Tagged Questions
1
vote
2answers
91 views
Many consecutive hashes to slow down brute force attack?
I've heard that hash algorithms like bcrypt are more secure because they take longer to complete, and therefore take much longer to prute force, without a noticable ...
4
votes
4answers
202 views
Could a very long password theoretically eliminate the need for a slow hash?
Before I provide details, I want to clarify that I am not looking to implement this practically, but I'm only asking to get a better understanding.
The way I currently understand it, we use slow ...
3
votes
2answers
131 views
How does using salt reduce rainbow table attack?
I could create a rainbow table for a particular salt value and still create a successful attack similar to one without salt value.
4
votes
2answers
217 views
Cost of attacking Mobile OTP with a fake server
You want to obtain a 74-bit secret $K$. There is an oracle that will provide you with the following value for several values of $T$:
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