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List:       ms-cryptoapi
Subject:    Re: Public Exponent.
From:       Carlos Lopez <clopez () MICROSOFT ! COM>
Date:       2002-06-19 15:40:51
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Using article Q228786 would be the only way to do this, although I'm not
sure if that's even possible.  Microsoft always uses the same public
exponent so I'm not sure that we support different public exponents.

Key generation occurs within the CSP.  Applications have no way of
giving any key parameters for generation the RSA key.  This is
especially true for a smart card CSP.  A smart card CSP most likely
sends some command to the smart card to generate the key meaning that it
probably has less control over that option than a regular CSP.

Thanks
Carlos

-----Original Message-----
From: Gabriella Errico [mailto:Gabriella.Errico@SNI.IT] 
Sent: Wednesday, June 19, 2002 1:11 AM
To: CryptoAPI@DISCUSS.MICROSOFT.COM
Subject: Re: Public Exponent.

Hello Mark,
 thank you for your help.
I read the example in your link, it is a smart method to personalize
keys,
but I work with smart card so I can't generate exportable keys. My
problem
is that I should know public key exponent before on board key
generation.

Thanks in advanced.

----- Original Message -----
From: "Mark Stanley" <mstanley@MICROSOFT.COM>
To: <CryptoAPI@DISCUSS.MICROSOFT.COM>
Sent: Wednesday, June 19, 2002 2:08 AM
Subject: Re: Public Exponent.


Perhaps the same technique used in
http://support.microsoft.com/default.aspx?scid=kb;EN-US;q228786
Could be applied?

-----Original Message-----
From: Daniel Sie [mailto:dsie@WINDOWS.MICROSOFT.COM]
Sent: Tuesday, June 18, 2002 4:46 PM
To: CryptoAPI@DISCUSS.MICROSOFT.COM
Subject: Re: Public Exponent.


Not that I know of.

Thanks.

-----Original Message-----
From: Gabriella Errico [mailto:Gabriella.Errico@SNI.IT]
Sent: Friday, June 14, 2002 8:19 AM
To: CryptoAPI@DISCUSS.MICROSOFT.COM
Subject: Public Exponent.


Hello all,
 I want to generate a RSA key pair with a personalized public exponent,
such as Fermat's number. But I don't find any CryptoAPI function that
allows it. Could anybody help me??

Thanks in advanced.

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