Digest::HMAC man page on HP-UX

Digest::HMAC man page on HP-UX

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Digest::HMAC(3)	      User Contributed Perl Documentation      Digest::HMAC(3)

NAME
       Digest::HMAC - Keyed-Hashing for Message Authentication

SYNOPSIS
	# Functional style
	use Digest::HMAC qw(hmac hmac_hex);
	$digest = hmac($data, $key, \&myhash);
	print hmac_hex($data, $key, \&myhash);

	# OO style
	use Digest::HMAC;
	$hmac = Digest::HMAC->new($key, "Digest::MyHash");

	$hmac->add($data);
	$hmac->addfile(*FILE);

	$digest = $hmac->digest;
	$digest = $hmac->hexdigest;
	$digest = $hmac->b64digest;

DESCRIPTION
       HMAC is used for message integrity checks between two parties that
       share a secret key, and works in combination with some other Digest
       algorithm, usually MD5 or SHA-1.	 The HMAC mechanism is described in
       RFC 2104.

       HMAC follow the common "Digest::" interface, but the constructor takes
       the secret key and the name of some other simple "Digest::" as argu‐
       ment.

SEE ALSO
       Digest::HMAC_MD5, Digest::HMAC_SHA1

       RFC 2104

AUTHORS
       Graham Barr <gbarr@ti.com>, Gisle Aas <gisle@aas.no>

perl v5.8.8			  2001-03-14		       Digest::HMAC(3)

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