Generate Private and Public RSA Key

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Generate an RSA private key, of size 2048, and output it to a file named identity_private_key.pem in to ./cert

openssl genrsa -out identity_private_key.pem 2048

Extract the public key from identity_private_key.pem from ./cert, and output it to a file named identity_public_key.pem in to ./cert

openssl rsa -in identity_private_key.pem -pubout -out identity_public_key.pem