def _2user():
# 1st user
exp1 = nacl.randombytes(nacl.crypto_scalarmult_curve25519_BYTES)
public1 = nacl.crypto_scalarmult_curve25519_base(exp1)
# print "public1: \t%s\nexp1: \t%s" % (b85encode(public1), b85encode(exp1))
print
# 2nd user
exp2 = nacl.randombytes(nacl.crypto_scalarmult_curve25519_BYTES)
public2 = nacl.crypto_scalarmult_curve25519_base(exp2)
key = nacl.crypto_scalarmult_curve25519(exp2, public1)
print "key: \t%s" % (b85encode(key))
# print "public2: \t%s\nkey: \t%s" % (b85encode(public2), b85encode(key))
print
# 1st user completing DH
key = nacl.crypto_scalarmult_curve25519(exp1, public2)
print "key: \t%s" % (b85encode(key))
def _2user():
# 1st user
exp1 = nacl.randombytes(nacl.crypto_scalarmult_curve25519_BYTES)
public1 = nacl.crypto_scalarmult_curve25519_base(exp1)
#print("public1: \t%s\nexp1: \t%s" % (b85encode(public1), b85encode(exp1)))
print()
# 2nd user
exp2 = nacl.randombytes(nacl.crypto_scalarmult_curve25519_BYTES)
public2 = nacl.crypto_scalarmult_curve25519_base(exp2)
key = nacl.crypto_scalarmult_curve25519(exp2, public1)
print("key: \t%s" % (b85encode(key)))
#print("public2: \t%s\nkey: \t%s" % (b85encode(public2), b85encode(key)))
print()
# 1st user completing DH
key = nacl.crypto_scalarmult_curve25519(exp1, public2)
print("key: \t%s" % (b85encode(key)))
def test_mpecdh():
peers = [MPECDH(9) for _ in range(9)]
for i, peer in enumerate(peers):
peer.next = peers[(i + 1) % (len(peers))]
peers[0].mpecdh()
for i, peer in enumerate(peers):
print(i, b85encode(peer.secret))
def test_mpecdh():
peers = [MPECDH(9) for _ in range(9)]
for i, peer in enumerate(peers):
peer.next = peers[(i + 1) % (len(peers))]
peers[0].mpecdh()
for i, peer in enumerate(peers):
print i, b85encode(peer.secret)
def _3user():
eA = nacl.randombytes(nacl.crypto_scalarmult_curve25519_BYTES)
pA = nacl.crypto_scalarmult_curve25519_base(eA)
print("A public: \t%s\nA exp: \t%s" % (b85encode(pA), b85encode(eA)))
eB = nacl.randombytes(nacl.crypto_scalarmult_curve25519_BYTES)
pB = nacl.crypto_scalarmult_curve25519_base(eB)
print("B public: \t%s\nB exp: \t%s" % (b85encode(pB), b85encode(eB)))
eC = nacl.randombytes(nacl.crypto_scalarmult_curve25519_BYTES)
pC = nacl.crypto_scalarmult_curve25519_base(eC)
print("C public: \t%s\nC exp: \t%s" % (b85encode(pC), b85encode(eC)))
print()
pAB = nacl.crypto_scalarmult_curve25519(eB, pA)
print("public AB", b85encode(pAB))
pBA = nacl.crypto_scalarmult_curve25519(eA, pB)
print("public BA", b85encode(pBA))
pCA = nacl.crypto_scalarmult_curve25519(eA, pC)
print("public CA", b85encode(pCA))
print()
key = nacl.crypto_scalarmult_curve25519(eB, pCA)
print("key: \t%s" % (b85encode(key)))
key = nacl.crypto_scalarmult_curve25519(eC, pBA)
print("key: \t%s" % (b85encode(key)))
key = nacl.crypto_scalarmult_curve25519(eC, pAB)
print("key: \t%s" % (b85encode(key)))
def __str__(self):
return b85encode(self.public)
def __str__(self):
return b85encode(self.shared)
def _3user():
eA = nacl.randombytes(nacl.crypto_scalarmult_curve25519_BYTES)
pA = nacl.crypto_scalarmult_curve25519_base(eA)
print "A public: \t%s\nA exp: \t%s" % (b85encode(pA), b85encode(eA))
eB = nacl.randombytes(nacl.crypto_scalarmult_curve25519_BYTES)
pB = nacl.crypto_scalarmult_curve25519_base(eB)
print "B public: \t%s\nB exp: \t%s" % (b85encode(pB), b85encode(eB))
eC = nacl.randombytes(nacl.crypto_scalarmult_curve25519_BYTES)
pC = nacl.crypto_scalarmult_curve25519_base(eC)
print "C public: \t%s\nC exp: \t%s" % (b85encode(pC), b85encode(eC))
print
pAB = nacl.crypto_scalarmult_curve25519(eB, pA)
print "public AB", b85encode(pAB)
pBA = nacl.crypto_scalarmult_curve25519(eA, pB)
print "public BA", b85encode(pBA)
pCA = nacl.crypto_scalarmult_curve25519(eA, pC)
print "public CA", b85encode(pCA)
print
key = nacl.crypto_scalarmult_curve25519(eB, pCA)
print "key: \t%s" % (b85encode(key))
key = nacl.crypto_scalarmult_curve25519(eC, pBA)
print "key: \t%s" % (b85encode(key))
key = nacl.crypto_scalarmult_curve25519(eC, pAB)
print "key: \t%s" % (b85encode(key))
def __str__(self):
return b85encode(self.shared)