[openssl-users] compared performances on Mac OS X 10.6.8
openssl-users at dukhovni.org
Mon May 11 05:45:48 UTC 2015
On Mon, May 11, 2015 at 07:24:10AM +0200, Patrick Proniewski wrote:
> I've compiled OpenSSL 1.0.2a on Mac OS X 10.6.8, and used `openssl
> speed` to compare performances with stock OpenSSL (0.9.8). In many
> tests, 1.0.2a is a bit faster, or as fast as 0.9.8y, but on the 6
> AES tests, the old one is almost twice as fast as the new one:
Use "openssl speed -evp". Then if your hardware has AES-NI, it
will be faster in 1.0.2. Otherwise, the slowdown is expected.
The software-only AES in 1.0.x is constant-time, and avoids
timing side-channel attacks. The 0.9.8 version is not
constant time (faster, but less secure).
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