!!! Overview [{$pagename}] is a [Federal Information Processing Standard] that describes a [Keyed-Hash Message Authentication Code] ([HMAC]), a mechanism for [message] [authentication] using [cryptographic] [Hash Functions]. [HMAC] can be used with any iterative Approved [cryptographic] [Hash Function], in combination with a shared [Secret-key] !! More Information There might be more information for this subject on one of the following: [{ReferringPagesPlugin before='*' after='\n' }]