//
//  NSString+MD5.m
//  GIGA
//
//  Created by lianxiang on 2018/8/23.
//  Copyright © 2018年 com.giga.ios. All rights reserved.
//

#import "NSString+MD5.h"
#import <CommonCrypto/CommonDigest.h>
@implementation NSString (MD5)
//MD5加密
- (NSString *)MD5{
    
        const char *ptr = [self UTF8String];
        
        unsigned char md5Buffer[CC_MD5_DIGEST_LENGTH];
        
        CC_MD5(ptr, (unsigned int)strlen(ptr), md5Buffer);
        
        NSMutableString *output = [NSMutableString stringWithCapacity:CC_MD5_DIGEST_LENGTH *2];
        for (int i = 0; i<CC_MD5_DIGEST_LENGTH; i++) {
            [output appendFormat:@"%02x",md5Buffer[i]];
        }
        
        return output;
    
}

@end