The challenge-response tag has no wiki summary.
1
vote
2answers
115 views
Help me describe/identify this challenge-response protocol/algorithm?
My area of expertise is reverse engineering, specifically embedded systems. I do attack cryptographic systems, but this largely involves key recovery or exploiting the implementation.
I was asked to ...
1
vote
2answers
135 views
Zero-Knowledge Challenge-Responce Protocol
Good day to everyone.
I am trying to implement an e voting system (just for reference -it is not important though-it is described at the Internet Voting Protocol Based on Improved Implicit Security ...
3
votes
2answers
153 views
What challenge should I use in a challenge-response proof-of-work?
In order to guard against denial-of-service attacks, I want to require clients to do some work (more work than the server does fulfilling the request) before talking to them.
Client connects
Server ...
1
vote
1answer
117 views
How is the password sent across for verification?
I am familiar with Challenge-Response Authentication scheme.
However I would like to know actual message content sent between client and server for 1 way authentication, over an insecure channel.
...
2
votes
1answer
291 views
Hash or encryption function for challenge-response protocol?
Say I have an authentication protocol where the shared secret is never transmitted. The server passes a challenge to the client and the client calculates a response using an algorithm where the ...
