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Title StrongPwd Object
Description The StrongPwd Object exposes properties and methods to create and test passwords
to ensure that they meet or exceed strong password standards.

Create Method
syntax:
string = object.Create()
description:
Creates a strong password. The mechanism used to create
passwords is pseudo-random so it is not entirely guaranteed that
the password created will be strong. To guarantee a strong
password, Call the CreateEx Method instead.
arguments:
None
returns:
string.

CreateEx Method
syntax:
string = object.CreateEx()
description:
CreateEx creates a password that is guaranteed to pass the
requirements specified in the Check method. CreateEx ensures
a strong password by calling Create over and over again and
testing the returned password against the Check method. Once
the Create method returns a strong password that passes all
tests, that password is returned by CreateEx.
arguments:
None
returns:
string.

FailurePoint Property
syntax:
string = object.FailurePoint
description:
The FailurePoint property contains valid data if the Check
method returns false. In other words, when you test a password
using the Check method and the check method returns false,
the FailurePoint property will tell you why the Check method
considers the password not strong.
returns:
string. read-only.

Check Method
syntax:
boolean = object.Check(usrname, password)
description:
The Check method checks a password to ensure that is
strong. It checks the following criteria:
1.) password must have at least 6 characters
2.) password must not contain the user name
3.) password must contain at least 3 character
classes:
- English Upper Case Letters
- English Lower Case Letters
- Westernized Arabic Numbers
- Non-Alphanumeric (Special Characters)
arguments:
1.) usrname. string. The user name that this password is
being used with.
2.) password. string. The password to check.
returns:
boolean.
Category ASP » Security
Hits 8731
Code Select and Copy the Code
<% Class StrongPwd Private AllChars, sFailure Private Sub Class_Initialize() Dim s s = "" s = s & "A>=a{Bn0@Cb;D[o1<Ecp~F2qG}rH/d%3(st^IJ]eu" s = s & "$4K:Lf5&M*v-gN`6?OhP+|7w)iQ""R8jS.xT9_kUy'VW,lXm!#YzZ" AllChars = s End Sub Public Function Create() Dim hPwdLen, i, sOut, sNewOut, hBeg, hEnd hBeg = 0 hEnd = 0 hPwdLen = 0 i = 0 sOut = "" sNewOut = "" Randomize hPwdLen = Int((Rnd * 10) + 7) For i = 1 To hPwdLen Randomize sOut = sOut & Mid(AllChars, Int(Rnd * Len(AllChars)) + 1, 1) Next hEnd = Len(sOut) - 1 Do until (hBeg = hEnd) Or (hEnd - 1 = hBeg) sNewOut = sNewOut & Mid(sOut, hBeg + 1, 1) & Mid(sOut, hEnd + 1, 1) If hBeg = hEnd Or hEnd - 1 = hBeg Then Exit Do hEnd = Abs(hEnd - 1) hBeg = Abs(hBeg + 1) Loop If hPwdLen Mod 2 = 0 Then sNewOut = sNewOut & Mid(sOut, hBeg + 1, 1) & Mid(sOut, hEnd + 1, 1) Else sNewOut = sNewOut & Mid(sOut, hBeg + 1, 1) End If Create = StrReverse(sNewOut) End Function Public Function CreateEx() Dim sPwd sPwd = create Do until check("anonymous", sPwd) sPwd = create Loop CreateEx = sPwd End Function Public Property Get FailurePoint FailurePoint = sFailure End Property Public Function Check(ByVal sUsrName, ByVal sPassword) 'http://support.microsoft.com/support/kb/articles/q161/9/90.asp Dim re, passCt sFailure = "" Check = False passCt = 0 'Passwords must be at least six (6) characters long If Len(sPassword) < 6 Then sFailure = "minimum length requirement not satisfied" Exit Function End If 'Passwords may not contain your user name If InStr(LCase(sPassword), LCase(sUsrName)) <> 0 Then sFailure = "password contains user name" Exit Function End If 'Passwords must contain characters from at least three (3) 'of four (4) character classes Set re = New regexp With re .ignorecase = False .global = True .multiline = False .pattern = "[A-Z_]" If .test(sPassword) Then passCt = passCt + 1 Else sFailure = "Missing character class: " & _ "English upper case letters" & vbCrLf End If .pattern = "[a-z_]" If .test(sPassword) Then passCt = passCt + 1 Else sFailure = sFailure & "Missing character class: " & _ "English lower case letters" & vbCrLf End If .pattern = "[0-9]" If .test(sPassword) Then passCt = passCt + 1 Else sFailure = sFailure & "Missing character class: " & _ "Westernized arabic numbers" & vbCrLf End If .pattern = "[W]" If .test(sPassword) Then passCt = passCt + 1 Else sFailure = sFailure & "Missing character class: " & _ "Non-alphanumeric (""special characters"")" & vbCrLf End If End With Set re = Nothing If passCt < 3 Then Exit Function sFailure = "" Check = True End Function End Class %>

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