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Questions and Answers
Which of the following is NOT a topic covered in the unit on Number Theory and Public Key Cryptography?
Which of the following is NOT a topic covered in the unit on Number Theory and Public Key Cryptography?
- Euclidean Algorithm
- Symmetric Key Cryptography (correct)
- Euler’s Totient Function
- Modular arithmetic
What is the purpose of the Euler’s Totient Function in public key cryptography?
What is the purpose of the Euler’s Totient Function in public key cryptography?
- To find prime numbers
- To calculate the number of relatively prime numbers to a given number (correct)
- To generate random numbers
- To encrypt messages
Which algorithm is commonly used for public key cryptography?
Which algorithm is commonly used for public key cryptography?
- Diffie-Hellman (correct)
- DES
- AES
- RC4
What is the main advantage of public key cryptography over symmetric key cryptography?
What is the main advantage of public key cryptography over symmetric key cryptography?
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What is the key exchange protocol commonly used in public key cryptography?
What is the key exchange protocol commonly used in public key cryptography?
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Study Notes
Topics in Number Theory and Public Key Cryptography
- The unit on Number Theory and Public Key Cryptography does not cover a topic among the given options.
Euler's Totient Function in Public Key Cryptography
- The Euler's Totient Function is used to compute the number of integers relatively prime to a given number in public key cryptography.
Algorithm for Public Key Cryptography
- The RSA algorithm is commonly used for public key cryptography.
Advantages of Public Key Cryptography
- The main advantage of public key cryptography over symmetric key cryptography is that it allows for secure communication without a prior shared secret key.
Key Exchange Protocol
- The Diffie-Hellman key exchange protocol is commonly used in public key cryptography.
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