Jump to content

Is it possible to add ECDHE ciphers to Xp or is it a stupid thought?


maile3241

Recommended Posts

Hi there,
Is it possible to add ECDHE ciphers? To access the Windows Update website without ProxhttpsProxy. I read that you can update the ciphers in the registry editor, or am I wrong?

I found these entries:

BvdN61P.png

The Windows Update website requires these ciphers:

tWF2jCs.png

Link to comment
Share on other sites


20 minutes ago, RainyShadow said:

I believe this registry edit would only disable the already available ciphers. 

To add new ones they have to be programmed in the .DLL that does the actual work.

OK. Unfortunately, I'm not a programmer who can do that. Would it work if we take the file from Vista?

Link to comment
Share on other sites

8 minutes ago, maile3241 said:

Would it work if we take the file from Vista?

I think this was attempted before without success. 

Check the begining of the few big related threads (about TLS 1.2, or the WU/MU one maybe), it was mentioned somewhere there.

Link to comment
Share on other sites

2 hours ago, RainyShadow said:

I think this was attempted before without success. 

Have a look into this thread: 

It's all about TLS, SSL, ProxHTTPSProxy and a lot of observations relating to schannel.dll where Ciphers are provided.

Edited by AstroSkipper
correction
Link to comment
Share on other sites

4 hours ago, maile3241 said:

Hi there,
Is it possible to add ECDHE ciphers? To access the Windows Update website without ProxhttpsProxy. I read that you can update the ciphers in the registry editor, or am I wrong?

As @RainyShadow said above these registry entries can only enable or disable ciphers which already exist in file schannel.dll. Here is a link:
https://www.ssl.com/de/wie-man/Wählen-Sie-die-richtigen-Cipher-Suites-in-der-Schannel-DLL/
And replacing files is simple but in most cases it won't work at all. A lot of dll files have dependencies and need special registry entries too. Some people have already tried that. For example here: 

Edited by AstroSkipper
correction
Link to comment
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now
  • Recently Browsing   0 members

    • No registered users viewing this page.
×
×
  • Create New...