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122 lines
5.1 KiB
122 lines
5.1 KiB
/*
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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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package android.hardware.secure_element@1.0;
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import ISecureElementHalCallback;
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/** According to ISO/IEC 7816 */
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interface ISecureElement {
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/**
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* Initializes the Secure Element. This may include updating the applet
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* and/or vendor-specific initialization.
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*
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* HAL service must send onStateChange() with connected equal to true
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* after all the initialization has been successfully completed.
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* Clients must wait for a onStateChange(true) before opening channels.
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*
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* @param clientCallback callback used to sent status of the SE back to the
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* client
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*/
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init(ISecureElementHalCallback clientCallback);
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/**
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* Returns Answer to Reset as per ISO/IEC 7816
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*
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* @return response containing the response. Empty vector if Secure Element
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* doesn't support ATR.
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*/
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getAtr() generates (vec<uint8_t> response);
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/**
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* Returns the current state of the card.
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*
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* This is particularly useful for removable
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* Secure Elements like UICC, Secure Elements on SD cards etc.
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*
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* @return present true if present, false otherwise
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*/
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isCardPresent() generates (bool present);
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/**
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* Transmits an APDU command (as per ISO/IEC 7816) to the SE.
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*
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* @param data APDU command to be sent
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* @return response to the command. In case of error in communicating with
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* the secure element, an empty vector is returned.
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*/
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transmit(vec<uint8_t> data) generates (vec<uint8_t> response);
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/**
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* Opens a logical channel with the Secure Element, selecting the applet
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* represented by the Application ID (AID).
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*
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* @param aid AID to uniquely identify the applet on the Secure Element
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* @param p2 P2 paramter of SELECT APDU as per ISO 7816-4
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* @return status SecureElementStatus::SUCCESS on success,
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* SecureElementStatus::CHANNEL_NOT_AVAILABLE if secure
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* element has reached the maximum limit on the number of
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* channels it can support,
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* SecureElementStatus::NO_SUCH_ELEMENT_ERROR if AID provided
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* doesn't match any applet on the secure element and
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* SecureElementStatus::UNSUPPORTED_OPERATION if operation
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* provided by the P2 parameter is not permitted by the
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* applet.
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* SecureElementStatus::IOERROR if there was an error
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* communicating with the Secure Element.
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* @return response On success, response to SELECT command is returned
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* empty vector on failure.
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*/
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openLogicalChannel(vec<uint8_t> aid, uint8_t p2)
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generates (LogicalChannelResponse response, SecureElementStatus status);
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/**
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* Opens a basic channel with the Secure Element, selecting the applet
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* represented by the Application ID (AID).
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*
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* @param aid AID to uniquely identify the applet on the Secure Element
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* @param p2 P2 paramter of SELECT APDU as per ISO 7816-4
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* @return status SecureElementStatus::SUCCESS on success,
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* SecureElementStatus::CHANNEL_NOT_AVAILABLE if secure
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* element has reached the maximum limit on the number of
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* channels it can support,
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* SecureElementStatus::NO_SUCH_ELEMENT_ERROR if AID provided
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* doesn't match any applet on the secure element and
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* SecureElementStatus::UNSUPPORTED_OPERATION if operation
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* provided by the P2 parameter is not permitted by the
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* applet.
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* SecureElementStatus::IOERROR if there was an error
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* communicating with the Secure Element.
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* @return selectResponse On success, response to SELECT command is returned
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* empty vector on failure.
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*/
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openBasicChannel(vec<uint8_t> aid, uint8_t p2)
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generates (vec<uint8_t> selectResponse, SecureElementStatus status);
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/**
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* Closes the channel indicated by the channelNumber.
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*
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* Closing a basic channel, i.e with channelNumber 0 must return
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* SecureElementStatus::FAILED.
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*
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* @param channelNumber to be closed
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* @return status SecureElementStatus::SUCCESS on success and
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* SecureElementStatus::FAILED on error.
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*/
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closeChannel(uint8_t channelNumber) generates (SecureElementStatus status);
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};
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