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B4X

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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B4X
Dim success As Boolean = 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"
'    }
'  }

Dim json As ChilkatJsonObject
json.Initialize
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..
Dim cert As ChilkatCert
cert.Initialize("cert")
success = cert.LoadPfxFile("C:/someDir/myCodeSigningCert.pfx", "pfx password")
If success = False Then
    Log(cert.LastErrorText)
    Return
End If


'  You can sign .exe or .dll files.
Dim exePath As String = "C:/someOtherDir/HelloWorld.exe"

Dim signer As ChilkatCodeSign
signer.Initialize("signer")

'  If successful, the following call will apply the signature to the EXE (or DLL).
success = signer.AddSignature(exePath, cert, json)
If success = False Then
    Log(signer.LastErrorText)
    Return
End If


Log("Successfully applied the Authenticode signature.")