FYI, OpenSSL v1.0.1-beta1 seems to work fine when building and running Tor v0.2.2.35 (Linux/i686).

Too early to say anything about performance (critical as the crypto is the performance bottleneck in Tor) but it definitely works as a drop-in replacement for OpenSSL v1.0.0e.

http://marc.info/?l=openssl-announce&m=132338836402522&w=2