[openssl-users] Does openssl pick low level interface or high level interface to do encrypt?

- JinsongJi jjsbear at hotmail.com
Wed Aug 9 13:08:47 UTC 2017


For one simple operation: openssl enc -aes-256-cbc -salt -in foo.txt -out foo.enc
Does openssl pick classic implementation or AES-NI implementation to do this encrypt?

Does any user/application always pick classic implementation for AES operation regardless of AES-NI improves speed much?

Is there any document about this interface selection?

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