Application Security - each one, teach one - All Comments

re: Writing to Registry? Some best-practices...

Rodolfo OP — Mon, 17 Jan 2011 04:29:30 GMT

I had an UnauthorizedAccessException when starting a WinForms application. I tried to start the application as an administrator but that didn't worked. I even added a App.manifest with requestedExecutionLevel as requireAdministrator or highestAvailable and when using Microsoft.Win32.Registry.CurrentUser.OpenSubKey( key, writeToKey ) the exception was thrown.

The program wanted to read a HKLM (HKEY_LOCAL_MACHINE) key. I changed for HKEY_CURRENT_USER and now the aplication runs smotthly.

re: Code signing mini-FAQ

Bernard Woods — Tue, 24 Nov 2009 18:18:47 GMT

This is the best artical I have read on using digtial signitures for sofware publishers- thank you

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re: Cryptography Cognizance for Application Designers and Developers

eduardna — Wed, 27 Aug 2008 02:44:00 GMT

Hi, I am interested in reading this whitepaper if you have it available!

re: Code signing mini-FAQ

KT — Tue, 06 Nov 2007 18:33:49 GMT

excellent..makes it very clear

re: Writing to Registry? Some best-practices...

maltwhiskman — Mon, 15 Oct 2007 11:50:26 GMT

Can IE extensions get read only access to HKLM or HKCU?

re: Writing to Registry? Some best-practices...

John Irvine — Fri, 14 Sep 2007 12:11:08 GMT

Writing to the registry in Vista... prob. The purpose of the HKLM is to store data to all users (Machine specific)? Yes this could be stored in an INI file but I thought the registry was the replacement of INI files. The actual problem is that the Install prog appears to be a user, not administrator. If this is right then, either the program needs administrative rights or you give user rights to the specific hive of a HKLM key say SOFTWARE/.... (No Way..) So the issue is in the install. The registry is a wonderfull way to store user specific and machine specific data, is Microsoft locking it down so only Windows has access?

re: Understanding 'padding' in symmetric key cryptography

richardl — Fri, 06 Jul 2007 02:40:38 GMT

Not the encryption keys, but the plain text itself.

re: Understanding 'padding' in symmetric key cryptography

Sagar — Thu, 05 Jul 2007 22:07:33 GMT

Are encryption keys padded at times? If yes, why and where is it used?