From 9b606fd1ca1633c1ff3cd9f6bac5568bbe6b1ee8 Mon Sep 17 00:00:00 2001
From: Steven Allen <steven@stebalien.com>
Date: Thu, 23 May 2019 22:55:28 -0700
Subject: [PATCH] dep: use a faster sha256 library

This is the one we're using in secio/multihash.
---
 go.mod          | 1 +
 keyspace/xor.go | 2 +-
 util.go         | 2 +-
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/go.mod b/go.mod
index 0a4e7f3..b01fabe 100644
--- a/go.mod
+++ b/go.mod
@@ -6,4 +6,5 @@ require (
 	github.com/libp2p/go-libp2p-peer v0.0.1
 	github.com/libp2p/go-libp2p-peerstore v0.0.1
 	github.com/libp2p/go-testutil v0.0.1
+	github.com/minio/sha256-simd v0.0.0-20190131020904-2d45a736cd16
 )
diff --git a/keyspace/xor.go b/keyspace/xor.go
index ee6c65c..6750b0b 100644
--- a/keyspace/xor.go
+++ b/keyspace/xor.go
@@ -2,11 +2,11 @@ package keyspace
 
 import (
 	"bytes"
-	"crypto/sha256"
 	"math/big"
 	"math/bits"
 
 	u "github.com/ipfs/go-ipfs-util"
+	sha256 "github.com/minio/sha256-simd"
 )
 
 // XORKeySpace is a KeySpace which:
diff --git a/util.go b/util.go
index 058aa3c..4990c08 100644
--- a/util.go
+++ b/util.go
@@ -2,12 +2,12 @@ package kbucket
 
 import (
 	"bytes"
-	"crypto/sha256"
 	"errors"
 
 	u "github.com/ipfs/go-ipfs-util"
 	ks "github.com/libp2p/go-libp2p-kbucket/keyspace"
 	peer "github.com/libp2p/go-libp2p-peer"
+	sha256 "github.com/minio/sha256-simd"
 )
 
 // Returned if a routing table query returns no results. This is NOT expected