Questiona what is the use of digital certificateb what is, Ask an Expert

Question:

(a) What is the use of digital certificate?

(b) What is meant by a hierarchical trust model in a Public Key Infrastructure? How does the Pretty Good Privacy (PGP) model of trust differ from this? Illustrate your answer with diagrams. Why is it important that PGP certificates allow multiple signers?

(c) What do you understand by certificate revocation? Give two instances when a certificate needs to be revoked. How does the public key infrastructure handle revocation?

(d) As a web user, how can you tell if the site you are communicating with is using SSL security?

(e) Explain how the dual signature used in the Secure Electronic Transaction (SET) protocol allows privacy, that is, the merchant can see only the order information and the bank can access only the payment information.

(f) Why is the 3-D secure protocol more secure than SET?

View complete question

Computer Network & Security, Computer Science

Category:- Computer Network & Security
Reference No.:- M9587766

Have any Question?Write your Review or question?

Related Questions in Computer Network & Security

Network requirement analysis and planpurpose of the

Network requirement analysis and plan Purpose of the assessment (with ULO Mapping) Main objective of this assignment is to enable student to understand networking devices, gather requirements for a given business case st ...

Lab activity investigate system backup and restore

Lab Activity: Investigate System Backup and Restore Tools Purpose: Assess and Document Tools to Backup and Restore the System Hard Drive for a Windows 8.1 Workstation. - Assess and document the use of a system backup too ...

Task1 in each of the following scenarios there is a

Task 1. In each of the following scenarios there is a relationship to work life in the IT industry. With each of the following question, ensure that your answer includes the explanation of how it would be applied to work ...

There are standards in network communication through which

There are standards in network communication through which data is transferred from one system to another. Discuss why these standards are important. Do you think it would be easier to purchase different equipment and so ...

Question in regards to encryption does the public key and

Question : In regards to encryption, does the public key and private key come from the sender or does the receiver already have the private and is given the public key by the sender? The response must be typed, single sp ...

Wireless sensor networks wsn let users to access servers

Wireless Sensor Networks (WSN) let users to access servers, printers, and other network resources regardless of their location, within the wireless reach. This flexibility means that, for example, a user's laptop stays c ...

Question for the remaining questions consider a 4-bit block

Question : For the remaining questions, consider a 4-bit block cipher, described in hexadecimal by the following table: Plaintext Ciphertext Plaintext Ciphertext 0 a 8 e 1 c 9 d 2 f a 0 3 6 b 7 4 3 c 5 5 8 d b 6 4 e 9 7 ...

Advanced network design assessment - human factors in

Advanced Network Design Assessment - Human factors in network analysis and design Purpose of the assessment - This assignment is designed to assess students' knowledge and skills related to the following learning outcome ...

Recent tariff actions by president trump include raising

Recent tariff actions by President Trump include raising tariffs and quotas on imports of both manufactured goods like televisions and automobiles and intermediate goods like steel and aluminum sheets. How will the econo ...

From the product designed expanded as follows1 from your

From the product designed expanded as follows. 1. From your list of possible responses to the threat, choose one that you will focus on in this product. Create the requirements for your product by completely identifying ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Computer Network & Security Expert

Computer Science

Related Questions in Computer Network & Security

Network requirement analysis and planpurpose of the

Lab activity investigate system backup and restore

Task1 in each of the following scenarios there is a

There are standards in network communication through which

Question in regards to encryption does the public key and

Wireless sensor networks wsn let users to access servers

Question for the remaining questions consider a 4-bit block

Advanced network design assessment - human factors in

Recent tariff actions by president trump include raising

From the product designed expanded as follows1 from your

Ask Experts for help!!

Looking for Assignment Help?

Why might a bank avoid the use of interest rate swaps even

Describe the difference between zero coupon bonds and

Compute the present value of an annuity of 880 per year

Compute the present value of an 1150 payment made in ten

Compute the present value of an annuity of 699 per year

Follow Us