def testRandomMessageDecode(self):
group = ECGroup(prime192v2)
for i in range(runs):
msg_len = group.bitsize()
s = OpenSSLRand().getRandomBytes(msg_len)
g = group.encode(s)
t = group.decode(g)
assert s == t, "Failed to encode/decode %d properly" % i
def testRandomGroupDecode(self):
group = ECGroup(prime192v1)
for i in range(runs):
r = group.random(G)
m = group.decode(r, True)
n = group.encode(m, True)
assert r == n, "Failed to encode/decode properly including counter"
group256 = ECGroup(secp256k1)
group283 = ECGroup(sect283k1)
group571 = ECGroup(sect571k1)
g256 = group256.random(G)
h256 = group256.random(G)
#Cofactor is 4
#TODO: Just doing 8 change to 4
g283 = (group283.random(G))**(group283.init(ZR, int(4)))
h283 = (group283.random(G))**(group283.init(ZR, int(4)))
g571 = (group571.random(G))**(group571.init(ZR, int(4)))
h571 = (group571.random(G))**(group571.init(ZR, int(4)))
decoded_g256 = group256.decode(g256)
decoded_h256 = group256.decode(h256)
decoded_g283 = group283.decode(g283)
decoded_h283 = group283.decode(h283)
decoded_g571 = group571.decode(g571)
decoded_h571 = group571.decode(h571)
'''
print("decoded_g256:\n", decoded_g256)
print("decoded_h256:\n", decoded_h256)
print("decoded_g283:\n", decoded_g283)
print("decoded_h283:\n", decoded_h283)
print("decoded_g571:\n", decoded_g571)
def testBadMessage3Decode(self):
group = ECGroup(prime192v2)
s = b'\x8a$\x1b@5xm\x00f\xa5\x98{OJ\xd9,\x17`\xb7\xcf\xd2\x1e\xb3\x99'
g = group.encode(s, True)
t = group.decode(g, True)
assert s == t, "Failed to encode/decode properly"
def testBadMessage2Decode(self):
group = ECGroup(prime192v2)
s = b'~3\xfcN\x00\x8eF\xfaq\xdc\x8d\x14\x8d\xde\xebC^1`\x99'
g = group.encode(s)
t = group.decode(g)
assert s == t, "Failed to encode/decode properly"
def testBadMessage1Decode(self):
group = ECGroup(prime192v1)
s = b'\x00\x9d\xaa2\xfa\xf2;\xd5\xe56,\xe8\x1c\x17[k4\xa4\x8b\xad'
g = group.encode(s)
t = group.decode(g)
assert s == t, "Failed to encode/decode properly"
