elgamal

type Decrypter interface {
	// Decrypt decrypt a block of data.
	// return decrypted block or nil and error if error happens.
	Decrypt(data []byte) ([]byte, error)
}

type ElgPrivateKey [256]byte

type ElgPublicKey [256]byte

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

type Encrypter interface {
	// encrypt a block of data.
	// return encrypted block or nil and error if an error happened.
	Encrypt(data []byte) ([]byte, error)
}

type PrivateEncryptionKey interface {
	// NewDecrypter create a new decryption object for this private key to decrypt data encrypted to our public key.
	// returns decrypter or nil and error if the private key is in a bad format.
	NewDecrypter() (Decrypter, error)
}

type PublicEncryptionKey interface {
	// NewEncrypter returns a new encrypter to encrypt data to this public key.
	NewEncrypter() (Encrypter, error)

	// Len returns length of this public key in bytes.
	Len() int
}