1497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/* 2497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Copyright (C) 2014 The Android Open Source Project 3497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 4497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Licensed under the Apache License, Version 2.0 (the "License"); 5497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * you may not use this file except in compliance with the License. 6497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * You may obtain a copy of the License at 7497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 8497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * http://www.apache.org/licenses/LICENSE-2.0 9497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 10497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Unless required by applicable law or agreed to in writing, software 11497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * distributed under the License is distributed on an "AS IS" BASIS, 12497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * See the License for the specific language governing permissions and 14497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * limitations under the License. 15497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 16497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 17497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/* 18497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * This file defines an NDK API. 19497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Do not remove methods. 20497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Do not change method signatures. 21497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Do not change the value of constants. 22497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Do not change the size of any of the classes defined in here. 23497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Do not reference types that are not part of the NDK. 24497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Do not #include files that aren't part of the NDK. 25497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 26497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 27497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker#ifndef _NDK_MEDIA_DRM_H 28497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker#define _NDK_MEDIA_DRM_H 29497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 3043a28fb96ccb6800ceb0c6275075845f3ae5a7edMarco Nelissen#include "NdkMediaError.h" 31e419d7cd5c62b4b5866a45d59c5770bb470193c1Marco Nelissen 32497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker#ifdef __cplusplus 33497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinkerextern "C" { 34497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker#endif 35497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 36497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker#include <stdint.h> 37497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker#include <stdbool.h> 38497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 39497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinkerstruct AMediaDrm; 40497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinkertypedef struct AMediaDrm AMediaDrm; 41497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 42497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinkertypedef struct { 43497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker const uint8_t *ptr; 44497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker size_t length; 45497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker} AMediaDrmByteArray; 46497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 47497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinkertypedef AMediaDrmByteArray AMediaDrmSessionId; 48497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinkertypedef AMediaDrmByteArray AMediaDrmScope; 49497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinkertypedef AMediaDrmByteArray AMediaDrmKeySetId; 50497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinkertypedef AMediaDrmByteArray AMediaDrmSecureStop; 51497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 52497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 53497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinkertypedef enum AMediaDrmEventType { 54497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker /** 55497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * This event type indicates that the app needs to request a certificate from 56497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * the provisioning server. The request message data is obtained using 57497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * AMediaDrm_getProvisionRequest. 58497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 59497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker EVENT_PROVISION_REQUIRED = 1, 60497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 61497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker /** 62497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * This event type indicates that the app needs to request keys from a license 63497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * server. The request message data is obtained using AMediaDrm_getKeyRequest. 64497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 65497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker EVENT_KEY_REQUIRED = 2, 66497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 67497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker /** 68497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * This event type indicates that the licensed usage duration for keys in a session 69497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * has expired. The keys are no longer valid. 70497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 71497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker EVENT_KEY_EXPIRED = 3, 72497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 73497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker /** 74497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * This event may indicate some specific vendor-defined condition, see your 75497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * DRM provider documentation for details 76497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 77497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker EVENT_VENDOR_DEFINED = 4 78497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker} AMediaDrmEventType; 79497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 8018a1b5904b352cedef29b95169a1226140d38576Marco Nelissentypedef void (*AMediaDrmEventListener)(AMediaDrm *, const AMediaDrmSessionId *sessionId, 81497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker AMediaDrmEventType eventType, int extra, const uint8_t *data, size_t dataSize); 82497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 83497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 84497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 85497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Query if the given scheme identified by its UUID is supported on this device, and 86497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * whether the drm plugin is able to handle the media container format specified by mimeType. 87497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 88497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * uuid identifies the universal unique ID of the crypto scheme. uuid must be 16 bytes. 89497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * mimeType is the MIME type of the media container, e.g. "video/mp4". If mimeType 90497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * is not known or required, it can be provided as NULL. 91497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 92497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinkerbool AMediaDrm_isCryptoSchemeSupported(const uint8_t *uuid, const char *mimeType); 93497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 94497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 95497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Create a MediaDrm instance from a UUID 96497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * uuid identifies the universal unique ID of the crypto scheme. uuid must be 16 bytes. 97497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 98497ca097bf373ac69405131bd257915c97b31dc0Jeff TinkerAMediaDrm* AMediaDrm_createByUUID(const uint8_t *uuid); 99497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 100497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 101497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Release a MediaDrm object 102497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 103497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinkervoid AMediaDrm_release(AMediaDrm *); 104497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 105497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 106497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Register a callback to be invoked when an event occurs 107497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 108497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * listener is the callback that will be invoked on event 109497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 1107c96d53a65085f42ac2b6d416cbc16fd36ed72ffMarco Nelissenmedia_status_t AMediaDrm_setOnEventListener(AMediaDrm *, AMediaDrmEventListener listener); 111497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 112497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 113497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Open a new session with the MediaDrm object. A session ID is returned. 114497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 115497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * returns MEDIADRM_NOT_PROVISIONED_ERROR if provisioning is needed 116497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * returns MEDIADRM_RESOURCE_BUSY_ERROR if required resources are in use 117497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 11818a1b5904b352cedef29b95169a1226140d38576Marco Nelissenmedia_status_t AMediaDrm_openSession(AMediaDrm *, AMediaDrmSessionId *sessionId); 119497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 120497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 121497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Close a session on the MediaDrm object that was previously opened 122497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * with AMediaDrm_openSession. 123497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 12418a1b5904b352cedef29b95169a1226140d38576Marco Nelissenmedia_status_t AMediaDrm_closeSession(AMediaDrm *, const AMediaDrmSessionId *sessionId); 125497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 126497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinkertypedef enum AMediaDrmKeyType { 127497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker /** 128497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * This key request type species that the keys will be for online use, they will 129497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * not be saved to the device for subsequent use when the device is not connected 130497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * to a network. 131497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 132497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker KEY_TYPE_STREAMING = 1, 133497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 134497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker /** 135497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * This key request type specifies that the keys will be for offline use, they 136497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * will be saved to the device for use when the device is not connected to a network. 137497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 138497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker KEY_TYPE_OFFLINE = 2, 139497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 140497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker /** 141497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * This key request type specifies that previously saved offline keys should be released. 142497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 143497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker KEY_TYPE_RELEASE = 3 144497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker} AMediaDrmKeyType; 145497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 146497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 147497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Data type containing {key, value} pair 148497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 149497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinkertypedef struct AMediaDrmKeyValuePair { 150497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker const char *mKey; 151497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker const char *mValue; 152497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker} AMediaDrmKeyValue; 153497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 154497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 155497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * A key request/response exchange occurs between the app and a license server 156497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * to obtain or release keys used to decrypt encrypted content. 157497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * AMediaDrm_getKeyRequest is used to obtain an opaque key request byte array that 158497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * is delivered to the license server. The opaque key request byte array is 159497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * returned in KeyRequest.data. The recommended URL to deliver the key request to 160497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * is returned in KeyRequest.defaultUrl. 161497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 162497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * After the app has received the key request response from the server, 163497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * it should deliver to the response to the DRM engine plugin using the method 164497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * AMediaDrm_provideKeyResponse. 165497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 166497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * scope may be a sessionId or a keySetId, depending on the specified keyType. 167497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * When the keyType is KEY_TYPE_STREAMING or KEY_TYPE_OFFLINE, scope should be set 168497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * to the sessionId the keys will be provided to. When the keyType is 169497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * KEY_TYPE_RELEASE, scope should be set to the keySetId of the keys being released. 170497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Releasing keys from a device invalidates them for all sessions. 171497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 172497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * init container-specific data, its meaning is interpreted based on the mime type 173497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * provided in the mimeType parameter. It could contain, for example, the content 174497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * ID, key ID or other data obtained from the content metadata that is required in 175497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * generating the key request. init may be null when keyType is KEY_TYPE_RELEASE. 176497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 177497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * initSize is the number of bytes of initData 178497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 179497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * mimeType identifies the mime type of the content. 180497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 181497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * keyType specifes the type of the request. The request may be to acquire keys for 182497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * streaming or offline content, or to release previously acquired keys, which are 183497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * identified by a keySetId. 184497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 185497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * optionalParameters are included in the key request message to allow a client 186497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * application to provide additional message parameters to the server. 187497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 188497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * numOptionalParameters indicates the number of optional parameters provided 189497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * by the caller 190497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 191497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * On exit: 192497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 1. The keyRequest pointer will reference the opaque key request data. It 193497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * will reside in memory owned by the AMediaDrm object, and will remain 194497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * accessible until the next call to AMediaDrm_getKeyRequest or until the 195497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * MediaDrm object is released. 196497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 2. keyRequestSize will be set to the size of the request 197497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 198497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * returns MEDIADRM_NOT_PROVISIONED_ERROR if reprovisioning is needed, due to a 199497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * problem with the device certificate. 200497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker*/ 20118a1b5904b352cedef29b95169a1226140d38576Marco Nelissenmedia_status_t AMediaDrm_getKeyRequest(AMediaDrm *, const AMediaDrmScope *scope, 202497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker const uint8_t *init, size_t initSize, const char *mimeType, AMediaDrmKeyType keyType, 203497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker const AMediaDrmKeyValue *optionalParameters, size_t numOptionalParameters, 20418a1b5904b352cedef29b95169a1226140d38576Marco Nelissen const uint8_t **keyRequest, size_t *keyRequestSize); 205497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 206497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 207497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * A key response is received from the license server by the app, then it is 208497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * provided to the DRM engine plugin using provideKeyResponse. When the 209497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * response is for an offline key request, a keySetId is returned that can be 210497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * used to later restore the keys to a new session with AMediaDrm_restoreKeys. 211497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * When the response is for a streaming or release request, a null keySetId is 212497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * returned. 213497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 214497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * scope may be a sessionId or keySetId depending on the type of the 215497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * response. Scope should be set to the sessionId when the response is for either 216497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * streaming or offline key requests. Scope should be set to the keySetId when 217497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * the response is for a release request. 218497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 219497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * response points to the opaque response from the server 220497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * responseSize should be set to the size of the response in bytes 221497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 222497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 22318a1b5904b352cedef29b95169a1226140d38576Marco Nelissenmedia_status_t AMediaDrm_provideKeyResponse(AMediaDrm *, const AMediaDrmScope *scope, 22418a1b5904b352cedef29b95169a1226140d38576Marco Nelissen const uint8_t *response, size_t responseSize, AMediaDrmKeySetId *keySetId); 225497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 226497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 227497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Restore persisted offline keys into a new session. keySetId identifies the 228497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * keys to load, obtained from a prior call to AMediaDrm_provideKeyResponse. 229497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 230497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * sessionId is the session ID for the DRM session 231497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * keySetId identifies the saved key set to restore 232497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 23318a1b5904b352cedef29b95169a1226140d38576Marco Nelissenmedia_status_t AMediaDrm_restoreKeys(AMediaDrm *, const AMediaDrmSessionId *sessionId, 23418a1b5904b352cedef29b95169a1226140d38576Marco Nelissen const AMediaDrmKeySetId *keySetId); 235497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 236497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 237497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Remove the current keys from a session. 238497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 239497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * keySetId identifies keys to remove 240497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 24118a1b5904b352cedef29b95169a1226140d38576Marco Nelissenmedia_status_t AMediaDrm_removeKeys(AMediaDrm *, const AMediaDrmSessionId *keySetId); 242497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 243497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 244497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Request an informative description of the key status for the session. The status is 245497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * in the form of {key, value} pairs. Since DRM license policies vary by vendor, 246497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * the specific status field names are determined by each DRM vendor. Refer to your 247497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * DRM provider documentation for definitions of the field names for a particular 248497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * DRM engine plugin. 249497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 250497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * On entry, numPairs should be set by the caller to the maximum number of pairs 251497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * that can be returned (the size of the array). On exit, numPairs will be set 252497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * to the number of entries written to the array. If the number of {key, value} pairs 253497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * to be returned is greater than *numPairs, MEDIADRM_SHORT_BUFFER will be returned 254497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * and numPairs will be set to the number of pairs available. 255497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 25618a1b5904b352cedef29b95169a1226140d38576Marco Nelissenmedia_status_t AMediaDrm_queryKeyStatus(AMediaDrm *, const AMediaDrmSessionId *sessionId, 25718a1b5904b352cedef29b95169a1226140d38576Marco Nelissen AMediaDrmKeyValue *keyValuePairs, size_t *numPairs); 258497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 259497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 260497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 261497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * A provision request/response exchange occurs between the app and a provisioning 262497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * server to retrieve a device certificate. If provisionining is required, the 263497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * EVENT_PROVISION_REQUIRED event will be sent to the event handler. 264497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * getProvisionRequest is used to obtain the opaque provision request byte array that 265497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * should be delivered to the provisioning server. 266497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * On exit: 267497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 1. The provision request data will be referenced by provisionRequest, in 268497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * memory owned by the AMediaDrm object. It will remain accessible until the 269497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * next call to getProvisionRequest. 270497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 2. provisionRequestSize will be set to the size of the request data. 271497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 3. serverUrl will reference a NULL terminated string containing the URL 272497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * the provisioning request should be sent to. It will remain accessible until 273497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * the next call to getProvisionRequest. 274497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 27518a1b5904b352cedef29b95169a1226140d38576Marco Nelissenmedia_status_t AMediaDrm_getProvisionRequest(AMediaDrm *, const uint8_t **provisionRequest, 27618a1b5904b352cedef29b95169a1226140d38576Marco Nelissen size_t *provisionRequestSize, const char **serverUrl); 277497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 278497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 279497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 280497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * After a provision response is received by the app, it is provided to the DRM 281497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * engine plugin using this method. 282497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 283497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * response is the opaque provisioning response byte array to provide to the 284497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * DRM engine plugin. 285497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * responseSize is the length of the provisioning response in bytes. 286497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 287497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * returns MEDIADRM_DEVICE_REVOKED_ERROR if the response indicates that the 288497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * server rejected the request 289497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 290e419d7cd5c62b4b5866a45d59c5770bb470193c1Marco Nelissenmedia_status_t AMediaDrm_provideProvisionResponse(AMediaDrm *, 291497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker const uint8_t *response, size_t responseSize); 292497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 293497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 294497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 295497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * A means of enforcing limits on the number of concurrent streams per subscriber 296497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * across devices is provided via SecureStop. This is achieved by securely 297497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * monitoring the lifetime of sessions. 298497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 299497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Information from the server related to the current playback session is written 300497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * to persistent storage on the device when each MediaCrypto object is created. 301497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 302497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * In the normal case, playback will be completed, the session destroyed and the 303497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Secure Stops will be queried. The app queries secure stops and forwards the 304497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * secure stop message to the server which verifies the signature and notifies the 305497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * server side database that the session destruction has been confirmed. The persisted 306497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * record on the client is only removed after positive confirmation that the server 307497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * received the message using releaseSecureStops(). 308497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 309497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * numSecureStops is set by the caller to the maximum number of secure stops to 310497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * return. On exit, *numSecureStops will be set to the number actually returned. 311497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * If *numSecureStops is too small for the number of secure stops available, 312497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * MEDIADRM_SHORT_BUFFER will be returned and *numSecureStops will be set to the 313497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * number required. 314497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 315e419d7cd5c62b4b5866a45d59c5770bb470193c1Marco Nelissenmedia_status_t AMediaDrm_getSecureStops(AMediaDrm *, 31618a1b5904b352cedef29b95169a1226140d38576Marco Nelissen AMediaDrmSecureStop *secureStops, size_t *numSecureStops); 317497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 318497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 319497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Process the SecureStop server response message ssRelease. After authenticating 320497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * the message, remove the SecureStops identified in the response. 321497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 322497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * ssRelease is the server response indicating which secure stops to release 323497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 324e419d7cd5c62b4b5866a45d59c5770bb470193c1Marco Nelissenmedia_status_t AMediaDrm_releaseSecureStops(AMediaDrm *, 32518a1b5904b352cedef29b95169a1226140d38576Marco Nelissen const AMediaDrmSecureStop *ssRelease); 326497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 327497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 328497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * String property name: identifies the maker of the DRM engine plugin 329497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 330c0fcdc07cc3fd44a1fd27fc9b84a5be3651cea22Martin Storsjo#define PROPERTY_VENDOR "vendor" 331497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 332497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 333497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * String property name: identifies the version of the DRM engine plugin 334497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 335c0fcdc07cc3fd44a1fd27fc9b84a5be3651cea22Martin Storsjo#define PROPERTY_VERSION "version" 336497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 337497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 338497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * String property name: describes the DRM engine plugin 339497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 340c0fcdc07cc3fd44a1fd27fc9b84a5be3651cea22Martin Storsjo#define PROPERTY_DESCRIPTION "description" 341497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 342497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 343497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * String property name: a comma-separated list of cipher and mac algorithms 344497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * supported by CryptoSession. The list may be empty if the DRM engine 345497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * plugin does not support CryptoSession operations. 346497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 347c0fcdc07cc3fd44a1fd27fc9b84a5be3651cea22Martin Storsjo#define PROPERTY_ALGORITHMS "algorithms" 348497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 349497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 350497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Read a DRM engine plugin String property value, given the property name string. 351497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 352497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * propertyName identifies the property to query 353497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * On return, propertyValue will be set to point to the property value. The 354497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * memory that the value resides in is owned by the NDK MediaDrm API and 355497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * will remain valid until the next call to AMediaDrm_getPropertyString. 356497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 357e419d7cd5c62b4b5866a45d59c5770bb470193c1Marco Nelissenmedia_status_t AMediaDrm_getPropertyString(AMediaDrm *, const char *propertyName, 35818a1b5904b352cedef29b95169a1226140d38576Marco Nelissen const char **propertyValue); 359497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 360497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 361497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Byte array property name: the device unique identifier is established during 362497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * device provisioning and provides a means of uniquely identifying each device. 363497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 364c0fcdc07cc3fd44a1fd27fc9b84a5be3651cea22Martin Storsjo#define PROPERTY_DEVICE_UNIQUE_ID "deviceUniqueId" 365497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 366497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 367497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Read a DRM engine plugin byte array property value, given the property name string. 368497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * On return, *propertyValue will be set to point to the property value. The 369497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * memory that the value resides in is owned by the NDK MediaDrm API and 370497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * will remain valid until the next call to AMediaDrm_getPropertyByteArray. 371497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 372e419d7cd5c62b4b5866a45d59c5770bb470193c1Marco Nelissenmedia_status_t AMediaDrm_getPropertyByteArray(AMediaDrm *, const char *propertyName, 37318a1b5904b352cedef29b95169a1226140d38576Marco Nelissen AMediaDrmByteArray *propertyValue); 374497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 375497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 376497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Set a DRM engine plugin String property value. 377497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 378e419d7cd5c62b4b5866a45d59c5770bb470193c1Marco Nelissenmedia_status_t AMediaDrm_setPropertyString(AMediaDrm *, const char *propertyName, 379497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker const char *value); 380497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 381497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 382497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Set a DRM engine plugin byte array property value. 383497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 384e419d7cd5c62b4b5866a45d59c5770bb470193c1Marco Nelissenmedia_status_t AMediaDrm_setPropertyByteArray(AMediaDrm *, const char *propertyName, 385497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker const uint8_t *value, size_t valueSize); 386497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 387497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/** 388497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * In addition to supporting decryption of DASH Common Encrypted Media, the 389497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * MediaDrm APIs provide the ability to securely deliver session keys from 390497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * an operator's session key server to a client device, based on the factory-installed 391497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * root of trust, and then perform encrypt, decrypt, sign and verify operations 392497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * with the session key on arbitrary user data. 393497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 394497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Operators create session key servers that receive session key requests and provide 395497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * encrypted session keys which can be used for general purpose crypto operations. 396497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 397497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Generic encrypt/decrypt/sign/verify methods are based on the established session 398497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * keys. These keys are exchanged using the getKeyRequest/provideKeyResponse methods. 399497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * 400497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Applications of this capability include securing various types of purchased or 401497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * private content, such as applications, books and other media, photos or media 402497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * delivery protocols. 403497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 404497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 405497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/* 406497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Encrypt the data referenced by input of length dataSize using algorithm specified 407497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * by cipherAlgorithm, and write the encrypted result into output. The caller must 408497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * ensure that the output buffer is large enough to accept dataSize bytes. The key 409497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * to use is identified by the 16 byte keyId. The key must have been loaded into 410497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * the session using provideKeyResponse. 411497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 41218a1b5904b352cedef29b95169a1226140d38576Marco Nelissenmedia_status_t AMediaDrm_encrypt(AMediaDrm *, const AMediaDrmSessionId *sessionId, 413497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker const char *cipherAlgorithm, uint8_t *keyId, uint8_t *iv, 414497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker const uint8_t *input, uint8_t *output, size_t dataSize); 415497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 416497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/* 417497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Decrypt the data referenced by input of length dataSize using algorithm specified 418497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * by cipherAlgorithm, and write the decrypted result into output. The caller must 419497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * ensure that the output buffer is large enough to accept dataSize bytes. The key 420497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * to use is identified by the 16 byte keyId. The key must have been loaded into 421497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * the session using provideKeyResponse. 422497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 42318a1b5904b352cedef29b95169a1226140d38576Marco Nelissenmedia_status_t AMediaDrm_decrypt(AMediaDrm *, const AMediaDrmSessionId *sessionId, 424497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker const char *cipherAlgorithm, uint8_t *keyId, uint8_t *iv, 425497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker const uint8_t *input, uint8_t *output, size_t dataSize); 426497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 427497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/* 428497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Generate a signature using the specified macAlgorithm over the message data 429497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * referenced by message of size messageSize and store the signature in the 430497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * buffer referenced signature of max size *signatureSize. If the buffer is not 431497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * large enough to hold the signature, MEDIADRM_SHORT_BUFFER is returned and 432497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * *signatureSize is set to the buffer size required. The key to use is identified 433497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * by the 16 byte keyId. The key must have been loaded into the session using 434497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * provideKeyResponse. 435497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 43618a1b5904b352cedef29b95169a1226140d38576Marco Nelissenmedia_status_t AMediaDrm_sign(AMediaDrm *, const AMediaDrmSessionId *sessionId, 437497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker const char *macAlgorithm, uint8_t *keyId, uint8_t *message, size_t messageSize, 438497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker uint8_t *signature, size_t *signatureSize); 439497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 440497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker/* 441497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * Perform a signature verification using the specified macAlgorithm over the message 442497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * data referenced by the message parameter of size messageSize. Returns MEDIADRM_OK 443497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * if the signature matches, otherwise MEDAIDRM_VERIFY_FAILED is returned. The key to 444497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * use is identified by the 16 byte keyId. The key must have been loaded into the 445497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker * session using provideKeyResponse. 446497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker */ 44718a1b5904b352cedef29b95169a1226140d38576Marco Nelissenmedia_status_t AMediaDrm_verify(AMediaDrm *, const AMediaDrmSessionId *sessionId, 448497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker const char *macAlgorithm, uint8_t *keyId, const uint8_t *message, size_t messageSize, 449497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker const uint8_t *signature, size_t signatureSize); 450497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 451497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker#ifdef __cplusplus 452497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker} // extern "C" 453497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker#endif 454497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker 455497ca097bf373ac69405131bd257915c97b31dc0Jeff Tinker#endif //_NDK_MEDIA_DRM_H 456