medium
Single Answer
0Fotis and Sakis would like to begin communicating using a symmetric cryptosystem, but they have no prearranged secret and are not able to meet in person to exchange keys. What algorithm can they use to securely exchange the secret key?
Answer Options
A
IDEA
B
Diffie-Hellman
C
RSA
D
MD5
Correct Answer: B
Explanation
The Diffie-Hellman algorithm allows for the secure exchange of symmetric encryption keys over a public network. IDEA and RSA are encryption algorithms. MD5 is a hashing function.