On Thu, Jul 07, 2016, Chris Bare wrote:
> Ok, that makes sense with what I'm seeing. I just tried changing this:
> const EVP_MD* md = EVP_get_digestbyobj(sig_alg_oid);
> to this:
> const EVP_MD* md = EVP_get_digestbyname("SHA256");
>
> and it all worked correctly.
> so given that I have
Ok, that makes sense with what I'm seeing. I just tried changing this:
const EVP_MD* md = EVP_get_digestbyobj(sig_alg_oid);
to this:
const EVP_MD* md = EVP_get_digestbyname("SHA256");
and it all worked correctly.
so given that I have an OID for ecdsa-with-SHA256, is there a function that
On 07/07/2016 20:08, Chris Bare wrote:
EVP_get_digestbyobj fails for ecdsa-with-SHA256
ecdsa-with-SHA256 is not a digest algorithm, it is a signature
algorithm with a specific choice of digest algorithm (SHA256).
In OpenSSL 1.0.2 and older there is a very old compatibility
feature which
EVP_get_digestbyobj fails for ecdsa-with-SHA256
I'm trying to perform a standard signature verification using the EVP_*
functions.
I think my code is correct, because it all runs fine if the digest is
RSA-SHA256.
I have an ASN1_OBJECT that specifics the signature/disgest type.
Here is my code
