/*
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* Copyright (C) 2017, The Android Open Source Project
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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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* Contributed by: Giesecke & Devrient GmbH.
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*/
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package android.se.omapi;
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import android.se.omapi.ISecureElementSession;
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/** @hide */
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interface ISecureElementChannel {
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/**
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* Closes the specified connection and frees internal resources.
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* A logical channel will be closed.
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*/
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void close();
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/**
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* Tells if this channel is closed.
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*
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* @return <code>true</code> if the channel is closed,
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* <code>false</code> otherwise.
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*/
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boolean isClosed();
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/**
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* Returns a boolean telling if this channel is the basic channel.
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*
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* @return <code>true</code> if this channel is a basic channel.
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* <code>false</code> if this channel is a logical channel.
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*/
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boolean isBasicChannel();
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/**
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* Returns the data as received from the application select command
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* inclusively the status word. The returned byte array contains the data
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* bytes in the following order:
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* [<first data byte>, ..., <last data byte>, <sw1>, <sw2>]
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*/
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byte[] getSelectResponse();
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/**
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* Transmits the specified command APDU and returns the response APDU.
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* MANAGE channel commands are not supported.
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* Selection of applets is not supported in logical channels.
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*/
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byte[] transmit(in byte[] command);
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/**
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* Performs a selection of the next Applet on this channel that matches to
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* the partial AID specified in the openBasicChannel(byte[] aid) or
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* openLogicalChannel(byte[] aid) method. This mechanism can be used by a
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* device application to iterate through all Applets matching to the same
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* partial AID.
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* If selectNext() returns true a new Applet was successfully selected on
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* this channel.
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* If no further Applet exists with matches to the partial AID this method
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* returns false and the already selected Applet stays selected.
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*
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* @return <code>true</code> if new Applet was successfully selected.
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* <code>false</code> if no further Applet exists which matches the
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* partial AID.
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*/
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boolean selectNext();
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}
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