TNO Quantum provides generic software components aimed at facilitating the development of quantum applications.
The tno.quantum.communication.qkd_key_rate package provides python code to compute optimal protocol parameters for different quantum key distribution (QKD) protocols.
The codebase is based on the following papers:
- Attema et al. - Optimizing the decoy-state BB84 QKD protocol parameters (2021)
- Ma et al. - Quantum key distribution with entangled photon sources (2007)
The following quantum protocols are supported:
- BB84 protocol,
- BB84 protocol using a single photon source,
- BBM92 protocol.
The following classical error-correction protocols are supported:
- Cascade,
- Winnow.
The presented code can be used to
- determine optimal parameter settings needed to obtain the maximum key rate,
- correct errors in exchanged sifted keys for the different QKD protocols,
- apply privacy amplification by calculating secure key using hash function.
Documentation of the tno.quantum.communication.qkd_key_rate package can be found here.
The documentation contains usage examples that show
-
How to compute the secure key-rate for various protocols as function of the loss.
-
How to compute secure key-rate using the finite key-rate protocol for different number of pulses.
Easily install the tno.quantum.communication.qkd_key_rate package using pip:
$ python -m pip install tno.quantum.communication.qkd_key_rateIf you wish to run the tests you can use:
$ python -m pip install tno.quantum.communication.qkd_key_rate[tests]The content of this software may solely be used for applications that comply with international export control laws.