Node.js

Extract XML string from a .p7m byte array (e.g. FATTURA ELETTRONICA, ITALY)

See more Digital Signatures Examples

_LANGUAGE_ example to extract the original XML from a .p7m (Signed-Data PKCS7 Format) provided as a byte array.

One use for this example is to extract the original XML from a Fattura Elettronica .p7m signature.

Node.js

NODEJS_PRELUDE

function chilkatExample() {

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

    var fac = new chilkat.FileAccess();

    p7mBytes = fac.ReadEntireFile("testData/p7m/fattura_signature.p7m");
    if (fac.LastMethodSuccess !== true) {
        console.log(fac.LastErrorText);
        return;
    }

    var crypt = new chilkat.Crypt2();

    var originalXml = crypt.OpaqueVerifyString(p7mBytes);
    if (crypt.LastMethodSuccess !== true) {
        console.log(fac.LastErrorText);
        return;
    }

    console.log("Original XML:");
    console.log(originalXml);

    console.log("Success!");

}

chilkatExample();