mirror of
https://github.com/AbishekPonmudi/Dynloader
synced 2026-07-15 03:39:09 +00:00
(Havox)
33 lines
1.2 KiB
C++
33 lines
1.2 KiB
C++
#pragma once
|
|
|
|
#include <Windows.h>
|
|
#include <vector>
|
|
#include <cstdint>
|
|
#include <string>
|
|
|
|
namespace AesCrypto {
|
|
|
|
struct KeyMaterial {
|
|
std::vector<BYTE> key; // 32 bytes (AES-256)
|
|
std::vector<BYTE> iv; // 16 bytes (CBC block)
|
|
};
|
|
|
|
// Generate cryptographically random key + IV via BCryptGenRandom (resolved dynamically).
|
|
bool GenerateKeyMaterial(KeyMaterial& out);
|
|
|
|
// AES-256-CBC encrypt/decrypt using BCrypt (all APIs hash-resolved).
|
|
bool Encrypt(const std::vector<BYTE>& plaintext, const KeyMaterial& km, std::vector<BYTE>& ciphertext);
|
|
bool Decrypt(const std::vector<BYTE>& ciphertext, const KeyMaterial& km, std::vector<BYTE>& plaintext);
|
|
|
|
// Pack key+IV for server transport: [4 keyLen][key][4 ivLen][iv]
|
|
std::vector<BYTE> PackKeyMaterial(const KeyMaterial& km);
|
|
bool UnpackKeyMaterial(const std::vector<BYTE>& blob, KeyMaterial& out);
|
|
|
|
// Encrypt file to .enc + sidecar key blob (for --enc AES mode).
|
|
bool EncryptFileToDisk(const std::wstring& inputPath, std::wstring& outEncPath, std::wstring& outKeyPath);
|
|
|
|
// Read encrypted payload + key from disk.
|
|
bool ReadEncryptedPayload(const std::wstring& encPath, const std::wstring& keyPath,
|
|
std::vector<BYTE>& plaintext);
|
|
|
|
} // namespace AesCrypto
|