crypto

type Address = bytes.HexBytes

type BatchVerifier interface {
	// Add appends an entry into the BatchVerifier.
	Add(key PubKey, message, signature []byte) error
	// Verify verifies all the entries in the BatchVerifier, and returns
	// if every signature in the batch is valid, and a vector of bools
	// indicating the verification status of each signature (in the order
	// that signatures were added to the batch).
	Verify() (bool, []bool)
}

type PrivKey interface {
	Bytes() []byte
	Sign(msg []byte) ([]byte, error)
	PubKey() PubKey
	Equals(PrivKey) bool
	Type() string
}

type PubKey interface {
	Address() Address
	Bytes() []byte
	VerifySignature(msg []byte, sig []byte) bool
	Equals(PubKey) bool
	Type() string
}

type Symmetric interface {
	Keygen() []byte
	Encrypt(plaintext []byte, secret []byte) (ciphertext []byte)
	Decrypt(ciphertext []byte, secret []byte) (plaintext []byte, err error)
}