On Thu, Mar 14, 2013, Leon Brits wrote:
> Hi List,
>
> I just want to verify: Elliptic curve functions are not encapsulated by the
> EVP functions - correct? If so, what is the
> EVP_PKEY_CTX_set_ec_paramgen_curve_nid function then used for? If NOT so,
> then please help with an example since I could only find the normal
> EC_{KEY,GROUP}* type of example code?
>
> I am required to perform ECDSA and was hoping I could use EVP which is now
> working for DSA and RSA (sans the padding problem).
>
Yes you can use EVP for EC though not all the functionality is available from
the EVP interface at present.
The only real quirk is that when you generate a key the named curve ASN1
option isn't set by default for keys and can't be set by a ctrl. You can
extract the key and set that manually though.
Steve.
--
Dr Stephen N. Henson. OpenSSL project core developer.
Commercial tech support now available see: http://www.openssl.org
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