iOS MD5加密

MyMd5.h文件中
+(NSString *) md5: (NSString *) inPutText ;

MyMd5.m文件中
+(NSString *) md5: (NSString *) inPutText
{
const char *cStr = [inPutText 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]
];
}