(SQL Server) Remove the Authenticode Signature from an EXE or DLL

See more Code Signing Examples

Demonstrates how to remove the Authenticode signature from an EXE or DLL.

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

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

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

    -- You can verify a signed DLL or EXE.
    DECLARE @path nvarchar(4000)
    SELECT @path = 'c:/someDir/something.dll'

    DECLARE @codeSign int
    -- Use "Chilkat_9_5_0.CodeSign" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.CodeSign', @codeSign OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    -- If successful, the signature is removed from the EXE or DLL file.
    DECLARE @success int
    EXEC sp_OAMethod @codeSign, 'RemoveSignature', @success OUT, @path
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @codeSign, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
      END

    PRINT 'success: ' + @success

    EXEC @hr = sp_OADestroy @codeSign


END
GO