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(PHP Extension) Create PKCS7 Signed File (.p7m)Demonstrates how to sign a file to create a .p7m that contains both the file contents and the signature.
<?php // The version number (9_5_0) should match version of the Chilkat extension used, omitting the micro-version number. // For example, if using Chilkat v9.5.0.48, then include as shown here: include("chilkat_9_5_0.php"); // This example requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. $crypt = new CkCrypt2(); $certStore = new CkCertStore(); // Load a PFX file into a certificate store object. $success = $certStore->LoadPfxFile('myPfx.pfx','pfxPassword'); if ($success != true) { print $certStore->lastErrorText() . "\n"; exit; } // Get the certificate by subject common name. // This should be the cert within the PFX that also // has a private key (also stored within the PFX). // cert is a CkCert $cert = $certStore->FindCertBySubjectCN('myCert'); if ($certStore->get_LastMethodSuccess() == false) { print $certStore->lastErrorText() . "\n"; exit; } // Tell the crypt object to use the certificate for signing: $success = $crypt->SetSigningCert($cert); // Sign a file, producing a .p7m as output. // The input file is unchanged, the test.p7m contains the // contents of the input file and the signature. $inFile = 'test.txt'; $outFile = 'testp7m'; $success = $crypt->CreateP7M($inFile,$outFile); if ($success != true) { print $crypt->lastErrorText() . "\n"; exit; } print 'Success!' . "\n"; ?> |
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