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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 me
by 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.