1
vote
1answer
385 views

What is this QR code authentication scheme called?

What is this pattern for mobile authentication called? It's more convenient than entering complex password on mobile phone, and I wanted to read about it more A user is authenticated within webapp ...
3
votes
1answer
138 views

Are there any uses of having a non-deterministic salt value for hashes?

So I've been toying with the idea of having non-deterministic salt values for hashes. Let me explain what I mean: Basically, I applied some properties from Bitcoin including a "difficulty" (ie, ...
5
votes
1answer
203 views

Security and authentication problem

We have a sample scenario and we would like to receive some feedback and some solutions regarding possible security schemes. First of all, lets imagine a real world scenario: Imagine that a user ...