Resources

Advanced Encryption Standard: http://csrc.nist.gov/encryption/aes/

OpenBSD security page: http://www.openbsd.org/security.html

OpenSSH: http://www.openssh.com/

OpenSSL: http://www.openssl.org/

RSA Freedom Clock: http://www.kfu.com/~nsayer/encryption/rsaclock.html

Sequential Innovation, Patents, and Imitation by James Bessen and Eric Maskin: http://www.researchoninnovation.org/patent.pdf