55 lines
1.8 KiB
Python
55 lines
1.8 KiB
Python
#!/usr/bin/env python
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"""
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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 ledgerblue.comm import getDongle
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from ledgerblue.commException import CommException
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import argparse
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import struct
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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('--path', help="BIP 32 path to retrieve")
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args = parser.parse_args()
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if args.path == None:
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args.path = "44'/60'/0'/0/0"
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donglePath = parse_bip32_path(args.path)
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apdu = "e0020100".decode('hex') + chr(len(donglePath) + 1) + chr(len(donglePath) / 4) + donglePath
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dongle = getDongle(True)
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result = dongle.exchange(bytes(apdu))
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offset = 1 + result[0]
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address = result[offset + 1 : offset + 1 + result[offset]]
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print "Public key " + str(result[1 : 1 + result[0]]).encode('hex')
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print "Address 0x" + str(address)
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