The cipher utility allows you to do much more than encrypt and decrypt files. It also includes a number of switches that you can use to manage encryption keys and recovery certificates.

The Alma Technologies AES-P IP Core implements the FIPS-197 Advanced Encryption Standard. It can be programmed to encrypt or decrypt 128-bit blocks of ...

RC4 is a stream cipher, so it encrypts plaintext by mixing it with a series of random bytes, making it impossible for anyone to decrypt it without having the same key used to encrypt it.

Learn how to use the Android Keystore to create and delete key pairs, and use the created keys to encrypt/decrypt blocks of text.

Honey Encryption is an encryption tool in the works that fools an attacker with bogus decrypted data that looks like it could be a plausible guess at an encryption key or password.