I just pushed code and I think it is function complete. The encoders
available are Bytes, Asn1Der and Json using
http://www.squeaksource.com/JSON/Cryptography-68
Whisper-122
performance numbers by encoder
bytes: 123 Mbs
json: 5 Mbs
asn1der: 5 Mbs
I'm off to Java land to integrate these changes.