@classmethod
def decode_ssh_private(cls, packet):
    """Decode an SSH format RSA private key"""
    n = packet.get_mpint()
    e = packet.get_mpint()
    d = packet.get_mpint()
    iqmp = packet.get_mpint()
    p = packet.get_mpint()
    q = packet.get_mpint()
    return n, e, d, p, q, d % (p - 1), d % (q - 1), iqmp
