Breaking homegrown crypto

Everyone knows it. Rolling your own cryptography is a terrible idea. Here’s Bruce Schneier writing about it in 1999. Here’s an excellent answer on the Infosec Stack Exchange about why you shouldn’t do it. Here’s another Scheiner post with an excellent opening sentence.This, then, is a post about a broken homegrown cryptosystem; namely, that used in CodeIgniter, pre-2.2. This version was current until the release of CodeIgniter 2.2, on the 5th of June, 2014, and you can still find sites on it today.

Source: Breaking homegrown crypto

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