108 lines
3.9 KiB
Python
108 lines
3.9 KiB
Python
"""
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*******************************************************************************
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* Ledger Blue
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* (c) 2016 Ledger
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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********************************************************************************
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"""
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from secp256k1 import PrivateKey
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from .comm import getDongle
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from .hexParser import IntelHexParser
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from .hexLoader import HexLoader
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from .deployed import getDeployedSecretV1, getDeployedSecretV2
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import argparse
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import struct
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def auto_int(x):
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return int(x, 0)
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def parse_bip32_path(path):
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if len(path) == 0:
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return ""
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result = ""
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elements = path.split('/')
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for pathElement in elements:
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element = pathElement.split('\'')
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if len(element) == 1:
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result = result + struct.pack(">I", int(element[0]))
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else:
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result = result + struct.pack(">I", 0x80000000 | int(element[0]))
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return result
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parser = argparse.ArgumentParser()
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parser.add_argument("--targetId", help="Set the chip target ID", type=auto_int)
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parser.add_argument("--fileName", help="Set the file name to load")
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parser.add_argument("--icon", help="Set the icon content to use (hex encoded)")
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parser.add_argument("--path", help="BIP 32 path to which the derivation is locked (format decimal a'/b'/c)")
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parser.add_argument("--appName", help="Set the application name")
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parser.add_argument("--signature", help="Optional application's signature (hex encoded)")
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parser.add_argument("--appFlags", help="Set the application flags", type=auto_int)
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parser.add_argument("--bootAddr", help="Set the boot address", type=auto_int)
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parser.add_argument("--rootPrivateKey", help="Set the root private key")
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parser.add_argument("--apdu", help="Display APDU log", action='store_true')
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parser.add_argument("--deployLegacy", help="Use legacy deployment API", action='store_true')
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args = parser.parse_args()
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if args.targetId == None:
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args.targetId = 0x31000002
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if args.fileName == None:
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raise Exception("Missing fileName")
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if args.appName == None:
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raise Exception("Missing appName")
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if args.appFlags == None:
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args.appFlags = 0
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if args.rootPrivateKey == None:
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privateKey = PrivateKey()
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publicKey = str(privateKey.pubkey.serialize(compressed=False)).encode('hex')
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print "Generated random root public key : " + publicKey
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args.rootPrivateKey = privateKey.serialize().encode('ascii')
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parser = IntelHexParser(args.fileName)
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if args.bootAddr == None:
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args.bootAddr = parser.getBootAddr()
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dongle = getDongle(args.apdu)
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if args.deployLegacy:
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secret = getDeployedSecretV1(dongle, bytearray.fromhex(args.rootPrivateKey), args.targetId)
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else:
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secret = getDeployedSecretV2(dongle, bytearray.fromhex(args.rootPrivateKey), args.targetId)
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loader = HexLoader(dongle, 0xe0, True, secret)
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if (not (args.appFlags & 2)):
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loader.deleteApp(args.appName)
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appLength = 0
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for area in parser.getAreas():
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appLength += len(area.getData())
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icon = None
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if args.icon != None:
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icon = bytearray.fromhex(args.icon)
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signature = None
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if args.signature != None:
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signature = bytearray.fromhex(args.signature)
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path = None
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if args.path != None:
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path = parse_bip32_path(args.path)
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loader.createApp(args.appFlags, appLength, args.appName, icon, path)
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hash = loader.load(0x0, 0xE0, parser.getAreas(), args.bootAddr)
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print "Application hash : " + hash
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loader.run(parser.getAreas(), args.bootAddr, signature)
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