Key Exchange

info

Merchant has to provide public key and Device Serial Number to Finexus.
Finexus will provide Finexus public key and source system to merchant.

Retrieve the Device Serial Number in Settings > System > About > Status.

Set Up OpenSSL

Step 1 : Download SSL file

Download OpenSSL-1.0.2p.zip from https://sourceforge.net/projects/openssl-for-windows/files/.

Step 2 : Set configuration and path

Set OPENSSL_CONF and Path in User Variable for user.

Generate Keypair

1. Open command prompt as Administrator.
2. Go to the folder to put in key file (cd E:\..)
3. Run the commands below to generate Keypair.

Private Key

Step 1 : Generate PEM format by RSA

openssl genrsa -out privatekey.pem 2048

Step 2 : Convert PEM to key

openssl rsa -in privatekey.pem -out private.key

Public Key

Step 1 : Generate publickey.pem from privatekey.pem

openssl rsa -in privatekey.pem -out publickey.pem -pubout -outform PEM

Step 2 : Generate publickey.key from privatekey.pem

openssl rsa -in privatekey.pem -pubout > public.key