def startsearch(tool_parameters):
"""
Starts the search tool for the given parameters
"""
cipher_suite = {
"craft": craft.CraftCipher(),
"craftrtk": craftrtk.CraftCipherRTK(),
"craftrtk1": craftrtk1.CraftCipherRTK1(),
"craftrtk2": craftrtk2.CraftCipherRTK2(),
"craftrtk3": craftrtk3.CraftCipherRTK3(),
"craftlinear": craftlinear.CraftCipherLinear(),
"ein_even": ein_even.EinEven(),
"em_even": em_even.EmEven(),
"eout_even": eout_even.EoutEven(),
"ein_odd": ein_odd.EinOdd(),
"em_odd": em_odd.EmOdd(),
"eout_odd": eout_odd.EoutOdd(),
"ein_even_6r": ein_even_6r.EinEven6r()
}
cipher = None
if tool_parameters["cipher"] in cipher_suite:
cipher = cipher_suite[tool_parameters["cipher"]]
else:
print("Cipher not supported!")
return
# Handle program flow
if tool_parameters["mode"] == 0:
search.findMinWeightCharacteristic(cipher, tool_parameters)
elif tool_parameters["mode"] == 1:
search.searchCharacteristics(cipher, tool_parameters)
elif tool_parameters["mode"] == 2:
search.findAllCharacteristics(cipher, tool_parameters)
elif tool_parameters["mode"] == 3:
search.findBestConstants(cipher, tool_parameters)
elif tool_parameters["mode"] == 4:
search.computeProbabilityOfDifferentials(cipher, tool_parameters)
return
def startsearch(tool_parameters):
"""
Starts the search tool for the given parameters
"""
cipher_suite = {
"craft": craft.CraftCipher(),
"craftrtk": craftrtk.CraftCipherRTK(),
"craftrtk1": craftrtk1.CraftCipherRTK1(),
"craftrtk2": craftrtk2.CraftCipherRTK2(),
"craftrtk3": craftrtk3.CraftCipherRTK3(),
"craftlinear": craftlinear.CraftCipherLinear(),
"ein_even": ein_even.EinEven(),
"em_even": em_even.EmEven(),
"eout_even": eout_even.EoutEven(),
"ein_odd": ein_odd.EinOdd(),
"em_odd": em_odd.EmOdd(),
"eout_odd": eout_odd.EoutOdd(),
"ein_even_6r": ein_even_6r.EinEven6r()
}
cipher = None
if tool_parameters["cipher"] in cipher_suite:
cipher = cipher_suite[tool_parameters["cipher"]]
else:
print("Cipher not supported!")
return
# Handle program flow
if tool_parameters["mode"] == 0:
search1.findMinWeightCharacteristic(cipher, tool_parameters)
elif tool_parameters["mode"] == 1:
search1.searchCharacteristics(cipher, tool_parameters)
elif tool_parameters["mode"] == 2:
search1.findAllCharacteristics(cipher, tool_parameters)
elif tool_parameters["mode"] == 3:
search1.findBestConstants(cipher, tool_parameters)
elif tool_parameters["mode"] == 4:
fileobj = open("odd_possible_ios.txt", 'r')
possible_inputs = fileobj.readlines()
fileobj.close()
fileobj = open("result_eout_odd_5r.txt", "w")
distribution = [0] * len(possible_inputs)
tool_parameters_backup = tool_parameters.copy()
number_of_possible_trails = 0
stweight = int(tool_parameters["sweight"])
endweight = int(tool_parameters["endweight"])
ntrails = [[0] for i in range(len(possible_inputs))]
for i in range(len(possible_inputs)):
tool_parameters = tool_parameters_backup.copy()
tool_parameters["fixedVariables"]["z0"] = possible_inputs[i][0:-1]
input_disp = "Input[%d]: %s" % (i, possible_inputs[i][0:-1])
print(input_disp)
fileobj.write(input_disp)
fileobj.write("\n")
pr, ntrails[i] = search1.computeProbabilityOfDifferentials(
cipher, tool_parameters)
distribution[i] = pr
if pr > 0.0:
prob_disp = "Probability: 2^(" + str(math.log(pr, 2)) + ")"
print(prob_disp)
fileobj.write(prob_disp)
fileobj.write("\n")
number_of_possible_trails += 1
else:
print("Probability: 0")
fileobj.write("Probability: 0\n")
trails = "#Trails: %s" % ntrails[i]
print(trails)
fileobj.write(trails)
fileobj.write("\n\n")
fileobj.write("Distribution : %s\n" % distribution)
for w in range(stweight, endweight):
fileobj.write("#Trails of weigth %d: [" % w)
temp = [0] * (len(possible_inputs))
for t in range(len(possible_inputs)):
temp[t] = str(ntrails[t][w])
fileobj.write(", ".join(temp))
fileobj.write("]\n")
fileobj.write("\nNumber of possible trails : %d out of %d" %
(number_of_possible_trails, 100))
fileobj.close()
return