Ruchi Kandoi | a1f9401 | 2017-12-08 15:07:03 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017, The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | /* |
| 17 | * Contributed by: Giesecke & Devrient GmbH. |
| 18 | */ |
| 19 | |
| 20 | package android.se.omapi; |
| 21 | |
| 22 | import android.se.omapi.ISecureElementSession; |
| 23 | |
| 24 | /** @hide */ |
| 25 | interface ISecureElementChannel { |
| 26 | |
| 27 | /** |
| 28 | * Closes the specified connection and frees internal resources. |
| 29 | * A logical channel will be closed. |
| 30 | */ |
| 31 | void close(); |
| 32 | |
| 33 | /** |
| 34 | * Tells if this channel is closed. |
| 35 | * |
| 36 | * @return <code>true</code> if the channel is closed, |
| 37 | * <code>false</code> otherwise. |
| 38 | */ |
| 39 | boolean isClosed(); |
| 40 | |
| 41 | /** |
| 42 | * Returns a boolean telling if this channel is the basic channel. |
| 43 | * |
| 44 | * @return <code>true</code> if this channel is a basic channel. |
| 45 | * <code>false</code> if this channel is a logical channel. |
| 46 | */ |
| 47 | boolean isBasicChannel(); |
| 48 | |
| 49 | /** |
| 50 | * Returns the data as received from the application select command |
| 51 | * inclusively the status word. The returned byte array contains the data |
| 52 | * bytes in the following order: |
| 53 | * [<first data byte>, ..., <last data byte>, <sw1>, <sw2>] |
| 54 | */ |
| 55 | byte[] getSelectResponse(); |
| 56 | |
| 57 | /** |
| 58 | * Transmits the specified command APDU and returns the response APDU. |
| 59 | * MANAGE channel commands are not supported. |
| 60 | * Selection of applets is not supported in logical channels. |
| 61 | */ |
| 62 | byte[] transmit(in byte[] command); |
| 63 | |
| 64 | /** |
| 65 | * Performs a selection of the next Applet on this channel that matches to |
| 66 | * the partial AID specified in the openBasicChannel(byte[] aid) or |
| 67 | * openLogicalChannel(byte[] aid) method. This mechanism can be used by a |
| 68 | * device application to iterate through all Applets matching to the same |
| 69 | * partial AID. |
| 70 | * If selectNext() returns true a new Applet was successfully selected on |
| 71 | * this channel. |
| 72 | * If no further Applet exists with matches to the partial AID this method |
| 73 | * returns false and the already selected Applet stays selected. |
| 74 | * |
| 75 | * @return <code>true</code> if new Applet was successfully selected. |
| 76 | * <code>false</code> if no further Applet exists which matches the |
| 77 | * partial AID. |
| 78 | */ |
| 79 | boolean selectNext(); |
| 80 | } |