COMPUTER NETWORKING

NETWORK SECURITY

DIGITAL SIGNATURE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of the following is not contained in a digital certificate?
A
Public key.
B
Session key.
C
Validity period.
D
Hash algorithm.
Explanation: 

Detailed explanation-1: -The CA’s certificate contains its public key. Digital certificates do not contain your private key.

Detailed explanation-2: -Digital certificates include the public key being certified, identifying information about the entity that owns the public key, metadata relating to the digital certificate and a digital signature of the public key the certificate issuer created.

Detailed explanation-3: -A digital certificate contains identifiable information, such as a user’s name, company, or department and a device’s Internet Protocol (IP) address or serial number.

Detailed explanation-4: -A certificate contains a public key. The certificate, in addition to containing the public key, contains additional information such as issuer, what the certificate is supposed to be used for, and other types of metadata. Typically, a certificate is itself signed by a certificate authority (CA) using CA’s private key.

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