private StateFunc ReadChunk()
{
chunk = new byte[signature.ChunkSize];
chunkLen = @new.Read(chunk, 0, chunk.Length);
if (chunkLen == 0)
{
return(Flush); // ???
}
rs = new Rollsum();
rs.Update(chunk, chunkLen);
return(Search);
}
int DoGetHash()
{
var code = 0;
if (alg != null)
{
code ^= alg.GetHashCode();
}
if (sum != null)
{
var hash = new Rollsum();
hash.Update(sum, sum.Length);
code ^= (int)hash.Digest;
}
return(code);
}