# 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 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: 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


from parser import stpcommands
from ciphers.cipher import AbstractCipher
from parser.stpcommands import getStringRightRotate as rotr
from parser.stpcommands import getStringLeftRotate as rotl
            rot_x1 = 0
            for i in range(rounds):
                if ((i+1) % 2) == 0:    #even rounds
                    rot_x1 = 8
                    rot_x0 = 1
                else:                   #odd rounds
                    rot_x1 = 1
                    rot_x0 = 8

                self.setupCHAMRound(stp_file, x0[i], x1[i], x2[i], x3[i],
                                    x0[i+1], x1[i+1], x2[i+1], x3[i+1], x0x1[i],
                                    rot_x0, rot_x1, w[i], wordsize)

            # No all zero characteristic
            stpcommands.assertNonZero(stp_file, x0 + x1 + x2 + x3, wordsize)

            # Iterative characteristics only
            # Input difference = Output difference
            if parameters["iterative"]:
                stpcommands.assertVariableValue(stp_file, x0[0], x0[rounds])
                stpcommands.assertVariableValue(stp_file, x1[0], x1[rounds])
                stpcommands.assertVariableValue(stp_file, x2[0], x2[rounds])
                stpcommands.assertVariableValue(stp_file, x3[0], x3[rounds])

            for key, value in parameters["fixedVariables"].items():
                stpcommands.assertVariableValue(stp_file, key, value)

            for char in parameters["blockedCharacteristics"]:
                stpcommands.blockCharacteristic(stp_file, char, 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 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: 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: ciphers/cham.py
from parser import stpcommands
from ciphers.cipher import AbstractCipher
from parser.stpcommands import getStringRightRotate as rotr
from parser.stpcommands import getStringLeftRotate as rotl

            rot_x1 = 0
            for i in range(rounds):
                if ((i+1) % 2) == 0:    #even rounds
                    rot_x1 = 8
                    rot_x0 = 1
                else:                   #odd rounds
                    rot_x1 = 1
                    rot_x0 = 8

                self.setupCHAMRound(stp_file, x0[i], x1[i], x2[i], x3[i],
                                    x0[i+1], x1[i+1], x2[i+1], x3[i+1], x0x1[i],
                                    rot_x0, rot_x1, w[i], wordsize)

            # No all zero characteristic
            stpcommands.assertNonZero(stp_file, x0 + x1 + x2 + x3, wordsize)

            # Iterative characteristics only
            # Input difference = Output difference
            if parameters["iterative"]:
                stpcommands.assertVariableValue(stp_file, x0[0], x0[rounds])
                stpcommands.assertVariableValue(stp_file, x1[0], x1[rounds])
                stpcommands.assertVariableValue(stp_file, x2[0], x2[rounds])
                stpcommands.assertVariableValue(stp_file, x3[0], x3[rounds])

            for key, value in parameters["fixedVariables"].items():
                stpcommands.assertVariableValue(stp_file, key, value)

            for char in parameters["blockedCharacteristics"]:
                stpcommands.blockCharacteristic(stp_file, char, wordsize)


            stpcommands.setupQuery(stp_file)