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tests.py
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tests.py
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import sys
import os
import binascii
from cryptography.hazmat.backends import default_backend
from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.primitives import serialization
import mpc_crypto
CLIENT = 1
SERVER = 2
def perform_step(obj, inMsgBuf):
inMsg = mpc_crypto.messageFromBuf(inMsgBuf)
outMsg, flags = mpc_crypto.step(obj.ctx, inMsg)
mpc_crypto.freeMessage(inMsg)
finished = flags & mpc_crypto.PROTOCOL_FINISHED_FLAG
if flags & mpc_crypto.SHARE_CHANGED_FLAG:
obj.setShare(mpc_crypto.getShare(obj.ctx))
outMsgBuf = mpc_crypto.messageToBuf(outMsg)
mpc_crypto.freeMessage(outMsg)
return finished, outMsgBuf
def exec_client_server(objClient, objServer):
client_finished = False
server_finished = False
message_buf = None
while not client_finished or not server_finished:
if not client_finished:
client_finished, message_buf = perform_step(objClient, message_buf)
if message_buf is None:
break
if not server_finished:
server_finished, message_buf = perform_step(objServer, message_buf)
def generic_secret_gen():
print("test_generic_secret_gen...")
clientObj = mpc_crypto.GenericSecret(CLIENT)
serverObj = mpc_crypto.GenericSecret(SERVER)
clientObj.initGenerate(256)
serverObj.initGenerate(256)
exec_client_server(clientObj, serverObj)
print(" ok")
return clientObj, serverObj
def generic_secret_import(value=None):
print("test_generic_secret_import...")
if not value:
value = os.urandom(32)
clientObj = mpc_crypto.GenericSecret(CLIENT)
serverObj = mpc_crypto.GenericSecret(SERVER)
clientObj.initImport(value)
serverObj.initImport(value)
exec_client_server(clientObj, serverObj)
print(" ok")
return clientObj, serverObj
def eddsa_gen():
print("test_eddsa_gen...")
clientObj = mpc_crypto.Eddsa(CLIENT)
serverObj = mpc_crypto.Eddsa(SERVER)
clientObj.initGenerate()
serverObj.initGenerate()
exec_client_server(clientObj, serverObj)
print(" ok")
return clientObj, serverObj
def eddsa_sign(clientObj, serverObj):
print("test_eddsa_sign...")
test_data = b"123456"
clientObj.initSign(test_data, True)
serverObj.initSign(test_data, True)
exec_client_server(clientObj, serverObj)
sig = clientObj.getSignResult()
clientObj.verify(test_data, sig)
print("ok")
def ecdsa_gen():
print("test_ecdsa_gen...")
clientObj = mpc_crypto.Ecdsa(CLIENT)
serverObj = mpc_crypto.Ecdsa(SERVER)
clientObj.initGenerate()
serverObj.initGenerate()
exec_client_server(clientObj, serverObj)
print(" ok")
return clientObj, serverObj
def ecdsa_sign(clientObj, serverObj):
print("test_ecdsa_sign...")
test_data = b"123456"
clientObj.initSign(test_data, True)
serverObj.initSign(test_data, True)
exec_client_server(clientObj, serverObj)
sig = clientObj.getSignResult()
clientObj.verify(test_data, sig)
print("ok")
def refresh_shares(clientObj, serverObj):
print("test_refresh...")
clientObj.initRefresh()
serverObj.initRefresh()
exec_client_server(clientObj, serverObj)
print(" ok")
def bip_derive(srcClient, srcServer, hardened, index, test):
clientObj = mpc_crypto.Bip32(CLIENT)
serverObj = mpc_crypto.Bip32(SERVER)
clientObj.initDerive(srcClient, index, hardened)
serverObj.initDerive(srcServer, index, hardened)
exec_client_server(clientObj, serverObj)
clientObj.getDeriveResult()
serverObj.getDeriveResult()
assert clientObj.serialize() == test
return clientObj, serverObj
def test_bip():
seed = "000102030405060708090a0b0c0d0e0f"
seedClient, seedServer = generic_secret_import(
binascii.unhexlify(seed))
with seedClient, seedServer:
m_cl, m_sr = bip_derive(seedClient, seedServer, False, 0,
"xpub661MyMwAqRbcFtXgS5sYJABqqG9YLmC4Q1Rdap9gSE8NqtwybGhePY2gZ29ESFjqJoCu1Rupje8YtGqsefD265TMg7usUDFdp6W1EGMcet8")
m_0H_cl, m_0H_sr = bip_derive(
m_cl, m_sr, True, 0, "xpub68Gmy5EdvgibQVfPdqkBBCHxA5htiqg55crXYuXoQRKfDBFA1WEjWgP6LHhwBZeNK1VTsfTFUHCdrfp1bgwQ9xv5ski8PX9rL2dZXvgGDnw")
m_0H_1_cl, m_0H_1_sr = bip_derive(m_0H_cl, m_0H_sr, False, 1,
"xpub6ASuArnXKPbfEwhqN6e3mwBcDTgzisQN1wXN9BJcM47sSikHjJf3UFHKkNAWbWMiGj7Wf5uMash7SyYq527Hqck2AxYysAA7xmALppuCkwQ")
# test_bip_derive(m_0H_1, True, 2, m_0H_1_2H,
# "xpub6D4BDPcP2GT577Vvch3R8wDkScZWzQzMMUm3PWbmWvVJrZwQY4VUNgqFJPMM3No2dFDFGTsxxpG5uJh7n7epu4trkrX7x7DogT5Uv6fcLW5")
# test_bip_derive(m_0H_1_2H, False, 2, m_0H_1_2H_2,
# "xpub6FHa3pjLCk84BayeJxFW2SP4XRrFd1JYnxeLeU8EqN3vDfZmbqBqaGJAyiLjTAwm6ZLRQUMv1ZACTj37sR62cfN7fe5JnJ7dh8zL4fiyLHV")
# test_bip_derive(m_0H_1_2H_2, False, 1000000000, m_0H_1_2H_2_1000000000,
# "xpub6H1LXWLaKsWFhvm6RVpEL9P4KfRZSW7abD2ttkWP3SSQvnyA8FSVqNTEcYFgJS2UaFcxupHiYkro49S8yGasTvXEYBVPamhGW6cFJodrTHy")
def gen_rsa_test_key():
backup_key = rsa.generate_private_key(
public_exponent=65537,
key_size=2048,
backend=default_backend()
)
rsa_prv_der = backup_key.private_bytes(
encoding=serialization.Encoding.DER,
format=serialization.PrivateFormat.PKCS8,
encryption_algorithm=serialization.NoEncryption()
)
backup_pub_key = backup_key.public_key()
rsa_pub_der = backup_pub_key.public_bytes(
encoding=serialization.Encoding.DER,
format=serialization.PublicFormat.SubjectPublicKeyInfo
)
return rsa_prv_der, rsa_pub_der
def eddsa_backup(clientObj, serverObj):
print("test_eddsa_backup...")
rsa_prv_der, rsa_pub_der = gen_rsa_test_key()
clientObj.initBackup(rsa_pub_der)
serverObj.initBackup(rsa_pub_der)
exec_client_server(clientObj, serverObj)
backup = clientObj.getBackupResult()
pub_eddsa_key = clientObj.getPublic()
mpc_crypto.verifyEddsaBackupKey(rsa_pub_der, pub_eddsa_key, backup)
prv_eddsa_key = mpc_crypto.restoreEddsaKey(
rsa_prv_der, pub_eddsa_key, backup)
def ecdsa_backup(clientObj, serverObj):
print("test_ecdsa_backup...")
rsa_prv_der, rsa_pub_der = gen_rsa_test_key()
clientObj.initBackup(rsa_pub_der)
serverObj.initBackup(rsa_pub_der)
exec_client_server(clientObj, serverObj)
backup = clientObj.getBackupResult()
pub_ecdsa_key = clientObj.getPublic()
mpc_crypto.verifyEcdsaBackupKey(rsa_pub_der, pub_ecdsa_key, backup)
prv_ecdsa_key = mpc_crypto.restoreEcdsaKey(
rsa_prv_der, pub_ecdsa_key, backup)
def test_eddsa():
eddsaKeyClient, eddsaKeyServer = eddsa_gen()
refresh_shares(eddsaKeyClient, eddsaKeyServer)
eddsa_sign(eddsaKeyClient, eddsaKeyServer)
eddsa_backup(eddsaKeyClient, eddsaKeyServer)
def test_ecdsa():
ecdsaKeyClient, ecdsaKeyServer = ecdsa_gen()
refresh_shares(ecdsaKeyClient, ecdsaKeyServer)
ecdsa_sign(ecdsaKeyClient, ecdsaKeyServer)
ecdsa_backup(ecdsaKeyClient, ecdsaKeyServer)
def test_generic_secret():
genSecClient, genSecServer = generic_secret_gen()
genSecClient2, genSecServer2 = generic_secret_import()
if __name__ == "__main__":
try:
test_eddsa()
test_bip()
test_ecdsa()
test_generic_secret()
except mpc_crypto.MPCException as e:
sys.exit("MPC Error - " + hex(e.error_code))
print('OOTest Unbound OSS crypto MPC - OK')