returns the key parameters in big-endian byte slice format. // // P, Q, dP, dQ, and qInv may be nil if the key was created with // NewPrivateKeyWithout. func (priv *PrivateKey) Export() (N []byte, e int, d, P, Q, dP, dQ, qInv []byte) { N = priv.pub.N.Nat().Bytes(priv.pub.N) e = priv.pub.E d = priv.d.Bytes(priv.pub.N) if priv.dP == nil { return } P = priv.p.Nat().Bytes(priv.p) Q = priv.q.Nat().Bytes(priv.q) dP = bytes.Clone(priv.dP) dQ = bytes.Clone(priv.dQ) qInv = priv.qInv.Bytes(priv.p) return } //...