Hi Everyone,
I'm trying to cut-in a stream cipher where the IV is optional. The
implementation is OK when the *_Info describes an IV:
struct RabbitInfo : public FixedKeyLength<16,
SimpleKeyingInterface::UNIQUE_IV>
{
std::string StaticAlgorithmName() { return "Rabbit"; }
};
But when we run it without an IV:
Testing SymmetricCipher algorithm Rabbit.
Exception caught: Rabbit: this object requires an IV
And going the other way:
struct RabbitInfo : public FixedKeyLength<16,
SimpleKeyingInterface::NOT_RESYNCHRONIZABLE>
{
std::string StaticAlgorithmName() { return "Rabbit"; }
};
Results in the IV being skipped.
My question is, has anyone implemented a cipher with an optional IV? If so,
how was it implemented?
Jeff
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