The subject unique identifier of the X.509 certificates was added in which version?
(a) 1
(b) 2
(c) 3
(d) 4
I have been asked this question by my school principal while I was bunking the class.
This intriguing question originated from Public Keys and X.509 Certificates-II in chapter Message Authentication Codes, Whirlpool Algorithm and Key Management and Distribution of Cryptograph & Network Security