IOS密码强度判断

IOS密码强度判断

2012-04-27 9:27

#pragma mark - 判断密码强度函数

//判断是否包含

+ (BOOL) judgeRange:(NSArray*) _termArray Password:(NSString*) _password

{

  NSRange range;

   BOOLresult =NO;

   for(inti=0; i<[_termArray count]; i++)

    {

        range = [_password rangeOfString:[_termArray objectAtIndex:i]];

       if(range.location != NSNotFound)

        {

            result =YES;

        }

    }

   returnresult;

}

//条件

+ (NSString*) judgePasswordStrength:(NSString*) _password

{

    NSMutableArray* resultArray = [[NSMutableArray alloc] init];

    

    NSArray* termArray1 = [[NSArray alloc] initWithObjects:@"a",@"b", @"c",@"d", @"e",@"f", @"g",@"h", @"i",@"j", @"k",@"l", @"m",@"n", @"o",@"p", @"q",@"r", @"s",@"t", @"u",@"v", @"w",@"x", @"y",@"z", nil];

    NSArray* termArray2 = [[NSArray alloc] initWithObjects:@"1",@"2", @"3",@"4", @"5",@"6", @"7",@"8", @"9",@"0", nil];

    NSArray* termArray3 = [[NSArray alloc] initWithObjects:@"A",@"B", @"C",@"D", @"E",@"F", @"G",@"H", @"I",@"J", @"K",@"L", @"M",@"N", @"O",@"P", @"Q",@"R", @"S",@"T", @"U",@"V", @"W",@"X", @"Y",@"Z", nil];

    NSArray* termArray4 = [[NSArray alloc] initWithObjects:@"~",@"`",@"@",@"#",@"$",@"%",@"^",@"&",@"*",@"(",@")",@"-",@"_",@"+",@"=",@"{",@"}",@"[",@"]",@"|",@":",@";",@"“",@"'",@"‘",@"<",@",",@".",@">",@"?",@"/",@"、", nil];

    

    NSString* result1 = [NSString stringWithFormat:@"%d",[self judgeRange:termArray1 Password:_password]];

    NSString* result2 = [NSString stringWithFormat:@"%d",[self judgeRange:termArray2 Password:_password]];

    NSString* result3 = [NSString stringWithFormat:@"%d",[self judgeRange:termArray3 Password:_password]];

    NSString* result4 = [NSString stringWithFormat:@"%d",[self judgeRange:termArray4 Password:_password]];

    

    [resultArray addObject:[NSString stringWithFormat:@"%@",result1]];

    [resultArray addObject:[NSString stringWithFormat:@"%@",result2]];

    [resultArray addObject:[NSString stringWithFormat:@"%@",result3]];

    [resultArray addObject:[NSString stringWithFormat:@"%@",result4]];

    

    int intResult=0;

    for (int j=0; j<[resultArray count]; j++)

    {

        

        if ([[resultArray objectAtIndex:j] isEqualToString:@"1"])

        {

            intResult++;

        }

    }

    NSString* resultString = [[NSString alloc] init];

    if (intResult <2)

    {

        resultString = @"密码强度低，建议修改";

    }

    elseif (intResult ==2&&[_password length]>=6)

    {

        resultString = @"密码强度一般";

    }

    if (intResult > 2&&[_password length]>=6)

    {

        resultString = @"密码强度高";

    }

    

    return resultString;

}

声明：包含大写/小写/数字/特殊字符

两种以下密码强度低

两种密码强度中

大于两种密码强度高

密码强度标准根据需要随时调整