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devel / comp.protocols.kerberos / Re: How to get Kerberos token for proxy authentication

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o Re: How to get Kerberos token for proxy authenticationKen Hornstein

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Re: How to get Kerberos token for proxy authentication

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From: kenh@cmf.nrl.navy.mil (Ken Hornstein)
Newsgroups: comp.protocols.kerberos
Subject: Re: How to get Kerberos token for proxy authentication
Date: Sun, 17 Mar 2024 20:11:40 -0400
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 by: Ken Hornstein - Mon, 18 Mar 2024 00:11 UTC

>Hi, I have a requirement to authenticate my application
>(Golang)  against a proxy server which requires Kerberos
>authentication. I have achieved this on Windows using
>github/alexbrainman/sspi Golang package.From that package I
>basically call  negotiate.AcquireCurrentUserCredentials() and
>negotiate.NewClientContext() to get the client token which gets passed
>to the proxy server in Proxy-Authorization header. I want to achieve
>the same on macOS and looking for suitable libraries.  Can I use MIT
>Kerberos library for this purpose ?what are the APIs equivalent to get
>client token without prompting the user for password ? The user would
>have acquired Kerberos ticket on sign-in as a domain user.

I believe you would want to use the GSSAPI for this. If your header
looks like:

Proxy-Authorization: Negotiate <base64 encoded data>

Then definitely you want to use that. You could use libcurl as example
code if you wanted to see what this would look like.

--Ken

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