(.NET Core C#) Authenticode Sign an Executable (EXE) or DLL

See more Code Signing Examples

Demonstrates how to Authenticode sign an EXE or DLL.

Note: Chilkat's code signing class was added in v9.5.0.97

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

bool success;

// First create the following JSON to specify that SHA256 is to be used,
// and provide timestamp server information.

// {
//   "hashAlg": "sha256",
//   "timestampToken": {
//     "enabled": true,
//     "tsaUrl": "http://timestamp.digicert.com",
//     "requestTsaCert": true,
//     "hashAlg": "sha256"
//   }
// }

Chilkat.JsonObject json = new Chilkat.JsonObject();
json.UpdateString("hashAlg","sha256");
json.UpdateBool("timestampToken.enabled",true);
json.UpdateString("timestampToken.tsaUrl","http://timestamp.digicert.com");
json.UpdateBool("timestampToken.requestTsaCert",true);
json.UpdateString("timestampToken.hashAlg","sha256");

// Load a code signing certificate..
Chilkat.Cert cert = new Chilkat.Cert();
success = cert.LoadPfxFile("C:/someDir/myCodeSigningCert.pfx","pfx password");
if (success == false) {
    Debug.WriteLine(cert.LastErrorText);
    return;
}

// You can sign .exe or .dll files.
string exePath = "C:/someOtherDir/HelloWorld.exe";

Chilkat.CodeSign signer = new Chilkat.CodeSign();

// If successful, the following call will apply the signature to the EXE (or DLL).
success = signer.AddSignature(exePath,cert,json);
if (success == false) {
    Debug.WriteLine(signer.LastErrorText);
    return;
}

Debug.WriteLine("Successfully applied the Authenticode signature.");