def visit_eq_tst(self, node, data):
# Restrict to only product nodes that we've introduced for
# iterating over the N signatures
delta = BinaryNode("delta")
_list = [ops.EXP, ops.PAIR, ops.ATTR]
if str(node.left) != "1":
node.left = AbstractTechnique.createExp2(BinaryNode.copy(node.left), delta, _list)
if str(node.right) != "1":
node.right = AbstractTechnique.createExp2(BinaryNode.copy(node.right), BinaryNode.copy(delta), _list)
def __init__(self, settingObj, sdl_data=None, variables=None, addIndex=True):
if sdl_data:
AbstractTechnique.__init__(self, sdl_data, variables)
self.settingObj = settingObj
self.inverse = BinaryNode("-1")
self.finalAND = [ ]
self.attr_index = 0
self.addIndex = addIndex
self.debug = False
def visit_eq_tst(self, node, data):
# Restrict to only product nodes that we've introduced for
# iterating over the N signatures
delta = BinaryNode("delta")
_list = [ops.EXP, ops.PAIR, ops.ATTR]
if str(node.left) != "1":
node.left = AbstractTechnique.createExp2(
BinaryNode.copy(node.left), delta, _list)
if str(node.right) != "1":
node.right = AbstractTechnique.createExp2(
BinaryNode.copy(node.right), BinaryNode.copy(delta), _list)
def __init__(self,
settingObj,
sdl_data=None,
variables=None,
addIndex=True):
if sdl_data:
AbstractTechnique.__init__(self, sdl_data, variables)
self.settingObj = settingObj
self.inverse = BinaryNode("-1")
self.finalAND = []
self.attr_index = 0
self.addIndex = addIndex
self.debug = False
def checkForInverse(self, node):
if self.extra_side.get(str(node)):
if self.node_side != self.extra_side[str(node)]:
if self.debug:
print('different side! take inverse')
print("node: ", node, self.extra_side[str(node)])
if self.extra_inverted:
#print("The CL fix: ", self.extra_inverted)
return node
# this means we shouldn't invert the node because we're combining from another node
return AbstractTechnique.createInvExp(node)
if self.debug: print('same side: ', self.node_side, node, self.extra_side)
if self.extra_inverted: return AbstractTechnique.createInvExp(node) # ONLY DIFFERENCE BETWEEN SP2 and SP3
return node
def checkForInverse(self, node):
if self.extra_side.get(str(node)):
if self.node_side != self.extra_side[str(node)]:
if self.debug:
print('different side! take inverse')
print("node: ", node, self.extra_side[str(node)])
if self.extra_inverted:
#print("The CL fix: ", self.extra_inverted)
return node
# this means we shouldn't invert the node because we're combining from another node
return AbstractTechnique.createInvExp(node)
if self.debug:
print('same side: ', self.node_side, node, self.extra_side)
if self.extra_inverted:
return AbstractTechnique.createInvExp(
node) # ONLY DIFFERENCE BETWEEN SP2 and SP3
return node
def combine(self, subtree1, subtree2, parentOfTarget=None):
#print("DEBUG: Combining two subtrees: ", subtree1,"<= with =>" , subtree2)
if Type(subtree1) == Type(subtree2) and Type(subtree1) == ops.ON:
#print("Found ON node: ", subtree1)
return self.combine(subtree1.right, subtree2.right)
elif Type(subtree1) == Type(subtree2) and Type(subtree1) == ops.MUL:
#print("Found MUL node: ", subtree1, subtree2)
return AbstractTechnique.createMul(subtree1, subtree2)
elif Type(subtree1) == Type(subtree2) and Type(subtree1) == ops.EXP:
if str(subtree1.left) == str(subtree2.left):
# print("Found EXP node bases that match: ", subtree1, subtree2)
# this is for the situation where the bases are the same
# e.g., g^x * g^y => g^(x + y)
addNode = BinaryNode(ops.ADD)
addNode.left = subtree1.right
addNode.right = subtree2.right
return AbstractTechnique.createExp(subtree1.left, addNode)
return AbstractTechnique.createMul(subtree1, subtree2)
else:
#print("Found node: ", Type(subtree1), Type(subtree2))
#print("Now combining these two: ", subtree1, "<= WITH => ", subtree2)
return BinaryNode(ops.MUL, BinaryNode.copy(subtree1), BinaryNode.copy(subtree2))
def combine(self, subtree1, subtree2, parentOfTarget=None):
#print("DEBUG: Combining two subtrees: ", subtree1,"<= with =>" , subtree2)
if Type(subtree1) == Type(subtree2) and Type(subtree1) == ops.ON:
#print("Found ON node: ", subtree1)
return self.combine(subtree1.right, subtree2.right)
elif Type(subtree1) == Type(subtree2) and Type(subtree1) == ops.MUL:
#print("Found MUL node: ", subtree1, subtree2)
return AbstractTechnique.createMul(subtree1, subtree2)
elif Type(subtree1) == Type(subtree2) and Type(subtree1) == ops.EXP:
if str(subtree1.left) == str(subtree2.left):
# print("Found EXP node bases that match: ", subtree1, subtree2)
# this is for the situation where the bases are the same
# e.g., g^x * g^y => g^(x + y)
addNode = BinaryNode(ops.ADD)
addNode.left = subtree1.right
addNode.right = subtree2.right
return AbstractTechnique.createExp(subtree1.left, addNode)
return AbstractTechnique.createMul(subtree1, subtree2)
else:
#print("Found node: ", Type(subtree1), Type(subtree2))
#print("Now combining these two: ", subtree1, "<= WITH => ", subtree2)
return BinaryNode(ops.MUL, BinaryNode.copy(subtree1),
BinaryNode.copy(subtree2))
def __init__(self, variables):
AbstractTechnique.__init__(self, None, variables)
self.missing_symbols = []
self.exclude_list = []
def __init__(self, variables, curve=pairing.Asymmetric):
AbstractTechnique.__init__(self, None, variables)
self.left_errors = []
self.right_errors = []
self.curve_type = curve
