On 1 February 2016 at 22:45, Viktor Dukhovni <openssl-users at dukhovni.org> wrote: > > You're using internal function names that are not exported by the > libcrypto shared library on Debian systems. Use the EVP interface. > > In future versions of OpenSSL constrained visibility of shared > library symbols will be extended to more platforms (than just Debian > where the export list was created by the Debian package maintainer). > > The EVP interface is faster on many systems (supports AES-NI on > suitably capable Intel CPUs) and also safer (avoids timing > side-channels). thanks Viktor, but what if (for reasons beyond this discussion) I wish to use the low level internal aesni_* functions? Would I have to compile libssl-dev myself ? It looks to me as if Debian was trying to protect me from myself. Can't I play with the internal functions ? I don't mind loosing compatibility on non-AES-NI processors.