Java Glossary : cryptography

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cryptography

Techniques for foiling those who would intercept to read or alter your mail. Also techniques to prevent people from forging mail from you. These are particularly important in net money transfers. Also refers to techniques for scrambling files so that others cannot snoop on them. Java has as set of classes for doing cryptography.

Java Cryptography

1-56592-402-9

Jonathan B. Knudsen

This O'Reilly book teaches you how to write secure programs using Java's cryptographic tools. It includes the java.security package and the Java Cryptography Extensions (JCE). It discusses authentication, key management, public and private key encryption.

The USA has complex laws on cryptography.

I have written some light weight commercial RSA-based public/private key cryptography classes. They are designed for high security and low volume, e.g. accepting credit card information over the Internet from an Applet. They don't require the new bulky JCE classes, just BigInteger. These are a low cost alternative to SSL. I don't post the source since I sell custom versions of them.

Avalanche ¤ Center For Democracy and Technology (lobby group on cryptography laws) ¤ encrypt ¤ JCrypto ¤ PGP ¤ security

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