> Isn't padding always required with chained block cipher? Padding it required for full-size chaining block ciphers. So CBC requires it, but other modes (ECB, CFB, OFB, CTR) do not.
> Maybe it can work if you ensure your data is a multiple of > the block size. I'd be interested to know the result of this experiment. > CTR doesn't have the size constrain so it should work without padding. > Don't know if it is supported by Java though. I'd start this trial with CFB.
