Which of the following statements is true? A) Without a trusted certificate veri

Question

Which of the following statements is true?

A) Without a trusted certificate verifying the identity of a communication partner, a "Man in the Middle" attack is possible even when using asymmetric key cryptography.

B) For more than one person to decrypt a file encrypted with symmetric key cryptography, it is usually necessary for more than one person to know the encryption key.

C) It is probably not possible to create an encryption system that lets good guys decrypt the communications of bad guys without also allowing bad guys to decrypt communication between good guys.

D) RSA encryption does not have flaws that have been exploited by governments to detain and/or kill political dissidents.

E) RSA encryption is broken by design Ref: https://www.wired.com/2013/09/nsa-backdoor/

1. B, D

2. C, E

3. A, B, C, D

4. A, B, C, E

5. A, B, C, D, E

1. B, D

2. C, E

3. A, B, C, D

4. A, B, C, E

5. A, B, C, D, E

Explanation / Answer

Answer)

The possible answer could have been 1 and 3 but the valid answer is 3) A, B. C and D as In option A we have the trusted identities of the two individuals the security is always at a threat and MITM attack can happen anytime.

Option is E is not possible as the RSA key is not broken by design when properly used.

Hope this answer helps . :) Happy to help.

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