xca/lib/builtin_curves.cpp
Christian Hohnstaedt 0e5af2e452 Replace check_oom() by Q_CHECK_PTR()
Qt offers the functionality. No need to invent it ourselves.
2021-06-01 17:48:37 +02:00

182 lines
3.6 KiB
C++

/*
* Copyright (C) 2014 - 2020 Christian Hohnstaedt.
*
* All rights reserved.
*/
#include <openssl/evp.h>
#include <QDebug>
#include <QList>
#include "builtin_curves.h"
#include "exception.h"
#include "func.h"
#ifndef OPENSSL_NO_EC
#include <openssl/ec.h>
#include "opensc-pkcs11.h"
static const QList<int> rfc5480_curve_nids()
{
return QList<int> {
NID_X9_62_prime192v1,
NID_secp224r1,
NID_X9_62_prime256v1,
NID_secp384r1,
NID_secp521r1,
};
};
static const QList<int> x962_curve_nids()
{
return QList<int> {
NID_X9_62_prime192v1,
NID_X9_62_prime192v2,
NID_X9_62_prime192v3,
NID_X9_62_prime239v1,
NID_X9_62_prime239v2,
NID_X9_62_prime239v3,
NID_X9_62_prime256v1,
NID_X9_62_c2pnb163v1,
NID_X9_62_c2pnb163v2,
NID_X9_62_c2pnb163v3,
NID_X9_62_c2pnb176v1,
NID_X9_62_c2tnb191v1,
NID_X9_62_c2tnb191v2,
NID_X9_62_c2tnb191v3,
NID_X9_62_c2pnb208w1,
NID_X9_62_c2tnb239v1,
NID_X9_62_c2tnb239v2,
NID_X9_62_c2tnb239v3,
NID_X9_62_c2pnb272w1,
NID_X9_62_c2pnb304w1,
NID_X9_62_c2tnb359v1,
NID_X9_62_c2pnb368w1,
NID_X9_62_c2tnb431r1
};
};
static const QList<int> other_curve_nids()
{
return QList<int> {
NID_sect113r1,
NID_sect113r2,
NID_sect131r1,
NID_sect131r2,
NID_sect163k1,
NID_sect163r1,
NID_sect163r2,
NID_sect193r1,
NID_sect193r2,
NID_sect233k1,
NID_sect233r1,
NID_sect239k1,
NID_sect283k1,
NID_sect283r1,
NID_sect409k1,
NID_sect409r1,
NID_sect571k1,
NID_sect571r1,
NID_secp112r1,
NID_secp112r2,
NID_secp128r1,
NID_secp128r2,
NID_secp160k1,
NID_secp160r1,
NID_secp160r2,
NID_secp192k1,
NID_secp224k1,
NID_secp224r1,
NID_secp256k1,
NID_secp384r1,
NID_secp521r1,
NID_wap_wsg_idm_ecid_wtls1,
NID_wap_wsg_idm_ecid_wtls3,
NID_wap_wsg_idm_ecid_wtls4,
NID_wap_wsg_idm_ecid_wtls5,
NID_wap_wsg_idm_ecid_wtls6,
NID_wap_wsg_idm_ecid_wtls7,
NID_wap_wsg_idm_ecid_wtls8,
NID_wap_wsg_idm_ecid_wtls9,
NID_wap_wsg_idm_ecid_wtls10,
NID_wap_wsg_idm_ecid_wtls11,
NID_wap_wsg_idm_ecid_wtls12,
#ifdef NID_brainpoolP160r1
NID_brainpoolP160r1,
NID_brainpoolP160t1,
NID_brainpoolP192r1,
NID_brainpoolP192t1,
NID_brainpoolP224r1,
NID_brainpoolP224t1,
NID_brainpoolP256r1,
NID_brainpoolP256t1,
NID_brainpoolP320r1,
NID_brainpoolP320t1,
NID_brainpoolP384r1,
NID_brainpoolP384t1,
NID_brainpoolP512r1,
NID_brainpoolP512t1
#endif
};
};
builtin_curves::builtin_curves()
{
int i, num_curves = EC_get_builtin_curves(NULL, 0);
EC_builtin_curve *curves = new EC_builtin_curve[num_curves];
Q_CHECK_PTR(curves);
BIGNUM *order = BN_new();
Q_CHECK_PTR(order);
EC_get_builtin_curves(curves, num_curves);
for (i=0; i < num_curves; i++) {
int flag = 0, nid = curves[i].nid;
unsigned long type = 0;
if (rfc5480_curve_nids().contains(nid))
flag = CURVE_RFC5480;
else if (x962_curve_nids().contains(nid))
flag = CURVE_X962;
else if (other_curve_nids().contains(nid))
flag = CURVE_OTHER;
else
continue;
EC_GROUP *group = EC_GROUP_new_by_curve_name(nid);
EC_GROUP_get_order(group, order, NULL);
switch (EC_METHOD_get_field_type(EC_GROUP_method_of(group))) {
case NID_X9_62_prime_field:
type = CKF_EC_F_P;
break;
case NID_X9_62_characteristic_two_field:
type = CKF_EC_F_2M;
break;
default:
continue;
}
#undef PRINT_KNOWN_CURVES
#ifdef PRINT_KNOWN_CURVES
qDebug() << QString(curves[i].comment).leftJustified(50)
<< QString(OBJ_nid2sn(nid)).leftJustified(27)
<< OBJ_obj2QString(OBJ_nid2obj(nid),1).leftJustified(20)
<< (type == CKF_EC_F_P ? "Fp" : "F2m");
#endif
append(builtin_curve(nid, QString(curves[i].comment),
BN_num_bits(order), flag, type));
EC_GROUP_free(group);
}
BN_free(order);
delete[] curves;
}
#else
builtin_curves::builtin_curves() { }
#endif