EAN: 9783319016276

SPRINGERBRIEFS IN COMPUTER SCIENCE A BRIEF HI...

The science of cryptology is made up of two halves. Cryptography is the study of how to create
secure systems for communications. Cryptanalysis is the study of how to break those systems.
The conflict between these two halves of cryptology is the story of secret writing. For over 2
000 years  the desire to communicate securely and secretly has resulted in the creation of
numerous and increasingly complicated systems to protect one's messages. Yet for every system
there is a cryptanalyst creating a new technique to break that system. With the advent of
computers the cryptographer seems to finally have the upper hand. New mathematically based
cryptographic algorithms that use computers for encryption and decryption are so secure that
brute-force techniques seem to be the only way to break them - so far. This work traces the
history of the conflict between cryptographer and cryptanalyst  explores in some depth the
algorithms created to protect messages  and suggests where the field is going in the future.

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