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cybermut_testmac

(PHP 4 >= 4.0.5)

cybermut_testmac -- Make sure that there no was data diddling contained in the received message of confirmation

Description

bool cybermut_testmac ( string code_MAC, string version, string TPE, string cdate, string montant, string ref_commande, string texte_libre, string code-retour)

cybermut_testmac() is used to make sure that there was not data diddling contained in the received message of confirmation. Pay attention to parameters code-retour and texte-libre, which cannot be evaluated as is, because of the dash. You must retrieve them by using: 
<?php
 $code_retour=$HTTP_GET_VARS["code-retour"];
 $texte_libre=$HTTP_GET_VARS["texte-libre"];
?>

Example 1. Last step of payment (equiv cgi2.c)

<?php
// Make sure that Enable Track Vars is ON.
// Directory where are located the keys
putenv("CMKEYDIR=/var/creditmut/cles");
 
// Version number
$VERSION="1.2";
$texte_libre = $HTTP_GET_VARS["texte-libre"];
$code_retour = $HTTP_GET_VARS["code-retour"]; 
$mac_ok = cybermut_testmac($MAC,$VERSION,$TPE,$date,$montant,$reference,$texte_libre,$code_retour);
if ($mac_ok) {
 //
 // insert data processing here
 //
 //
 $result=cybermut_creerreponsecm("OK");
} else {
 $result=cybermut_creerreponsecm("Document Falsifie");
}
 
?>

See also cybermut_creerformulairecm() and cybermut_creerreponsecm().

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