Digital Signatures
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What is a digital signature for a software application in windows?
A digital signature is given by an issuing authority to prove the authenticity of an application.
In order to confirm that It is created by a trusted source and is not tampered since it’s creation.
“Can’t verify signature” is an error message that comes on Office applications if the license is broken or if the windows couldn’t recognize the digital signature on the application.
Also a digital signature acts like an extra layer for downloading and installing applications.
Briefly a digital signature protects your computer from malware. It is given by the software developer to sign the application programmatically.
If the software Is modified or utilized for other purposes, there are chances to break the policies of the applications.
Hence, we consider digital signature as an important material in the application lifecyle of deployment of a software on a client machine. When an application is launched, we register the software key through a key into the windows system registry.
The above window depicts a digital signature of word application. It is issued by the certificate authority governance on the company name.
This signature would have got tampered if you install any third party keys to over ride the application functionality.
