Re: Tweak UI - Password encryption and autologon
From: Ramesh, MS-MVP (ramesh_at_XOX.mvps.org)
Date: 08/31/05
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Date: Wed, 31 Aug 2005 20:58:46 +0530
Very much welcome, Doug :-)
-- Ramesh, Microsoft MVP Windows XP Shell/User http://windowsxp.mvps.org "Doug Knox MS-MVP" <dknox@mvps.org> wrote in message news:OpXMgLirFHA.304@TK2MSFTNGP11.phx.gbl... Thanks, Ramesh. :-) -- Doug Knox, MS-MVP Windows Media Center\Windows Powered Smart Display\Security Win 95/98/Me/XP Tweaks and Fixes http://www.dougknox.com -------------------------------- Per user Group Policy Restrictions for XP Home and XP Pro http://www.dougknox.com/xp/utils/xp_securityconsole.htm -------------------------------- Please reply only to the newsgroup so all may benefit. Unsolicited e-mail is not answered. "Ramesh, MS-MVP" <ramesh@XOX.mvps.org> wrote in message news:uiS9nZfrFHA.464@TK2MSFTNGP15.phx.gbl... > It's stored in a protected area. So does the Userpasswords2 method. > > Protecting the Automatic Logon Password: > http://msdn.microsoft.com/library/default.asp?url=/library/en-us/secauthn/security/protecting_the_automatic_logon_password.asp > > -- > Ramesh, Microsoft MVP > Windows XP Shell/User > http://windowsxp.mvps.org > > > "Larry Williams" <LarryWilliams@discussions.microsoft.com> wrote in > message > news:9F2725D9-1559-43D2-8E0A-25A3247227A8@microsoft.com... >> >> Not with my version of Tweak 2.10.0.0. I even did a search from my >> password >> in the registry. >> >> Could it be you've set the registry password some other way? >> >> "Doug Knox MS-MVP" wrote: >> >>> TweakUI does store the password in the Registry, un-encrypted. >>> >>> HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon >>> >>> DefaultPassword >>> >>> -- >>> Doug Knox, MS-MVP Windows Media Center\Windows Powered Smart >>> Display\Security >>> Win 95/98/Me/XP Tweaks and Fixes >>> http://www.dougknox.com >>> -------------------------------- >>> Per user Group Policy Restrictions for XP Home and XP Pro >>> http://www.dougknox.com/xp/utils/xp_securityconsole.htm >>> -------------------------------- >>> Please reply only to the newsgroup so all may benefit. >>> Unsolicited e-mail is not answered. >>> >>> "Larry Williams" <LarryWilliams@discussions.microsoft.com> wrote in >>> message news:2B5A2991-888F-4243-B69E-9F86B7132290@microsoft.com... >>> > Okay. Thanks. >>> > >>> > I was hoping the Tweak stored your password in the registry but I >>> > wasn't >>> > able to find it. >>> > >>> > I read chapter 15 of the MS XP Registry Guide and plan on seting this >>> > up >>> > just before the restart and including an entry for the >>> > "AutoLogonCount" >>> > of 1 >>> > so the information is automatically removed after the restart. >>> > >>> > "Doug Knox MS-MVP" wrote: >>> > >>> >> You can't. The autologon feature expects to see a plaintext >>> >> password. >>> >> You're only option would be to write a custom GINA DLL for >>> >> authentication that would know how to decrypt the stored password. >>> >> >>> >> -- >>> >> Doug Knox, MS-MVP Windows Media Center\Windows Powered Smart >>> >> Display\Security >>> >> Win 95/98/Me/XP Tweaks and Fixes >>> >> http://www.dougknox.com >>> >> -------------------------------- >>> >> Per user Group Policy Restrictions for XP Home and XP Pro >>> >> http://www.dougknox.com/xp/utils/xp_securityconsole.htm >>> >> -------------------------------- >>> >> Please reply only to the newsgroup so all may benefit. >>> >> Unsolicited e-mail is not answered. >>> >> >>> >> "Larry Williams" <LarryWilliams@discussions.microsoft.com> wrote in >>> >> message news:84365F2D-EEF9-409F-85D4-B2813F7F4C6B@microsoft.com... >>> >> > I'm writing a program that will accept a userid and password to do >>> >> > an >>> >> > autologon after a restart using the following registry entries: >>> >> > >>> >> > HKEY_LOCAL_MACHINE\Software\Microsoft\Windows >>> >> > NT\CurrentVersion\Winlogon >>> >> > >>> >> > DefaultUserName "your_username" >>> >> > DefaultPassword "your_password" >>> >> > AutoAdminLogon "1" >>> >> > >>> >> > However, if for some reason my program doesn't run properly and >>> >> > remove the >>> >> > userid/password when it's finished then I want to ensure that the >>> >> > password >>> >> > can't just be read from the registry. Therefore I need to know how >>> >> > to do the >>> >> > same thing that Tweak UI does and store an encrypted version of the >>> >> > password. >>> >> > >>> >> > Any ideas? >>> >> >>> >
- Next message: aniladmin_at_gmail.com: "secure user account"
- Previous message: Ramesh, MS-MVP: "Re: Tweak UI - Password encryption and autologon"
- In reply to: Doug Knox MS-MVP: "Re: Tweak UI - Password encryption and autologon"
- Next in thread: Larry Williams: "Re: Tweak UI - Password encryption and autologon"
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