A Certificate is a digitally signed message that contains a Subscriber's public key and associates it with The MCA21 application is designed to support Class 2 & 3 Digital Signature Certificates (DSC) issued by licensed Certifying Authority under Controller of Certifying Authorities, GoI.. TCS under this Agreement offers three distinct classes ("Classes") of Certificates, Classes 1, 2, and 3. Each class, of Certificates provides specific functionality and security features and corresponds to a specific level of trust. You are responsible for choosing which Class of Certificate You need. The following subsections state the appropriate uses and authentication procedures for each Class of Certificate. For more detailed information about digital certificates.
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