November 2017
Intermediate to advanced
312 pages
9h 7m
English
Content preview from Serious Cryptography
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6HASH FUNCTIONS
Hash functions—such as MD5, SHA-1, SHA-256, SHA-3, and BLAKE2—comprise the cryptographer’s Swiss Army Knife: they are used in digital signatures, public-key encryption, integrity verification, message authentication, password protection, key agreement protocols, and many other cryptographic protocols. Whether you’re encrypting an email, sending a message on your mobile phone, connecting to an HTTPS website, or connecting to a remote machine through IPSec or SSH, there’s a hash function somewhere under the hood.
Hash functions are by far the most versatile and ubiquitous of all crypto algorithms. There are many examples of their ...
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