The Alleged RC4 Cryptography Provider Class Library is a DLL file that includes an implementation of a well-known symmetric encryptionalgorithm that is not present in the System.Security.Cryptography namespace of the mscorlib library.
Cryptex is a fast and simple easy to use open source software for encryption and decryption of files and folders. The software has a proprietary format for password management. Cryptex use AES and TripleDES algorithms.