mirror of https://git.suyu.dev/suyu/suyu
Merge pull request #8827 from german77/amiibo_release
core: nfp: Implement amiibo encryptionmerge-requests/60/head
bunnei
GitHub
commit
7172339c7a
@ -0,0 +1,383 @@
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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-3.0-or-later
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// SPDX-FileCopyrightText: Copyright 2017 socram8888/amiitool
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// SPDX-License-Identifier: MIT
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#include <array>
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#include <mbedtls/aes.h>
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#include <mbedtls/hmac_drbg.h>
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#include "common/fs/file.h"
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#include "common/fs/path_util.h"
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#include "common/logging/log.h"
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#include "core/hle/service/mii/mii_manager.h"
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#include "core/hle/service/nfp/amiibo_crypto.h"
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namespace Service::NFP::AmiiboCrypto {
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bool IsAmiiboValid(const EncryptedNTAG215File& ntag_file) {
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const auto& amiibo_data = ntag_file.user_memory;
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LOG_DEBUG(Service_NFP, "uuid_lock=0x{0:x}", ntag_file.static_lock);
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LOG_DEBUG(Service_NFP, "compability_container=0x{0:x}", ntag_file.compability_container);
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LOG_INFO(Service_NFP, "write_count={}", amiibo_data.write_counter);
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LOG_INFO(Service_NFP, "character_id=0x{0:x}", amiibo_data.model_info.character_id);
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LOG_INFO(Service_NFP, "character_variant={}", amiibo_data.model_info.character_variant);
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LOG_INFO(Service_NFP, "amiibo_type={}", amiibo_data.model_info.amiibo_type);
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LOG_INFO(Service_NFP, "model_number=0x{0:x}", amiibo_data.model_info.model_number);
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LOG_INFO(Service_NFP, "series={}", amiibo_data.model_info.series);
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LOG_DEBUG(Service_NFP, "fixed_value=0x{0:x}", amiibo_data.model_info.constant_value);
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LOG_DEBUG(Service_NFP, "tag_dynamic_lock=0x{0:x}", ntag_file.dynamic_lock);
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LOG_DEBUG(Service_NFP, "tag_CFG0=0x{0:x}", ntag_file.CFG0);
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LOG_DEBUG(Service_NFP, "tag_CFG1=0x{0:x}", ntag_file.CFG1);
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// Validate UUID
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constexpr u8 CT = 0x88; // As defined in `ISO / IEC 14443 - 3`
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if ((CT ^ ntag_file.uuid[0] ^ ntag_file.uuid[1] ^ ntag_file.uuid[2]) != ntag_file.uuid[3]) {
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return false;
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}
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if ((ntag_file.uuid[4] ^ ntag_file.uuid[5] ^ ntag_file.uuid[6] ^ ntag_file.uuid[7]) !=
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ntag_file.uuid[8]) {
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return false;
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}
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// Check against all know constants on an amiibo binary
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if (ntag_file.static_lock != 0xE00F) {
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return false;
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}
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if (ntag_file.compability_container != 0xEEFF10F1U) {
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return false;
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}
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if (amiibo_data.constant_value != 0xA5) {
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return false;
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}
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if (amiibo_data.model_info.constant_value != 0x02) {
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return false;
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}
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// dynamic_lock value apparently is not constant
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// ntag_file.dynamic_lock == 0x0F0001
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if (ntag_file.CFG0 != 0x04000000U) {
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return false;
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}
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if (ntag_file.CFG1 != 0x5F) {
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return false;
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}
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return true;
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}
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NTAG215File NfcDataToEncodedData(const EncryptedNTAG215File& nfc_data) {
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NTAG215File encoded_data{};
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memcpy(encoded_data.uuid2.data(), nfc_data.uuid.data() + 0x8, sizeof(encoded_data.uuid2));
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encoded_data.static_lock = nfc_data.static_lock;
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encoded_data.compability_container = nfc_data.compability_container;
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encoded_data.hmac_data = nfc_data.user_memory.hmac_data;
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encoded_data.constant_value = nfc_data.user_memory.constant_value;
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encoded_data.write_counter = nfc_data.user_memory.write_counter;
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encoded_data.settings = nfc_data.user_memory.settings;
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encoded_data.owner_mii = nfc_data.user_memory.owner_mii;
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encoded_data.title_id = nfc_data.user_memory.title_id;
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encoded_data.applicaton_write_counter = nfc_data.user_memory.applicaton_write_counter;
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encoded_data.application_area_id = nfc_data.user_memory.application_area_id;
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encoded_data.unknown = nfc_data.user_memory.unknown;
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encoded_data.hash = nfc_data.user_memory.hash;
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encoded_data.application_area = nfc_data.user_memory.application_area;
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encoded_data.hmac_tag = nfc_data.user_memory.hmac_tag;
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memcpy(encoded_data.uuid.data(), nfc_data.uuid.data(), sizeof(encoded_data.uuid));
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encoded_data.model_info = nfc_data.user_memory.model_info;
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encoded_data.keygen_salt = nfc_data.user_memory.keygen_salt;
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encoded_data.dynamic_lock = nfc_data.dynamic_lock;
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encoded_data.CFG0 = nfc_data.CFG0;
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encoded_data.CFG1 = nfc_data.CFG1;
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encoded_data.password = nfc_data.password;
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return encoded_data;
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}
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EncryptedNTAG215File EncodedDataToNfcData(const NTAG215File& encoded_data) {
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EncryptedNTAG215File nfc_data{};
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memcpy(nfc_data.uuid.data() + 0x8, encoded_data.uuid2.data(), sizeof(encoded_data.uuid2));
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memcpy(nfc_data.uuid.data(), encoded_data.uuid.data(), sizeof(encoded_data.uuid));
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nfc_data.static_lock = encoded_data.static_lock;
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nfc_data.compability_container = encoded_data.compability_container;
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nfc_data.user_memory.hmac_data = encoded_data.hmac_data;
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nfc_data.user_memory.constant_value = encoded_data.constant_value;
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nfc_data.user_memory.write_counter = encoded_data.write_counter;
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nfc_data.user_memory.settings = encoded_data.settings;
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nfc_data.user_memory.owner_mii = encoded_data.owner_mii;
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nfc_data.user_memory.title_id = encoded_data.title_id;
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nfc_data.user_memory.applicaton_write_counter = encoded_data.applicaton_write_counter;
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nfc_data.user_memory.application_area_id = encoded_data.application_area_id;
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nfc_data.user_memory.unknown = encoded_data.unknown;
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nfc_data.user_memory.hash = encoded_data.hash;
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nfc_data.user_memory.application_area = encoded_data.application_area;
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nfc_data.user_memory.hmac_tag = encoded_data.hmac_tag;
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nfc_data.user_memory.model_info = encoded_data.model_info;
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nfc_data.user_memory.keygen_salt = encoded_data.keygen_salt;
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nfc_data.dynamic_lock = encoded_data.dynamic_lock;
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nfc_data.CFG0 = encoded_data.CFG0;
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nfc_data.CFG1 = encoded_data.CFG1;
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nfc_data.password = encoded_data.password;
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return nfc_data;
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}
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u32 GetTagPassword(const TagUuid& uuid) {
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// Verifiy that the generated password is correct
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u32 password = 0xAA ^ (uuid[1] ^ uuid[3]);
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password &= (0x55 ^ (uuid[2] ^ uuid[4])) << 8;
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password &= (0xAA ^ (uuid[3] ^ uuid[5])) << 16;
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password &= (0x55 ^ (uuid[4] ^ uuid[6])) << 24;
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return password;
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}
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HashSeed GetSeed(const NTAG215File& data) {
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HashSeed seed{
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.magic = data.write_counter,
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.padding = {},
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.uuid1 = {},
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.uuid2 = {},
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.keygen_salt = data.keygen_salt,
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};
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// Copy the first 8 bytes of uuid
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memcpy(seed.uuid1.data(), data.uuid.data(), sizeof(seed.uuid1));
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memcpy(seed.uuid2.data(), data.uuid.data(), sizeof(seed.uuid2));
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return seed;
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}
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std::vector<u8> GenerateInternalKey(const InternalKey& key, const HashSeed& seed) {
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const std::size_t seedPart1Len = sizeof(key.magic_bytes) - key.magic_length;
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const std::size_t string_size = key.type_string.size();
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std::vector<u8> output(string_size + seedPart1Len);
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// Copy whole type string
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memccpy(output.data(), key.type_string.data(), '\0', string_size);
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// Append (16 - magic_length) from the input seed
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memcpy(output.data() + string_size, &seed, seedPart1Len);
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// Append all bytes from magicBytes
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output.insert(output.end(), key.magic_bytes.begin(),
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key.magic_bytes.begin() + key.magic_length);
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output.insert(output.end(), seed.uuid1.begin(), seed.uuid1.end());
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output.insert(output.end(), seed.uuid2.begin(), seed.uuid2.end());
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for (std::size_t i = 0; i < sizeof(seed.keygen_salt); i++) {
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output.emplace_back(static_cast<u8>(seed.keygen_salt[i] ^ key.xor_pad[i]));
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}
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return output;
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}
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void CryptoInit(CryptoCtx& ctx, mbedtls_md_context_t& hmac_ctx, const HmacKey& hmac_key,
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const std::vector<u8>& seed) {
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// Initialize context
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ctx.used = false;
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ctx.counter = 0;
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ctx.buffer_size = sizeof(ctx.counter) + seed.size();
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memcpy(ctx.buffer.data() + sizeof(u16), seed.data(), seed.size());
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// Initialize HMAC context
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mbedtls_md_init(&hmac_ctx);
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mbedtls_md_setup(&hmac_ctx, mbedtls_md_info_from_type(MBEDTLS_MD_SHA256), 1);
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mbedtls_md_hmac_starts(&hmac_ctx, hmac_key.data(), hmac_key.size());
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}
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void CryptoStep(CryptoCtx& ctx, mbedtls_md_context_t& hmac_ctx, DrgbOutput& output) {
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// If used at least once, reinitialize the HMAC
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if (ctx.used) {
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mbedtls_md_hmac_reset(&hmac_ctx);
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}
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ctx.used = true;
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// Store counter in big endian, and increment it
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ctx.buffer[0] = static_cast<u8>(ctx.counter >> 8);
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ctx.buffer[1] = static_cast<u8>(ctx.counter >> 0);
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ctx.counter++;
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// Do HMAC magic
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mbedtls_md_hmac_update(&hmac_ctx, reinterpret_cast<const unsigned char*>(ctx.buffer.data()),
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ctx.buffer_size);
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mbedtls_md_hmac_finish(&hmac_ctx, output.data());
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}
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DerivedKeys GenerateKey(const InternalKey& key, const NTAG215File& data) {
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const auto seed = GetSeed(data);
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// Generate internal seed
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const std::vector<u8> internal_key = GenerateInternalKey(key, seed);
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// Initialize context
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CryptoCtx ctx{};
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mbedtls_md_context_t hmac_ctx;
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CryptoInit(ctx, hmac_ctx, key.hmac_key, internal_key);
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// Generate derived keys
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DerivedKeys derived_keys{};
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std::array<DrgbOutput, 2> temp{};
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CryptoStep(ctx, hmac_ctx, temp[0]);
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CryptoStep(ctx, hmac_ctx, temp[1]);
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memcpy(&derived_keys, temp.data(), sizeof(DerivedKeys));
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// Cleanup context
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mbedtls_md_free(&hmac_ctx);
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return derived_keys;
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}
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void Cipher(const DerivedKeys& keys, const NTAG215File& in_data, NTAG215File& out_data) {
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mbedtls_aes_context aes;
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std::size_t nc_off = 0;
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std::array<u8, sizeof(keys.aes_iv)> nonce_counter{};
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std::array<u8, sizeof(keys.aes_iv)> stream_block{};
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const auto aes_key_size = static_cast<u32>(keys.aes_key.size() * 8);
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mbedtls_aes_setkey_enc(&aes, keys.aes_key.data(), aes_key_size);
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memcpy(nonce_counter.data(), keys.aes_iv.data(), sizeof(keys.aes_iv));
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constexpr std::size_t encrypted_data_size = HMAC_TAG_START - SETTINGS_START;
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mbedtls_aes_crypt_ctr(&aes, encrypted_data_size, &nc_off, nonce_counter.data(),
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stream_block.data(),
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reinterpret_cast<const unsigned char*>(&in_data.settings),
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reinterpret_cast<unsigned char*>(&out_data.settings));
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// Copy the rest of the data directly
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out_data.uuid2 = in_data.uuid2;
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out_data.static_lock = in_data.static_lock;
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out_data.compability_container = in_data.compability_container;
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out_data.constant_value = in_data.constant_value;
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out_data.write_counter = in_data.write_counter;
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out_data.uuid = in_data.uuid;
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out_data.model_info = in_data.model_info;
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out_data.keygen_salt = in_data.keygen_salt;
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out_data.dynamic_lock = in_data.dynamic_lock;
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out_data.CFG0 = in_data.CFG0;
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out_data.CFG1 = in_data.CFG1;
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out_data.password = in_data.password;
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}
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bool LoadKeys(InternalKey& locked_secret, InternalKey& unfixed_info) {
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const auto yuzu_keys_dir = Common::FS::GetYuzuPath(Common::FS::YuzuPath::KeysDir);
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const Common::FS::IOFile keys_file{yuzu_keys_dir / "key_retail.bin",
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Common::FS::FileAccessMode::Read,
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Common::FS::FileType::BinaryFile};
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if (!keys_file.IsOpen()) {
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LOG_ERROR(Service_NFP, "No keys detected");
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return false;
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}
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if (keys_file.Read(unfixed_info) != 1) {
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LOG_ERROR(Service_NFP, "Failed to read unfixed_info");
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return false;
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}
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if (keys_file.Read(locked_secret) != 1) {
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LOG_ERROR(Service_NFP, "Failed to read locked-secret");
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return false;
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}
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return true;
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}
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bool DecodeAmiibo(const EncryptedNTAG215File& encrypted_tag_data, NTAG215File& tag_data) {
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InternalKey locked_secret{};
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InternalKey unfixed_info{};
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if (!LoadKeys(locked_secret, unfixed_info)) {
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return false;
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}
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// Generate keys
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NTAG215File encoded_data = NfcDataToEncodedData(encrypted_tag_data);
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const auto data_keys = GenerateKey(unfixed_info, encoded_data);
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const auto tag_keys = GenerateKey(locked_secret, encoded_data);
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// Decrypt
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Cipher(data_keys, encoded_data, tag_data);
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// Regenerate tag HMAC. Note: order matters, data HMAC depends on tag HMAC!
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constexpr std::size_t input_length = DYNAMIC_LOCK_START - UUID_START;
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mbedtls_md_hmac(mbedtls_md_info_from_type(MBEDTLS_MD_SHA256), tag_keys.hmac_key.data(),
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sizeof(HmacKey), reinterpret_cast<const unsigned char*>(&tag_data.uuid),
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input_length, reinterpret_cast<unsigned char*>(&tag_data.hmac_tag));
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// Regenerate data HMAC
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constexpr std::size_t input_length2 = DYNAMIC_LOCK_START - WRITE_COUNTER_START;
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mbedtls_md_hmac(mbedtls_md_info_from_type(MBEDTLS_MD_SHA256), data_keys.hmac_key.data(),
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sizeof(HmacKey),
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reinterpret_cast<const unsigned char*>(&tag_data.write_counter), input_length2,
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reinterpret_cast<unsigned char*>(&tag_data.hmac_data));
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if (tag_data.hmac_data != encrypted_tag_data.user_memory.hmac_data) {
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LOG_ERROR(Service_NFP, "hmac_data doesn't match");
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return false;
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}
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if (tag_data.hmac_tag != encrypted_tag_data.user_memory.hmac_tag) {
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LOG_ERROR(Service_NFP, "hmac_tag doesn't match");
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return false;
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}
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return true;
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}
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bool EncodeAmiibo(const NTAG215File& tag_data, EncryptedNTAG215File& encrypted_tag_data) {
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InternalKey locked_secret{};
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InternalKey unfixed_info{};
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if (!LoadKeys(locked_secret, unfixed_info)) {
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return false;
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}
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// Generate keys
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const auto data_keys = GenerateKey(unfixed_info, tag_data);
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const auto tag_keys = GenerateKey(locked_secret, tag_data);
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NTAG215File encoded_tag_data{};
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// Generate tag HMAC
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constexpr std::size_t input_length = DYNAMIC_LOCK_START - UUID_START;
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constexpr std::size_t input_length2 = HMAC_TAG_START - WRITE_COUNTER_START;
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mbedtls_md_hmac(mbedtls_md_info_from_type(MBEDTLS_MD_SHA256), tag_keys.hmac_key.data(),
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sizeof(HmacKey), reinterpret_cast<const unsigned char*>(&tag_data.uuid),
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input_length, reinterpret_cast<unsigned char*>(&encoded_tag_data.hmac_tag));
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// Init mbedtls HMAC context
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mbedtls_md_context_t ctx;
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mbedtls_md_init(&ctx);
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mbedtls_md_setup(&ctx, mbedtls_md_info_from_type(MBEDTLS_MD_SHA256), 1);
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// Generate data HMAC
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mbedtls_md_hmac_starts(&ctx, data_keys.hmac_key.data(), sizeof(HmacKey));
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mbedtls_md_hmac_update(&ctx, reinterpret_cast<const unsigned char*>(&tag_data.write_counter),
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input_length2); // Data
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mbedtls_md_hmac_update(&ctx, reinterpret_cast<unsigned char*>(&encoded_tag_data.hmac_tag),
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sizeof(HashData)); // Tag HMAC
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mbedtls_md_hmac_update(&ctx, reinterpret_cast<const unsigned char*>(&tag_data.uuid),
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input_length);
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mbedtls_md_hmac_finish(&ctx, reinterpret_cast<unsigned char*>(&encoded_tag_data.hmac_data));
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// HMAC cleanup
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mbedtls_md_free(&ctx);
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// Encrypt
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Cipher(data_keys, tag_data, encoded_tag_data);
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// Convert back to hardware
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encrypted_tag_data = EncodedDataToNfcData(encoded_tag_data);
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return true;
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}
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} // namespace Service::NFP::AmiiboCrypto
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@ -0,0 +1,98 @@
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// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-3.0-or-later
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <array>
|
||||
|
||||
#include "core/hle/service/nfp/amiibo_types.h"
|
||||
|
||||
struct mbedtls_md_context_t;
|
||||
|
||||
namespace Service::NFP::AmiiboCrypto {
|
||||
// Byte locations in Service::NFP::NTAG215File
|
||||
constexpr std::size_t HMAC_DATA_START = 0x8;
|
||||
constexpr std::size_t SETTINGS_START = 0x2c;
|
||||
constexpr std::size_t WRITE_COUNTER_START = 0x29;
|
||||
constexpr std::size_t HMAC_TAG_START = 0x1B4;
|
||||
constexpr std::size_t UUID_START = 0x1D4;
|
||||
constexpr std::size_t DYNAMIC_LOCK_START = 0x208;
|
||||
|
||||
using HmacKey = std::array<u8, 0x10>;
|
||||
using DrgbOutput = std::array<u8, 0x20>;
|
||||
|
||||
struct HashSeed {
|
||||
u16 magic;
|
||||
std::array<u8, 0xE> padding;
|
||||
std::array<u8, 0x8> uuid1;
|
||||
std::array<u8, 0x8> uuid2;
|
||||
std::array<u8, 0x20> keygen_salt;
|
||||
};
|
||||
static_assert(sizeof(HashSeed) == 0x40, "HashSeed is an invalid size");
|
||||
|
||||
struct InternalKey {
|
||||
HmacKey hmac_key;
|
||||
std::array<char, 0xE> type_string;
|
||||
u8 reserved;
|
||||
u8 magic_length;
|
||||
std::array<u8, 0x10> magic_bytes;
|
||||
std::array<u8, 0x20> xor_pad;
|
||||
};
|
||||
static_assert(sizeof(InternalKey) == 0x50, "InternalKey is an invalid size");
|
||||
static_assert(std::is_trivially_copyable_v<InternalKey>, "InternalKey must be trivially copyable.");
|
||||
|
||||
struct CryptoCtx {
|
||||
std::array<char, 480> buffer;
|
||||
bool used;
|
||||
std::size_t buffer_size;
|
||||
s16 counter;
|
||||
};
|
||||
|
||||
struct DerivedKeys {
|
||||
std::array<u8, 0x10> aes_key;
|
||||
std::array<u8, 0x10> aes_iv;
|
||||
std::array<u8, 0x10> hmac_key;
|
||||
};
|
||||
static_assert(sizeof(DerivedKeys) == 0x30, "DerivedKeys is an invalid size");
|
||||
|
||||
/// Validates that the amiibo file is not corrupted
|
||||
bool IsAmiiboValid(const EncryptedNTAG215File& ntag_file);
|
||||
|
||||
/// Converts from encrypted file format to encoded file format
|
||||
NTAG215File NfcDataToEncodedData(const EncryptedNTAG215File& nfc_data);
|
||||
|
||||
/// Converts from encoded file format to encrypted file format
|
||||
EncryptedNTAG215File EncodedDataToNfcData(const NTAG215File& encoded_data);
|
||||
|
||||
/// Returns password needed to allow write access to protected memory
|
||||
u32 GetTagPassword(const TagUuid& uuid);
|
||||
|
||||
// Generates Seed needed for key derivation
|
||||
HashSeed GetSeed(const NTAG215File& data);
|
||||
|
||||
// Middle step on the generation of derived keys
|
||||
std::vector<u8> GenerateInternalKey(const InternalKey& key, const HashSeed& seed);
|
||||
|
||||
// Initializes mbedtls context
|
||||
void CryptoInit(CryptoCtx& ctx, mbedtls_md_context_t& hmac_ctx, const HmacKey& hmac_key,
|
||||
const std::vector<u8>& seed);
|
||||
|
||||
// Feeds data to mbedtls context to generate the derived key
|
||||
void CryptoStep(CryptoCtx& ctx, mbedtls_md_context_t& hmac_ctx, DrgbOutput& output);
|
||||
|
||||
// Generates the derived key from amiibo data
|
||||
DerivedKeys GenerateKey(const InternalKey& key, const NTAG215File& data);
|
||||
|
||||
// Encodes or decodes amiibo data
|
||||
void Cipher(const DerivedKeys& keys, const NTAG215File& in_data, NTAG215File& out_data);
|
||||
|
||||
/// Loads both amiibo keys from key_retail.bin
|
||||
bool LoadKeys(InternalKey& locked_secret, InternalKey& unfixed_info);
|
||||
|
||||
/// Decodes encripted amiibo data returns true if output is valid
|
||||
bool DecodeAmiibo(const EncryptedNTAG215File& encrypted_tag_data, NTAG215File& tag_data);
|
||||
|
||||
/// Encodes plain amiibo data returns true if output is valid
|
||||
bool EncodeAmiibo(const NTAG215File& tag_data, EncryptedNTAG215File& encrypted_tag_data);
|
||||
|
||||
} // namespace Service::NFP::AmiiboCrypto
|
||||
@ -0,0 +1,197 @@
|
||||
// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
|
||||
// SPDX-License-Identifier: GPL-3.0-or-later
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <array>
|
||||
|
||||
#include "core/hle/service/mii/types.h"
|
||||
|
||||
namespace Service::NFP {
|
||||
static constexpr std::size_t amiibo_name_length = 0xA;
|
||||
|
||||
enum class ServiceType : u32 {
|
||||
User,
|
||||
Debug,
|
||||
System,
|
||||
};
|
||||
|
||||
enum class State : u32 {
|
||||
NonInitialized,
|
||||
Initialized,
|
||||
};
|
||||
|
||||
enum class DeviceState : u32 {
|
||||
Initialized,
|
||||
SearchingForTag,
|
||||
TagFound,
|
||||
TagRemoved,
|
||||
TagMounted,
|
||||
Unaviable,
|
||||
Finalized,
|
||||
};
|
||||
|
||||
enum class ModelType : u32 {
|
||||
Amiibo,
|
||||
};
|
||||
|
||||
enum class MountTarget : u32 {
|
||||
Rom,
|
||||
Ram,
|
||||
All,
|
||||
};
|
||||
|
||||
enum class AmiiboType : u8 {
|
||||
Figure,
|
||||
Card,
|
||||
Yarn,
|
||||
};
|
||||
|
||||
enum class AmiiboSeries : u8 {
|
||||
SuperSmashBros,
|
||||
SuperMario,
|
||||
ChibiRobo,
|
||||
YoshiWoollyWorld,
|
||||
Splatoon,
|
||||
AnimalCrossing,
|
||||
EightBitMario,
|
||||
Skylanders,
|
||||
Unknown8,
|
||||
TheLegendOfZelda,
|
||||
ShovelKnight,
|
||||
Unknown11,
|
||||
Kiby,
|
||||
Pokemon,
|
||||
MarioSportsSuperstars,
|
||||
MonsterHunter,
|
||||
BoxBoy,
|
||||
Pikmin,
|
||||
FireEmblem,
|
||||
Metroid,
|
||||
Others,
|
||||
MegaMan,
|
||||
Diablo,
|
||||
};
|
||||
|
||||
using TagUuid = std::array<u8, 10>;
|
||||
using HashData = std::array<u8, 0x20>;
|
||||
using ApplicationArea = std::array<u8, 0xD8>;
|
||||
|
||||
struct AmiiboDate {
|
||||
u16 raw_date{};
|
||||
|
||||
u16 GetYear() const {
|
||||
return static_cast<u16>(((raw_date & 0xFE00) >> 9) + 2000);
|
||||
}
|
||||
u8 GetMonth() const {
|
||||
return static_cast<u8>(((raw_date & 0x01E0) >> 5) - 1);
|
||||
}
|
||||
u8 GetDay() const {
|
||||
return static_cast<u8>(raw_date & 0x001F);
|
||||
}
|
||||
};
|
||||
static_assert(sizeof(AmiiboDate) == 2, "AmiiboDate is an invalid size");
|
||||
|
||||
struct Settings {
|
||||
union {
|
||||
u8 raw{};
|
||||
|
||||
BitField<4, 1, u8> amiibo_initialized;
|
||||
BitField<5, 1, u8> appdata_initialized;
|
||||
};
|
||||
};
|
||||
static_assert(sizeof(Settings) == 1, "AmiiboDate is an invalid size");
|
||||
|
||||
struct AmiiboSettings {
|
||||
Settings settings;
|
||||
u8 country_code_id;
|
||||
u16_be crc_counter; // Incremented each time crc is changed
|
||||
AmiiboDate init_date;
|
||||
AmiiboDate write_date;
|
||||
u32_be crc;
|
||||
std::array<u16_be, amiibo_name_length> amiibo_name; // UTF-16 text
|
||||
};
|
||||
static_assert(sizeof(AmiiboSettings) == 0x20, "AmiiboSettings is an invalid size");
|
||||
|
||||
struct AmiiboModelInfo {
|
||||
u16 character_id;
|
||||
u8 character_variant;
|
||||
AmiiboType amiibo_type;
|
||||
u16 model_number;
|
||||
AmiiboSeries series;
|
||||
u8 constant_value; // Must be 02
|
||||
INSERT_PADDING_BYTES(0x4); // Unknown
|
||||
};
|
||||
static_assert(sizeof(AmiiboModelInfo) == 0xC, "AmiiboModelInfo is an invalid size");
|
||||
|
||||
struct NTAG215Password {
|
||||
u32 PWD; // Password to allow write access
|
||||
u16 PACK; // Password acknowledge reply
|
||||
u16 RFUI; // Reserved for future use
|
||||
};
|
||||
static_assert(sizeof(NTAG215Password) == 0x8, "NTAG215Password is an invalid size");
|
||||
|
||||
#pragma pack(1)
|
||||
struct EncryptedAmiiboFile {
|
||||
u8 constant_value; // Must be A5
|
||||
u16 write_counter; // Number of times the amiibo has been written?
|
||||
INSERT_PADDING_BYTES(0x1); // Unknown 1
|
||||
AmiiboSettings settings; // Encrypted amiibo settings
|
||||
HashData hmac_tag; // Hash
|
||||
AmiiboModelInfo model_info; // Encrypted amiibo model info
|
||||
HashData keygen_salt; // Salt
|
||||
HashData hmac_data; // Hash
|
||||
Service::Mii::Ver3StoreData owner_mii; // Encrypted Mii data
|
||||
u64_be title_id; // Encrypted Game id
|
||||
u16_be applicaton_write_counter; // Encrypted Counter
|
||||
u32_be application_area_id; // Encrypted Game id
|
||||
std::array<u8, 0x2> unknown;
|
||||
HashData hash; // Probably a SHA256-HMAC hash?
|
||||
ApplicationArea application_area; // Encrypted Game data
|
||||
};
|
||||
static_assert(sizeof(EncryptedAmiiboFile) == 0x1F8, "AmiiboFile is an invalid size");
|
||||
|
||||
struct NTAG215File {
|
||||
std::array<u8, 0x2> uuid2;
|
||||
u16 static_lock; // Set defined pages as read only
|
||||
u32 compability_container; // Defines available memory
|
||||
HashData hmac_data; // Hash
|
||||
u8 constant_value; // Must be A5
|
||||
u16 write_counter; // Number of times the amiibo has been written?
|
||||
INSERT_PADDING_BYTES(0x1); // Unknown 1
|
||||
AmiiboSettings settings;
|
||||
Service::Mii::Ver3StoreData owner_mii; // Encrypted Mii data
|
||||
u64_be title_id;
|
||||
u16_be applicaton_write_counter; // Encrypted Counter
|
||||
u32_be application_area_id;
|
||||
std::array<u8, 0x2> unknown;
|
||||
HashData hash; // Probably a SHA256-HMAC hash?
|
||||
ApplicationArea application_area; // Encrypted Game data
|
||||
HashData hmac_tag; // Hash
|
||||
std::array<u8, 0x8> uuid;
|
||||
AmiiboModelInfo model_info;
|
||||
HashData keygen_salt; // Salt
|
||||
u32 dynamic_lock; // Dynamic lock
|
||||
u32 CFG0; // Defines memory protected by password
|
||||
u32 CFG1; // Defines number of verification attempts
|
||||
NTAG215Password password; // Password data
|
||||
};
|
||||
static_assert(sizeof(NTAG215File) == 0x21C, "NTAG215File is an invalid size");
|
||||
static_assert(std::is_trivially_copyable_v<NTAG215File>, "NTAG215File must be trivially copyable.");
|
||||
#pragma pack()
|
||||
|
||||
struct EncryptedNTAG215File {
|
||||
TagUuid uuid; // Unique serial number
|
||||
u16 static_lock; // Set defined pages as read only
|
||||
u32 compability_container; // Defines available memory
|
||||
EncryptedAmiiboFile user_memory; // Writable data
|
||||
u32 dynamic_lock; // Dynamic lock
|
||||
u32 CFG0; // Defines memory protected by password
|
||||
u32 CFG1; // Defines number of verification attempts
|
||||
NTAG215Password password; // Password data
|
||||
};
|
||||
static_assert(sizeof(EncryptedNTAG215File) == 0x21C, "EncryptedNTAG215File is an invalid size");
|
||||
static_assert(std::is_trivially_copyable_v<EncryptedNTAG215File>,
|
||||
"EncryptedNTAG215File must be trivially copyable.");
|
||||
|
||||
} // namespace Service::NFP
|
||||
Loading…
Reference in New Issue