Exemplo n.º 1
0
    def _do_test_crypto(self, message):
        G = ecc.generator()
        _r  = G.order()
        pvk = ecdsa.util.randrange(_r)

        Pub = pvk*G
        pubkey_c = Pub.get_public_key_bytes(True)
        #pubkey_u = point_to_ser(Pub,False)
        addr_c = public_key_to_p2pkh(pubkey_c)

        #print "Private key            ", '%064x'%pvk
        eck = ecc.ECPrivkey(number_to_string(pvk,_r))

        #print "Compressed public key  ", pubkey_c.encode('hex')
        enc = ecc.ECPubkey(pubkey_c).encrypt_message(message)
        dec = eck.decrypt_message(enc)
        self.assertEqual(message, dec)

        #print "Uncompressed public key", pubkey_u.encode('hex')
        #enc2 = EC_KEY.encrypt_message(message, pubkey_u)
        dec2 = eck.decrypt_message(enc)
        self.assertEqual(message, dec2)

        signature = eck.sign_message(message, True)
        #print signature
        eck.verify_message_for_address(signature, message)
Exemplo n.º 2
0
    def do_send(self, tx):
        def on_success(result):
            window.show_message(
                _("Your transaction was sent to the cosigning pool.") + '\n' +
                _("Open your cosigner wallet to retrieve it."))

        def on_failure(exc_info):
            e = exc_info[1]
            try:
                self.logger.error("on_failure", exc_info=exc_info)
            except OSError:
                pass
            window.show_error(
                _("Failed to send transaction to cosigning pool") + ':\n' +
                str(e))

        for window, xpub, K, _hash in self.cosigner_list:
            if not self.cosigner_can_sign(tx, xpub):
                continue
            # construct message
            raw_tx_bytes = bfh(str(tx))
            public_key = ecc.ECPubkey(K)
            message = public_key.encrypt_message(raw_tx_bytes).decode('ascii')
            # send message
            task = lambda: server.put(_hash, message)
            msg = _('Sending transaction to cosigning pool...')
            WaitingDialog(window, msg, task, on_success, on_failure)
Exemplo n.º 3
0
def make_xpub(xpub, s) -> str:
    rootnode = BIP32Node.from_xkey(xpub)
    child_pubkey, child_chaincode = bip32._CKD_pub(parent_pubkey=rootnode.eckey.get_public_key_bytes(compressed=True),
                                                   parent_chaincode=rootnode.chaincode,
                                                   child_index=s)
    child_node = BIP32Node(xtype=rootnode.xtype,
                           eckey=ecc.ECPubkey(child_pubkey),
                           chaincode=child_chaincode)
    return child_node.to_xpub()
Exemplo n.º 4
0
 def get_xpub(self, bip32_path, xtype, creating=False):
     address_n = parse_path(bip32_path)
     with self.run_flow(creating_wallet=creating):
         node = trezorlib.btc.get_public_node(self.client, address_n).node
     return BIP32Node(xtype=xtype,
                      eckey=ecc.ECPubkey(node.public_key),
                      chaincode=node.chain_code,
                      depth=node.depth,
                      fingerprint=self.i4b(node.fingerprint),
                      child_number=self.i4b(node.child_num)).to_xpub()
Exemplo n.º 5
0
 def get_xpub(self, bip32_path, xtype):
     address_n = self.expand_path(bip32_path)
     creating = False
     node = self.get_public_node(address_n, creating).node
     return BIP32Node(xtype=xtype,
                      eckey=ecc.ECPubkey(node.public_key),
                      chaincode=node.chain_code,
                      depth=node.depth,
                      fingerprint=self.i4b(node.fingerprint),
                      child_number=self.i4b(node.child_num)).to_xpub()
Exemplo n.º 6
0
 def get_xpub(self, bip32_path, xtype):
     self.checkDevice()
     # bip32_path is of the form 44'/0'/1'
     # S-L-O-W - we don't handle the fingerprint directly, so compute
     # it manually from the previous node
     # This only happens once so it's bearable
     #self.get_client() # prompt for the PIN before displaying the dialog if necessary
     #self.handler.show_message("Computing master public key")
     if xtype in ['p2wpkh', 'p2wsh'] and not self.supports_native_segwit():
         raise UserFacingException(MSG_NEEDS_FW_UPDATE_SEGWIT)
     if xtype in ['p2wpkh-p2sh', 'p2wsh-p2sh'
                  ] and not self.supports_segwit():
         raise UserFacingException(MSG_NEEDS_FW_UPDATE_SEGWIT)
     splitPath = bip32_path.split('/')
     if splitPath[0] == 'm':
         splitPath = splitPath[1:]
         bip32_path = bip32_path[2:]
     fingerprint = 0
     if len(splitPath) > 1:
         prevPath = "/".join(splitPath[0:len(splitPath) - 1])
         nodeData = self.dongleObject.getWalletPublicKey(prevPath)
         publicKey = compress_public_key(nodeData['publicKey'])
         h = hashlib.new('ripemd160')
         h.update(hashlib.sha256(publicKey).digest())
         fingerprint = unpack(">I", h.digest()[0:4])[0]
     nodeData = self.dongleObject.getWalletPublicKey(bip32_path)
     publicKey = compress_public_key(nodeData['publicKey'])
     depth = len(splitPath)
     lastChild = splitPath[len(splitPath) - 1].split('\'')
     childnum = int(lastChild[0]) if len(
         lastChild) == 1 else 0x80000000 | int(lastChild[0])
     return BIP32Node(xtype=xtype,
                      eckey=ecc.ECPubkey(publicKey),
                      chaincode=nodeData['chainCode'],
                      depth=depth,
                      fingerprint=self.i4b(fingerprint),
                      child_number=self.i4b(childnum)).to_xpub()