pingPong.py

class qAuth.nonEnt.pingPong.Authenticator(name)

Class for Authenticator

authenticate(key, receiver)

Method that takes care of authenticator’s job.

Parameters:
  • key (str) – Secret Key Shared by two parties.
  • receiver (str) – Prover’s name.
Returns:

Result of authentication check and updated key.
Return type:

Tuple
checkAuth(key)

Method that authenticates the prover.

Parameters:key (str) – Secret Key Shared by two parties.
Returns:Updated Key
Return type:String
recvEncoded(key)

Method that receives the encoded qubits.

Parameters:key (str) – Secret Key Shared by two parties.
class qAuth.nonEnt.pingPong.Participant

Class which defines common functions. Prover and Authenticator inherit this class.

encodeQubits(qubit_list, key)

Method that encodes the qubits according to the protocol.

Parameters:
  • qubit_list (list of Qubit Objects) – List of qubits to encode.
  • key (str) – Secret Key Shared by two parties.
prepareSequence(key, receiver)

Method that prepares the qubits according to the protocol and sends it to the receiver.

Parameters:
  • key (str) – Secret Key Shared by two parties.
  • receiver (str) – Authenticator’s name.
update_key(qubit_list, key)

Method that updates the key.

Parameters:
  • qubit_list (list of Qubit Objects) – List of qubits to encode.
  • key (str) – Secret Key Shared by two parties.
Returns:

Updated Key
Return type:

String
class qAuth.nonEnt.pingPong.Prover(name)

Class for Prover

authenticate(key, sender)

Method that takes care of prover’s job.

Parameters:
  • key (str) – Secret Key Shared by two parties.
  • sender (str) – Authenticator’s name.
Returns:

Updated Key.
Return type:

String
recvSequence(key, name)

Method that receives ping pong particles from authenticator.

Parameters:
  • key (str) – Secret Key Shared by two parties.
  • name (str) – Authenticator’s name.
sendEncoded(key, receiver)

Method that encodes ping pong particles and send it to the authenticator.

Parameters:
  • key (str) – Secret Key Shared by two parties.
  • receiver (str) – Authenticator’s name.