示例#1
0
文件: sigma2.py 项目: mhlakhani/charm
    def verifier_state6(self, input):
        print("VERIFIER 6: done.")
        Sigma.setState(self, None)
        return None

#if __name__ == "__main__":
#    if len(sys.argv) != 2:
#        print("Usage: %s [-v or -p]" % sys.argv[0])
#        exit(-1)
#
#    if sys.argv[1] == "-v":
#        print("Operating as verifier...")
#        svr = socket(AF_INET, SOCK_STREAM)
#        svr.bind((HOST, PORT))
#        svr.listen(1)
#        svr_sock, addr = svr.accept()
#        print("Connected by ", addr)
#        _name, _type, _sock = "verifier", VERIFIER, svr_sock
#    elif sys.argv[1] == "-p":
#        print("Operating as prover...")
#        clt = socket(AF_INET, SOCK_STREAM)
#        clt.connect((HOST, PORT))
#        clt.settimeout(15)
#        _name, _type, _sock = "prover", PROVER, clt
#    else:
#        print("Usage: %s -v or -p" % sys.argv[0])
#        exit(-1)
#    
#    group = PairingGroup('library/a.param')
#    sp = SigmaProtocol2(group)
#    sp.setup( {'name':_name, 'type':_type, 'socket':_sock} )
#    # run as a thread...
#    sp.execute(_type)
#    print("Result of protocol =>", sp.result)
#    
示例#2
0
文件: sigma3.py 项目: mhlakhani/charm
 def prover_state3(self, input):
     print("PROVER 3: ")
     (r, h, c) = Sigma.get(self, ['r', 'h', 'c'])
     print("input c =>", c)
     z = r * (h ** -c)
     Sigma.setState(self, 5)
     # need store and get functions for db        
     return {'z':z }
示例#3
0
文件: sigma1.py 项目: mhlakhani/charm
 def verifier_state4(self, input):
     (g, H, a, c, z) = Sigma.get(self, ['g','H','a','c','z'])
     if a == (pair(g,z) * (H ** c)):
         print("SUCCESS!!!!!!!"); result = 'OK'
     else:
         print("Failed!!!"); result = 'FAIL'
     Sigma.setState(self, 6)
     Sigma.setErrorCode(self, result)
     return result
示例#4
0
文件: sigma2.py 项目: mhlakhani/charm
 def prover_state3(self, input):
     print("PROVER 3: ")
     (r1, r2, v, sigma, c) = Sigma.get(self, ['r1','r2','v','sigma', 'c'])
     print("input c =>", c)
     z1 = r1 - sigma * c # need a way to get sigma index as part of init index (1..N)
     z2 = r2 - v * c 
     print("send z1 =>", z1)
     print("send z2 =>", z2)
     Sigma.setState(self, 5)
     return {'z1':z1, 'z2':z2 }
示例#5
0
文件: sigma3.py 项目: mhlakhani/charm
 def verifier_state4(self, input):
     print("VERIFIER 4: ")
     (a1, a2, c, W, z, pk) = Sigma.get(self, ['a1','a2','c','W','z','pk'])
     g, V, H = pk['g'], pk['V'], pk['H']
     if a1 == pair(g,z) * (H ** c) and a2 == pair(V,z) * (W ** c):
         print("SUCCESS!!!!!!!"); result = 'OK'
     else:
         print("Failed!!!"); result = 'FAIL'
     Sigma.setState(self, 6)
     Sigma.setErrorCode(self, result)
     return result
示例#6
0
文件: sigma2.py 项目: mhlakhani/charm
 def verifier_state4(self, input):
     print("VERIFIER 4: ")
     (a, c, z1, z2, pk) = Sigma.get(self, ['a','c','z1','z2','pk'])
     g, y, V = pk['g'], pk['y'], pk['V']
     print("get a =>", a)
     if a == (pair(V,y) ** c) * (pair(V,g) ** -z1) * (pair(g,g) ** z2):
         print("SUCCESS!!!!!!!"); result = 'OK'
     else:
         print("Failed!!!"); result = 'FAIL'
     Sigma.setState(self, 6)
     Sigma.setErrorCode(self, result)
     return result
示例#7
0
文件: sigma3.py 项目: mhlakhani/charm
    def prover_state1(self):
        print("PROVER 1: ")
        (g, V) = Sigma.get(self, ['g', 'V'])
        r = self.group.random(G2)
        a1 = pair(g, r)
        a2 = pair(V, r)
        print("send r =>", r)
        print("send a1 =>", a1)
        print("send a2 =>", a2)
        pk = Sigma.get(self, ['g','V','H'], dict)

        Sigma.store(self, ('r',r) )
        Sigma.setState(self, 3)
        return { 'a1':a1, 'a2':a2, 'pk':pk }
示例#8
0
文件: sigma2.py 项目: mhlakhani/charm
    def prover_state1(self):
        print("PROVER 1: ")
        (g, V) = Sigma.get(self, ['g', 'V'])
        r1, r2 = self.group.random(ZR, 2)

        a = (pair(V, g) ** -r1) * (pair(g, g) ** r2)
        print("send g =>", g)
        print("send V =>", V)
        print("send r1 =>", r1)
        print("send r2 =>", r2)
        print("send a =>", a)

        pk = Sigma.get(self, ['g','V','y'], dict)
        Sigma.store(self, ('r1',r1), ('r2',r2) )
        Sigma.setState(self, 3)
        return { 'a':a, 'pk':pk }
示例#9
0
文件: sigma2.py 项目: mhlakhani/charm
 def verifier_state2(self, input):
     print("VERIFIER 2: ")
     c = self.group.random(ZR)
     print("send c =>", c)
     Sigma.setState(self, 4)
     return {'c':c }
示例#10
0
文件: sigma2.py 项目: mhlakhani/charm
 def prover_state5(self, input):
     print("PROVER 5: result =>", input)
     Sigma.setState(self, None)
     Sigma.setErrorCode(self, input)
     return None
示例#11
0
文件: sigma2.py 项目: mhlakhani/charm
 def __init__(self, groupObj, common_input=None):
     Sigma.__init__(self, groupObj, common_input)
     if common_input == None: 
         self.gen_common()
示例#12
0
文件: sigma1.py 项目: mhlakhani/charm
 def prover_state5(self, input):
     Sigma.setState(self, None)
     Sigma.setErrorCode(self, input)
     return None
示例#13
0
文件: sigma1.py 项目: mhlakhani/charm
 def prover_state1(self):
     (g, h, H) = Sigma.get(self, ['g', 'h', 'H'])
     r = self.group.random(G2)
     a = pair(g, r)
     Sigma.setState(self, 3)
     return { 'r':r, 'a':a, 'g':g, 'h':h, 'H':H }        
示例#14
0
文件: sigma1.py 项目: mhlakhani/charm
 def verifier_state6(self, input):
     Sigma.setState(self, None)
     return None
示例#15
0
文件: sigma1.py 项目: mhlakhani/charm
 def verifier_state2(self, input):
     c = self.group.random(ZR)
     Sigma.setState(self, 4)
     return {'c':c }
示例#16
0
文件: sigma3.py 项目: mhlakhani/charm
 def __init__(self, groupObj=None, common_input=None):        
     Sigma.__init__(self, groupObj, common_input)
示例#17
0
文件: sigma1.py 项目: mhlakhani/charm
 def prover_state3(self, input):
     (r, h, c) = Sigma.get(self, ['r','h','c'])
     z = r * (h ** -c)
     Sigma.setState(self, 5)
     return {'z':z }