Hi all,

If I understand correctly ProcessData in SymmetricCipher is not
thread-safe for CBC and CFB, but how about ECB?

I'm using CryptoPP::ECB_Mode<CryptoPP::AES> for en/decryption.
Right now it's a singleton in an application and its key is
set in its initialization. Then multiple threads access it to use
its ProcessData. Is this a legal way to use it or should I
create/destruct CryptoPP::ECB_Mode<CryptoPP::AES> each time I
want to use it? If the init cost of that class is trivial I'd
like to go the latter way, but not sure about it.


Thanks in advance.

sword


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