Function finalize

src/OpenFOAM/primitives/hashes/SHA1/SHA1.C:354–390

bool Foam::SHA1::finalize()
{
    if (!finalized_)
    {
        finalized_ = true;

        // account for unprocessed bytes
        uint32_t bytes = bufLen_;
        size_t size = (bytes < 56 ? 64 : 128) / sizeof(uint32_t);

        // count remaining bytes.
        bufTotal_[0] += bytes;
        if (bufTotal_[0] < bytes)
        {
            ++bufTotal_[1];
        }

        // finalized, but no data!
        if (!bufTotal_[0] && !bufTotal_[1])
        {
            return false;
        }

        // place the 64-bit file length in *bits* at the end of the buffer.
        buffer_[size-2] = swapBytes((bufTotal_[1] << 3) | (bufTotal_[0] >> 29));
        buffer_[size-1] = swapBytes(bufTotal_[0] << 3);

        unsigned char* bufp = reinterpret_cast<unsigned char *>(buffer_);

        memcpy(&bufp[bytes], fillbuf, (size-2) * sizeof(uint32_t) - bytes);

        // Process remaining bytes
        processBlock(buffer_, size * sizeof(uint32_t));
    }

    return true;
}


Foam::SHA1Digest Foam::SHA1::digest() const