Create a Self-Signed Certificate For Salesforce Connected Apps

create-self-signed-certificate.sh

#!/bin/bash

# source: https://developer.salesforce.com/docs/atlas.en-us.sfdx_dev.meta/sfdx_dev/sfdx_dev_auth_key_and_cert.htm

openssl genpkey -des3 -algorithm RSA -pass pass:SomePassword -out server.pass.key -pkeyopt rsa_keygen_bits:2048

openssl rsa -passin pass:SomePassword -in server.pass.key -out server.key

openssl req -new -key server.key -out server.csr

openssl x509 -req -sha256 -days 3650 -in server.csr -signkey server.key -out server.crt

rm server.pass.key

rm server.csr