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README-openssl-create-self-signed-key.md

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What's this?

This is a quick and dirty script that I wrote which creates an SSL key and a self-signed certificate, without littering up your filesystem with intermediate files.

Why would I want to use this?

Let's say you're running a webserver on your personal machine and don't need a properly signed key. I got tired of having to look up the syntax for the openssl every single time, hence this script.

Syntax

./openssl-create-self-signed-key basename
    basename The base name for the key and self-signed public certificate

Sample run

#
#
# About to generate private key
#
#
Generating RSA private key, 2048 bit long modulus
.............................+++
.............................+++
e is 65537 (0x10001)
#
#
# About to create certificate signing request
# For these questions, if the key is being used for AWS or anywhere BUT a public server, you can just mash the enter key.
#
#
You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter '.', the field will be left blank.
-----
Country Name (2 letter code) [AU]:
State or Province Name (full name) [Some-State]:
Locality Name (eg, city) []:
Organization Name (eg, company) [Internet Widgits Pty Ltd]:
Organizational Unit Name (eg, section) []:
Common Name (eg, YOUR name) []:
Email Address []:

Please enter the following 'extra' attributes
to be sent with your certificate request
A challenge password []:
An optional company name []:
writing RSA key
#
#
# Creating the self-signed certificate.
#
#
Signature ok
subject=/C=AU/ST=Some-State/O=Internet Widgits Pty Ltd
Getting Private key
#
#
# All done!  Here are your files:
# Private key: foobar.key
# Certificate: foobar.crt
#
#

Author

Douglas T. Muth. You can email me at doug.muth@gmail.com or harass me in social media.

Shameless self-promotion

I like solving problems like these. If you need someone to solve problems like these, we should talk. :-) Here's my resume: http://www.dmuth.org/resume