add (test) methods for stealth encryption and decryption (aes 256 with ecc dh shared secret).
add (test) methods for stealth encryption and decryption (aes 256 with ecc dh shared secret).

darkwallet/darkwallet,darkwallet/darkwallet,bankonme/darkwallet,salmion/dashwallet,salmion/dashwallet,CryptArc/darkwallet,CryptArc/darkwallet,bankonme/darkwallet