May 26, 2018

Common interface to HMAC functionality

This module provides common interface to HMAC functionality. HMAC is a kind of “Message Authentication Code” MAC algorithm whose standard is documented in RFC2104. Namely, a MAC provides a way to check the integrity of information transmitted over or stored in an unreliable medium, based on a secret key. Originally written by Daiki Ueno. Converted to a RubyGem by Geoffrey Grosenbach

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