This error:
ImportError:
/home/mcon/emotiq/new/Buildroot/output/target/usr/lib/python2.7/site-packages/_cffi_backend.so:
wrong ELF class: ELFCLASS32
suggests that the issue is with how cffi was compiled and not with
cryptography. Looking further back in the output I see it says:
Installed
Hi,
I am trying to port cryptography to a Buildroot-based ARM system.
Unfortunately basic cross-compilation fails with the message below.
Since I am not a Python programmer and I just need Cryptography as a
prerequisite for autobahn I am unable to understand what went wrong.
It seems to me comp