Node.js

FatturaPA XML Invoice Sign+Encrypt to P7M

See more Digital Signatures Examples

Demonstrates how to create a CAdES BES signed + encrypted invoice.xml.p7m for the Italian FatturaPA exchange system. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    // This 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 pfxPath = "qa_data/pfx/cert_test123.pfx";
    var pfxPassword = "test123";

    var cert = new chilkat.Cert();
    success = cert.LoadPfxFile(pfxPath,pfxPassword);
    if (success == false) {
        console.log(cert.LastErrorText);
        return;
    }

    // Provide the signing cert (with associated private key).
    success = crypt.SetSigningCert(cert);
    if (success == false) {
        console.log(crypt.LastErrorText);
        return;
    }

    // Indicate that SHA-256 should be used.
    crypt.HashAlgorithm = "sha256";

    // Specify the signed attributes to be included.
    // (This is what makes it CAdES-BES compliant.)
    var jsonSignedAttrs = new chilkat.JsonObject();
    jsonSignedAttrs.UpdateInt("contentType",1);
    jsonSignedAttrs.UpdateInt("signingTime",1);
    jsonSignedAttrs.UpdateInt("messageDigest",1);
    jsonSignedAttrs.UpdateInt("signingCertificateV2",1);
    crypt.SigningAttributes = jsonSignedAttrs.Emit();

    var inFile = "qa_data/xml/IT01234567890_11002.xml";
    var sigFile = "qa_data/fatturapa/signed.p7m";

    // Create the CAdES-BES signature, which contains the original data.
    success = crypt.CreateP7M(inFile,sigFile);
    if (success == false) {
        console.log(crypt.LastErrorText);
        return;
    }

    // Now we'll encrypt what was signed using FatturaPA's certificate (from a PEM file)
    var encryptCert = new chilkat.Cert();
    success = encryptCert.LoadFromFile("qa_data/certs/fatturapa_cert.pem");
    if (success == false) {
        console.log(encryptCert.LastErrorText);
        return;
    }

    crypt.CryptAlgorithm = "pki";

    success = crypt.SetEncryptCert(encryptCert);
    if (success == false) {
        console.log(crypt.LastErrorText);
        return;
    }

    // Indicate the underlying bulk encryption algorithm to be used:
    crypt.Pkcs7CryptAlg = "aes";
    crypt.KeyLength = 128;

    // There's one last option that could be set.  If is the RSA encryption encryption/padding scheme. 
    // By default, RSAES_PKCS1-V1_5 is used.  If desired, the OaepPadding property could be set to true to
    // use RSAES_OAEP.  (We'll leave it set at the default value of false)
    crypt.OaepPadding = false;

    // Everything is specified.  Encrypt the .p7m to create a new .p7m (which adds a layer of encryption around the opaque signature).
    // The output is PKCS7 in binary DER format.
    success = crypt.CkEncryptFile(sigFile,"qa_output/signed_and_encrypted.p7m");
    if (success == false) {
        console.log(crypt.LastErrorText);
        return;
    }

    console.log("Success.");

}

chilkatExample();