JavaScript

Extract a File from a .p7m (PKCS7 Signed-Data)

_LANGUAGE_ example to extract the original file from a .p7m (Signed-Data PKCS7 Format) The .p7m contains the signed contents of the original file. It can be verified and restored by calling VerifyP7M.

Note

This example is intended for running within a Chilkat.Js embedded JavaScript engine. All Chilkat JavaScript examples require Chilkat v11.4.0 or greater.

JavaScript

var success = false;

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

var crypt = new CkCrypt2();

// What is a .p7m file?

var outputFile = "/Users/chilkat/testData/pdf/sample.pdf";
var inFile = "/Users/chilkat/testData/p7m/sample.pdf.p7m";

// Verify and restore the original file:
success = crypt.VerifyP7M(inFile,outputFile);
if (success == false) {
    console.log(crypt.LastErrorText);
    return;
}

console.log("Success!");