SSL generation

gistfile1.txt

#Compared a Key with certificate
__The below 2 commands hashed and if it matches then the private key and certificate are matching.__

openssl pkey -in privateKey.key -pubout -outform pem | sha256sum 
openssl x509 -in cert.crt -pubkey -noout -outform pem | sha256sum

#Create CSR from existing key file
openssl req -key domain.key -new -out domain.csr

#Generate CSR
openssl req -newkey rsa:2048 -keyout PRIVATEKEY.key -out MYCSR.csr