Finishing up the new nads join code [was Re: svn commit: samba
Gerald (Jerry) Carter
jerry at samba.org
Thu May 18 04:36:49 GMT 2006
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Luke Howard wrote:
>> I also experimented with the LDAP signing. This is simply
>> a kerb5 HMAC-MD5 signature on the GSS-API payload.
> I know you know this, but this is a generalization; the signing
> algorithm is opaque to the GSS-API consumer and indeed, post
> RFC 4121, to the mechanism implementation itself.
Yup. Didn't realize rfc4121 made it independent of
the mechanism though. I'll go back and read that.
>> We can do this in Samba 3, but will have to implement
>> support in our own SASL code and need to make use
>> of gss_wrap()/gss_unwrap(). The krb5/gss code already
>> works as far as I can tell.
> Yes, it works, implementing SASL integrity on top of gss_wrap()/
> gss_unwrap() is not difficult but you will need to use
> gss_init_sec_context() to establish the security context.
It just means moving from native krb5 to gss calls more
through the code. Which is no trivial feat.
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