crypto_open_hash

Availability::- use_module(library(crypto)).(can be autoloaded)

[det]crypto_open_hash_stream(+OrgStream, -HashStream, +Options)

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.