SQL Server

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

SQL Server

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

    -- 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"
    --   }
    -- }

    DECLARE @json int
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @json OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'hashAlg', 'sha256'
    EXEC sp_OAMethod @json, 'UpdateBool', @success OUT, 'timestampToken.enabled', 1
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'timestampToken.tsaUrl', 'http://timestamp.digicert.com'
    EXEC sp_OAMethod @json, 'UpdateBool', @success OUT, 'timestampToken.requestTsaCert', 1
    EXEC sp_OAMethod @json, 'UpdateString', @success OUT, 'timestampToken.hashAlg', 'sha256'

    -- Load a code signing certificate..
    DECLARE @cert int
    EXEC @hr = sp_OACreate 'Chilkat.Cert', @cert OUT

    EXEC sp_OAMethod @cert, 'LoadPfxFile', @success OUT, 'C:/someDir/myCodeSigningCert.pfx', 'pfx password'
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @cert, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @json
        EXEC @hr = sp_OADestroy @cert
        RETURN
      END

    -- You can sign .exe or .dll files.
    DECLARE @exePath nvarchar(4000)
    SELECT @exePath = 'C:/someOtherDir/HelloWorld.exe'

    DECLARE @signer int
    EXEC @hr = sp_OACreate 'Chilkat.CodeSign', @signer OUT

    -- If successful, the following call will apply the signature to the EXE (or DLL).
    EXEC sp_OAMethod @signer, 'AddSignature', @success OUT, @exePath, @cert, @json
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @signer, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @json
        EXEC @hr = sp_OADestroy @cert
        EXEC @hr = sp_OADestroy @signer
        RETURN
      END


    PRINT 'Successfully applied the Authenticode signature.'

    EXEC @hr = sp_OADestroy @json
    EXEC @hr = sp_OADestroy @cert
    EXEC @hr = sp_OADestroy @signer


END
GO