#pragma once
#include <cstdint>
#include "buffer.h"

struct evp_cipher_ctx_st;
typedef struct evp_cipher_ctx_st EVP_CIPHER_CTX;


class Cryptography
{
public:
	Cryptography(const char* password, size_t size);
	~Cryptography();
	bool encrypt(Buffer* plain, Buffer* encrypted);
	bool decrypt(Buffer* encrypted, Buffer* decrypted);

private:
	uint8_t key[32] = { 0 };
	uint8_t iv[16] = { 0 };
	EVP_CIPHER_CTX* ctx = nullptr;

	bool generate_key_and_iv_from_password(const char* password, size_t size);
	bool handleErrors();
};