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 ...

In cryptography, an encryption key is a variable value that is applied using an algorithm to a string or block of unencrypted text to produce encrypted text or to decrypt encrypted text. The length of ...

A formula used to turn ordinary data, or "plaintext," into a secret coded message known as "ciphertext." The ciphertext can reside in storage or travel over unsecure networks without its contents ...

Bruce Schneier, a security technologist and chief technology officer at Resilient Systems, Inc., is the author, most recently, of "Data and Goliath: The Hidden Battles to Collect Your Data and Control ...

What do you do when you need to perform computations on large data sets while preserving their confidentiality? In other words, you would like to gather analytics, for example, on user data, without ...

This article appears in the Aug. 27, 2009, edition of ISO&Agent Weekly. As card-security breaches continue to hamper the payments industry, the parties involved in the transaction process are ...

The decryption and re-encryption of confidential data at various router or switching junctions throughout the transmission path. For example, a transmission from Boston to Phoenix is encrypted in ...