"symbol">list-all-ciphers</A> will tell you the names of all supported ciphers;
the short list of ones you are likely to be interested in is:</P><UL><LI>AES</LI><LI>DES</LI><LI>3DES</LI><LI>Blowfish</LI><LI>Twofish</LI><LI>RC5</LI><LI>RC6</LI><LI>Arcfour (RC4)</LI></UL><P><EM>name</EM> can be a symbol in the <TT>KEYWORD</TT> package or the <TT>IRONCLAD</TT> package; <TT>:AES</TT> for AES, <TT>IRONCLAD:ARCFOUR</TT> for
RC4, and so forth.</P><P><EM>mode</EM> describes the mode of operation for the cipher.  St