crypt

type Block interface {
	Decrypt([]byte) ([]byte, error)           // Decrypt decrypts the provided data
	DecryptFromString(string) ([]byte, error) // DecryptFromString decrypts data stored in a hex encoded string
	Encrypt([]byte) ([]byte, error)           // Encrypt encrypts the provided data
	EncryptToString([]byte) (string, error)   // EncryptToString encrypts the provided data and returns it as a nex encoded string
}