How to generate RSA Keypair
Creating an RSA keypair for JWT(RS256) or other purposes.
$ openssl genrsa -out key.pem 2048
Generating RSA private key, 2048 bit long modulus
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e is 65537 (0x10001)
Extract public key from the key pair.
$ openssl rsa -in key.pem -outform PEM -pubout -out public.pem
writing RSA key
