55 lines
1.4 KiB
Python
55 lines
1.4 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 abc import ABCMeta, abstractmethod
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from binascii import hexlify
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import sys
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TIMEOUT=20000
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def hexstr(bstr):
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if (sys.version_info.major == 3):
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return hexlify(bstr).decode()
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if (sys.version_info.major == 2):
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return hexlify(bstr)
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return "<undecoded APDU<"
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class DongleWait(object):
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__metaclass__ = ABCMeta
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@abstractmethod
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def waitFirstResponse(self, timeout):
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pass
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class Dongle(object):
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__metaclass__ = ABCMeta
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@abstractmethod
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def exchange(self, apdu, timeout=TIMEOUT):
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pass
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@abstractmethod
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def apduMaxDataSize(self):
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pass
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@abstractmethod
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def close(self):
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pass
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def setWaitImpl(self, waitImpl):
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self.waitImpl = waitImpl |