The "Gcrypt Library" is Low-level encryption library and provides support for many ciphers, such as DES, 3DES, AES, Blowfish, and others..
If this library isn't already installed or available as a package for your platform, you can get it at: https://directory.fsf.org/security/libgcrypt.html.
Part of our homemade GnuTLS package.
