#
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.PHONY: all
-all: index.txt serial dh ca server client
+all: index.txt serial ca server client
.PHONY: client
client: client.pem
$ vi ca.cnf
```
+Edit `default_days` to set the desired lifetime of the CA certificate.
+
Edit the `input_password` and `output_password` fields to be the
password for the CA certificate.
$ vi server.cnf
```
+Edit `default_days` to set the lifetime of the server certificate.
+The maximum for this is 825 for compatibility with all client devices.
+
Edit the `input_password` and `output_password` fields to be the
password for the server certificate.
$ vi client.cnf
```
+Edit `default_days` to set the lifetime of the client certificate.
+
Edit the `input_password` and `output_password` fields to be the
password for the client certificate. You will have to give these
passwords to the end user who will be using the certificates.