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

C

#include <C_CkJsonObject.h>
#include <C_CkCert.h>
#include <C_CkCodeSign.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkJsonObject json;
    HCkCert cert;
    const char *exePath;
    HCkCodeSign signer;

    success = FALSE;

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

    // 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"
    //   }
    // }

    json = CkJsonObject_Create();
    CkJsonObject_UpdateString(json,"hashAlg","sha256");
    CkJsonObject_UpdateBool(json,"timestampToken.enabled",TRUE);
    CkJsonObject_UpdateString(json,"timestampToken.tsaUrl","http://timestamp.digicert.com");
    CkJsonObject_UpdateBool(json,"timestampToken.requestTsaCert",TRUE);
    CkJsonObject_UpdateString(json,"timestampToken.hashAlg","sha256");

    // Load a code signing certificate..
    cert = CkCert_Create();
    success = CkCert_LoadPfxFile(cert,"C:/someDir/myCodeSigningCert.pfx","pfx password");
    if (success == FALSE) {
        printf("%s\n",CkCert_lastErrorText(cert));
        CkJsonObject_Dispose(json);
        CkCert_Dispose(cert);
        return;
    }

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

    signer = CkCodeSign_Create();

    // If successful, the following call will apply the signature to the EXE (or DLL).
    success = CkCodeSign_AddSignature(signer,exePath,cert,json);
    if (success == FALSE) {
        printf("%s\n",CkCodeSign_lastErrorText(signer));
        CkJsonObject_Dispose(json);
        CkCert_Dispose(cert);
        CkCodeSign_Dispose(signer);
        return;
    }

    printf("Successfully applied the Authenticode signature.\n");


    CkJsonObject_Dispose(json);
    CkCert_Dispose(cert);
    CkCodeSign_Dispose(signer);

    }