- crypto_open_hash_stream(+OrgStream, -HashStream, +Options) is det
- Open a filter stream on OrgStream that maintains a hash. The hash
can be retrieved at any time using crypto_stream_hash/2. Available
Options in addition to those of crypto_data_hash/3 are:
- close_parent(+Bool)
- If
true (default), closing the filter stream also closes the
original (parent) stream.