Homebrew,ssl,ruby

Homebrew インストール SSLでエラー

MacOSX 10.8.5
Xcode 5.1.1

1.質問 Homebrew インストールするには?

Homebrew インストール SSLでエラー

$ ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
curl: (60) SSL certificate problem: unable to get local issuer certificate
More details here: https://curl.haxx.se/docs/sslcerts.html

curl failed to verify the legitimacy of the server and therefore could not
establish a secure connection to it. To learn more about this situation and
how to fix it, please visit the web page mentioned above.

-kオプションを入れてもダメだった。

$ ruby -e "$(curl -fsSL -k https://raw.githubusercontent.com/Homebrew/install/master/install)" 
==> This script will install:
/usr/local/bin/brew
/usr/local/share/doc/homebrew
/usr/local/share/man/man1/brew.1
/usr/local/share/zsh/site-functions/_brew
/usr/local/etc/bash_completion.d/brew
/usr/local/Homebrew

Press RETURN to continue or any other key to abort
==> Downloading and installing Homebrew...
fatal: unable to access 'https://github.com/Homebrew/brew/': error:1407742E:SSL routines:SSL23_GET_SERVER_HELLO:tlsv1 alert protocol version
Failed during: git fetch origin master:refs/remotes/origin/master --tags --force