dotherightthing/md5.md

Created August 15, 2019 09:45

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[MD5] #security

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md5.md

MD5

Created: 2017.04.12

MD5 is a secure hash algorithm. It takes a string as input, and produces a 128-bit number, the hash.

MD5 and SHA1 are designed for a number of properties, one of the strongest being collision resistance. This means that it should take an enormous computational effort -- around 264264 MD5 calls or 280280 SHA1 calls -- in order to find two files that have the same hash output.

This is an important property for a number of applications, most obviously digital signatures.

https://www.quora.com/Cryptography-Why-are-MD5-and-SHA1-called-broken-algorithms

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