Abhishek Tripathi wrote:
Hi Nils,
Now you got my point but the code on which I am working uses
the too much internals of those structures .That why I needed the change
log.In old OpenSSL code for the EC_KEY_METH_DATA they used some
ECDSA_DATA_new() as follows
EC_KEY *key ;
/*
some code
*/ key->meth_data = (EC_KEY_METH_DATA *)ECDSA_DATA_new();
In new version EC_KEY_METH _DATA is replaced by EC_EXTRA_DATA but I
dont know what is the replacement of ECDSA_DATA_new as this is not
available in new version.
Above like that I am facing some more issues wit internal structures in
ECC of OpenSSL
between Old version and latest version.
perhaps it would be easier if you tell me what exactly you want
to do with these internal structures
Regarding K163 I want to know the curve parameters whose nid was 548 in
that old version of OpenSSL .because this is the only hint to get the
corrosponding curve in new OpenSSL.
you can get the curve parameters with
EC_GROUP_new_by_curve_name(NID_sect163k1);
Cheers,
Nils
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