Function entropy_get

source/src/crypto.cpp:450–460

}

void entropy_get(uchar *buf, int len)
{
    ASSERT(len <= ENTPOOLSIZE);
    uchar *tempbuf = new uchar[len + SHA512SIZE];
    memcpy(tempbuf, entpool, len);
    memcpy(entpool + ENTPOOLSIZE, entpool, 128);
    sha512(tempbuf, entpool, ENTPOOLSIZE);
    loopi(len) sha512_compress((uint64_t*)(tempbuf + (i & ~7)), entpool + rnd(ENTPOOLSIZE / 8) * 8);
    memcpy(buf, tempbuf, len);
    delete[] tempbuf;
}

#ifndef STANDALONE
///////////////////////////////////////////////  key derivation function  ////////////////////////////////////////////////////////////////////////