Bruce Schneier

is an American cryptographer, computer security specialist, and writer. He is the author of several books on computer security and cryptography, and is the founder and chief technology officer of BT Counterpane

1988

December 2004

is a symmetric key cipher operating on fixed-length groups of bits, called blocks, with an unvarying transformation.

is a type of website, usually maintained by an individual with regular entries of commentary, descriptions of events, or other material such as graphics or video

comprises methods for uniquely recognizing humans based upon one or more intrinsic physical or behavioral traits. In computer science, in particular, biometrics is used as a form of identity access management and access control

computer security and cryptography

refers to the procedures and infrastructure designed to avoid security problems aboard aircraft. A related area is airport security. Security for air travel is primarily based in airports. Exceptions include security measures aboard aircraft of the Israeli El Al airline which include undercover armed security guards, as well as secure cargo holds, and United States airlines that use sky marshals on some flights

is a full-color monthly American magazine and on-line periodical, published since March 1993, that reports on how technology affects culture, the economy, and politics

is a type of puzzle which consists of a short piece of encrypted text. Generally the cipher used to encrypt the text is simple enough that cryptogram can be solved by hand