Cryptography Reference
In-Depth Information
GLOSSARY
algorithm
A step-by-step procedure for solving a prob-
lem or accomplishing some end, especially by a
computer.
alphanumeric
Consisting of both letters and numbers
and often other symbols (as punctuation marks and
mathematical symbols).
ASCII
A code for representing alphanumeric information.
autokey
A cipher that encrypts a plaintext message.
biliteral
Consisting of two letters.
cipher
A combination of symbolic letters.
cryptanalysis
The art of deciphering or even forging
communications that are secured by cryptography.
cryptography
Practice of the enciphering and decipher-
ing of messages in secret code in order to render them
unintelligible to all but the intended receiver.
cryptology
The scientific study of cryptography and
cryptanalysis.
cryptosecurity
The practice of developing secure cryp-
tosystems and implementing them effectively.
cryptosystem
A system of algorithms designed to enable
some form of encryption or decryption.
decrypt
To decode.
encrypt
To disguise information as “ciphertext,” or data
unintelligible to an unauthorized person.
