Write the full name and describe each of the following acronyms:
a) PKI.
b) IPSec.
c) CRL.
d) AES.
e) SSL.
a) PKI.
ANS: Public-Key Infrastructure is the system set up to make public-key cryptography run smoothly. Components of PKI include digital certificates and certificate authorities.
b) IPSec.
ANS: Internet Protocol Security is one of the technologies used to create virtual private networks. IPSec operates on the existing infrastructure of the internet and provides levels of security parallel to that of a private local area network.
c) CRL.
ANS: A certificate revocation list is an archive of all certificates that have been compromised before they have expired. When the certificates expire, they are removed.
d) AES.
ANS: The Advanced Encryption Standard, Rijndael, is the new standard for secret-key cryptography.
e) SSL.
ANS: The Secure Sockets Layer (SSL) protocol is a nonproprietary protocol commonly used to secure communication between two computers on the Internet and the Web.
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