On Thu, Mar 14, 2013 at 11:34:12AM +0800, cellecial wrote:
> I'm frustrated that I can't get correct result from such a simple API(on
> openssl 1.0.1c),just like below.
>
> md = EVP_get_digestbynid(NID_ecdsa_with_SHA256); //NID_md5
This is because ECDSA-WITH-SHA256 is a signature algorithm, and not
a digest algorithm like MD5, SHA1, ...
> Or it's just a misuse. Am I missing something?
Yes: EVP_SignInit != EVP_DigestInit. Consult both manpages.
--
Viktor.
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