Yes, you want a hybrid encryption scheme here. Generate a symmetric key, use that to encrypt the payload, and encrypt the key itself under the public key.
Composing this in a safe manner is tricky though, so you may want to consider PyNaCl for this. On Tue, Sep 29, 2020 at 4:03 PM <momc...@bojinov.info> wrote: > Hello, > > > > New guy. > > > > Not much of a python dev but I managed to put together some code to > encrypt/decrypt files using RSA > > But like the entire fine, not just some intermediate password > > > > public_key.encrypt of 11 Mb ( ~47 000 * 190 byte pieces) file took about 8 > seconds > > private_key.decrypt of the same file took 143 seconds > > > > profiler said 142 of those came from _openssl.EVP_PKEY_decrypt > > > > I m running x64 Python version 3.8.5 > > And I just installed the cryptography module today through pip > > > > Am I being stupid trying to do this and not go with asymmetric encryption > for the intermediate and go symmetric from there ? > > > > Regards, > > Momchil > _______________________________________________ > Cryptography-dev mailing list > Cryptography-dev@python.org > https://mail.python.org/mailman/listinfo/cryptography-dev >
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