Creates a new checksum filter.
Outputs the checksum digest into digest.
Outputs the checksum digest as a newly allocated hexadecimal string.
Returns this, for use in with statements.
Get builder for gmime.filter_checksum.FilterChecksum
Returns this, for use in with statements.
Get builder for gmime.filter.Filter
Sets number of bytes backed up on the input, new calls replace previous ones
Completes the filtering.
Copies filter into a new #GMimeFilter object.
Filters the input data and writes it to out.
Resets the filter.
Ensure this much size is available for filter output (if required)
A filter for calculating the checksum of a stream.