FiSHLiM is a HexChat plugin for FiSH IRC encryption.

  * Sending/receiving messages
  * Topic decryption
  * Using unecrypted keys / keys without a password from blow.ini
  * Pure protocol-level filtering (works with highlighting, nick coloring etc)
  * Partially encrypted messages (i.e. prefixed with nickname by a bouncer)
  * CBC mode

WWW: http://fishlim.kodafritt.se/
