29 lines
622 B
Objective-C
29 lines
622 B
Objective-C
//
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// NSData+MD5.m
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// QiniuSDK
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//
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// Created by 杨森 on 2020/7/28.
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// Copyright © 2020 Qiniu. All rights reserved.
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//
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#import "NSData+QNMD5.h"
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#import <CommonCrypto/CommonDigest.h>
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@implementation NSData(QNMD5)
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- (NSString *)qn_md5{
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CC_MD5_CTX md5;
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CC_MD5_Init(&md5);
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CC_MD5_Update(&md5, self.bytes, (CC_LONG)self.length);
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unsigned char digest[CC_MD5_DIGEST_LENGTH];
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CC_MD5_Final(digest, &md5);
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NSMutableString *result = [NSMutableString string];
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for (int i = 0; i < CC_MD5_DIGEST_LENGTH; i++) {
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[result appendFormat:@"%02X", digest[i]];
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}
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return result;
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}
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@end
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