crypto in Slack
$ ./sslack /Applications/Slack.app/Contents/MacOS/Slack &
Slack is great tool, but people at Slack (and your team admin at some point) can read your private messages?
$ openssl genrsa -out private_sslack.pem 4096 && openssl rsa -pubout -in private_sslack.pem -out public_key.pem