Java Library to generate license for your application.
Kerberized Messaging Toolkit for Java
textcrypter is an encryption tool using vigenere cipher algorithm
rsa-elgamal comparison
Software para armazenamento e criptografia de senhas
A tool to verify and generate MD5,SHA,CRC32 hash of multiple files
NTRUEncrypt and NTRUSign in Java
TCP/IP API (SSL Encryption, ZLIB Compression)
Easily calculate hash values.
jCryption implementation for Java.