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hash function
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hash function

In computing, an algorithm that calculates a value from the content of a message which can then be used to detect alterations to the original message.

Similar to a checksum but with greater security, hash functions play an important role in secure cryptographic systems (see cryptography), where authentication is as important as hiding the data from third parties.
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? Mentioned in ? References in periodicals archive
 
Digital signatures typically range from 128 bits using the MD5 algorithm to 160 bits in size using the more secure SHA1 (Secure Hash Algorithm 1).
Data encryption strategies; Part 2: encrypting high-performance, ... by Moore, Fred / Computer Technology Review
Specific functions include the Data Encryption Standard (DES) for encryption and decryption, secure key storage and Secure Hash Algorithm (SHA) acceleration.
Transmeta's Crusoe processor chosen by Densitron for use in new ... by EDP Weekly's IT Monitor
Other cryptographic algorithms currently validated by the CMVP are the Data Encryption Standard (DES), the Triple Data Encryption Standard (TDES), the Digital Signature Algorithm (DSA), the Secure Hash Algorithm (SHA-1), and the Random Number Generator algorithm (RNG).
NIST validates 100th Advanced Encryption Standard implementation by Journal of Research of the National Institute of Standards and Technology
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