Encrypt and decrypt text using AES 256 bit encryption
Java code that enables you to sign documents using a smart card.
Replace text with POS equivalent text, in a reversible fashion.
A simple example of polyalphabetic cipher in Java.
Kerberized Messaging Toolkit for Java
Secure your files by encrypting them using AES algo
textcrypter is an encryption tool using vigenere cipher algorithm
Easily calculate hash values.
Software para assinar arquivos no formato PKCS7