Node.js

Sign a File to Create a .p7m File (using a PFX)

See more Encryption Examples

_LANGUAGE_ example to sign a file creating a .p7m file as output. The .p7m contains the signed contents of the original file. It can be verified and restored by calling VerifyP7M. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

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

    var crypt = new chilkat.Crypt2();

    // Use a digital certificate and private key from a PFX file (.pfx or .p12).
    var signingCertSubject = "Acme Inc";
    var pfxFilename = "/Users/chilkat/testData/pfx/acme.pfx";
    var pfxPassword = "test123";

    var certStore = new chilkat.CertStore();
    success = certStore.LoadPfxFile(pfxFilename,pfxPassword);
    if (success !== true) {
        console.log(certStore.LastErrorText);
        return;
    }

    var jsonCN = new chilkat.JsonObject();
    jsonCN.UpdateString("CN",signingCertSubject);

    var cert = new chilkat.Cert();
    success = certStore.FindCert(jsonCN,cert);
    if (success == false) {
        console.log("Failed to find certificate by subject common name.");
        return;
    }

    // Tell the crypt component to use this cert.
    success = crypt.SetSigningCert(cert);

    // We can sign any type of file, creating a .p7m as output:
    var inFile = "/Users/chilkat/testData/pdf/sample.pdf";
    var outputFile = "/Users/chilkat/testData/p7m/sample.pdf.p7m";
    success = crypt.CreateP7M(inFile,outputFile);
    if (success == false) {
        console.log(crypt.LastErrorText);
        return;
    }

    // Verify and restore the original file:
    success = crypt.SetVerifyCert(cert);

    inFile = outputFile;
    outputFile = "/Users/chilkat/testData/pdf/restored.pdf";

    success = crypt.VerifyP7M(inFile,outputFile);
    if (success == false) {
        console.log(crypt.LastErrorText);
        return;
    }

    console.log("Success!");

}

chilkatExample();