增加了简单的加密解密算法

KWBook.vcxproj

@@ -144,13 +144,15 @@
     <ClCompile Include="menu.cpp" />
     <ClCompile Include="passwd_op.cpp" />
     <ClCompile Include="permissionCheck.cpp" />
+    <ClCompile Include="secData.cpp" />
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="globalVals.h" />
     <ClInclude Include="initializer.h" />
     <ClInclude Include="menu.h" />
     <ClInclude Include="passwd_op.h" />
     <ClInclude Include="permissionCheck.h" />
+    <ClInclude Include="secData.h" />
   </ItemGroup>
   <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
   <ImportGroup Label="ExtensionTargets">

KWBook.vcxproj.filters

@@ -30,6 +30,9 @@
     <ClCompile Include="permissionCheck.cpp">
       <Filter>源文件</Filter>
     </ClCompile>
+    <ClCompile Include="secData.cpp">
+      <Filter>源文件</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="menu.h">
@@ -47,5 +50,8 @@
     <ClInclude Include="permissionCheck.h">
       <Filter>头文件</Filter>
     </ClInclude>
+    <ClInclude Include="secData.h">
+      <Filter>头文件</Filter>
+    </ClInclude>
   </ItemGroup>
 </Project>

MyKeyBook.txt

@@ -1,6 +1,2 @@
-1	www.coolapk.com	coolapk	123456
-2	www.wechat.com	13207178976	123456
-3	www.qq.com	964302865	123456
-4	www.aliyun.com	aliyun	123456
-5	www.taobao.com	taobao	123456
-6	www.163.com	163613	123456
+1	www.coolapk.com	coolapk	032547
+2	www.wechat.com	wechat	032547

passwd_op.cpp

@@ -5,6 +5,7 @@
 #include <string.h>
 #include <memory.h>
 #include <conio.h>
+#include "secData.h"
 
 int g_Count = 0;
 USERINFO myinfo = { 0 };
@@ -85,6 +86,9 @@ void addPasswd() {
 	}
 	myinfo.passWord[index] = '\0';
 
+	//加密数据
+	encryptData(myinfo.passWord);
+
 	// 写入数据
 	if (fprintf(fp, "%d\t%s\t%s\t%s\n", myinfo.ID, myinfo.webSite, myinfo.userName, myinfo.passWord)) {
 		printf("\n写入成功！\n");
@@ -150,6 +154,9 @@ void changePasswd() {
 
 	strcpy_s((pMyInfo + num - 1)->passWord, 20, arr);
 	for (int i = 0; i < g_Count; i++) {
+		// 加密密码
+		encryptData((pMyInfo + i)->passWord);
+
 		fprintf(fp, "%d\t%s\t%s\t%s\n", (pMyInfo + i)->ID, (pMyInfo + i)->webSite, (pMyInfo + i)->userName, (pMyInfo + i)->passWord);
 	}
 	printf("修改成功！\n");
@@ -179,9 +186,10 @@ void queryPasswd() {
 	PUSERINFO pMyInfo = (PUSERINFO)malloc(g_Count * sizeof(USERINFO));
 	for (int i = 0; i < g_Count; i++) {
 		fscanf_s(fp, "%d\t%s\t%s\t%s\n", &(pMyInfo + i)->ID, (pMyInfo + i)->webSite, 20, (pMyInfo + i)->userName, 20, (pMyInfo + i)->passWord, 20);
+		decryptData((pMyInfo + i)->passWord);
 	}
 	// 判断用户输入数字的界限
-	if (num > 0 && num < g_Count) {
+	if (num > 0 && num <= g_Count) {
 		printf("%d\t%s\t%s\t%s\n", (pMyInfo + num - 1)->ID, (pMyInfo + num - 1)->webSite, (pMyInfo + num - 1)->userName, (pMyInfo + num - 1)->passWord);
 	}
 	else {
@@ -209,6 +217,7 @@ void removePasswd() {
 	PUSERINFO pMyInfo = (PUSERINFO)malloc(g_Count * sizeof(USERINFO));
 	for (int i = 0; i < g_Count; i++) {
 		fscanf_s(fp, "%d\t%s\t%s\t%s\n", &(pMyInfo + i)->ID, (pMyInfo + i)->webSite, 20, (pMyInfo + i)->userName, 20, (pMyInfo + i)->passWord, 20);
+		decryptData((pMyInfo + i)->passWord);
 	}
 	fclose(fp);
 

secData.cpp

@@ -0,0 +1,29 @@
+#include "secData.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+/*
+	加密
+	@param char*  传入一个字符串
+*/
+void encryptData(char* str) {
+	int index = 0;
+	while (*(str + index) != '\0') {
+		*(str + index) |= -0x80;
+		*(str + index) ^= 0x1;
+		index++;
+	}
+}
+
+/*
+	解密
+	@param char*  传入一个字符串
+*/
+void decryptData(char* str) {
+	int index = 0;
+	while (*(str + index) != '\0') {
+		*(str + index) ^= 0x1;
+		*(str + index) ^= 0x80;
+		index++;
+	}
+}

secData.h

@@ -0,0 +1,3 @@
+#pragma once
+void encryptData(char* str);
+void decryptData(char* str);