Can one be compelled by law enforcement to reveal a cryptographic key or the pas

Question

Can one be compelled by law enforcement to reveal a cryptographic key or the password to unlock such a key.

Question 9 options:

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Question 10 (5 points)

A digital certificate makes a public key tamper-resistant because

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Question 11 (5 points)

Which of the following best describes the key exchange problem?

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Question 12 (5 points)

You are working on a project that deals with confidential data which requires encryption. A colleague tells you he has developed a new, unbreakable encryption algorithm. How should you respond?

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Question 13 (5 points)

Which encryption algorithm is most appropriate for data in storage?

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Question 14 (5 points)

The advanced encryption standard (AES) is

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Question 15 (5 points)

Which encryption algorithm is most appropriate for on line electronic commerce?

Question 15 options:

1) Yes; you could be jailed for contempt of court if you refuse. 2) No; you have a Fifth Amendment right not to incriminate yourself. 3) Maybe; Federal courts in different circuits have ruled differently under different circumstances. 4) Maybe, but only if there is other evidence against you.

Explanation / Answer

Since this is a MCQ questionnaire I will only answer with correct option. And also no explanation is asked for explicitly.

**NOTE: you can read about the answers to validate their correctness.

Ans 9) Maybe; Federal courts in different circuits have ruled differently under different circumstances.

Ans 10) The digital signature will not validate if the certificate is changed.

Ans 11) Alice wants to give a symmetric key to Barbara in a secure manner.

Ans 12) We should use a published and time-tested algorithm.

Ans 13) Symmetric key cryptography(AES).

Ans 14) Required for use by banks and the Federal government.

Ans 15) Public key cryptography.

Hope this helps.

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