Apache Shiro
Cross Language AES 256 Encryption Library
SLS Team Java Library
Digital Signature for PDF documents in Spanish
FIDO strong authentication, encryption, digital signature engine
Simplified Architecture for Distributed Systems
Generates Latin squares and counts their transversals
Format-Preserving Encryption Library for Java
Animal Algorithm Animation System
Easy to use GlobalPlatform tool (and a Java library)
AES-128 bit file encryptor
Java native access for pc/sc, pkcs11, openct based on JNA
A java-based interceptor for SSL/TLS protocol
textcrypter is an encryption tool using vigenere cipher algorithm
NTRUEncrypt and NTRUSign in Java
TCP/IP API (SSL Encryption, ZLIB Compression)