Information Technology (Certifying Authorities) Rules, 2000
7. Digital Signature Certificate Standard.-
All Digital Signature Certificates issued by the Certifying Authorities shall conform to ITU X.509 version 3 standard as per rule 6 and shall inter alia contain the following data, namely:-
a. Serial Number (assigning of serial number to the Digital Signature Certificate by Certifying Authority to distinguish it from other certificate);
b. Signature Algorithm Identifier (which identifies the algorithm used by Certifying Authority to sign the Digital Signature Certificate);
c. Issuer Name (name of the Certifying Authority who issued the Digital Signature Certificate);
d. Validity period of the Digital Signature Certificate;
e. Name of the subscriber (whose public key the Certificate identifies); and
f. Public Key information of the subscriber.
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