secure_inner_join.helper module

Module contains Helper class (Henri) for performing secure set intersection

class secure_inner_join.helper.Helper(*args, **kwargs)[source]

Class for a helper party

__init__(*args, **kwargs)[source]

Initializes a helper instance

Raises:: ValueError – raised when (at least) one of data parties is not in the pool.

async combine_and_send()[source]

Computes the intersection size and sends the result to the data parties

property intersection_size: int

The size of the intersection between the identifier columns of the data parties

Returns:: the intersection size
Raises:: AttributeError – raised when the intersection size cannot be determined yet

async obtain_shares()[source]

Receive the random shares from the data parties and processes them

async receive_data(party)[source]

Receive encrypted attributes and hashed identifiers from party

async run_protocol()[source]

Run the entire protocol, start to end, in an asynchronous manner

async store_data()[source]

Receive and store the data from all data parties