记录一下 用到的方法
头文件
#import <CommonCrypto/CommonDigest.h>
//32位大写
+ (NSString *)md532BitUpper:(NSString *)string{ const char *cStr = [string UTF8String]; unsigned char result[16]; NSNumber *num = [NSNumber numberWithUnsignedLong:strlen(cStr)]; CC_MD5( cStr,[num intValue], result ); return [[NSString stringWithFormat: @"XXXXXXXXXXXXXXXX", 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]; }
//32位小写
+ (NSString*)md532BitLower:(NSString *)string { const char *cStr = [string UTF8String]; unsigned char result[16]; NSNumber *num = [NSNumber numberWithUnsignedLong:strlen(cStr)]; CC_MD5( cStr,[num intValue], result ); return [[NSString stringWithFormat: @"XXXXXXXXXXXXXXXX", 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]; }
