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Re: [Fed-Talk] Entourage, CAC, Digital Signatures and Encryption
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Re: [Fed-Talk] Entourage, CAC, Digital Signatures and Encryption


  • Subject: Re: [Fed-Talk] Entourage, CAC, Digital Signatures and Encryption
  • From: Michael Kluskens <email@hidden>
  • Date: Thu, 3 Nov 2005 15:02:57 -0500


On Nov 3, 2005, at 2:49 PM, Timothy J. Miller wrote:

These sound like you selected your identity certificate instead of the email signing certificate. This is legal according to the RFCs becaus e both certificates have the correct basic key usages for signing, but the email signing cert has several additional extended key usages for user authentication.

Since your ID cert doesn't contain your email address, S/MIME clients are required to notify you of that fact when they verify the signature. Thus the message.


I should point out a third possibility, somehow we have a number of certificates (on CAC cards) that don't have an email address associated with them, I have seen them in the CAC Card Viewer in OS X 10.3 and I have seen them in the DoD database when trying to download all certificates for our division.


Michael

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  • Follow-Ups:
    • Re: [Fed-Talk] Entourage, CAC, Digital Signatures and Encryption
      • From: "Carlsen, David D. Contractor" <email@hidden>
References: 
 >[Fed-Talk] Entourage, CAC, Digital Signatures and Encryption (From: "Carlsen, David D. Contractor" <email@hidden>)
 >Re: [Fed-Talk] Entourage, CAC, Digital Signatures and Encryption (From: "Timothy J. Miller" <email@hidden>)

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