Yes, the manifest binding is that flexible. WinSXS manfiest policy files are incredibly flexible, and are designed to support exactly this type of scenario.
You can easily bind to version 1.2, and subsequent packages policy files declare the version ranges that they are deemed to superceede. And, yeah, the certificate thumbprint (I should say 'publicKeyToken')* is very stable--since the publisher has had to go to a CA to get the certificate, it's highly unlikely that they would want to have new keys reissued--which in this rare case would introduce a problem--I'm going to talk to the WinSXS guys about that too. Oddly enough, a similar problem arises in Digital Identity Technology. (*it's not actually a the thumbprint, it's the last 8 bytes of the SHA-1 hash of the public key [uh, *that's* the thumbprint] as a 16 character hexidecimal string.) I think we're aiming to have this a very painless process for developers--you won't have to go digging for the pKT at all--the SmartManifest tool will wire it up neatly for you. (I got a feelin' tomorrows first blog post will be all about WinSXS) G ________________________________ From: Adam Kennedy [[email protected]] Sent: Wednesday, April 14, 2010 6:22 PM To: Garrett Serack Cc: [email protected] Subject: Re: [Coapp-developers] Let's talk about libraries I'm less worried about the logistics of who does the signing than I am about this... This manifest block is a dependency specification, but is it going to be stable and flexible enough to be practical? Currently, the Linux shared libraries (from which code will be ported) supports library dependencies of "1.2.latest" by depending on "1.2" instead of "1.2.3". Is this going to support that level of wild-carding? Or if not can it be emulated in the build farm? Also, if you are a third-party packager, will the certificate thumbprint be stable over time. Or will I need to go search a database somewhere every time I want to update a dependency to work out what the matching thumbprint is? Adam K On 13 April 2010 03:49, Garrett Serack <[email protected]<mailto:[email protected]>> wrote: In order for the consuming application to specify what library it is looking for, its manifest lists the certificate thumbprint, the name of the library and the version.
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