What is PhpDig?
PhpDig is a PHP MySQL based
Web Spider & Search Engine.



cybercash_decr — Decrypts a Cybercash response.


array cybercash_decr(merchantkey);
string merchantkey: Merchant key provided by Cybercash found in your merchant_conf file string sessionkeyAny session key identifying your process Any session key identifying your processMessage from Cybercash


The decrypted message on success or an errorcode on failure


Creates a decrypted block of information from the Cybercash response. The message contains the requested information(documented by Cybercash) such as a valid credit card transaction or valid address information. If an error occurs, the resulting array contains the attribute errcode. If an error does not occur, the resulting array contains the attributes outbuff(encrypted message), outLth(length of message), and macbuff(message authentication codes).


PHP 4 >= 4.0b4


Example 194. Decrypt a cybercash response

/* $Response = an associative array response from Cybercash that was URL decoded*/
$MerchantKey = "123456789MerchantKey";
$Response['message'] = cybercash_base64_decode($Response['message']);
$Response['mac'] = cybercash_base64_decode($Response['mac'])
$DecryptedResponse = cybercash_decr($MerchantKey, $Response['session-key'], $Response['message']);
if ($DecryptedResponse['errcode']) {
} else {

PHP Functions Essential Reference. Copyright © 2002 by New Riders Publishing (Authors: Zak Greant, Graeme Merrall, Torben Wilson, Brett Michlitsch). This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later (the latest version is presently available at The authors of this book have elected not to choose any options under the OPL. This online book was obtained from and is designed to provide information about the PHP programming language, focusing on PHP version 4.0.4 for the most part. The information is provided on an as-is basis, and no warranty or fitness is implied. All persons and entities shall have neither liability nor responsibility to any person or entity with respect to any loss or damage arising from the information contained in this book.

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