MarkLogic Server 11.0 Product Documentation
xdmp:hmac-sha256

xdmp:hmac-sha256(
   $secretkey as item(),
   $message as item(),
   [$encoding as xs:string]
) as xs:string

Calculates the Hash-based Message Authentication Code (HMAC) using the SHA256 hash function of the given secret key and message arguments.

Parameters
secretkey	The secret key. Must be xs:string or a binary node.
message	Message to be authenticated. Must be xs:string or a binary node.
encoding	Encoding format for the output string, must be "hex" for hexadecimal or "base64". Default is "hex".

  xdmp:hmac-sha256("foo", "bar")
  => "f9320baf0249169e73850cd6156ded0106e2bb6ad8cab01b7bbbebe6d1065317"

  xdmp:hmac-sha256("foo", "bar", "base64")
  => "+TILrwJJFp5zhQzWFW3tAQbiu2rYyrAbe7vr5tEGUxc="

MarkLogic Server 11.0 Product Documentationxdmp:hmac-sha256