Dokuwiki - Amazon Plugin

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Note about the Amazon Plugin of Dokuwiki.

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Problem

Call to undefined function: hash_hmac()

The plugin%3Aamazon have an incompatibility problem if you don't have PECL installed.

Fatal error: Call to undefined function: hash_hmac() in .../dokuwiki/lib/plugins/amazon/syntax.php on line 284

Solution

Found in this Forum, replace this line in the file syntax.php :

        $signature = base64_encode(hash_hmac("sha256", $string_to_sign, $private_key, True));

by :

	$signature = base64_encode(mhash(MHASH_SHA256, $string_to_sign, $private_key));

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