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mirror of https://github.com/Laupetin/OpenAssetTools.git synced 2025-09-03 23:37:26 +00:00

chore: dump fastfile data when xenon t6 fastfile is detected

This commit is contained in:
Jan Laupetin
2025-08-19 13:22:39 +02:00
parent facb95f1cb
commit 802b0f244a
19 changed files with 226 additions and 152 deletions

View File

@@ -1,40 +1,22 @@
#pragma once
#include "Cryptography.h"
#include "Utils/ClassUtils.h"
#include "Utils/ICapturedDataProvider.h"
#include <cstdint>
#include <memory>
#include <string>
#include <vector>
class Salsa20StreamContext
{
public:
std::unique_ptr<cryptography::IStreamCipher> m_salsa20;
std::unique_ptr<cryptography::IHashFunction> m_sha1;
};
class AbstractSalsa20Processor : public ICapturedDataProvider
{
protected:
static constexpr int BLOCK_HASHES_COUNT = 200;
static constexpr int SHA1_HASH_SIZE = 20;
static constexpr int SALSA20_IV_SIZE = 8;
class StreamContext
{
public:
std::unique_ptr<cryptography::IStreamCipher> m_salsa20;
std::unique_ptr<cryptography::IHashFunction> m_sha1;
};
int m_stream_count;
std::unique_ptr<StreamContext[]> m_stream_contexts;
// m_block_hashes[BLOCK_HASHES_COUNT][numStreams][HASH_SIZE]
std::unique_ptr<uint8_t[]> m_block_hashes;
std::unique_ptr<unsigned int[]> m_stream_block_indices;
AbstractSalsa20Processor(int streamCount, const std::string& zoneName, const uint8_t* salsa20Key, size_t keySize);
_NODISCARD uint8_t* GetHashBlock(int streamNumber) const;
void InitStreams(const std::string& zoneName, const uint8_t* salsa20Key, size_t keySize) const;
public:
virtual ~AbstractSalsa20Processor() = default;
AbstractSalsa20Processor(const AbstractSalsa20Processor& other) = delete;
@@ -43,4 +25,21 @@ public:
AbstractSalsa20Processor& operator=(AbstractSalsa20Processor&& other) noexcept = default;
void GetCapturedData(const uint8_t** pCapturedData, size_t* pSize) override;
protected:
static constexpr auto BLOCK_HASHES_COUNT = 200u;
static constexpr auto SHA1_HASH_SIZE = 20u;
static constexpr auto SALSA20_IV_SIZE = 8u;
AbstractSalsa20Processor(unsigned streamCount, const std::string& zoneName, const uint8_t* salsa20Key, unsigned keySize);
void InitStreams(const std::string& zoneName, const uint8_t* salsa20Key, size_t keySize);
[[nodiscard]] uint8_t* GetHashBlock(unsigned streamNumber);
unsigned m_stream_count;
std::vector<Salsa20StreamContext> m_stream_contexts;
// m_block_hashes[BLOCK_HASHES_COUNT][numStreams][SHA1_HASH_SIZE]
std::vector<uint8_t> m_block_hashes;
std::vector<unsigned int> m_stream_block_indices;
};