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cybercash_decr
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cybercash_decr

Name

cybercash_decr — Decrypts a Cybercash response.

Synopsis

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

Returns

The decrypted message on success or an errorcode on failure

Description

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).

Version

PHP 4 >= 4.0b4

Example

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']) {
            print($DecryptedResponse['errcode']);
} else {
            print($DecryptedResponse['outbuff']);
}

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