This is Apple's CommonCrypto-55010 (OS X 10.7.5).
We cannot use newer versions, because these depend on corecrypto which is not free software.

Quote:
> The corecrypto license gives users a "90-day limited, non-exclusive,
> non-sublicensable license under Apple's copyrights in the Apple Software
> to make a reasonable number of copies of, compile, and run the Apple
> software internally within your organisation only on devices that you own or
> control".