From 6bc93a00e253edf24ffbb610dedd20e0b4a2e5e0 Mon Sep 17 00:00:00 2001
From: Marten Seemann <martenseemann@gmail.com>
Date: Mon, 16 Apr 2018 10:11:38 +0900
Subject: [PATCH] simplify curve 25519 key generation

---
 internal/crypto/curve_25519.go | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/internal/crypto/curve_25519.go b/internal/crypto/curve_25519.go
index a570d6b31..fd25b00fc 100644
--- a/internal/crypto/curve_25519.go
+++ b/internal/crypto/curve_25519.go
@@ -21,10 +21,6 @@ func NewCurve25519KEX() (KeyExchange, error) {
 	if _, err := rand.Read(c.secret[:]); err != nil {
 		return nil, errors.New("Curve25519: could not create private key")
 	}
-	// See https://cr.yp.to/ecdh.html
-	c.secret[0] &= 248
-	c.secret[31] &= 127
-	c.secret[31] |= 64
 	curve25519.ScalarBaseMult(&c.public, &c.secret)
 	return c, nil
 }