Removal of the debug arg, fixes for OpenSSL/private DES options, fixes for locking issues, a fix for broken event synchronous mode, an echo_resp option, and a fix for a bug in the username parser.
Complete modularity, a utility to manage the /etc/crypousers file, a finalized API, a complete PAM interface so it can completely replace pam_pwdb if neccesary, new RPMs of the distro, and updated documentation.
Complete rewrite. Modular support for other tokens and methods. Possibility to specify keys in octal, decimal, or hexadecimal format Support for a different users file. Lot's of other changes.