Archiving of IOS data (nskeyedarchiver) and data file (nskeyedunarchiver) encryption for increased security
Last Update:2016-03-21
Source: Internet
Author: User
<span id="Label3"></p><pre><span style="color: #008080;"><span style="color: #008080;">1</span></span> <span style="color: #0000ff;"><span style="color: #0000ff;">#import</span></span><UIKit/UIKit.h><span style="color: #008080;"><span style="color: #008080;">2</span></span> <span style="color: #008080;"><span style="color: #008080;">3</span></span> <span style="color: #0000ff;"><span style="color: #0000ff;">@interface</span></span><span style="color: #000000;"><span style="color: #000000;">Viewcontroller:uiviewcontroller</span></span><span style="color: #008080;"><span style="color: #008080;">4</span></span> <span style="color: #008000;"><span style="color: #008000;">/*</span></span><span style="color: #008000;"><span style="color: #008000;">*</span></span><span style="color: #008080;"><span style="color: #008080;">5</span></span> <span style="color: #008000;"><span style="color: #008000;">* Create a button for archiving and unlocking files</span></span><span style="color: #008080;"><span style="color: #008080;">6</span></span> <span style="color: #008000;"><span style="color: #008000;">*/</span></span><span style="color: #008080;"><span style="color: #008080;">7</span></span>@property (strong,nonatomic) UIButton *<span style="color: #000000;"><span style="color: #000000;">btnachiver;</span></span><span style="color: #008080;"><span style="color: #008080;">8</span></span>@property (strong,nonatomic) UIButton *<span style="color: #000000;"><span style="color: #000000;">btnunachiver;</span></span><span style="color: #008080;"><span style="color: #008080;">9</span></span> <span style="color: #008080;"><span style="color: #008080;">Ten</span></span> <span style="color: #008080;"><span style="color: #008080;"></span> one</span> <span style="color: #0000ff;"><span style="color: #0000ff;">#import</span></span> <span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #800000;"><span style="color: #800000;">ViewController.h</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #008080;"><span style="color: #008080;"></span> a</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">macro Definition root directory</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span> <span style="color: #0000ff;"><span style="color: #0000ff;">#define</span></span>PATH [nshomedirectory () stringbyappendingpathcomponent:@ "test.add"]<span style="color: #008080;"><span style="color: #008080;"></span> -</span> <span style="color: #0000ff;"><span style="color: #0000ff;">@interface</span></span><span style="color: #000000;"><span style="color: #000000;">Viewcontroller ()</span></span><span style="color: #008080;"><span style="color: #008080;"></span> the</span> <span style="color: #008080;"><span style="color: #008080;"></span> -</span> <span style="color: #0000ff;"><span style="color: #0000ff;">@end</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span> <span style="color: #008080;"><span style="color: #008080;"></span> -</span> <span style="color: #0000ff;"><span style="color: #0000ff;">@implementation</span></span><span style="color: #000000;"><span style="color: #000000;">Viewcontroller</span></span><span style="color: #008080;"><span style="color: #008080;"></span> +</span> <span style="color: #008080;"><span style="color: #008080;"></span> -</span>- (<span style="color: #0000ff;"><span style="color: #0000ff;">void</span></span><span style="color: #000000;"><span style="color: #000000;">) Viewdidload</span></span><span style="color: #008080;"><span style="color: #008080;"></span> +</span> <span style="color: #000000;"><span style="color: #000000;">{</span></span><span style="color: #008080;"><span style="color: #008080;"></span> a</span> <span style="color: #000000;"><span style="color: #000000;">[super viewdidload];</span></span><span style="color: #008080;"><span style="color: #008080;"></span> at</span>NSLog (<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">%@</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #000000;"><span style="color: #000000;">, PATH);</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Create an archived button</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span>Self.btnachiver=[[uibutton alloc] Initwithframe:cgrectmake (<span style="color: #800080;"><span style="color: #800080;"></span> -</span>,<span style="color: #800080;"><span style="color: #800080;"></span> -</span>,<span style="color: #800080;"><span style="color: #800080;"></span> $</span>,<span style="color: #800080;"><span style="color: #800080;"></span> -</span><span style="color: #000000;"><span style="color: #000000;">)];</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">add a background color to a button</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span>Self.btnachiver.backgroundcolor=<span style="color: #000000;"><span style="color: #000000;">[uicolor redcolor];</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Add a caption to a button</span></span><span style="color: #008080;"><span style="color: #008080;"></span> in</span>[self.btnachiver settitle:<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Data Archiving</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #000000;"><span style="color: #000000;">forstate:uicontrolstatenormal];</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Button Trigger Event</span></span><span style="color: #008080;"><span style="color: #008080;"></span> to</span> <span style="color: #000000;"><span style="color: #000000;">[self.btnachiver addtarget:self action: @selector (dataarchiver) forcontrolevents:uicontroleventtouchupinside];</span></span><span style="color: #008080;"><span style="color: #008080;"></span> +</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Add a button to the parent view</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span> <span style="color: #000000;"><span style="color: #000000;">[self.view addSubview:self.btnAchiver];</span></span><span style="color: #008080;"><span style="color: #008080;"></span> the</span> <span style="color: #008080;"><span style="color: #008080;"></span> *</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Create a Profile button</span></span><span style="color: #008080;"><span style="color: #008080;"></span> $</span>Self.btnunachiver=[[uibutton alloc] Initwithframe:cgrectmake (<span style="color: #800080;"><span style="color: #800080;"></span> -</span>,<span style="color: #800080;"><span style="color: #800080;"></span> $</span>,<span style="color: #800080;"><span style="color: #800080;"></span> $</span>,<span style="color: #800080;"><span style="color: #800080;"></span> -</span><span style="color: #000000;"><span style="color: #000000;">)];</span></span><span style="color: #008080;"><span style="color: #008080;">Panax Notoginseng</span></span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">add a background color to a button</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span>Self.btnunachiver.backgroundcolor=<span style="color: #000000;"><span style="color: #000000;">[uicolor redcolor];</span></span><span style="color: #008080;"><span style="color: #008080;"></span> the</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Add a caption to a button</span></span><span style="color: #008080;"><span style="color: #008080;"></span> +</span>[self.btnunachiver settitle:<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Data File</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #000000;"><span style="color: #000000;">forstate:uicontrolstatenormal];</span></span><span style="color: #008080;"><span style="color: #008080;"></span> a</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Button Trigger Event</span></span><span style="color: #008080;"><span style="color: #008080;"></span> the</span> <span style="color: #000000;"><span style="color: #000000;">[self.btnunachiver addtarget:self action: @selector (dataunarchiver) forcontrolevents: uicontroleventtouchupinside];</span></span><span style="color: #008080;"><span style="color: #008080;"></span> +</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Add a button to the parent view</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span> <span style="color: #000000;"><span style="color: #000000;">[self.view addSubview:self.btnUnAchiver];</span></span><span style="color: #008080;"><span style="color: #008080;"></span> $</span> <span style="color: #008080;"><span style="color: #008080;"></span> $</span> <span style="color: #000000;"><span style="color: #000000;">}</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Event Archiving</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span>-(<span style="color: #0000ff;"><span style="color: #0000ff;">void</span></span><span style="color: #000000;"><span style="color: #000000;">) Dataarchiver</span></span><span style="color: #008080;"><span style="color: #008080;"></span> the</span> <span style="color: #000000;"><span style="color: #000000;">{</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Create an archived collection</span></span><span style="color: #008080;"><span style="color: #008080;">Wuyi</span></span>Nsarray *[email protected][<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">YJ</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">LM</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span>,<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">TT</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #000000;"><span style="color: #000000;">];</span></span><span style="color: #008080;"><span style="color: #008080;"></span> the</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Create an archived string</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span>NSString *str=<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Guiyangxueyuan</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #000000;"><span style="color: #000000;">;</span></span><span style="color: #008080;"><span style="color: #008080;"></span> wu</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">collections and strings are to be archived</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span>BOOL bol=<span style="color: #000000;"><span style="color: #000000;">YES;</span></span><span style="color: #008080;"><span style="color: #008080;"></span> about</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Initializing variable data</span></span><span style="color: #008080;"><span style="color: #008080;"></span> $</span>Nsmutabledata *data=<span style="color: #000000;"><span style="color: #000000;">[nsmutabledata data];</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Initializing an archive</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span>Nskeyedarchiver *archiver=<span style="color: #000000;"><span style="color: #000000;">[[nskeyedarchiver alloc] initforwritingwithmutabledata:data];</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Archive the collection</span></span><span style="color: #008080;"><span style="color: #008080;"></span> a</span>[archiver Encodeobject:arr forkey:<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">arr</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #000000;"><span style="color: #000000;">];</span></span><span style="color: #008080;"><span style="color: #008080;"></span> +</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">to archive a string</span></span><span style="color: #008080;"><span style="color: #008080;"></span> the</span>[archiver Encodeobject:str forkey:<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Str</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #000000;"><span style="color: #000000;">];</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">is to archive</span></span><span style="color: #008080;"><span style="color: #008080;"></span> $</span>[archiver Encodebool:bol forkey:<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Bol</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #000000;"><span style="color: #000000;">];</span></span><span style="color: #008080;"><span style="color: #008080;"></span> the</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Complete Archiving</span></span><span style="color: #008080;"><span style="color: #008080;"></span> the</span> <span style="color: #000000;"><span style="color: #000000;">[archiver finishencoding];</span></span><span style="color: #008080;"><span style="color: #008080;"></span> the</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Archive data to the path directory</span></span><span style="color: #008080;"><span style="color: #008080;"></span> the</span>BOOL bol2=<span style="color: #000000;"><span style="color: #000000;">[data Writetofile:path atomically:yes];</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span>NSLog (<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">%d</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #000000;"><span style="color: #000000;">, bol2);</span></span><span style="color: #008080;"><span style="color: #008080;"></span> in</span> <span style="color: #008080;"><span style="color: #008080;"></span> the</span> <span style="color: #000000;"><span style="color: #000000;">}</span></span><span style="color: #008080;"><span style="color: #008080;"></span> the</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Event Solution file</span></span><span style="color: #008080;"><span style="color: #008080;"></span> about</span>-(<span style="color: #0000ff;"><span style="color: #0000ff;">void</span></span><span style="color: #000000;"><span style="color: #000000;">) Dataunarchiver</span></span><span style="color: #008080;"><span style="color: #008080;"></span> the</span> <span style="color: #000000;"><span style="color: #000000;">{</span></span><span style="color: #008080;"><span style="color: #008080;"></span> the</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">the solution data exists in the path directory</span></span><span style="color: #008080;"><span style="color: #008080;"></span> the</span>NSData *data=<span style="color: #000000;"><span style="color: #000000;">[nsdata datawithcontentsoffile:path];</span></span><span style="color: #008080;"><span style="color: #008080;"></span> +</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;">Put the <span style="color: #008000;">solution in the data</span> .</span><span style="color: #008080;"><span style="color: #008080;"></span> -</span>Nskeyedunarchiver *unarchiver=<span style="color: #000000;"><span style="color: #000000;">[[nskeyedunarchiver alloc] initforreadingwithdata:data];</span></span><span style="color: #008080;"><span style="color: #008080;"></span> the</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">Create a new collection of collections of data</span> from the archive</span><span style="color: #008080;"><span style="color: #008080;">Bayi</span></span>Nsarray *newarr=[unarchiver decodeobjectforkey:<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">arr</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #000000;"><span style="color: #000000;">];</span></span><span style="color: #008080;"><span style="color: #008080;"></span> the</span> <span style="color: #008000;"><span style="color: #008000;">//</span></span><span style="color: #008000;"><span style="color: #008000;">create a new string to store the data in the file string</span></span><span style="color: #008080;"><span style="color: #008080;"></span> the</span>NSString *newstr=[unarchiver decodeobjectforkey:<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">Str</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #000000;"><span style="color: #000000;">];</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span>NSLog (<span style="color: #800000;"><span style="color: #800000;">@"</span></span><span style="color: #800000;"><span style="color: #800000;">%@,%@</span></span><span style="color: #800000;"><span style="color: #800000;">"</span></span><span style="color: #000000;"><span style="color: #000000;">, newarr,newstr);</span></span><span style="color: #008080;"><span style="color: #008080;"></span> -</span> <span style="color: #008080;"><span style="color: #008080;"></span> the</span>}</pre><p><p></p></p><p><p> Archiving of IOS data (nskeyedarchiver) and data nskeyedunarchiver encryption increase security </p> </p></span>
