crypto

type Decryptor interface {
	// SetPassword for the decryption.
	SetPassword(password []byte)

	// Read implements the io.Reader interface.
	Read(p []byte) (n int, err error)

	// Write implements the io.Writer interface.
	Write(p []byte) (n int, err error)

	// Bytes returns the decrypted data.
	Bytes() []byte

	// Flush tells the decryptor to decrypt the latest block.
	Flush()

	// Reset the decryptor, and clear all written and readable data.
	Reset()
}