Grandstream Networks GWN7000 - Generate ServerClient Certificates; Figure 5: CA Certificate

GWN7000 VPN Guide
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Digest Algorithm
Choose the digest algorithm:
• SHA1: This digest algorithm provides a 160-bit fingerprint
output based on arbitrary length input.
• SHA-256: This digest algorithm generates an almost-
unique, fixed size 256-bit (32-byte) hash. Hash is a one-way
function – it cannot be decrypted back.
Lifetime (days)
Enter the validity date for the CA certificate in days.
In our example, set to “120”.
Country Code
Select a country code from the dropdown list.
In our example, set “MA”.
State or Province
Enter a state name or province.
In our example, set to “Casablanca”.
City
Enter a city name.
In our example, set to “Casablanca”.
Organization
Enter the organization name.
In our example, set to “GS”.
Organization Unit
Enter the organization unit name.
In our example, set to “Gs”.
Email Address
Enter an email address.
In our example its “grandstream@gmail.com”
4. Click on button after completing all the fields for the CA certificate.
5. Click on button to export the CA to local computer. The CA file has extension “.crt”.
Figure 5: CA Certificate
Generate Server/Client Certificates
Users need to create both server and client certificates for encrypted communication between clients and
GWN7000 acting as an OpenVPN® server.
❖ Creating Server Certificate
To create server certificate, follow below steps:
1. Go to “System Settings > Cert. Manager > Certificates”.