// GoGOST -- Pure Go GOST cryptographic functions library
-// Copyright (C) 2015-2020 Sergey Matveev <stargrave@stargrave.org>
+// Copyright (C) 2015-2021 Sergey Matveev <stargrave@stargrave.org>
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
if k.Cmp(zero) == 0 {
return nil, errors.New("gogost/gost3410: zero private key")
}
- return &PrivateKey{curve, k}, nil
+ return &PrivateKey{curve, k.Mod(k, curve.Q)}, nil
}
func GenPrivateKey(curve *Curve, rand io.Reader) (*PrivateKey, error) {