Useful Cryptography Links

Standards Docs

FIPS documents on-line
Secure Hash FIPS 180
DES FIPS 46-3
DES Modes of Operation FIPS 81
3DES isn’t on-line, but there’s a good Wikipedia article now
AES FIPS 197
Cryptographic Message System (CMS) RFC 2630
PKCS docs at RSA Labs
Crypto FAQ by RSA Labs

Collected Links

Things I’ve tagged on Delicious

Why Cryptosystems Fail Interesting paper on why systems fail and it usually isn't breaking the crypto algorithm per se
Moserware: A Stick Figure Guide to the Advanced Encryption Standard (AES) AES in cartoons
TrueCrypt - Free Open-Source On-The-Fly Disk Encryption Software for Windows Vista/XP, Mac OS X and Linux
Peter Gutmann's Home Page Peter Gutmann's home page. Links to a number of interesting topics. The x.509 style guide is a classic.