One of the most powerfull encryption software in the word. You can compile the encrypted files in a stand alone EXE file. You can delete the files for ever. The special programs will not be able to recover them. You can automaticaly rename encrypted files. They will recover original names and extensions when you decrypt. The key size is according to the password length. Respect your country laws. You are the only responsable of your Cryptus use. In the ENTREPRISE version, the key size and the password length are unlimited.