from Crypto.PublicKey import RSA
def generate_ssh_keypair():
"""
Generates a new 2048 bit RSA public key in OpenSSH format and private key in PEM format.
key = RSA.generate(2048)
public_key = key.publickey().exportKey('OpenSSH')
private_key = key.exportKey('PEM')
return (public_key, private_key)