How to use , in Publisher name

[DRSchlaubi]

As an open source project the only way to go rn are Certums OSS certificates, which do require the CN tag to be set to Open Source Developer, <yourname>

So I have an Identity tag like this

  <Identity Name="dev.schlaubi.Tonbrett" Version="0.0.0.0" Publisher="CN=Open Source Developer, Michael Rittmeister, O=Open Source Developer, S=Bayern, C=DE" ProcessorArchitecture="x64" />`, however that fails validation as of the use of the `,`
  
  So how do I put a , in my CN?

[florelis]

You have to wrap the CN value in quotes, like
CN="Open Source Developer, Michael Rittmeister", O=Open Source Developer, S=Bayern, C=DE
(And possibly the O one too? I can't remember if spaces are allowed without quoting)

But since that is XML, you'll have to escape the quotes with "

Publisher="CN="Open Source Developer, Michael Rittmeister", O=Open Source Developer, S=Bayern, C=DE"

[DRSchlaubi]

The subject line in my certificate is

E = michael@rittmeister.in
CN = Open Source Developer, Michael Rittmeister
O = Open Source Developer
L = Gauting
S = Bavaria
C = DE

So my Identity tag is

  <Identity Name="dev.schlaubi.Tonbrett" Version="0.0.0.0" Publisher="E=michael@rittmeister.in, CN=&quot;Open Source Developer, Michael Rittmeister&quot;, O=Open Source Developer, L=Gauting, S=Bavaria, C=DE" ProcessorArchitecture="x64" />

However signing fails with Error information: "Error: SignerSign() failed." (-2146889723/0x80091005) with afaik means that the Publisher is wrong

[DRSchlaubi]

I was using a wrong /fd value, thx for your reply

[jim-jiang-github]

I was using a wrong /fd value, thx for your reply

I got same error... I try the way you do, but I always get the error :Error information: "Error: SignerSign() failed." (-2147024885/0x8007000b)
My certificate is:
Thumbprint Subject

---

4FBEC69EB3E41C04FCB2E04041AA45AFD10E92BC CN="Jim Jiang, O=Sunia, Inc., C=US"

and the AppxManifest.xml is
<Identity Name="SuniaPTE.LTD.AcerAssist" Publisher="CN=Jim Jiang, O=&quot;Sunia, Inc.&quot;, C=US" Version="1.0.0.0" ProcessorArchitecture="x64" />