Security is the number one concern for businesses worldwide. The gold standard for attaining security is cryptography because it provides the most reliable tools for storing or transmitting digital information. Written by Niels Ferguson, lead cryptographer for Counterpane, Bruce Schneier's security company, and Bruce Schneier himself, this is the much anticipated follow-up book to Schneier's seminal encyclopedic reference, Applied Cryptography, Second Edition (0-471-11709-9), which has sold more than 150,000 copies.
Niels Ferguson (Amsterdam, Netherlands) is a cryptographic engineer and consultant at Counterpane Internet Security. He has extensive experience in the creation and design of security algorithms, protocols, and multinational security infrastructures. Previously, Ferguson was a cryptographer for DigiCash and CWI. At CWI he developed the first generation of off-line payment protocols. He has published numerous scientific papers.
Bruce Schneier (Minneapolis, MN) is Founder and Chief Technical Officer at Counterpane Internet Security, a managed-security monitoring company. He is also the author of Secrets and Lies: Digital Security in a Networked World (0-471-25311-1).
The Context of Cryptography
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algorithm Alice and Bob Alice's authentication bits long bits of entropy block cipher block cipher mode bytes CBC-MAC certificate choose a random ciphertext ciphertext blocks clock collision attacks compute counter cryptographic protocols cryptographic systems decryption DH parameters DH protocol discuss divisor easy encryption ensure entropy error hash function HMAC ideal implement input key negotiation protocol key server key size key stream large integer MAC function MAC value memory message number modular modulo multiplication nonce operating system output password patent pool prime private key PRNG problem public key random data random number real random reboot received requires reseed result S-boxes secret key secure channel security level seed file signature simple situation smart card solution specifications standard string subgroup trust Twofish UMAC verify wipe