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Adding creating S/MIMEs
(Adding S/MIME section)
(Adding creating S/MIMEs)
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== Creating and using S/MIME ==
== Creating and using S/MIME ==
This is how to create a self-signed S/MIME certificate, used for email encryption and decryption in an email client.


First, generate your new key:
First, generate your new key:
<pre>$ openssl genrsa -out smime.key 2048</pre>
<pre>$ openssl genrsa -out smime.key 2048</pre>
Then create a [[Certificate Signing Request]]:
<pre>$ openssl req -new -key smime.key -out smime.csr
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]:GB
State or Province Name (full name) [Some-State]:Leeds
Locality Name (eg, city) []:Leeds
Organization Name (eg, company) [Internet Widgits Pty Ltd]:Palfreman Trading Ltd
Organizational Unit Name (eg, section) []:
Common Name (e.g. server FQDN or YOUR name) []:William Palfreman
Email Address []:william@palfreman.com
Please enter the following 'extra' attributes
to be sent with your certificate request
A challenge password []:
An optional company name []:
</pre>
Then sign the [[Certificate Signing Request|CSR]] using your own [[Certificate Authority]].
$ openssl x509 -req -days 730 -in csr/smime.csr -CA certs/intermediate.crt -CAkey private/intermediate.key -set_serial 1 -out ../smime/smime.crt
T.B.C....