Generate Testing Keys and Certificate

#Generate a certificate authority certificate and key.

openssl req -new -x509 -days <duration> -extensions v3_ca -keyout ca.key -out ca.crt

#Server

- Generate a server key.

    openssl genrsa -des3 -out server.key 2048

- Generate a server key without encryption.

    openssl genrsa -out server.key 2048

- Generate a certificate signing request to send to the CA.
    
    openssl req -out server.csr -key server.key -new

- Send the CSR to the CA, or sign it with your CA key:

    openssl x509 -req -in server.csr -CA ca.crt -CAkey ca.key -CAcreateserial -out server.crt -days <duration>

#Client

- Generate a client key.

    openssl genrsa -des3 -out client.key 2048

- Generate a certificate signing request to send to the CA.
    
    openssl req -out client.csr -key client.key -new

- Send the CSR to the CA, or sign it with your CA key:

    openssl x509 -req -in client.csr -CA ca.crt -CAkey ca.key -CAcreateserial -out client.crt -days <duration>