def __init__(self, parent=None):
super(DesKeyScheduleDialog, self).__init__(parent)
self.model = DES()
layout = QVBoxLayout()
self.setLayout(layout)
self.indata = QtFixes.QLineEdit("")
self.indata.setFont(QFont("Courier"))
self.keysched = QTextEdit("")
self.keysched.setFont(QFont("Courier"))
self.inprnd = QComboBox()
self.inprnd.currentIndexChanged.connect(self.inTextChanged)
indataL = QHBoxLayout()
indataL.addWidget(QLabel("Key:"))
indataL.addWidget(self.indata)
indataL.addWidget(QLabel("Round:"))
indataL.addWidget(self.inprnd)
self.indata.textChanged.connect(self.inTextChanged)
gbIndata = QGroupBox("Round Key/Subkey")
gbIndata.setLayout(indataL)
layout.addWidget(gbIndata)
gbKeySched = QGroupBox("Full Key Schedule")
keyschedL = QVBoxLayout()
keyschedL.addWidget(self.keysched)
keyschedL.addWidget(
QLabel(
"X - Parity bits (not used); ? - Unknown/lost bits (could not be recovered)"
))
gbKeySched.setLayout(keyschedL)
layout.addWidget(gbKeySched)
self.setWindowTitle("DES Key Schedule Calculator")
self.setObjectName("DES Key Schedule")
self.refreshRoundKeysLength()
self.setMinimumSize(800, 400)
"""CPA attack script.
Assumes that a project with XMEGA software DES traces is already open.
"""
import chipwhisperer as cw
from chipwhisperer.analyzer.attacks.cpa import CPA
from chipwhisperer.analyzer.attacks.cpa_algorithms.progressive import CPAProgressive
from chipwhisperer.analyzer.attacks.models.DES import DES, SBox_output
#self.project = cw.openProject("2017-mar23-xmega-des.cwp")
traces = self.project.traceManager()
attack = CPA()
leak_model = DES(SBox_output)
attack.setAnalysisAlgorithm(CPAProgressive, leak_model)
attack.setTraceSource(traces)
attack.setTraceStart(0)
attack.setTracesPerAttack(-1)
attack.setIterations(1)
attack.setReportingInterval(10)
attack.setTargetSubkeys([0, 1, 2, 3, 4, 5, 6, 7])
attack.setPointRange((0, -1))
self.results_table.setAnalysisSource(attack)
self.correlation_plot.setAnalysisSource(attack)
self.output_plot.setAnalysisSource(attack)
self.pge_plot.setAnalysisSource(attack)
attack.processTraces()
