From 60e8ece94ed1b895895bc1d7cce62409efc8cf27 Mon Sep 17 00:00:00 2001
From: Sergey Matveev <stargrave@stargrave.org>
Date: Wed, 7 Jan 2015 17:05:08 +0300
Subject: [PATCH] Remove unnecessary precomputations of DH private key

Signed-off-by: Sergey Matveev <stargrave@stargrave.org>
---
 handshake.go | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/handshake.go b/handshake.go
index 072a7bd..2d27e55 100644
--- a/handshake.go
+++ b/handshake.go
@@ -77,10 +77,6 @@ func dhPrivGen() *[32]byte {
 	if _, err := rand.Read(dh[:]); err != nil {
 		panic("Can not read random for DH private key")
 	}
-	// This bitwise operations are required by Curve25519 whitepaper
-	dh[0] = dh[0] & (255 - 128 - 64 - 32) // clear first three bits
-	dh[31] = dh[31] & (255 - 1)           // clear last bit
-	dh[31] = dh[31] | 2                   // set pre-last bit
 	return dh
 }
 
-- 
2.44.0