On Wed, Mar 22, 2006 at 07:01:28PM -0500, S.J. Robertson wrote: > What type of encryption does OTR use? Algorithim, key length, etc. You can find all the details on http://otr.cypherpunks.ca/, but at a high level, 1536-bit DH for key agreement, 128-bit AES-CTR for message encryption, and 160-bit SHA1-HMAC for integrity protection. - Ian