Add digital signatures to PDF documents - GUI and CLI, cross-platform
For full, incremental, compressed and encrypted backups or archives
Provides encryption & password hashing for your app or Hibernate POJOs
Free portable cross-platform graphical multi-user password manager
cross-platform (Java) file encryption and archiving tool
HOFAT - graphical Hash Of File And Text calculator, 100%-pure Java
GMR digital signature system
Open Source PKI solutions
Open Source Security tool to audit hashed passwords.
[WARNING] Project has moved to http://github.com/Retroshare/Retroshare
Tweakable 256-bit symmetrical block cipher.
Easy to use GlobalPlatform tool (and a Java library)
Encrypting, anonymous, unlimited size message transfer system
Check some checksum!
Java native access for pc/sc, pkcs11, openct based on JNA
jFileCrypt encrypts and decrypts files