From ecd5a7b430240b8a09523c040fd3e8544bd35b71 Mon Sep 17 00:00:00 2001
From: Mrs4s <1844812067@qq.com>
Date: Tue, 26 Jan 2021 03:40:55 +0800
Subject: [PATCH] Revert "SpeedUP Rand"

---
 .github/workflows/go.yml       | 22 +++++++-------
 README.md                      |  4 +--
 binary/tea.go                  |  4 +--
 binary/tea_test.go             | 52 ----------------------------------
 client/builders.go             |  7 ++---
 client/client.go               | 10 +++----
 client/global.go               |  9 +++---
 client/group_msg.go            |  6 ++--
 client/pb/oidb/oidb0xb77.proto |  2 +-
 client/richmsg.go              |  2 +-
 go.mod                         |  1 -
 go.sum                         |  2 --
 protocol/tlv/t1.go             |  2 +-
 protocol/tlv/t106.go           |  2 +-
 14 files changed, 34 insertions(+), 91 deletions(-)

diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index a51b4496..c7b0db0f 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -13,20 +13,20 @@ jobs:
     runs-on: ubuntu-latest
     steps:
 
-      - name: Set up Go 1.x
-        uses: actions/setup-go@v2
-        with:
-          go-version: ^1.13
+    - name: Set up Go 1.x
+      uses: actions/setup-go@v2
+      with:
+        go-version: ^1.13
 
-      - name: Check out code into the Go module directory
-        uses: actions/checkout@v2
+    - name: Check out code into the Go module directory
+      uses: actions/checkout@v2
 
-      - name: Get dependencies
-        run: |
-          go get -v -t -d ./...
+    - name: Get dependencies
+      run: |
+        go get -v -t -d ./...
 
-      - name: Build
-        run: go build -v ./...
+    - name: Build
+      run: go build -v ./...
 
 #     - name: Test
 #       run: go test -v .
diff --git a/README.md b/README.md
index 1e21e992..f87f4b14 100644
--- a/README.md
+++ b/README.md
@@ -36,7 +36,7 @@ qq-android协议的golang实现 移植于mirai
 - [x] 登录号加群
 - [x] 登录号退群(包含T出)
 - [x] 新成员进群/退群
-- [x] 群/好友消息撤回
+- [x] 群/好友消息撤回 
 - [x] 群禁言
 - [x] 群成员权限变更
 - [x] 收到邀请进群通知
@@ -44,7 +44,7 @@ qq-android协议的golang实现 移植于mirai
 - [x] 新好友
 - [x] 新好友请求
 - [x] 客户端离线
-- [x] 群提示 (戳一戳/运气王等)
+- [x] 群提示 (戳一戳/运气王等) 
 
 #### 主动操作
 > 为防止滥用，将不支持主动邀请新成员进群
diff --git a/binary/tea.go b/binary/tea.go
index 70b7cfaa..005f4ca1 100644
--- a/binary/tea.go
+++ b/binary/tea.go
@@ -2,11 +2,9 @@ package binary
 
 import (
 	"encoding/binary"
-	//"math/rand"
+	"math/rand"
 	"reflect"
 	"unsafe"
-
-	rand "github.com/LXY1226/fastrand"
 )
 
 func xorQ(a, b []byte, c []byte) { // MAGIC
diff --git a/binary/tea_test.go b/binary/tea_test.go
index 3f7b8a99..8bf4a07b 100644
--- a/binary/tea_test.go
+++ b/binary/tea_test.go
@@ -99,58 +99,6 @@ func BenchmarkTEAde16(b *testing.B) {
 	}
 }
 
-func BenchmarkTEAen200(b *testing.B) {
-	data := make([]byte, 200)
-	_, err := rand.Read(data)
-	if err != nil {
-		panic(err)
-	}
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		testTEA.Encrypt(data)
-	}
-}
-
-func BenchmarkTEAde200(b *testing.B) {
-	data := make([]byte, 200)
-	_, err := rand.Read(data)
-	if err != nil {
-		panic(err)
-	}
-	data = testTEA.Encrypt(data)
-	b.ResetTimer()
-	for i := 0; i < b.N; i++ {
-		testTEA.Decrypt(data)
-	}
-}
-
-func BenchmarkTEAen200M(b *testing.B) {
-	b.RunParallel(func(pb *testing.PB) {
-		data := make([]byte, 200)
-		_, err := rand.Read(data)
-		if err != nil {
-			panic(err)
-		}
-		for pb.Next() {
-			testTEA.Encrypt(data)
-		}
-	})
-}
-
-func BenchmarkTEAde200M(b *testing.B) {
-	b.RunParallel(func(pb *testing.PB) {
-		data := make([]byte, 200)
-		_, err := rand.Read(data)
-		if err != nil {
-			panic(err)
-		}
-		data = testTEA.Encrypt(data)
-		for pb.Next() {
-			testTEA.Decrypt(data)
-		}
-	})
-}
-
 func BenchmarkTEAen256(b *testing.B) {
 	data := make([]byte, 256)
 	_, err := rand.Read(data)
diff --git a/client/builders.go b/client/builders.go
index c7173ab5..e6c8bd15 100644
--- a/client/builders.go
+++ b/client/builders.go
@@ -3,10 +3,11 @@ package client
 import (
 	"encoding/hex"
 	"fmt"
+	"github.com/Mrs4s/MiraiGo/client/pb/profilecard"
+	"github.com/Mrs4s/MiraiGo/client/pb/qweb"
+	"math/rand"
 	"time"
 
-	rand "github.com/LXY1226/fastrand"
-
 	"github.com/golang/protobuf/proto"
 
 	"github.com/Mrs4s/MiraiGo/binary"
@@ -15,8 +16,6 @@ import (
 	"github.com/Mrs4s/MiraiGo/client/pb/cmd0x352"
 	"github.com/Mrs4s/MiraiGo/client/pb/msg"
 	"github.com/Mrs4s/MiraiGo/client/pb/oidb"
-	"github.com/Mrs4s/MiraiGo/client/pb/profilecard"
-	"github.com/Mrs4s/MiraiGo/client/pb/qweb"
 	"github.com/Mrs4s/MiraiGo/client/pb/structmsg"
 	"github.com/Mrs4s/MiraiGo/message"
 	"github.com/Mrs4s/MiraiGo/protocol/crypto"
diff --git a/client/client.go b/client/client.go
index e239ef5e..b91fab45 100644
--- a/client/client.go
+++ b/client/client.go
@@ -4,11 +4,11 @@ import (
 	"bytes"
 	"crypto/md5"
 	"fmt"
-	rand "github.com/LXY1226/fastrand"
 	"github.com/Mrs4s/MiraiGo/binary/jce"
 	jsoniter "github.com/json-iterator/go"
 	"io"
 	"math"
+	"math/rand"
 	"net"
 	"runtime/debug"
 	"sort"
@@ -149,9 +149,9 @@ var decoders = map[string]func(*QQClient, uint16, []byte) (interface{}, error){
 	"PttCenterSvr.pb_pttCenter_CMD_REQ_APPLY_UPLOAD-500": decodePrivatePttStoreResponse,
 }
 
-//func init() {
-//	rand.Seed(time.Now().UTC().UnixNano())
-//}
+func init() {
+	rand.Seed(time.Now().UTC().UnixNano())
+}
 
 // NewClient create new qq client
 func NewClient(uin int64, password string) *QQClient {
@@ -167,7 +167,7 @@ func NewClientMd5(uin int64, passwordMd5 [16]byte) *QQClient {
 		OutGoingPacketSessionId: []byte{0x02, 0xB0, 0x5B, 0x8B},
 		sigInfo:                 &loginSigInfo{},
 		requestPacketRequestId:  1921334513,
-		groupSeq:                rand.Int31n(20000),
+		groupSeq:                int32(rand.Intn(20000)),
 		friendSeq:               22911,
 		highwayApplyUpSeq:       77918,
 		ksid:                    []byte(fmt.Sprintf("|%s|A8.2.7.27f6ea96", SystemDeviceInfo.IMEI)),
diff --git a/client/global.go b/client/global.go
index 81fef894..5f96c49e 100644
--- a/client/global.go
+++ b/client/global.go
@@ -6,13 +6,14 @@ import (
 	"encoding/hex"
 	"encoding/xml"
 	"fmt"
+	"github.com/Mrs4s/MiraiGo/client/pb/oidb"
+	"math/rand"
 	"net"
 	"sort"
 	"strconv"
 	"strings"
 	"time"
 
-	rand "github.com/LXY1226/fastrand"
 	"github.com/Mrs4s/MiraiGo/binary"
 	"github.com/Mrs4s/MiraiGo/binary/jce"
 	devinfo "github.com/Mrs4s/MiraiGo/client/pb"
@@ -367,11 +368,11 @@ func GenIMEI() string {
 	sum := 0 // the control sum of digits
 	var final strings.Builder
 
-	//randSrc := rand.NewSource(time.Now().UnixNano())
-	//randGen := rand.New(randSrc)
+	randSrc := rand.NewSource(time.Now().UnixNano())
+	randGen := rand.New(randSrc)
 
 	for i := 0; i < 14; i++ { // generating all the base digits
-		toAdd := rand.Intn(10)
+		toAdd := randGen.Intn(10)
 		if (i+1)%2 == 0 { // special proc for every 2nd one
 			toAdd *= 2
 			if toAdd >= 10 {
diff --git a/client/group_msg.go b/client/group_msg.go
index 82e99601..e55c4403 100644
--- a/client/group_msg.go
+++ b/client/group_msg.go
@@ -3,7 +3,6 @@ package client
 import (
 	"encoding/base64"
 	"fmt"
-	rand "github.com/LXY1226/fastrand"
 	"github.com/Mrs4s/MiraiGo/client/pb/longmsg"
 	"github.com/Mrs4s/MiraiGo/client/pb/msg"
 	"github.com/Mrs4s/MiraiGo/client/pb/multimsg"
@@ -14,6 +13,7 @@ import (
 	"github.com/pkg/errors"
 	"google.golang.org/protobuf/proto"
 	"math"
+	"math/rand"
 	"time"
 )
 
@@ -93,7 +93,7 @@ func (c *QQClient) GetAtAllRemain(groupCode int64) (*AtAllRemainInfo, error) {
 
 func (c *QQClient) sendGroupMessage(groupCode int64, forward bool, m *message.SendingMessage) *message.GroupMessage {
 	eid := utils.RandomString(6)
-	mr := rand.Int31()
+	mr := int32(rand.Uint32())
 	ch := make(chan int32)
 	c.onGroupMessageReceipt(eid, func(c *QQClient, e *groupMessageReceiptEvent) {
 		if e.Rand == mr && !utils.IsChanClosed(ch) {
@@ -113,7 +113,7 @@ func (c *QQClient) sendGroupMessage(groupCode int64, forward bool, m *message.Se
 		}
 		return ok || ok2 || ok3
 	}) {
-		div := rand.Int31()
+		div := int32(rand.Uint32())
 		fragmented := m.ToFragmented()
 		for i, elems := range fragmented {
 			_, pkt := c.buildGroupSendingPacket(groupCode, mr, int32(len(fragmented)), int32(i), div, forward, elems)
diff --git a/client/pb/oidb/oidb0xb77.proto b/client/pb/oidb/oidb0xb77.proto
index 8ea654d3..240a8422 100644
--- a/client/pb/oidb/oidb0xb77.proto
+++ b/client/pb/oidb/oidb0xb77.proto
@@ -34,7 +34,7 @@ message DB77ExtInfo {
 
 message DB77RichMsgBody {
   string title = 10;
-  string summary = 11;
+  string summary  = 11;
   string brief = 12;
   string url = 13;
   string pictureUrl = 14;
diff --git a/client/richmsg.go b/client/richmsg.go
index 6683dc73..29665dac 100644
--- a/client/richmsg.go
+++ b/client/richmsg.go
@@ -1,9 +1,9 @@
 package client
 
 import (
+	"math/rand"
 	"time"
 
-	rand "github.com/LXY1226/fastrand"
 	"github.com/Mrs4s/MiraiGo/client/pb/oidb"
 	"github.com/Mrs4s/MiraiGo/message"
 	"github.com/Mrs4s/MiraiGo/protocol/packets"
diff --git a/go.mod b/go.mod
index c02e66ab..54a080cb 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,6 @@ module github.com/Mrs4s/MiraiGo
 go 1.15
 
 require (
-	github.com/LXY1226/fastrand v0.0.0-20210121160840-7a3db3e79031
 	github.com/golang/protobuf v1.4.3
 	github.com/json-iterator/go v1.1.10
 	github.com/pkg/errors v0.9.1
diff --git a/go.sum b/go.sum
index 34336636..0f710ceb 100644
--- a/go.sum
+++ b/go.sum
@@ -1,7 +1,5 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
-github.com/LXY1226/fastrand v0.0.0-20210121160840-7a3db3e79031 h1:DnoCySrXUFvtngW2kSkuBeZoPfvOgctJXjTulCn7eV0=
-github.com/LXY1226/fastrand v0.0.0-20210121160840-7a3db3e79031/go.mod h1:mEFi4jHUsE2sqQGSJ7eQfXnO8esMzEYcftiCGG+L/OE=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDkc90ppPyw=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
diff --git a/protocol/tlv/t1.go b/protocol/tlv/t1.go
index 4af317b7..3e8875d2 100644
--- a/protocol/tlv/t1.go
+++ b/protocol/tlv/t1.go
@@ -1,8 +1,8 @@
 package tlv
 
 import (
-	rand "github.com/LXY1226/fastrand"
 	"github.com/Mrs4s/MiraiGo/binary"
+	"math/rand"
 	"time"
 )
 
diff --git a/protocol/tlv/t106.go b/protocol/tlv/t106.go
index 2383d316..699f166b 100644
--- a/protocol/tlv/t106.go
+++ b/protocol/tlv/t106.go
@@ -3,8 +3,8 @@ package tlv
 import (
 	"crypto/md5"
 	binary2 "encoding/binary"
-	rand "github.com/LXY1226/fastrand"
 	"github.com/Mrs4s/MiraiGo/binary"
+	"math/rand"
 	"strconv"
 	"time"
 )