http://i2p-javadocs.i2p/net/i2p/router/crypto/ratchet/ECIESAEADEngine.html
Parameters: target - public key to which the data should be encrypted. to - ignored if priv is null priv - local private key to encrypt with, from the leaseset
may be null for anonymous (N-in-IK) keyManager - ignored if priv is null callback - may be null, if non-null an ack will be requested (except NS/NSR),
ignored if priv is null Returns: encrypted data or null on failure encrypt public byte[] encrypt ( CloveSet cloves, SessionKey key,...