Code signing (D)usescryptographic digital signaturesto confirm theintegrity and authenticityof software code. It ensures that the code hasnot been alteredafter being signed, providing assurance that the application is trustworthy. This aligns withCompTIA Security+ SY0-701 Domain 2.3: Application security techniques, which includescode signingas a method to validatecode integrity. Reference: CompTIA Security+ SY0-701 Objectives, Domain 2.3 - "Code signing: Validates integrity and origin of the software."