Learn to use the cipher utility with confidence. This Daily Drill Down walks you through using every cipher switch and shows you exactly what happens in the real world when you use these switches.

The Advanced Encryption Standard (AES) is a symmetric block cipher chosen by the U.S. government to protect classified information. AES uses 128-, 192- or 256-bit keys to encrypt and decrypt data. The ...

Blowfish is a variable-length, symmetric, 64-bit block cipher. Designed by Bruce Schneier in 1993 as a "general-purpose algorithm," it was intended to provide a fast, free, drop-in alternative to the ...

Introduction to ciphers and substitution. Alice and Bob and Carl and Julius: terminology and Caesar Cipher ; The key to the matter: generalizing the Caesar Cipher ; Multiplicative ciphers ; Affine ...

Learn how to protect the information handled by your .NET applications by encrypting and decrypting the data using either a single key or a public/private key pair. Encryption transforms data into a ...

On average, it takes businesses 287 days to find and contain a data breach, giving attackers over nine months to access and steal any records they want from the database. However, encrypting those ...