16.4.3. Decryption Process

Try these first

1. 1.

   What does public key cryptography involve?

   Hint

   Think about the two types of keys.

2. 2.

   What is the purpose of the Diffie-Hellman key exchange?

   Hint

   Recall how two parties communicate openly.

3. 3.

   What key is used for encryption in public key cryptography?

   • Private Key
   • Public Key
   • Both Keys

   Hint

   Think about the roles of the keys.

4. 4.

   The Diffie-Hellman key exchange primarily aims to:

   • True
   • False

   Hint

   Consider its purpose.

5. 5.

   Explain the significance of using large prime numbers in RSA encryption and how it affects the difficulty of factorization.

   Hint

   Think about the relationship between multiplication and factorization.

6. 6.

   Discuss the role of discrete logarithm problems in both ElGamal and Diffie-Hellman encryption methodologies.

   Hint

   How does this secrecy enhance security?