ios md5加密大小写

来源：互联网发布：视频矩阵的作用编辑：程序博客网时间：2024/06/06 21:15

法1;

#import "NSString+Extension.h"
#import <CommonCrypto/CommonDigest.h>

@implementation NSString (Encoding)

- (NSString*)md532BitLower

05{

06 const char *cStr = [self UTF8String];

07 unsigned char result[16];

08

09 NSNumber *num = [NSNumber numberWithUnsignedLong:strlen(cStr)];

10 CC_MD5( cStr,[num intValue], result );

11

12 return [[NSString stringWithFormat:

13 @"%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",

14 result[0], result[1], result[2], result[3],

15 result[4], result[5], result[6], result[7],

16 result[8], result[9], result[10], result[11],

17 result[12], result[13], result[14], result[15]

18 ] lowercaseString];

19}

20- (NSString*)md532BitUpper

21{

22 const char *cStr = [self UTF8String];

23 unsigned char result[16];

24

25 NSNumber *num = [NSNumber numberWithUnsignedLong:strlen(cStr)];

26 CC_MD5( cStr,[num intValue], result );

27

28 return [[NSString stringWithFormat:

29 @"%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",

30 result[0], result[1], result[2], result[3],

31 result[4], result[5], result[6], result[7],

32 result[8], result[9], result[10], result[11],

33 result[12], result[13], result[14], result[15]

34 ] uppercaseString];

35}

36@end

法2：

- (NSString *)minmd5{
    const char *cStr = [self UTF8String];
    unsigned char result[16];
    CC_MD5(cStr, (CC_LONG)strlen(cStr), result);
    return [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]];

}

x是小写，X是大写

参考链接：http://www.51itong.net/ios-md5-32-12759.html

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