Atmosphere-libs/libstratosphere/include/stratosphere/gc/impl/gc_embedded_data_holder.hpp
2022-03-23 09:15:58 -07:00

60 lines
2.5 KiB
C++

/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <vapours.hpp>
#include <stratosphere/gc/impl/gc_gc_crypto.hpp>
namespace ams::gc::impl {
class EmbeddedDataHolder {
NON_COPYABLE(EmbeddedDataHolder);
NON_MOVEABLE(EmbeddedDataHolder);
friend class GcCrypto;
private:
struct ConcatenatedGcLibraryEmbeddedKeys {
u8 enc_hmac_key_for_cv[GcCrypto::GcHmacKeyLength];
u8 enc_hmac_key_for_key_and_iv[GcCrypto::GcHmacKeyLength];
u8 enc_cv_constant_value[GcCrypto::GcCvConstLength];
u8 enc_rsa_oaep_label_hash[GcCrypto::GcSha256HashLength];
};
static_assert(util::is_pod<ConcatenatedGcLibraryEmbeddedKeys>::value);
static_assert(sizeof(ConcatenatedGcLibraryEmbeddedKeys) == 0x70);
private:
static bool s_is_dev;
static const void *s_ca_public_exponent;
static const void *s_ca1_modulus;
static const void *s_ca9_modulus;
static const void *s_ca10_modulus;
static const void *s_ca10_certificate_modulus;
static const void *s_card_header_key;
private:
static constinit inline u8 s_titlekey_keks[GcCrypto::GcTitleKeyKekIndexMax][GcCrypto::GcAesKeyLength] = {};
public:
static Result SetLibraryEmbeddedKeys(bool is_dev = GcCrypto::CheckDevelopmentSpl());
static void SetLibraryTitleKeyKek(size_t kek_index, const void *kek, size_t kek_size) {
AMS_ASSERT(kek_index < GcCrypto::GcTitleKeyKekIndexMax);
AMS_ASSERT(kek_size == GcCrypto::GcAesKeyLength);
AMS_UNUSED(kek_size);
std::memcpy(s_titlekey_keks[kek_index], kek, sizeof(s_titlekey_keks[kek_index]));
}
private:
static Result DecryptoEmbeddedKeys(ConcatenatedGcLibraryEmbeddedKeys *out, size_t out_size, bool is_dev = GcCrypto::CheckDevelopmentSpl());
};
}