# Path: parser/stpcommands.py
# def blockCharacteristic(stpfile, characteristic, wordsize):
# def setupQuery(stpfile):
# def setupVariables(stpfile, variables, wordsize):
# def assertVariableValue(stpfile, a, b):
# def getStringForVariables(variables, wordsize):
# def assertNonZero(stpfile, variables, wordsize):
# def getStringForNonZero(variables, wordsize):
# def limitWeight(stpfile, weight, p, wordsize, ignoreMSBs=0):
# def setupWeightComputationSum(stpfile, weight, p, wordsize, ignoreMSBs=0):
# def setupWeightComputation(stpfile, weight, p, wordsize, ignoreMSBs=0):
# def getWeightString(variables, wordsize, ignoreMSBs=0, weightVariable="weight"):
# def getStringEq(a, b, c):
# def getStringAdd(a, b, c, wordsize):
# def getStringForAndDifferential(a, b, c):
# def getStringLeftRotate(value, rotation, wordsize):
# def getStringRightRotate(value, rotation, wordsize):
# def add4bitSbox(sbox, variables):
#     DDT = [[0]*16 for i in range(16)]
# 
# Path: ciphers/cipher.py
# class AbstractCipher(object, metaclass=ABCMeta):
#     """
#     Abstract Class for Ciphers
#     """
# 
#     @abstractmethod
#     def createSTP(self, filename, cipherParameters):
#         """
#         Each cipher need to define how it creates an instance for the
#         SMT solver.
#         """
#         pass
# 
#     @abstractmethod
#     def getFormatString(self):
#         """
#         Each cipher needs to specify the format it should be printed.
#         """
#         pass
# 
# Path: parser/stpcommands.py
# def getStringLeftRotate(value, rotation, wordsize):
#     if rotation % wordsize == 0:
#         return "{0}".format(value)
#     command = "((({0} << {1})[{2}:0]) | (({0} >> {3})[{2}:0]))".format(
#         value, (rotation % wordsize), wordsize - 1, (wordsize - rotation) % wordsize)
# 
#     return command
# 
# Path: parser/stpcommands.py
# def getStringRightRotate(value, rotation, wordsize):
#     if rotation % wordsize == 0:
#         return "{0}".format(value)
#     command = "((({0} >> {1})[{2}:0]) | (({0} << {3})[{2}:0]))".format(
#         value, (rotation % wordsize), wordsize - 1, (wordsize - rotation) % wordsize)
#     return command


from parser import stpcommands
from ciphers.cipher import AbstractCipher
from parser.stpcommands import getStringLeftRotate as rotl
from parser.stpcommands import getStringRightRotate as rotr
    def createSTP(self, stp_filename, parameters):
        """
        Creates an STP file to find a characteristic for ChasKey
        with the given parameters.
        """
        wordsize = parameters["wordsize"]
        rounds = parameters["rounds"]
        weight = parameters["sweight"]

        self.num_messages = parameters["nummessages"]

        with open(stp_filename, 'w') as stp_file:
            stp_file.write("% Input File for STP\n% ChasKeyMac w={} rounds={}"
                           "\n\n\n".format(wordsize, rounds))

            # Setup variables
            # state = v0, v1, v2, v3
            # intermediate values = a0, a1, a2, a3
            v0 = ["v0{}".format(i) for i in range((rounds + 1) * self.num_messages)]
            v1 = ["v1{}".format(i) for i in range((rounds + 1) * self.num_messages)]
            v2 = ["v2{}".format(i) for i in range((rounds + 1) * self.num_messages)]
            v3 = ["v3{}".format(i) for i in range((rounds + 1) * self.num_messages)]

            # w = weight of each modular addition
            w0 = ["w0{}".format(i) for i in range(rounds * self.num_messages)]
            w1 = ["w1{}".format(i) for i in range(rounds * self.num_messages)]

            stpcommands.setupVariables(stp_file, v0, wordsize)
            stpcommands.setupVariables(stp_file, v1, wordsize)
            stpcommands.setupVariables(stp_file, v2, wordsize)

# Path: parser/stpcommands.py
# def blockCharacteristic(stpfile, characteristic, wordsize):
# def setupQuery(stpfile):
# def setupVariables(stpfile, variables, wordsize):
# def assertVariableValue(stpfile, a, b):
# def getStringForVariables(variables, wordsize):
# def assertNonZero(stpfile, variables, wordsize):
# def getStringForNonZero(variables, wordsize):
# def limitWeight(stpfile, weight, p, wordsize, ignoreMSBs=0):
# def setupWeightComputationSum(stpfile, weight, p, wordsize, ignoreMSBs=0):
# def setupWeightComputation(stpfile, weight, p, wordsize, ignoreMSBs=0):
# def getWeightString(variables, wordsize, ignoreMSBs=0, weightVariable="weight"):
# def getStringEq(a, b, c):
# def getStringAdd(a, b, c, wordsize):
# def getStringForAndDifferential(a, b, c):
# def getStringLeftRotate(value, rotation, wordsize):
# def getStringRightRotate(value, rotation, wordsize):
# def add4bitSbox(sbox, variables):
#     DDT = [[0]*16 for i in range(16)]
# 
# Path: ciphers/cipher.py
# class AbstractCipher(object, metaclass=ABCMeta):
#     """
#     Abstract Class for Ciphers
#     """
# 
#     @abstractmethod
#     def createSTP(self, filename, cipherParameters):
#         """
#         Each cipher need to define how it creates an instance for the
#         SMT solver.
#         """
#         pass
# 
#     @abstractmethod
#     def getFormatString(self):
#         """
#         Each cipher needs to specify the format it should be printed.
#         """
#         pass
# 
# Path: parser/stpcommands.py
# def getStringLeftRotate(value, rotation, wordsize):
#     if rotation % wordsize == 0:
#         return "{0}".format(value)
#     command = "((({0} << {1})[{2}:0]) | (({0} >> {3})[{2}:0]))".format(
#         value, (rotation % wordsize), wordsize - 1, (wordsize - rotation) % wordsize)
# 
#     return command
# 
# Path: parser/stpcommands.py
# def getStringRightRotate(value, rotation, wordsize):
#     if rotation % wordsize == 0:
#         return "{0}".format(value)
#     command = "((({0} >> {1})[{2}:0]) | (({0} << {3})[{2}:0]))".format(
#         value, (rotation % wordsize), wordsize - 1, (wordsize - rotation) % wordsize)
#     return command


# Path: ciphers/chaskeymachalf.py
from parser import stpcommands
from ciphers.cipher import AbstractCipher
from parser.stpcommands import getStringLeftRotate as rotl
from parser.stpcommands import getStringRightRotate as rotr

    def createSTP(self, stp_filename, parameters):
        """
        Creates an STP file to find a characteristic for ChasKey
        with the given parameters.
        """
        wordsize = parameters["wordsize"]
        rounds = parameters["rounds"]
        weight = parameters["sweight"]

        self.num_messages = parameters["nummessages"]

        with open(stp_filename, 'w') as stp_file:
            stp_file.write("% Input File for STP\n% ChasKeyMac w={} rounds={}"
                           "\n\n\n".format(wordsize, rounds))

            # Setup variables
            # state = v0, v1, v2, v3
            # intermediate values = a0, a1, a2, a3
            v0 = ["v0{}".format(i) for i in range((rounds + 1) * self.num_messages)]
            v1 = ["v1{}".format(i) for i in range((rounds + 1) * self.num_messages)]
            v2 = ["v2{}".format(i) for i in range((rounds + 1) * self.num_messages)]
            v3 = ["v3{}".format(i) for i in range((rounds + 1) * self.num_messages)]

            # w = weight of each modular addition
            w0 = ["w0{}".format(i) for i in range(rounds * self.num_messages)]
            w1 = ["w1{}".format(i) for i in range(rounds * self.num_messages)]

            stpcommands.setupVariables(stp_file, v0, wordsize)
            stpcommands.setupVariables(stp_file, v1, wordsize)
            stpcommands.setupVariables(stp_file, v2, wordsize)

            stpcommands.setupVariables(stp_file, v3, wordsize)