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-rw-r--r--src/core/hw/aes/arithmetic128.cpp47
-rw-r--r--src/core/hw/aes/arithmetic128.h17
-rw-r--r--src/core/hw/aes/ccm.h40
-rw-r--r--src/core/hw/aes/key.cpp173
-rw-r--r--src/core/hw/aes/key.h37
5 files changed, 0 insertions, 314 deletions
diff --git a/src/core/hw/aes/arithmetic128.cpp b/src/core/hw/aes/arithmetic128.cpp
deleted file mode 100644
index 55b954a52..000000000
--- a/src/core/hw/aes/arithmetic128.cpp
+++ /dev/null
@@ -1,47 +0,0 @@
-// Copyright 2017 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <algorithm>
-#include <functional>
-#include "core/hw/aes/arithmetic128.h"
-
-namespace HW {
-namespace AES {
-
-AESKey Lrot128(const AESKey& in, u32 rot) {
- AESKey out;
- rot %= 128;
- const u32 byte_shift = rot / 8;
- const u32 bit_shift = rot % 8;
-
- for (u32 i = 0; i < 16; i++) {
- const u32 wrap_index_a = (i + byte_shift) % 16;
- const u32 wrap_index_b = (i + byte_shift + 1) % 16;
- out[i] = ((in[wrap_index_a] << bit_shift) | (in[wrap_index_b] >> (8 - bit_shift))) & 0xFF;
- }
- return out;
-}
-
-AESKey Add128(const AESKey& a, const AESKey& b) {
- AESKey out;
- u32 carry = 0;
- u32 sum = 0;
-
- for (int i = 15; i >= 0; i--) {
- sum = a[i] + b[i] + carry;
- carry = sum >> 8;
- out[i] = static_cast<u8>(sum & 0xff);
- }
-
- return out;
-}
-
-AESKey Xor128(const AESKey& a, const AESKey& b) {
- AESKey out;
- std::transform(a.cbegin(), a.cend(), b.cbegin(), out.begin(), std::bit_xor<>());
- return out;
-}
-
-} // namespace AES
-} // namespace HW
diff --git a/src/core/hw/aes/arithmetic128.h b/src/core/hw/aes/arithmetic128.h
deleted file mode 100644
index d670e2ce2..000000000
--- a/src/core/hw/aes/arithmetic128.h
+++ /dev/null
@@ -1,17 +0,0 @@
-// Copyright 2017 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include "common/common_types.h"
-#include "core/hw/aes/key.h"
-
-namespace HW {
-namespace AES {
-AESKey Lrot128(const AESKey& in, u32 rot);
-AESKey Add128(const AESKey& a, const AESKey& b);
-AESKey Xor128(const AESKey& a, const AESKey& b);
-
-} // namspace AES
-} // namespace HW
diff --git a/src/core/hw/aes/ccm.h b/src/core/hw/aes/ccm.h
deleted file mode 100644
index bf4146e80..000000000
--- a/src/core/hw/aes/ccm.h
+++ /dev/null
@@ -1,40 +0,0 @@
-// Copyright 2017 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <array>
-#include <cstddef>
-#include <vector>
-#include "common/common_types.h"
-
-namespace HW {
-namespace AES {
-
-constexpr size_t CCM_NONCE_SIZE = 12;
-constexpr size_t CCM_MAC_SIZE = 16;
-
-using CCMNonce = std::array<u8, CCM_NONCE_SIZE>;
-
-/**
- * Encrypts and adds a MAC to the given data using AES-CCM algorithm.
- * @param pdata The plain text data to encrypt
- * @param nonce The nonce data to use for encryption
- * @param slot_id The slot ID of the key to use for encryption
- * @returns a vector of u8 containing the encrypted data with MAC at the end
- */
-std::vector<u8> EncryptSignCCM(const std::vector<u8>& pdata, const CCMNonce& nonce, size_t slot_id);
-
-/**
- * Decrypts and verify the MAC of the given data using AES-CCM algorithm.
- * @param cipher The cipher text data to decrypt, with MAC at the end to verify
- * @param nonce The nonce data to use for decryption
- * @param slot_id The slot ID of the key to use for decryption
- * @returns a vector of u8 containing the decrypted data; an empty vector if the verification fails
- */
-std::vector<u8> DecryptVerifyCCM(const std::vector<u8>& cipher, const CCMNonce& nonce,
- size_t slot_id);
-
-} // namespace AES
-} // namespace HW
diff --git a/src/core/hw/aes/key.cpp b/src/core/hw/aes/key.cpp
deleted file mode 100644
index 4e8a8a59a..000000000
--- a/src/core/hw/aes/key.cpp
+++ /dev/null
@@ -1,173 +0,0 @@
-// Copyright 2017 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#include <algorithm>
-#include <exception>
-#include <sstream>
-#include <boost/optional.hpp>
-#include "common/common_paths.h"
-#include "common/file_util.h"
-#include "common/logging/log.h"
-#include "common/string_util.h"
-#include "core/hw/aes/arithmetic128.h"
-#include "core/hw/aes/key.h"
-
-namespace HW {
-namespace AES {
-
-namespace {
-
-boost::optional<AESKey> generator_constant;
-
-struct KeySlot {
- boost::optional<AESKey> x;
- boost::optional<AESKey> y;
- boost::optional<AESKey> normal;
-
- void SetKeyX(const AESKey& key) {
- x = key;
- if (y && generator_constant) {
- GenerateNormalKey();
- }
- }
-
- void SetKeyY(const AESKey& key) {
- y = key;
- if (x && generator_constant) {
- GenerateNormalKey();
- }
- }
-
- void SetNormalKey(const AESKey& key) {
- normal = key;
- }
-
- void GenerateNormalKey() {
- normal = Lrot128(Add128(Xor128(Lrot128(*x, 2), *y), *generator_constant), 87);
- }
-
- void Clear() {
- x.reset();
- y.reset();
- normal.reset();
- }
-};
-
-std::array<KeySlot, KeySlotID::MaxKeySlotID> key_slots;
-
-void ClearAllKeys() {
- for (KeySlot& slot : key_slots) {
- slot.Clear();
- }
- generator_constant.reset();
-}
-
-AESKey HexToKey(const std::string& hex) {
- if (hex.size() < 32) {
- throw std::invalid_argument("hex string is too short");
- }
-
- AESKey key;
- for (size_t i = 0; i < key.size(); ++i) {
- key[i] = static_cast<u8>(std::stoi(hex.substr(i * 2, 2), 0, 16));
- }
-
- return key;
-}
-
-void LoadPresetKeys() {
- const std::string filepath = FileUtil::GetUserPath(D_SYSDATA_IDX) + AES_KEYS;
- FileUtil::CreateFullPath(filepath); // Create path if not already created
- std::ifstream file;
- OpenFStream(file, filepath, std::ios_base::in);
- if (!file) {
- return;
- }
-
- while (!file.eof()) {
- std::string line;
- std::getline(file, line);
- std::vector<std::string> parts;
- Common::SplitString(line, '=', parts);
- if (parts.size() != 2) {
- LOG_ERROR(HW_AES, "Failed to parse %s", line.c_str());
- continue;
- }
-
- const std::string& name = parts[0];
- AESKey key;
- try {
- key = HexToKey(parts[1]);
- } catch (const std::logic_error& e) {
- LOG_ERROR(HW_AES, "Invalid key %s: %s", parts[1].c_str(), e.what());
- continue;
- }
-
- if (name == "generator") {
- generator_constant = key;
- continue;
- }
-
- size_t slot_id;
- char key_type;
- if (std::sscanf(name.c_str(), "slot0x%zXKey%c", &slot_id, &key_type) != 2) {
- LOG_ERROR(HW_AES, "Invalid key name %s", name.c_str());
- continue;
- }
-
- if (slot_id >= MaxKeySlotID) {
- LOG_ERROR(HW_AES, "Out of range slot ID 0x%zX", slot_id);
- continue;
- }
-
- switch (key_type) {
- case 'X':
- key_slots.at(slot_id).SetKeyX(key);
- break;
- case 'Y':
- key_slots.at(slot_id).SetKeyY(key);
- break;
- case 'N':
- key_slots.at(slot_id).SetNormalKey(key);
- break;
- default:
- LOG_ERROR(HW_AES, "Invalid key type %c", key_type);
- break;
- }
- }
-}
-
-} // namespace
-
-void InitKeys() {
- ClearAllKeys();
- LoadPresetKeys();
-}
-
-void SetGeneratorConstant(const AESKey& key) {
- generator_constant = key;
-}
-
-void SetKeyX(size_t slot_id, const AESKey& key) {
- key_slots.at(slot_id).SetKeyX(key);
-}
-
-void SetKeyY(size_t slot_id, const AESKey& key) {
- key_slots.at(slot_id).SetKeyY(key);
-}
-
-void SetNormalKey(size_t slot_id, const AESKey& key) {
- key_slots.at(slot_id).SetNormalKey(key);
-}
-
-bool IsNormalKeyAvailable(size_t slot_id) {
- return key_slots.at(slot_id).normal.is_initialized();
-}
-
-AESKey GetNormalKey(size_t slot_id) {
- return key_slots.at(slot_id).normal.value_or(AESKey{});
-}
-
-} // namespace AES
-} // namespace HW
diff --git a/src/core/hw/aes/key.h b/src/core/hw/aes/key.h
deleted file mode 100644
index c9f1342f4..000000000
--- a/src/core/hw/aes/key.h
+++ /dev/null
@@ -1,37 +0,0 @@
-// Copyright 2017 Citra Emulator Project
-// Licensed under GPLv2 or any later version
-// Refer to the license.txt file included.
-
-#pragma once
-
-#include <array>
-#include <cstddef>
-#include "common/common_types.h"
-
-namespace HW {
-namespace AES {
-
-enum KeySlotID : size_t {
- // AES Keyslot used to generate the UDS data frame CCMP key.
- UDSDataKey = 0x2D,
- APTWrap = 0x31,
-
- MaxKeySlotID = 0x40,
-};
-
-constexpr size_t AES_BLOCK_SIZE = 16;
-
-using AESKey = std::array<u8, AES_BLOCK_SIZE>;
-
-void InitKeys();
-
-void SetGeneratorConstant(const AESKey& key);
-void SetKeyX(size_t slot_id, const AESKey& key);
-void SetKeyY(size_t slot_id, const AESKey& key);
-void SetNormalKey(size_t slot_id, const AESKey& key);
-
-bool IsNormalKeyAvailable(size_t slot_id);
-AESKey GetNormalKey(size_t slot_id);
-
-} // namspace AES
-} // namespace HW
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