From LQWiki

openssl allows you to set up a secure sockets layer. You need this e.g. when configuring apache to use https.

Install openssl

To install openssl,

• download and unpack it:

wget http://www.openssl.org/source/openssl-0.9.8i.tar.gz
tar xvzf openssl-0.9.8i.tar.gz

• build and install it:

cd openssl-0.9.8
./config && make && make install

See also

• http://www.openssl.org/