获取设备mac地址和md5加密

SGMSettingConfig.h

#import <Foundation/Foundation.h>

@interface SGMSettingConfig : NSObject{

NSInteger HTTP_PACKAGE_SIZE;

NSInteger HTTP_RETRY_TIMES;

NSInteger REPLY_LENGTH;

NSInteger MAX_AUDIO_TIME;

NSInteger MAX_RESULT_AMOUNT;

BOOL USE_DENOISE_AGC;

NSInteger API_VERSION;

}

@property(nonatomic) NSInteger HTTP_PACKAGE_SIZE;

@property(nonatomic) NSInteger HTTP_RETRY_TIMES;

@property(nonatomic) NSInteger REPLY_LENGTH;

@property(nonatomic) NSInteger MAX_AUDIO_TIME;

@property(nonatomic) NSInteger MAX_RESULT_AMOUNT;

@property(nonatomic) BOOL USE_DENOISE_AGC;

@property(nonatomic) NSInteger API_VERSION;

//获取设备MAC地址

-(NSString *)macAddress;

//给定信息进行MD5

-(NSString *)getMD5:(NSString *)paramStr;

//给设备MAC地址进行MD5加密

-(NSString *)macMD5;

@end

SGMSettingConfig.m

#import "SGMSettingConfig.h"

#import <CommonCrypto/CommonDigest.h>

#include <sys/socket.h>

#include <sys/sysctl.h>

#include <net/if.h>

#include <net/if_dl.h>

@implementation SGMSettingConfig

@synthesize HTTP_PACKAGE_SIZE;

@synthesize HTTP_RETRY_TIMES;

@synthesize REPLY_LENGTH;

@synthesize MAX_AUDIO_TIME;

@synthesize MAX_RESULT_AMOUNT;

@synthesize USE_DENOISE_AGC;

@synthesize API_VERSION;

-(id)init{

if(self = [super init]){

HTTP_PACKAGE_SIZE = 3000;

HTTP_RETRY_TIMES = 2;

REPLY_LENGTH = 2600;

MAX_AUDIO_TIME = 30;

MAX_RESULT_AMOUNT = 5;

USE_DENOISE_AGC = false;

API_VERSION = 1000;

}

returnself;

}

//获取设备MAC地址

-(NSString *)macAddress{

//Get MAC Address as unique identifier

int mib[6];

size_t len;

char *buf;

unsignedchar *ptr;

struct if_msghdr *ifm;

struct sockaddr_dl *sdl;

mib[0] = CTL_NET;

mib[1] = AF_ROUTE;

mib[2] = 0;

mib[3] = AF_LINK;

mib[4] = NET_RT_IFLIST;

if((mib[5] = if_nametoindex("en0")) == 0)

returnnil;  //Error:if_nametoindex error

if(sysctl(mib, 6, NULL, &len, NULL, 0) < 0)

returnnil;  //Error:sysctl, take 1

if((buf = malloc(len)) == NULL)

returnnil;  //Could not allocate memory. error!

if(sysctl(mib, 6, buf, &len, NULL, 0) < 0){

free(buf);

returnnil;  //Error:sysctl, take 2

}

ifm = (struct if_msghdr *)buf;

sdl = (struct sockaddr_dl *)(ifm + 1);

ptr = (unsigned char *)LLADDR(sdl);

NSString *outString = [NSString stringWithFormat:@"%02X:%02X:%02X:%02X:%02X:%02X", *ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3), *(ptr + 4), *(ptr + 5)];

free(buf);

return [outString uppercaseString];

}

//给定信息进行MD5

-(NSString *)getMD5:(NSString *)paramStr{

const char *cStr = [paramStr UTF8String];

unsigned char result[16];

CC_MD5(cStr, strlen(cStr), result);

/*

//获取全部加密MD5值

NSString *md5Str = [NSString stringWithFormat:@"%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",result[0],result[1],result[2],result[3],result[4],result[5],result[6],result[7],result[8],result[9],result[10],result[11],result[12],result[13],result[14],result[15]];

return [md5Str substringFromIndex:12];//从第12个元素开始取值，取后4个值(12-15)

*/

NSString *md5Str = [NSString stringWithFormat:@"%02X%02X%02X%02X",result[12],result[13],result[14],result[15]];

return md5Str;

}

//给设备MAC地址进行MD5加密

-(NSString *)macMD5{

NSString *paramStr = [self macAddress];

return [self getMD5:paramStr];

}

- (void)dealloc

{

[super dealloc];

}

@end