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/*
* Copyright (C) 2017, The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* Contributed by: Giesecke & Devrient GmbH.
*/
package android.se.omapi;
import android.se.omapi.ISecureElementSession;
/** @hide */
interface ISecureElementChannel {
/**
* Closes the specified connection and frees internal resources.
* A logical channel will be closed.
*/
void close();
/**
* Tells if this channel is closed.
*
* @return <code>true</code> if the channel is closed,
* <code>false</code> otherwise.
*/
boolean isClosed();
/**
* Returns a boolean telling if this channel is the basic channel.
*
* @return <code>true</code> if this channel is a basic channel.
* <code>false</code> if this channel is a logical channel.
*/
boolean isBasicChannel();
/**
* Returns the data as received from the application select command
* inclusively the status word. The returned byte array contains the data
* bytes in the following order:
* [<first data byte>, ..., <last data byte>, <sw1>, <sw2>]
*/
byte[] getSelectResponse();
/**
* Transmits the specified command APDU and returns the response APDU.
* MANAGE channel commands are not supported.
* Selection of applets is not supported in logical channels.
*/
byte[] transmit(in byte[] command);
/**
* Performs a selection of the next Applet on this channel that matches to
* the partial AID specified in the openBasicChannel(byte[] aid) or
* openLogicalChannel(byte[] aid) method. This mechanism can be used by a
* device application to iterate through all Applets matching to the same
* partial AID.
* If selectNext() returns true a new Applet was successfully selected on
* this channel.
* If no further Applet exists with matches to the partial AID this method
* returns false and the already selected Applet stays selected.
*
* @return <code>true</code> if new Applet was successfully selected.
* <code>false</code> if no further Applet exists which matches the
* partial AID.
*/
boolean selectNext();
}
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