ios MD5加密32位（区分大小写）

来源：互联网发布：如意时时彩源码编辑：程序博客网时间：2024/06/05 11:53

#import "NSString+change.h"  #import <CommonCrypto/CommonDigest.h>  @implementation NSString (change)  //小写- (NSString*)md532BitLower  {      const char *cStr = [self UTF8String];      unsigned char result[16];      NSNumber *num = [NSNumber numberWithUnsignedLong:strlen(cStr)];      CC_MD5( cStr,[num intValue], 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]               ] lowercaseString];  }  //大写- (NSString*)md532BitUpper  {      const char *cStr = [self UTF8String];      unsigned char result[16];      NSNumber *num = [NSNumber numberWithUnsignedLong:strlen(cStr)];      CC_MD5( cStr,[num intValue], 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]               ] uppercaseString];  }  @end

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