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/*
* ECC Group Info
* This file was automatically generated by {{ script }} on {{ date }}
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#include <botan/ec_group.h>
namespace Botan {
// clang-format off
//static
std::shared_ptr<EC_Group_Data> EC_Group::EC_group_info(const OID& oid) {
{%- for curve in curves %}
// {{ curve["Name"] }}
if({% for oid in curve["OIDExpr"] %}oid == {{ oid }}{% if not loop.last %} || {% endif %}{% endfor %}) {
return load_EC_group_info(
"0x{{ "%X" % curve["P"] }}",
"0x{{ "%X" % curve["A"] }}",
"0x{{ "%X" % curve["B"] }}",
"0x{{ "%X" % curve["X"] }}",
"0x{{ "%X" % curve["Y"] }}",
"0x{{ "%X" % curve["N"] }}",
{% if curve["OIDExpr"] | length == 1 %}oid{% else %}{{ curve["OIDExpr"][0] }}{% endif %});
}
{% endfor %}
return std::shared_ptr<EC_Group_Data>();
}
//static
OID EC_Group::EC_group_identity_from_order(const BigInt& order)
{
const uint32_t low_bits = static_cast<uint32_t>(order.word_at(0));
{% for curve in curves %}
if(low_bits == 0x{{ "%08X" % curve["N32"]}} && order == BigInt("0x{{ "%X" % curve["N"] }}")) {
return {{ curve["OIDExpr"][0] }};
}
{% endfor %}
return OID();
}
//static
const std::set<std::string>& EC_Group::known_named_groups() {
static const std::set<std::string> named_groups = {
{{named_groups}}
};
return named_groups;
}
} // namespace Botan
// clang-format on