CRC32.cpp

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#include <sourcepp/crypto/CRC32.h>
 
#include <cryptopp/crc.h>
 
using namespace sourcepp;
 
uint32_t crypto::computeCRC32(std::span<const std::byte> buffer) {
    // Make sure this is right
    static_assert(CryptoPP::CRC32::DIGESTSIZE == sizeof(uint32_t));
 
    CryptoPP::CRC32 crc32;
    crc32.Update(reinterpret_cast<const CryptoPP::byte*>(buffer.data()), buffer.size());
 
    uint32_t final;
    crc32.Final(reinterpret_cast<CryptoPP::byte*>(&final));
    return final;
}