error)

func (*CodecEntity) EncodeMessage

func (c *CodecEntity) EncodeMessage(m *message.Message) ([]byte, error)

func (*CodecEntity) EncodePacket

func (c *CodecEntity) EncodePacket(packets []*packet.Packet) ([]byte, error)

func (*CodecEntity) String

func (c *CodecEntity) String() string

type Crypto

type Crypto struct {
	Method Method
	Key    []byte
}

func NewCrypto

func NewCrypto(method Method, key []byte) (*Crypto, error)

func (*Crypto) Decode

func (c *Crypto) Decode(data []byte) ([]byte, error)

func (*Crypto) Encode

func (c *Crypto) Encode(data []byte) ([]byte, error)

type Method

type Method int

const (
	AES128GCM Method = iota
	AES256GCM
)

func (Method) String

func (m Method) String() string