SHA-2
Cryptographic hash function, National Security Agency, Federal Information Processing Standard
978-620-0-94993-6
620094993X
100
2012-03-19
34.00 €
eng
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In cryptography, SHA-2 is a set of cryptographic hash functions designed by the National Security Agency and published in 2001 by the NIST as a U.S. Federal Information Processing Standard. SHA stands for Secure Hash Algorithm. SHA-2 includes a significant number of changes from its predecessor, SHA-1. SHA-2 consists of a set of four hash functions with digests that are 224, 256, 384 or 512 bits. In 2005, security flaws were identified in SHA-1, namely that a mathematical weakness might exist, indicating that a stronger hash function would be desirable. Although SHA-2 bears some similarity to the SHA-1 algorithm, these attacks have not been successfully extended to SHA-2.
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Informática, IT
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