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153 lines
3.0 KiB
C++
153 lines
3.0 KiB
C++
/*
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* Copyright (C) 2014 Christian Hohnstaedt.
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*
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* All rights reserved.
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*/
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#include <openssl/evp.h>
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#include "builtin_curves.h"
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#include "exception.h"
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#ifndef OPENSSL_NO_EC
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#include <openssl/ec.h>
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static const int x962_curve_nids[] = {
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NID_X9_62_prime192v1,
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NID_X9_62_prime192v2,
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NID_X9_62_prime192v3,
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NID_X9_62_prime239v1,
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NID_X9_62_prime239v2,
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NID_X9_62_prime239v3,
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NID_X9_62_prime256v1,
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NID_X9_62_c2pnb163v1,
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NID_X9_62_c2pnb163v2,
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NID_X9_62_c2pnb163v3,
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NID_X9_62_c2pnb176v1,
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NID_X9_62_c2tnb191v1,
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NID_X9_62_c2tnb191v2,
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NID_X9_62_c2tnb191v3,
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NID_X9_62_c2pnb208w1,
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NID_X9_62_c2tnb239v1,
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NID_X9_62_c2tnb239v2,
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NID_X9_62_c2tnb239v3,
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NID_X9_62_c2pnb272w1,
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NID_X9_62_c2pnb304w1,
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NID_X9_62_c2tnb359v1,
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NID_X9_62_c2pnb368w1,
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NID_X9_62_c2tnb431r1
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};
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static const int other_curve_nids[] = {
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NID_sect113r1,
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NID_sect113r2,
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NID_sect131r1,
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NID_sect131r2,
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NID_sect163k1,
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NID_sect163r1,
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NID_sect163r2,
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NID_sect193r1,
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NID_sect193r2,
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NID_sect233k1,
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NID_sect233r1,
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NID_sect239k1,
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NID_sect283k1,
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NID_sect283r1,
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NID_sect409k1,
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NID_sect409r1,
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NID_sect571k1,
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NID_sect571r1,
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NID_secp112r1,
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NID_secp112r2,
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NID_secp128r1,
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NID_secp128r2,
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NID_secp160k1,
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NID_secp160r1,
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NID_secp160r2,
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NID_secp192k1,
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NID_secp224k1,
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NID_secp224r1,
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NID_secp256k1,
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NID_secp384r1,
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NID_secp521r1,
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NID_wap_wsg_idm_ecid_wtls1,
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NID_wap_wsg_idm_ecid_wtls3,
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NID_wap_wsg_idm_ecid_wtls4,
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NID_wap_wsg_idm_ecid_wtls5,
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NID_wap_wsg_idm_ecid_wtls6,
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NID_wap_wsg_idm_ecid_wtls7,
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NID_wap_wsg_idm_ecid_wtls8,
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NID_wap_wsg_idm_ecid_wtls9,
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NID_wap_wsg_idm_ecid_wtls10,
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NID_wap_wsg_idm_ecid_wtls11,
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NID_wap_wsg_idm_ecid_wtls12,
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#if OPENSSL_VERSION_NUMBER >= 0x10002001L
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NID_brainpoolP160r1,
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NID_brainpoolP160t1,
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NID_brainpoolP192r1,
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NID_brainpoolP192t1,
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NID_brainpoolP224r1,
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NID_brainpoolP224t1,
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NID_brainpoolP256r1,
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NID_brainpoolP256t1,
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NID_brainpoolP320r1,
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NID_brainpoolP320t1,
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NID_brainpoolP384r1,
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NID_brainpoolP384t1,
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NID_brainpoolP512r1,
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NID_brainpoolP512t1
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#endif
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};
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builtin_curves::builtin_curves()
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{
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int i, num_curves = EC_get_builtin_curves(NULL, 0);
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EC_builtin_curve *curves = (EC_builtin_curve*)OPENSSL_malloc(
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(int)(sizeof(EC_builtin_curve) *num_curves));
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check_oom(curves);
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BIGNUM *order = BN_new();
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check_oom(order);
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EC_get_builtin_curves(curves, num_curves);
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for (i=0; i< num_curves; i++) {
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size_t j;
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int flag = 0, nid = curves[i].nid;
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for (j=0; j<ARRAY_SIZE(x962_curve_nids); j++) {
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if (x962_curve_nids[j] == nid) {
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flag = CURVE_X962;
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break;
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}
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}
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if (!flag) {
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for (j=0; j<ARRAY_SIZE(other_curve_nids); j++) {
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if (other_curve_nids[j] == nid) {
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flag = CURVE_OTHER;
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break;
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}
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}
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}
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if (!flag)
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continue;
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EC_GROUP *group = EC_GROUP_new_by_curve_name(nid);
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EC_GROUP_get_order(group, order, NULL);
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append(builtin_curve(nid, QString(curves[i].comment),
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BN_num_bits(order), flag,
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EC_METHOD_get_field_type(EC_GROUP_method_of(group)))
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);
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EC_GROUP_free(group);
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}
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BN_free(order);
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}
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#else
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builtin_curves::builtin_curves() { }
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#endif
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