-2
votes
3answers
101 views

My friend hashes passwords with SHA512 algorithm without salt. How do I convince him that he needs to add salt?

Today I discovered something incredibly stupid - my friend hashes user passwords with sha512 algorithm without a salt. I immediately raised this issue to him but he said he wants to see anyone crack a ...
-3
votes
1answer
78 views

What is the algorithm of bcrypt? [closed]

In many places I heard that people recommend to use the bcrypt algorithm to save passwords into database while creating web applications.I want to know what is the algorithm used to bcrypt a password ...
0
votes
4answers
133 views

Password Hashing Without a Unique Salt

I have a question about password hashing. This is not a question about the the BEST POSSIBLE method of hashing passwords, but rather a more utilitarian question about what is sufficient to hash a ...
4
votes
2answers
3k views

Salted hashes vs HMAC?

Most of discussions involving access credentials include references to "hashing salted passwords". Is this another way to referring to the HMAC algorithm or a totally different operation? Different or ...
5
votes
4answers
427 views

Is it a good idea to have a “master” password?

Though I do have a good memory of passwords, it is quite impossible to have one password per application. Yet, it should be... My current way to deal with passwords is to have five passwords and to ...
3
votes
6answers
442 views

Methods for remembering passwords around the web

What's the least painful way to manage passwords for user accounts that you have on various sites? I see only 3 options: Password manager. Passwords can be different and strong, but the downside is ...
256
votes
10answers
30k views

Is my developer's home-brew password security right or wrong, and why?

A developer, let's call him 'Dave', insists on using home-brew scripts for password security. See Dave's proposal below. His team spent months adopting an industry standard protocol using Bcrypt. ...
4
votes
1answer
242 views

How will security need to be changed if we can crack password hashes in quasi-polynomial time?

If we suppose that we have access to some form of generalized password hacking/cracking that can somehow find an $n$-bit password in time $O(n^{\log n})$, is there need for alarm? This question ...
8
votes
4answers
568 views

How can we factor Moore's law into password cracking estimates?

How would we go about factoring Moore's law into exceedingly long password cracking estimates? Let's say we've got a 12 character password containing mixed-case alpha characters and numbers, i.e. ...