loadPrivateKeyFromFile will take in a privateKeyPath and optional passphrasePath It will use these 2 path information to read the files and create a privateKey and publicKey
the path to the privateKey PEM file
the path to the passphrase PEM file
object that contains: { privateKey, publicKey }
loadPrivateKeyFromFile will take in a privateKeyPath and optional passphrasePath It will use these 2 path information to read the files and create a privateKey and publicKey
the path to the privateKey PEM file
the path to the passphrase PEM file
object that contains: { privateKey, publicKey }