I need more information on SSL certificate.

SSL with Cross line (Red)

Normal SSL

Green SSL without EV

Green SSL with EV

I am using AWS EC2 Ubuntu 14 with LAMP. I looked for OpenSSL as I do not have budget but it acts like first one. I need SSL which can acts like second one or third one.

More importantly, I need SSL which can work on sub-domains as well (Single Domain with Wildcard) or multiple domain on Single Server.

Can anyone suggest one which will cost less on my pocket.

closed as off-topic by Steffen Ullrich, joeqwerty, HBruijn Dec 17 '15 at 22:41

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This is a new CA that is currently in public beta, trusted by all modern browsers, and completely free. It is worth your time to check it out.

  • Please note: Let's Encrypt doesn't sign wildcard certs. Instead you have to get a cert combining all your domains or one cert per domain. I would advise to go for the first route, as it makes the management (in my opinion) easier. – gf_ Dec 17 '15 at 12:15

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