The Advanced Encryption Standard (AES) is a symmetric block cipher chosen by the U.S. government to protect classified information. AES is implemented in software and hardware throughout the world to ...

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 ...

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 ...

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 ...

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 ...