17.2.7 - Key Agreement Problem
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is a discrete logarithm?
💡 Hint: Think about how logarithms work in basic mathematics.
What is a cyclic group?
💡 Hint: Consider how one number can generate multiple outcomes through exponentiation.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the discrete logarithm?
💡 Hint: Think about the relationship between log and power.
The Diffie-Hellman protocol allows for secure communication over public channels without prior secret exchange.
💡 Hint: Recall the central purpose of the Diffie-Hellman method.
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
Given a cyclic group of order 7, with a generator g=3, calculate the discrete log for y=5.
💡 Hint: Calculate the powers of 3 and reduce modulo 7.
Explain why the security of communications depends on the computational difficulty of discrete logarithms.
💡 Hint: Think about the relationship between the group's structure and the challenge faced.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.