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NSString加密相关扩展
// // NSString+Encrypt.h // CloudShopping // // Created by sixiaobo on 14-7-9. // Copyright (c) 2014年 com.Uni2uni. All rights reserved. // #import <Foundation/Foundation.h> #import <CommonCrypto/CommonCrypto.h> #import <sys/sysctl.h> #import <sys/socket.h> #import <net/if.h> #import <net/if_dl.h> /*! * @brief NSString扩展加密相关方法 * @author huangyibiao */ @interface NSString (Encrypt) /*! * @brief 将字符串本身进行md5加密，并将加密后的字符串返回 * @return 返回加密后的字符串 */ - (NSString *)md5; //! sha1加密 - (NSString *)sha1; //! 获取网卡的MAC地址 + (NSString *)obtainMacAddress; @end
//
// NSString+Encrypt.m
// CloudShopping
//
// Created by sixiaobo on 14-7-9.
// Copyright (c) 2014年 com.Uni2uni. All rights reserved.
//
#import "NSString+Encrypt.h"
#import "NSString+Hashing.h"
@implementation NSString (Encrypt)
#pragma mark - md5加密
- (NSString *)md5 {
return self.MD5Hash;
}
#pragma mark - sha1加密方法
- (NSString *)sha1 {
const char *cstr = [self cStringUsingEncoding:NSUTF8StringEncoding];
NSData *data = [NSData dataWithBytes:cstr length:self.length];
uint8_t digest[CC_SHA1_DIGEST_LENGTH];
CC_SHA1(data.bytes, data.length, digest);
NSMutableString* output = [NSMutableString stringWithCapacity:CC_SHA1_DIGEST_LENGTH * 2];
for(int i = 0; i < CC_SHA1_DIGEST_LENGTH; i++) {
[output appendFormat:@"%02x", digest[i]];
}
return output;
}
#pragma mark - 获取MAC地址
+ (NSString *)obtainMacAddress {
int mib[6];
size_t len;
char *buf;
unsigned char *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) {
printf("Error: if_nametoindex error\n");
return NULL;
}
if (sysctl(mib, 6, NULL, &len, NULL, 0) < 0) {
printf("Error: sysctl, take 1\n");
return NULL;
}
if ((buf = malloc(len)) == NULL) {
printf("Could not allocate memory. error!\n");
return NULL;
}
if (sysctl(mib, 6, buf, &len, NULL, 0) > 0) {
free(buf);
printf("Error: sysctl, take 2");
return NULL;
}
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];
}
@end
最后更新：2017-04-03 05:39:42