Algorithm is a set of step-by-step operations to be performed including calculations, data processing, and automated reasoning.

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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. ...
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4answers
1k views

For someone who has a key and ciphertext, is it possible to find out what encryption algorithm was used?

I am new in cryptography, and while learning a different questions pop up in my mind. Here is one of them. For someone who has a key and ciphertext, is it possible to find out what encryption ...
4
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3answers
927 views

Determine hashing algorithm only with known input and output

Given the input: test A system generates the following output hash: 0x001F41B6A0534D3B851D69EFE6237F550100000010D5F4FC65E64BCFDBF2590212E4411C44942C6C734C00ACFE13B958DCAB3614 I do not know ...
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2answers
7k 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 ...
8
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1answer
2k views

Identifying an unknown hash

During some of my research work I encountered an unknown hashed string. What I am curious about is the algorithm used to generate it. A factor that makes it interesting - the string contains an ...
4
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2answers
96 views

Securing anonymous website posts

Can a website allow users to securely post anonymously, while still allowing these posts to be edited by the original author at a later time and preventing editing by other users? In this context, ...