unit Security.Verify; interface uses Winapi.Windows, System.SysUtils; type TBinaryVerificationResult = (vrVerified, vrUnsigned, vrTampered, vrError); function VerifyCurrentBinaryIntegrity: TBinaryVerificationResult; implementation // For an enterprise solution, link against wintrust.dll or crypt32.dll function VerifyCurrentBinaryIntegrity: TBinaryVerificationResult; var FileName: string; begin FileName := ParamStr(0); // Get the path of the executing binary try // 1. Locate and read the file stream // 2. Pass the file handle to WinVerifyTrust // 3. Evaluate the cryptographic signature trust provider // Placeholder representing successful internal verification Result := vrVerified; except on E: Exception do Result := vrError; end; end; end. Use code with caution.
Integrating validation checks directly inside Object Pascal source code allows applications to self-verify their integrity at runtime. This provides defense-in-depth even if external OS-level checks are bypassed. code4bin delphi verified