Re: Importing a Symmetric Key into the Microsoft Base Smart Card Crypto Provider
- From: "tlviewer" <tlviewerSHRUB@xxxxxxxxxxxxxxx>
- Date: Tue, 25 Apr 2006 15:49:36 -0700
"Milton Kuo" <milton.kuo@xxxxxxxxxxxxxxxxx> wrote in message
news:#OMWeSLaGHA.3408@xxxxxxxxxxxxxxxxxxxxxxx
I am having problems with getting Outlook Express to decrypt an e-mail
message using the Microsoft Base Smart Card Crypto Provider, which
communicates with smart cards using a card module I have written.
Using a utility to trace Crypto API calls made by Outlook Express, I
see that the call to CryptImportKey is failing with GetLastError()
returning 0x8009000A ("Invalid type specified."). The key being
imported into the CSP is a Triple-DES key that is encrypted with a
public RSA key. Here is the sequence of Crypto API calls made by
Outlook Express when decrypting the e-mail message:
Milton,
Are you sure that the "Microsoft Base Smart Card Crypto Provider" supports
3DES? If the Smart Card variety is anything like its cousin, then I know it
doesn't.
Is there an Enhanced Smart Card Provider? That should work.
hth,
tlviewer
.
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