Is using the same IV the same as not using an IV at all? (crypto.stackexchange.com) 6 points by likecarter 5y ago ↗ HN
[–] aliasEli 5y ago ↗ In virtually all cases the answer is yes.The problem that an IV tries to remedy is that many messages have a more or less fixed format for the start of the message, so you have some plaintext. This is one of the reasons why some many German Enigma messages were broken.
1 comment
[ 3.0 ms ] story [ 13.1 ms ] threadThe problem that an IV tries to remedy is that many messages have a more or less fixed format for the start of the message, so you have some plaintext. This is one of the reasons why some many German Enigma messages were broken.