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Delta PSI is a python private set intersection library which implements aKKRT16 protocolbased on cuckoo hashing and OT (oblivious transfer).

Clone this repository, and run command

pip install .

Initialize config file:

psi_run init

This command will generate a config file in locationconfig/config.yaml

Start PSI server:

PSI_CONFIG=<CONFIG> psi_run server <address>

The<CONFIG> means server config file location, and<address> means PSI client address.

Start PSI client:

PSI_CONFIG=<CONFIG> psi_run client <address>

The<CONFIG> means client config file location, and<address> means PSI server address.

Run these two commands:

PSI_CONFIG=config/server.config.yaml psi_run server 127.0.0.1:2345

PSI_CONFIG=config/client.config.yaml psi_run client 127.0.0.1:1234

to start the demo.

For PSI server, the config file is inconfig/server.config.yaml, the input data file is inserver_data.txt and the output result file is inserver_result.txt.

For PSI client, the config file is inconfig/client.config.yaml, the input data file is inclient_data.txt and the output result file is inclient_result.txt.

This repository is in developing, only for learning purpose andshould not be used in production environment.

lencyforce@gmail.com