Error checking the _StringEncrypt function

[DavidTunnell]

I am using _StringEncrypt to decrypt a password that is used in a script with the use of a passcode:

Global $IwpPassword = "D54A7D0E565AEA6251EF68376CD13577C8A89201F31D9946B5A551C9CF646506BCB0EF8BD74847433D7024C9BC80E021E835A67F4D9F2DE4ED59F8AD856A42D3"

$UserPassCode = InputBox("Passcode Needed", "What is the passcode?")
$IwpPassword = _StringEncrypt(0, $IwpPassword, $UserPassCode, 3)

How can I provide error checking? If the user puts in the wrong passcode accoding to the documentation this should be the result: Blank string and @error = 1

But this doesn't work:

If ($IwpPassword <> "") Then
;code
EndIf

It appears to always input some kind of string. Without defeating the purpose by checking the result against the password, how can I tell if the output is wrong and thus exit the script.

 

[Danyfirex]

Hi, Did you try this?:

If Not($IwpPassword == "") Then

EndIf

I really do not understand that you want to check.

Edited September 16, 2013 by Danyfirex

[michaelslamet]

Hello David,

Something like this?

#include<string.au3>

Global $IwpPassword = "D54A7D0E565AEA6251EF68376CD13577C8A89201F31D9946B5A551C9CF646506BCB0EF8BD74847433D7024C9BC80E021E835A67F4D9F2DE4ED59F8AD856A42D3"

$UserPassCode = InputBox("Passcode Needed", "What is the passcode?", "", "*")
$IwpPassword = _StringEncrypt(0, $IwpPassword, $UserPassCode, 3)
If StringCompare($UserPassCode, $IwpPassword, 1) <> 0 Then            ; use StringCompare to check case sensitive
    MsgBox(0,"Incorrect","Your password is incorrect")
Else
    MsgBox(0,"Correct","Your password is correct")
EndIf