Glossary

ACL Access Control List.

anonymous remailer An e-mail system that allows a sender to send a message anonymously to a receiver over an insecure network.

ANSI American National Standards Institute.

ANSI C Version of the C programming language that was standardized by ANSI.

API Application Programming Interface.

ARDA Advanced Research and Development Activity. ARDA is an Intelligence Community (IC) center for conducting advanced research and development related to information technology.

ASCII American Standard Code for Information Interchange.

BIOS Basic Input Output System.

bus error A bus error occurs in a computer when an invalid address is issued from the processor to the memory bus.

call-back function A function that has its address passed as an argument to another function. The receiving function will invoke the call-back function under prespecified conditions. Typically, the address of a call-back function is passed to an operating system routine.

cascaded encryption An encryption is cascaded if the plaintext was encrypted using two or more different keys, thereby consisting of multiple ciphertext layers.

CERT Computer Emergency Response Team. Founded by DARPA in 1988.

cleartext Data that has not been enciphered in any way.

composite quadratic residuosity problem A computational decision problem that is believed to be intractable. The problem is to distinguish quadratic residues from pseudosquares modulo n where n is a large composite number. (They both have a Jacobi ...

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