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-rw-r--r--src/core/hle/service/nfp/amiibo_crypto.h106
1 files changed, 0 insertions, 106 deletions
diff --git a/src/core/hle/service/nfp/amiibo_crypto.h b/src/core/hle/service/nfp/amiibo_crypto.h
deleted file mode 100644
index f6208ee6b..000000000
--- a/src/core/hle/service/nfp/amiibo_crypto.h
+++ /dev/null
@@ -1,106 +0,0 @@
-// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#pragma once
-
-#include <array>
-
-#include "core/hle/service/nfp/nfp_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_be magic;
- std::array<u8, 0xE> padding;
- UniqueSerialNumber uid_1;
- u8 nintendo_id_1;
- UniqueSerialNumber uid_2;
- u8 nintendo_id_2;
- 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);
-
-/// Validates that the amiibo file is not corrupted
-bool IsAmiiboValid(const NTAG215File& 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);
-
-/// Returns true if key_retail.bin exist
-bool IsKeyAvailable();
-
-/// Decodes encrypted 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