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dysfun@treehouse.systems ("gaytabase") wrote:

this is my favourite picture in all of cryptography

https://en.wikipedia.org/wiki/Block%5Fcipher%5Fmode%5Fof%5Foperation#Electronic%5Fcodebook%5F%28ECB%29

comparison of 3 images. on the left, a tux - the original. in the middle, a sort of faded black and white tux, but recognisably a tux - this is encrypted with AES ECB. on the right some pretty random looking white noise - this is basically any other AES mode.