RSA Public Key Implementation in Python
- Using OpenSSL RSA commands and an RSA Public Key Implementation in Python.
- http://www.dsm.fordham.edu/~mathai/openssl.html

Passive Privacy System
- PPS is a specification for email programs to follow to exchange public keys and encrypt mail. There is no PPS ``program, though. Each email system may find its own way to impliment PPS, and may have different criteria for the user-interface.
- http://pps.sourceforge.net/

Hidden Field Equations Home Page
- Contains information, in-depth analyses and links to references. Maintained by Nicolas Courtois.
- http://www.minrank.org/hfe/

SECG Standards
- Elliptic curve cryptography recommended standards.
- http://www.secg.org/secg_docs.htm

Francis Litterio - Public Key Cryptography
- Mathematical description of RSA along with various implementations. Additionally links to quality cryptography resources.
- http://world.std.com/~franl/crypto.html

The IEEE P1363 Project
- Standard specifications for public-key cryptography.
- http://grouper.ieee.org/groups/1363/

How the RSA Cipher Works
- An elementary account of the mathematics behind the RSA cryptosystem.
- http://www.muppetlabs.com/~breadbox/txt/rsa.html