Download: blkcrypt package for Linux

blkcrypt contains the source code for 3 block encryption algorithms: des, blowfish, idea
Check first if you are allowed to download and use cryptographic software in your country. If not don't download.

Idea is patented in the US and can be used freely only or non-commercial purposes. THEREFORE DO NOT USE THIS SOFTWARE FOR COMMERCIAL PURPOSES.

Other links on cryptography:

• Cryptography URL
• ftp.funet.fi/pub/crypt
• ftp.informatik.uni-hamburg.de/pub/virus
• www.cypherpunks.to
• A-Z Cryptology! - Over 45 different fun codes, ciphers, and concealment message methodologies created for you by A-Z consultation.
• Beginners Cryptography Page - cryptography site written with the beginner in mind.
• CDT's Cryptography Policy Issues Page
• Crypto-Gram Newsletter - free monthly e-mail newsletter on cryptography from Bruce Schneier general crypto pundit and occasional crypto curmudgeon.
• Cryptography and Computer Security - research-consultancy-development and educational activities of the Cryptography and Computer Security Service.
• Cryptography and Liberty
• Cryptography Gopher
• Cryptography: Scientific Freedom and Human Rights Issues - proceedings from a congressional briefing examining the issues of scientific freedom to conduct and express cryptographic research, and human rights applications of cryptographic technologies.
• Cryptome - hosts essays, articles, and the text of legislation that covers cryptology, dual-use technologies, national security, and intelligence.
• Data Encryption Techniques - discussion of various encryption methods with examples.
• European Cryptography Resources
• International Association for Cryptologic Research
• Parrhesia.Com
• psych.psy.uq.oz.au - cryptography code archive.
• Robert Guerra's PGP Links