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crc

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This commit is contained in:
yanczi 2025-10-24 13:26:36 +02:00
parent 8b9a1789ab
commit 729cb13ff8
8 changed files with 71 additions and 10 deletions
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14
ExtractCargo.cpp
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@ -114,9 +114,9 @@ bool ExtractCargo::CheckCargoFile()
//-----------------------------------------------------------------------------
// Sprawdzanie sumy kontrolnej
//-----------------------------------------------------------------------------
bool ExtractCargo::HashValid(const std::vector<char>& data, const uint64_t& crc)
bool ExtractCargo::HashValid(const std::vector<char>& data, const uint32_t& crc)
{
uint64_t actualCrc = XXH64(data.data(), data.size(), VERSION);
uint32_t actualCrc = crc32(data);
if (actualCrc != crc)
{
@ -126,6 +126,16 @@ bool ExtractCargo::HashValid(const std::vector<char>& data, const uint64_t& crc)
return true;
}
//-----------------------------------------------------------------------------
// Wygenerój CRC32 HASH integralnoœci
//-----------------------------------------------------------------------------
uint32_t ExtractCargo::crc32(const std::vector<char>& buffer)
{
boost::crc_32_type crc;
crc.process_bytes(buffer.data(), buffer.size());
return crc.checksum();
}
//-----------------------------------------------------------------------------
// Pobieranie nagłówków plików
//-----------------------------------------------------------------------------