The process of encrypting and decrypting messages involves keys. It includes functionality for encrypting and decrypting data and for authentication using digital certificates. It functions to protect email messages by encrypting and decrypting them. The command "marry" also supports encrypting and decrypting of the regular file. In short, they work by encrypting packets within multiple layers of encryption. SAP features separate methods for authenticating and encrypting announcements. Randomization and Encrypting File System and cryptography improvements. It is important to note that hashing is not the same as encrypting. With the Caesar cipher, encrypting a text multiple times provides no additional security. Salting is the process of encrypting more than just the password in a database. Subsequently, WEP keys can be used for encrypting data frames. Methods for encrypting file data are sometimes included in the file system. The bcrypt algorithm is the result of encrypting the text ""OrpheanBeholderScryDoubt"" 64 times using Blowfish. Whisper Systems also produced a firewall and tools for encrypting other forms of data. With the locker ransomware just locking down a computer system without encrypting its contents.