Kernel patch for the delegation of network privileges to protect against intrusions.
An Apache 2.0.x module for the secure caching of HTTP authentication info.
otpCalc generates one time passwords for responding to S/Key (RFC1760) and OTP (RFC2289) challenges. It supports MD4, MD5, SHA1, and RIPEMD-160 message digests.
A DomainKey library suite in Perl
cage is a creator of unbreakable padded cells for untrusted applications. Use it when you would like to chroot a program that wants to run as root. (e.g. sendmail, sshd, etc.)