What are the steps of a signature verification with the SigChecker?
A signature verification with the SigChecker includes the following steps: • The verification of the signature (signature integrity) This step verifies the integrity, namely the intactness, of the signature and thus of the signed document. During the process, a hash value of the signed document is generated and compared with the original hash value created during the generation of the signature.Only when the document is intact, the two hash values are identical and the verification of the signature’s integrity is positive. • The verification of the certificate for validity and quality (certificate integrity) During the verification of the certificate, the certificate’s validity at the time of signing is verified. During this process, the respective directory service of the certification service provider who has issued the certificate is scanned. In addition, it is verified that the signature quality is sufficient, which means that a qualified certificate has been used, which is in comp
