Archived: SPHiNX Chall-Resp
SPHiNX is an example challenge-response authentication system. It was originally developed by Joshua Hollenbeck, Ryan Lewis, and Patrick F. Wilbur for a cryptography class project.
SPHiNX makes use of various techniques to workaround potential future vulnerabilities in the one-way hash functions it uses that are yet to be discovered.
- Online Server Example
- Online Client Example – use ?chal=*challenge number* in the address to get the correct code.
- Source Code
This work is licensed under a Creative Commons Attribution-Share Alike 3.0 United States License.