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Posts Tagged ‘crack your own password’

How to crack your own LinkedIn password hash
Last Updated on Wednesday, 20 November 2013 12:46
Written by jj
Monday, June 11th, 2012

Several people have asked what it means to crack a password hash, and others have asked for an even simpler explanation of what a hash is.

In brief, a hash is a one-way cryptographic function. In security circles, it’s not really considered to be encryption, in the technical sense, but it is a function of cryptography. When we hash something, we take a value, it can be any length of letters, numbers, text and we perform a function on it that spits out a fixed-length value. With the LinkedIn passwords, they use a hash algorithm called SHA-1. SHA-1 always gives us an output of exactly 160 bits. You’ll see a specific example set below. (more…)

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