Podcast #128: We chat with Kent C Dodds about why he loves React and discuss what life was like in the dark days before Git. Listen now.
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A hash algorithm is a function which takes a variable size input and produces a fixed size output. The algorithm tries to make it difficult to predict the output for a given input, find two inputs with the same output, or reconstruct the input from the output.

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I want to authenticate a client of a webpage and make sure it is a particular user. Let say that we already agreed on a particular hash (SHA256, actually, which I think is secure enough for this … client has access to an input field where they load their key file. The client computes an answer by appending key to their challenge contents and computing its hash. The client sends back only the …
asked Mar 1 '16 by almosnow