mirror of
https://github.com/boykopovar/AnyPS5.git
synced 2026-11-05 13:20:11 +00:00
Matteo DonatoandClaude Opus 5.5
c882bb4df5
EC_GROUP_new_by_curve_name, EC_GROUP_free, EC_GROUP_get_degree, EC_KEY_new, EC_KEY_new_by_curve_name, EC_KEY_free, EC_KEY_set_group, EC_KEY_get0_group and ECDSA_size follow LibreSSL 2.5.4 on top of mbedtls's named curves. Co-Authored-By: Claude Opus 5.5 <[email protected]>
109 lines
4.5 KiB
C++
109 lines
4.5 KiB
C++
#include "prx/libSceLibreSsl/include/Api.hpp"
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#include "prx/libc/include/general/VabiMacros.hpp"
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#include <cstdio>
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#include <cstdlib>
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#include <stdexcept>
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struct Curve {
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int nid;
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int degree;
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int signatureSize;
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};
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static constexpr Curve Curves[] = {
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{409, 192, 56},
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{415, 256, 72},
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{711, 192, 56},
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{712, 224, 66},
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{713, 224, 64},
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{714, 256, 72},
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{715, 384, 104},
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{716, 521, 141},
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{928, 256, 72},
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{932, 384, 104},
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{934, 512, 137},
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};
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static constexpr int UnknownNids[] = {0, -1, 1, 406, 691, 746, 921, 937, 948, 100000};
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static void Require(bool value, const char* what) {
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if (value) return;
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std::fprintf(stderr, "failed: %s\n", what);
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std::abort();
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}
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template<typename TAction> static void RequireThrows(TAction action, const char* what) {
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try { action(); } catch (const std::exception&) { return; }
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Require(false, what);
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}
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static void CheckNamedCurves() {
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for (const Curve& curve : Curves) {
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EcGroup* group = EC_GROUP_new_by_curve_name_nid_postfix(curve.nid);
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Require(group != nullptr, "EC_GROUP_new_by_curve_name for a named curve");
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Require(EC_GROUP_get_degree_nid_postfix(group) == curve.degree, "EC_GROUP_get_degree");
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EcKey* key = EC_KEY_new_by_curve_name_nid_postfix(curve.nid);
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Require(key != nullptr, "EC_KEY_new_by_curve_name for a named curve");
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const EcGroup* keyGroup = EC_KEY_get0_group_nid_postfix(key);
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Require(keyGroup != nullptr && keyGroup != group, "EC_KEY_get0_group of a key made from a curve name");
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Require(EC_GROUP_get_degree_nid_postfix(keyGroup) == curve.degree, "degree of the key's group");
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Require(ECDSA_size_nid_postfix(key) == curve.signatureSize, "ECDSA_size");
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EC_KEY_free_nid_postfix(key);
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EC_GROUP_free_nid_postfix(group);
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}
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}
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static void CheckOtherNids() {
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for (const int nid : UnknownNids) {
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Require(EC_GROUP_new_by_curve_name_nid_postfix(nid) == nullptr, "EC_GROUP_new_by_curve_name for an unknown curve");
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Require(EC_KEY_new_by_curve_name_nid_postfix(nid) == nullptr, "EC_KEY_new_by_curve_name for an unknown curve");
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}
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}
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static void CheckSetGroup() {
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EcKey* key = EC_KEY_new_nid_postfix();
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Require(key != nullptr, "EC_KEY_new");
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Require(EC_KEY_get0_group_nid_postfix(key) == nullptr, "EC_KEY_new has no group");
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Require(ECDSA_size_nid_postfix(key) == 0, "ECDSA_size of a key without a group");
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EcGroup* group = EC_GROUP_new_by_curve_name_nid_postfix(715);
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Require(EC_KEY_set_group_nid_postfix(key, group) == 1, "EC_KEY_set_group");
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const EcGroup* copy = EC_KEY_get0_group_nid_postfix(key);
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Require(copy != nullptr && copy != group, "EC_KEY_set_group stores a copy");
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EC_GROUP_free_nid_postfix(group);
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Require(EC_GROUP_get_degree_nid_postfix(EC_KEY_get0_group_nid_postfix(key)) == 384, "the copy outlives the original group");
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Require(ECDSA_size_nid_postfix(key) == 104, "ECDSA_size after EC_KEY_set_group");
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Require(EC_KEY_set_group_nid_postfix(key, EC_KEY_get0_group_nid_postfix(key)) == 1, "EC_KEY_set_group with the key's own group");
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Require(EC_GROUP_get_degree_nid_postfix(EC_KEY_get0_group_nid_postfix(key)) == 384, "the key's own group set again");
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EcGroup* other = EC_GROUP_new_by_curve_name_nid_postfix(409);
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Require(EC_KEY_set_group_nid_postfix(key, other) == 1, "EC_KEY_set_group replacing a group");
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Require(EC_GROUP_get_degree_nid_postfix(EC_KEY_get0_group_nid_postfix(key)) == 192, "the replaced group");
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EC_GROUP_free_nid_postfix(other);
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Require(EC_KEY_set_group_nid_postfix(key, nullptr) == 0, "EC_KEY_set_group with a null group");
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Require(EC_KEY_get0_group_nid_postfix(key) == nullptr, "a null group drops the previous one");
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Require(ECDSA_size_nid_postfix(key) == 0, "ECDSA_size after a null group");
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EC_KEY_free_nid_postfix(key);
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}
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static void CheckNullArguments() {
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EC_GROUP_free_nid_postfix(nullptr);
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EC_KEY_free_nid_postfix(nullptr);
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Require(ECDSA_size_nid_postfix(nullptr) == 0, "ECDSA_size of a null key");
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RequireThrows([] { EC_GROUP_get_degree_nid_postfix(nullptr); }, "EC_GROUP_get_degree of a null group");
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RequireThrows([] { EC_KEY_get0_group_nid_postfix(nullptr); }, "EC_KEY_get0_group of a null key");
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EcGroup* group = EC_GROUP_new_by_curve_name_nid_postfix(415);
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RequireThrows([&] { EC_KEY_set_group_nid_postfix(nullptr, group); }, "EC_KEY_set_group of a null key");
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EC_GROUP_free_nid_postfix(group);
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}
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int main() {
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CheckNamedCurves();
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CheckOtherNids();
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CheckSetGroup();
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CheckNullArguments();
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return 0;
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}
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