def findminactivesbox(config):
"""
Example which finds the minimum number of active S-boxes for AES like
ciphers, with the parameters given in the config file.
"""
if config["name"] == "aeslike":
model = aeslike.buildmodel(config)
solved_model = solvemodel(model)
aeslike.printmodel(solved_model, config)
elif config["name"] == "haraka":
model = haraka.buildmodel(config)
solved_model = solvemodel(model)
haraka.printmodel(solved_model, config)
return
def findminactiveincreasing():
"""
Example for finding minimum active S-box for increasing number of
rounds.
"""
config = {"rounds": 1,
"wordsize": 8,
"branchnumber": 5,
"statedimension": 4}
print("Rounds", "S-boxes", sep="\t")
for num_rounds in range(1, 11):
config["rounds"] = num_rounds
solved_model = solvemodel(aeslike.buildmodel(config))
print(num_rounds, round(solved_model.ObjVal), sep="\t")
return