dl_crypto.h

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#pragma once
 
#include "dl_buffer.h"
namespace dl::Crypto
{
void EncryptXor(BufferView buf);
void DecryptXor(BufferView buf);

std::wstring EncodeHan256(BufferView buf);
bool DecodeHan256(const std::wstring& str, Buffer& buf);

uint32_t HashCrc32(BufferView buf, uint32_t crc = 0);

std::string EncodeBase64(BufferView buf);
bool DecodeBase64(std::string_view str, Buffer& buf);

Buffer HashMd5(BufferView buf);

Buffer HashSha256(BufferView buf);
Buffer HashSha512(BufferView buf);
Buffer HashBlake2b(BufferView buf);
 
struct Aes256Key
{
    Buffer _key;
    Buffer _iv;
    Buffer _tag;
};

Aes256Key GenerateKeyAes256();

Buffer EncryptAes256(BufferView buf, const Aes256Key& key);
Buffer DecryptAes256(BufferView buf, const Aes256Key& key);
 
}