I have a new mac pro (OS X 10.9.5) that I get to set up from scratch. I want to install RVM and the first thing it says to do is:
Install mpapis public key (might need
gpg2and orsudo)gpg --keyserver hkp://keys.gnupg.net --recv-keys D39DC0E3
When I tried I got:
gpg --keyserver hkp://keys.gnupg.net --recv-keys D39DC0E3
zsh: command not found: gpg
I've tried to find a good guide on how to overcome this that also looks trustworthy but I've had no luck.
Can someone explain what gpg is, why I dont already have it, and how do I get it the right way.
GnuPG (with binary name gpg) is an application used for public key encryption using the OpenPGP protocol, but also verification of signatures (cryptographic signatures, that also can validate the publisher if used correctly). To some extend, you could say it's for OpenPGP what OpenSSL is for X.509 and TLS.
Unlike most Linux distributions (which make heavy use of GnuPG for ensuring untampered software within their package repositories), Mac OS X does not bring GnuPG with the operating system, so you have to install it on your own.
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