Cryptography: Difference between revisions
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HMAC (hash-based message authentication code) is a message authentication code that involves a cryptographic has function and a secret cryptographic key. It may used to simultaneously verify both the data integrity and the authentication of a message. Any cryptographic has function, such as MD5 or SHA-1, may be used in calculation of the HMAC. | HMAC (hash-based message authentication code) is a message authentication code that involves a cryptographic has function and a secret cryptographic key. It may used to simultaneously verify both the data integrity and the authentication of a message. Any cryptographic has function, such as MD5 or SHA-1, may be used in calculation of the HMAC. | ||
A HMAC can be [[Openssl_Operations#Generate_a_HMAC|generated on command-line with OpenSSL]]. | |||
=Cryptographic Hash Function= | =Cryptographic Hash Function= | ||
Revision as of 22:41, 5 May 2018
Subjects
HMAC
HMAC (hash-based message authentication code) is a message authentication code that involves a cryptographic has function and a secret cryptographic key. It may used to simultaneously verify both the data integrity and the authentication of a message. Any cryptographic has function, such as MD5 or SHA-1, may be used in calculation of the HMAC.
A HMAC can be generated on command-line with OpenSSL.