On Fri, Dec 19, 2008 at 07:30:51AM -0800, BiGNoRm6969 wrote:
> I am doing a SHA256 on a RSA* private key. I used the result as a symmetric
> key for AES encryption.
This is a terrible idea. Use PKCS7, S/MIME or CMS. Don't invent your
own security protocols or message formats.
> ///////////////////////////////////////////////////////////////////////////////////////////
> int length = RSA_size(rsaPrivateKey);
>
The "rsaPrivateKey" hers is an in memory data structure with various
pointers, ... it is not a fixed serialization of the key. For that you
need to "i2dRSAPrivateKey", but that would be a mistake too, see above.
--
Viktor.
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