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I am a mac user and want to stay with the system-provided version of OpenSSL, which is OpenSSL 0.9.8y. I am wondering if installation of macports will automatically update my OpenSSL or install another version?

Also, how can I check the version of the OpenSSL library on my mac instead of the version of the OpenSSL command? Do they always have the same version? Thanks!

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MacPorts will not replace your system-provided version of OpenSSL. If you install OpenSSL using MacPorts, it will do so in a separate prefix (by default /opt/local).

To check the version of the OpenSSL library, run /path/to/openssl version where /path/to/openssl is the path of the OpenSSL binary that corresponds to the library you want to check, e.g. /usr/bin/openssl for the system OpenSSL in /usr/lib/libssl.dylib and /opt/local/bin/openssl for the MacPorts OpenSSL in /opt/local/lib/libssl.dylib.

You can also check the OpenSSL library version directly using

$> strings /path/to/libssl.dylib | grep -E '^OpenSSL'

e.g. for MacPorts:

$> strings /opt/local/lib/libssl.dylib | grep -E '^OpenSSL'
OpenSSL 1.0.1i 6 Aug 2014

and for system OpenSSL:

$> strings /usr/lib/libssl.dylib | grep -E '^OpenSSL'
OpenSSL 0.9.8y 5 Feb 2013
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MacPort will only install binaries you asked him to install using sudo port install.

To know your openSSL version, just type openssl version.

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