The Gateway to Computer Science Excellence

First time here? Checkout the FAQ!

x

+3 votes

A public key encryption system

- allows anyone to decode the transmissions
- allows only the correct sender to decode the data
- allows only the correct receiver to decode the data
- does not encode the data before transmitting it

+7 votes

Best answer

In a public-key encryption system, any person can encrypt a message using the public key of the receiver, but such a message can be decrypted only with the receiver's private key.A public key encryption allows only the correct receiver to decode the data because others dont have the private keys.so **correct answer is C**

0 votes

In a public-key encryption system,Basically any person can do the task of encryption using public key of receiver .

When receiver receive its cipher text ,then only he has private therefore only he can decrypt the CT and convert into PT(Plain text).

**Therefore sender can be any one please but receiver will be one that is receiver.**

**Therefore best option will C.**

- All categories
- General Aptitude 1.4k
- Engineering Mathematics 5.9k
- Digital Logic 2.3k
- Programming & DS 4.3k
- Algorithms 3.7k
- Theory of Computation 4.6k
- Compiler Design 1.7k
- Databases 3.4k
- CO & Architecture 2.9k
- Computer Networks 3.4k
- Non GATE 1.2k
- Others 1.3k
- Admissions 506
- Exam Queries 482
- Tier 1 Placement Questions 22
- Job Queries 64
- Projects 15

40,904 questions

47,561 answers

146,300 comments

62,306 users