MockDrmCryptoPlugin.cpp revision 377b2ec9a2885f9b6405b07ba900a9e3f4349c38 
1/*
2 * Copyright (C) 2013 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//#define LOG_NDEBUG 0
18#define LOG_TAG "MockDrmCryptoPlugin"
19#include <utils/Log.h>
20
21
22#include "drm/DrmAPI.h"
23#include "MockDrmCryptoPlugin.h"
24#include "media/stagefright/MediaErrors.h"
25
26using namespace android;
27
28// Shared library entry point
29DrmFactory *createDrmFactory()
30{
31    return new MockDrmFactory();
32}
33
34// Shared library entry point
35CryptoFactory *createCryptoFactory()
36{
37    return new MockCryptoFactory();
38}
39
40const uint8_t mock_uuid[16] = {0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
41                               0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10};
42
43namespace android {
44
45    // MockDrmFactory
46    bool MockDrmFactory::isCryptoSchemeSupported(const uint8_t uuid[16])
47    {
48        return (!memcmp(uuid, mock_uuid, sizeof(uuid)));
49    }
50
51    bool MockDrmFactory::isContentTypeSupported(const String8 &mimeType)
52    {
53        if (mimeType != "video/mp4") {
54            return false;
55        }
56        return true;
57    }
58
59    status_t MockDrmFactory::createDrmPlugin(const uint8_t uuid[16], DrmPlugin **plugin)
60    {
61        *plugin = new MockDrmPlugin();
62        return OK;
63    }
64
65    // MockCryptoFactory
66    bool MockCryptoFactory::isCryptoSchemeSupported(const uint8_t uuid[16]) const
67    {
68        return (!memcmp(uuid, mock_uuid, sizeof(uuid)));
69    }
70
71    status_t MockCryptoFactory::createPlugin(const uint8_t uuid[16], const void *data,
72                                             size_t size, CryptoPlugin **plugin)
73    {
74        *plugin = new MockCryptoPlugin();
75        return OK;
76    }
77
78
79    // MockDrmPlugin methods
80
81    status_t MockDrmPlugin::openSession(Vector<uint8_t> &sessionId)
82    {
83        const size_t kSessionIdSize = 8;
84
85        Mutex::Autolock lock(mLock);
86        for (size_t i = 0; i < kSessionIdSize / sizeof(long); i++) {
87            long r = random();
88            sessionId.appendArray((uint8_t *)&r, sizeof(long));
89        }
90        mSessions.add(sessionId);
91
92        ALOGD("MockDrmPlugin::openSession() -> %s", vectorToString(sessionId).string());
93        return OK;
94    }
95
96    status_t MockDrmPlugin::closeSession(Vector<uint8_t> const &sessionId)
97    {
98        Mutex::Autolock lock(mLock);
99        ALOGD("MockDrmPlugin::closeSession(%s)", vectorToString(sessionId).string());
100        ssize_t index = findSession(sessionId);
101        if (index == kNotFound) {
102            ALOGD("Invalid sessionId");
103            return BAD_VALUE;
104        }
105        mSessions.removeAt(index);
106        return OK;
107    }
108
109
110    status_t MockDrmPlugin::getKeyRequest(Vector<uint8_t> const &sessionId,
111                                          Vector<uint8_t> const &initData,
112                                          String8 const &mimeType, KeyType keyType,
113                                          KeyedVector<String8, String8> const &optionalParameters,
114                                          Vector<uint8_t> &request, String8 &defaultUrl)
115    {
116        Mutex::Autolock lock(mLock);
117        ALOGD("MockDrmPlugin::getKeyRequest(sessionId=%s, initData=%s, mimeType=%s"
118              ", keyType=%d, optionalParameters=%s))",
119              vectorToString(sessionId).string(), vectorToString(initData).string(), mimeType.string(),
120              keyType, stringMapToString(optionalParameters).string());
121
122        ssize_t index = findSession(sessionId);
123        if (index == kNotFound) {
124            ALOGD("Invalid sessionId");
125            return BAD_VALUE;
126        }
127
128        // Properties used in mock test, set by mock plugin and verifed cts test app
129        //   byte[] initData           -> mock-initdata
130        //   string mimeType           -> mock-mimetype
131        //   string keyType            -> mock-keytype
132        //   string optionalParameters -> mock-optparams formatted as {key1,value1},{key2,value2}
133
134        mByteArrayProperties.add(String8("mock-initdata"), initData);
135        mStringProperties.add(String8("mock-mimetype"), mimeType);
136
137        String8 keyTypeStr;
138        keyTypeStr.appendFormat("%d", (int)keyType);
139        mStringProperties.add(String8("mock-keytype"), keyTypeStr);
140
141        String8 params;
142        for (size_t i = 0; i < optionalParameters.size(); i++) {
143            params.appendFormat("%s{%s,%s}", i ? "," : "",
144                                optionalParameters.keyAt(i).string(),
145                                optionalParameters.valueAt(i).string());
146        }
147        mStringProperties.add(String8("mock-optparams"), params);
148
149        // Properties used in mock test, set by cts test app returned from mock plugin
150        //   byte[] mock-request       -> request
151        //   string mock-default-url   -> defaultUrl
152
153        index = mByteArrayProperties.indexOfKey(String8("mock-request"));
154        if (index < 0) {
155            ALOGD("Missing 'mock-request' parameter for mock");
156            return BAD_VALUE;
157        } else {
158            request = mByteArrayProperties.valueAt(index);
159        }
160
161        index = mStringProperties.indexOfKey(String8("mock-defaultUrl"));
162        if (index < 0) {
163            ALOGD("Missing 'mock-defaultUrl' parameter for mock");
164            return BAD_VALUE;
165        } else {
166            defaultUrl = mStringProperties.valueAt(index);
167        }
168        return OK;
169    }
170
171    status_t MockDrmPlugin::provideKeyResponse(Vector<uint8_t> const &sessionId,
172                                               Vector<uint8_t> const &response,
173                                               Vector<uint8_t> &keySetId)
174    {
175        Mutex::Autolock lock(mLock);
176        ALOGD("MockDrmPlugin::provideKeyResponse(sessionId=%s, response=%s)",
177              vectorToString(sessionId).string(), vectorToString(response).string());
178        ssize_t index = findSession(sessionId);
179        if (index == kNotFound) {
180            ALOGD("Invalid sessionId");
181            return BAD_VALUE;
182        }
183        if (response.size() == 0) {
184            return BAD_VALUE;
185        }
186
187        // Properties used in mock test, set by mock plugin and verifed cts test app
188        //   byte[] response            -> mock-response
189        mByteArrayProperties.add(String8("mock-response"), response);
190
191        const size_t kKeySetIdSize = 8;
192
193        for (size_t i = 0; i < kKeySetIdSize / sizeof(long); i++) {
194            long r = random();
195            keySetId.appendArray((uint8_t *)&r, sizeof(long));
196        }
197        mKeySets.add(keySetId);
198
199        return OK;
200    }
201
202    status_t MockDrmPlugin::removeKeys(Vector<uint8_t> const &keySetId)
203    {
204        Mutex::Autolock lock(mLock);
205        ALOGD("MockDrmPlugin::removeKeys(keySetId=%s)",
206              vectorToString(keySetId).string());
207
208        ssize_t index = findKeySet(keySetId);
209        if (index == kNotFound) {
210            ALOGD("Invalid keySetId");
211            return BAD_VALUE;
212        }
213        mKeySets.removeAt(index);
214
215        return OK;
216    }
217
218    status_t MockDrmPlugin::restoreKeys(Vector<uint8_t> const &sessionId,
219                                        Vector<uint8_t> const &keySetId)
220    {
221        Mutex::Autolock lock(mLock);
222        ALOGD("MockDrmPlugin::restoreKeys(sessionId=%s, keySetId=%s)",
223              vectorToString(sessionId).string(),
224              vectorToString(keySetId).string());
225        ssize_t index = findSession(sessionId);
226        if (index == kNotFound) {
227            ALOGD("Invalid sessionId");
228            return BAD_VALUE;
229        }
230
231        index = findKeySet(keySetId);
232        if (index == kNotFound) {
233            ALOGD("Invalid keySetId");
234            return BAD_VALUE;
235        }
236
237        return OK;
238    }
239
240    status_t MockDrmPlugin::queryKeyStatus(Vector<uint8_t> const &sessionId,
241                                               KeyedVector<String8, String8> &infoMap) const
242    {
243        ALOGD("MockDrmPlugin::queryKeyStatus(sessionId=%s)",
244              vectorToString(sessionId).string());
245
246        ssize_t index = findSession(sessionId);
247        if (index == kNotFound) {
248            ALOGD("Invalid sessionId");
249            return BAD_VALUE;
250        }
251
252        infoMap.add(String8("purchaseDuration"), String8("1000"));
253        infoMap.add(String8("licenseDuration"), String8("100"));
254        return OK;
255    }
256
257    status_t MockDrmPlugin::getProvisionRequest(Vector<uint8_t> &request,
258                                                String8 &defaultUrl)
259    {
260        Mutex::Autolock lock(mLock);
261        ALOGD("MockDrmPlugin::getProvisionRequest()");
262
263        // Properties used in mock test, set by cts test app returned from mock plugin
264        //   byte[] mock-request       -> request
265        //   string mock-default-url   -> defaultUrl
266
267        ssize_t index = mByteArrayProperties.indexOfKey(String8("mock-request"));
268        if (index < 0) {
269            ALOGD("Missing 'mock-request' parameter for mock");
270            return BAD_VALUE;
271        } else {
272            request = mByteArrayProperties.valueAt(index);
273        }
274
275        index = mStringProperties.indexOfKey(String8("mock-defaultUrl"));
276        if (index < 0) {
277            ALOGD("Missing 'mock-defaultUrl' parameter for mock");
278            return BAD_VALUE;
279        } else {
280            defaultUrl = mStringProperties.valueAt(index);
281        }
282        return OK;
283    }
284
285    status_t MockDrmPlugin::provideProvisionResponse(Vector<uint8_t> const &response)
286    {
287        Mutex::Autolock lock(mLock);
288        ALOGD("MockDrmPlugin::provideProvisionResponse(%s)",
289              vectorToString(response).string());
290
291        // Properties used in mock test, set by mock plugin and verifed cts test app
292        //   byte[] response            -> mock-response
293
294        mByteArrayProperties.add(String8("mock-response"), response);
295        return OK;
296    }
297
298    status_t MockDrmPlugin::getSecureStops(List<Vector<uint8_t> > &secureStops)
299    {
300        Mutex::Autolock lock(mLock);
301        ALOGD("MockDrmPlugin::getSecureStops()");
302
303        // Properties used in mock test, set by cts test app returned from mock plugin
304        //   byte[] mock-secure-stop1  -> first secure stop in list
305        //   byte[] mock-secure-stop2  -> second secure stop in list
306
307        Vector<uint8_t> ss1, ss2;
308        ssize_t index = mByteArrayProperties.indexOfKey(String8("mock-secure-stop1"));
309        if (index < 0) {
310            ALOGD("Missing 'mock-secure-stop1' parameter for mock");
311            return BAD_VALUE;
312        } else {
313            ss1 = mByteArrayProperties.valueAt(index);
314        }
315
316        index = mByteArrayProperties.indexOfKey(String8("mock-secure-stop2"));
317        if (index < 0) {
318            ALOGD("Missing 'mock-secure-stop2' parameter for mock");
319            return BAD_VALUE;
320        } else {
321            ss2 = mByteArrayProperties.valueAt(index);
322        }
323
324        secureStops.push_back(ss1);
325        secureStops.push_back(ss2);
326        return OK;
327    }
328
329    status_t MockDrmPlugin::releaseSecureStops(Vector<uint8_t> const &ssRelease)
330    {
331        Mutex::Autolock lock(mLock);
332        ALOGD("MockDrmPlugin::releaseSecureStops(%s)",
333              vectorToString(ssRelease).string());
334
335        // Properties used in mock test, set by mock plugin and verifed cts test app
336        //   byte[] secure-stop-release  -> mock-ssrelease
337        mByteArrayProperties.add(String8("mock-ssrelease"), ssRelease);
338
339        return OK;
340    }
341
342    status_t MockDrmPlugin::getPropertyString(String8 const &name, String8 &value) const
343    {
344        ALOGD("MockDrmPlugin::getPropertyString(name=%s)", name.string());
345        ssize_t index = mStringProperties.indexOfKey(name);
346        if (index < 0) {
347            ALOGD("no property for '%s'", name.string());
348            return BAD_VALUE;
349        }
350        value = mStringProperties.valueAt(index);
351        return OK;
352    }
353
354    status_t MockDrmPlugin::getPropertyByteArray(String8 const &name,
355                                                 Vector<uint8_t> &value) const
356    {
357        ALOGD("MockDrmPlugin::getPropertyByteArray(name=%s)", name.string());
358        ssize_t index = mByteArrayProperties.indexOfKey(name);
359        if (index < 0) {
360            ALOGD("no property for '%s'", name.string());
361            return BAD_VALUE;
362        }
363        value = mByteArrayProperties.valueAt(index);
364        return OK;
365    }
366
367    status_t MockDrmPlugin::setPropertyString(String8 const &name,
368                                              String8 const &value)
369    {
370        Mutex::Autolock lock(mLock);
371        ALOGD("MockDrmPlugin::setPropertyString(name=%s, value=%s)",
372              name.string(), value.string());
373
374        if (name == "mock-send-event") {
375            unsigned code, extra;
376            sscanf(value.string(), "%d %d", &code, &extra);
377            DrmPlugin::EventType eventType = (DrmPlugin::EventType)code;
378
379            Vector<uint8_t> const *pSessionId = NULL;
380            ssize_t index = mByteArrayProperties.indexOfKey(String8("mock-event-session-id"));
381            if (index >= 0) {
382                pSessionId = &mByteArrayProperties[index];
383            }
384
385            Vector<uint8_t> const *pData = NULL;
386            index = mByteArrayProperties.indexOfKey(String8("mock-event-data"));
387            if (index >= 0) {
388                pData = &mByteArrayProperties[index];
389            }
390            ALOGD("sending event from mock drm plugin: %d %d %s %s",
391                  (int)code, extra, pSessionId ? vectorToString(*pSessionId) : "{}",
392                  pData ? vectorToString(*pData) : "{}");
393
394            sendEvent(eventType, extra, pSessionId, pData);
395        } else {
396            mStringProperties.add(name, value);
397        }
398        return OK;
399    }
400
401    status_t MockDrmPlugin::setPropertyByteArray(String8 const &name,
402                                                 Vector<uint8_t> const &value)
403    {
404        Mutex::Autolock lock(mLock);
405        ALOGD("MockDrmPlugin::setPropertyByteArray(name=%s, value=%s)",
406              name.string(), vectorToString(value).string());
407        mByteArrayProperties.add(name, value);
408        return OK;
409    }
410
411    status_t MockDrmPlugin::setCipherAlgorithm(Vector<uint8_t> const &sessionId,
412                                               String8 const &algorithm)
413    {
414        Mutex::Autolock lock(mLock);
415
416        ALOGD("MockDrmPlugin::setCipherAlgorithm(sessionId=%s, algorithm=%s)",
417              vectorToString(sessionId).string(), algorithm.string());
418
419        ssize_t index = findSession(sessionId);
420        if (index == kNotFound) {
421            ALOGD("Invalid sessionId");
422            return BAD_VALUE;
423        }
424
425        if (algorithm == "AES/CBC/NoPadding") {
426            return OK;
427        }
428        return BAD_VALUE;
429    }
430
431    status_t MockDrmPlugin::setMacAlgorithm(Vector<uint8_t> const &sessionId,
432                                            String8 const &algorithm)
433    {
434        Mutex::Autolock lock(mLock);
435
436        ALOGD("MockDrmPlugin::setMacAlgorithm(sessionId=%s, algorithm=%s)",
437              vectorToString(sessionId).string(), algorithm.string());
438
439        ssize_t index = findSession(sessionId);
440        if (index == kNotFound) {
441            ALOGD("Invalid sessionId");
442            return BAD_VALUE;
443        }
444
445        if (algorithm == "HmacSHA256") {
446            return OK;
447        }
448        return BAD_VALUE;
449    }
450
451    status_t MockDrmPlugin::encrypt(Vector<uint8_t> const &sessionId,
452                                    Vector<uint8_t> const &keyId,
453                                    Vector<uint8_t> const &input,
454                                    Vector<uint8_t> const &iv,
455                                    Vector<uint8_t> &output)
456    {
457        Mutex::Autolock lock(mLock);
458        ALOGD("MockDrmPlugin::encrypt(sessionId=%s, keyId=%s, input=%s, iv=%s)",
459              vectorToString(sessionId).string(),
460              vectorToString(keyId).string(),
461              vectorToString(input).string(),
462              vectorToString(iv).string());
463
464        ssize_t index = findSession(sessionId);
465        if (index == kNotFound) {
466            ALOGD("Invalid sessionId");
467            return BAD_VALUE;
468        }
469
470        // Properties used in mock test, set by mock plugin and verifed cts test app
471        //   byte[] keyId              -> mock-keyid
472        //   byte[] input              -> mock-input
473        //   byte[] iv                 -> mock-iv
474        mByteArrayProperties.add(String8("mock-keyid"), keyId);
475        mByteArrayProperties.add(String8("mock-input"), input);
476        mByteArrayProperties.add(String8("mock-iv"), iv);
477
478        // Properties used in mock test, set by cts test app returned from mock plugin
479        //   byte[] mock-output        -> output
480        index = mByteArrayProperties.indexOfKey(String8("mock-output"));
481        if (index < 0) {
482            ALOGD("Missing 'mock-request' parameter for mock");
483            return BAD_VALUE;
484        } else {
485            output = mByteArrayProperties.valueAt(index);
486        }
487        return OK;
488    }
489
490    status_t MockDrmPlugin::decrypt(Vector<uint8_t> const &sessionId,
491                                    Vector<uint8_t> const &keyId,
492                                    Vector<uint8_t> const &input,
493                                    Vector<uint8_t> const &iv,
494                                    Vector<uint8_t> &output)
495    {
496        Mutex::Autolock lock(mLock);
497        ALOGD("MockDrmPlugin::decrypt(sessionId=%s, keyId=%s, input=%s, iv=%s)",
498              vectorToString(sessionId).string(),
499              vectorToString(keyId).string(),
500              vectorToString(input).string(),
501              vectorToString(iv).string());
502
503        ssize_t index = findSession(sessionId);
504        if (index == kNotFound) {
505            ALOGD("Invalid sessionId");
506            return BAD_VALUE;
507        }
508
509        // Properties used in mock test, set by mock plugin and verifed cts test app
510        //   byte[] keyId              -> mock-keyid
511        //   byte[] input              -> mock-input
512        //   byte[] iv                 -> mock-iv
513        mByteArrayProperties.add(String8("mock-keyid"), keyId);
514        mByteArrayProperties.add(String8("mock-input"), input);
515        mByteArrayProperties.add(String8("mock-iv"), iv);
516
517        // Properties used in mock test, set by cts test app returned from mock plugin
518        //   byte[] mock-output        -> output
519        index = mByteArrayProperties.indexOfKey(String8("mock-output"));
520        if (index < 0) {
521            ALOGD("Missing 'mock-request' parameter for mock");
522            return BAD_VALUE;
523        } else {
524            output = mByteArrayProperties.valueAt(index);
525        }
526        return OK;
527    }
528
529    status_t MockDrmPlugin::sign(Vector<uint8_t> const &sessionId,
530                                 Vector<uint8_t> const &keyId,
531                                 Vector<uint8_t> const &message,
532                                 Vector<uint8_t> &signature)
533    {
534        Mutex::Autolock lock(mLock);
535        ALOGD("MockDrmPlugin::sign(sessionId=%s, keyId=%s, message=%s)",
536              vectorToString(sessionId).string(),
537              vectorToString(keyId).string(),
538              vectorToString(message).string());
539
540        ssize_t index = findSession(sessionId);
541        if (index == kNotFound) {
542            ALOGD("Invalid sessionId");
543            return BAD_VALUE;
544        }
545
546        // Properties used in mock test, set by mock plugin and verifed cts test app
547        //   byte[] keyId              -> mock-keyid
548        //   byte[] message            -> mock-message
549        mByteArrayProperties.add(String8("mock-keyid"), keyId);
550        mByteArrayProperties.add(String8("mock-message"), message);
551
552        // Properties used in mock test, set by cts test app returned from mock plugin
553        //   byte[] mock-signature        -> signature
554        index = mByteArrayProperties.indexOfKey(String8("mock-signature"));
555        if (index < 0) {
556            ALOGD("Missing 'mock-request' parameter for mock");
557            return BAD_VALUE;
558        } else {
559            signature = mByteArrayProperties.valueAt(index);
560        }
561        return OK;
562    }
563
564    status_t MockDrmPlugin::verify(Vector<uint8_t> const &sessionId,
565                                   Vector<uint8_t> const &keyId,
566                                   Vector<uint8_t> const &message,
567                                   Vector<uint8_t> const &signature,
568                                   bool &match)
569    {
570        Mutex::Autolock lock(mLock);
571        ALOGD("MockDrmPlugin::verify(sessionId=%s, keyId=%s, message=%s, signature=%s)",
572              vectorToString(sessionId).string(),
573              vectorToString(keyId).string(),
574              vectorToString(message).string(),
575              vectorToString(signature).string());
576
577        ssize_t index = findSession(sessionId);
578        if (index == kNotFound) {
579            ALOGD("Invalid sessionId");
580            return BAD_VALUE;
581        }
582
583        // Properties used in mock test, set by mock plugin and verifed cts test app
584        //   byte[] keyId              -> mock-keyid
585        //   byte[] message            -> mock-message
586        //   byte[] signature          -> mock-signature
587        mByteArrayProperties.add(String8("mock-keyid"), keyId);
588        mByteArrayProperties.add(String8("mock-message"), message);
589        mByteArrayProperties.add(String8("mock-signature"), signature);
590
591        // Properties used in mock test, set by cts test app returned from mock plugin
592        //   String mock-match "1" or "0"         -> match
593        index = mStringProperties.indexOfKey(String8("mock-match"));
594        if (index < 0) {
595            ALOGD("Missing 'mock-request' parameter for mock");
596            return BAD_VALUE;
597        } else {
598            match = atol(mStringProperties.valueAt(index).string());
599        }
600        return OK;
601    }
602
603    ssize_t MockDrmPlugin::findSession(Vector<uint8_t> const &sessionId) const
604    {
605        ALOGD("findSession: nsessions=%d, size=%d", mSessions.size(), sessionId.size());
606        for (size_t i = 0; i < mSessions.size(); ++i) {
607            if (memcmp(mSessions[i].array(), sessionId.array(), sessionId.size()) == 0) {
608                return i;
609            }
610        }
611        return kNotFound;
612    }
613
614    ssize_t MockDrmPlugin::findKeySet(Vector<uint8_t> const &keySetId) const
615    {
616        ALOGD("findKeySet: nkeySets=%d, size=%d", mKeySets.size(), keySetId.size());
617        for (size_t i = 0; i < mKeySets.size(); ++i) {
618            if (memcmp(mKeySets[i].array(), keySetId.array(), keySetId.size()) == 0) {
619                return i;
620            }
621        }
622        return kNotFound;
623    }
624
625
626    // Conversion utilities
627    String8 MockDrmPlugin::vectorToString(Vector<uint8_t> const &vector) const
628    {
629        return arrayToString(vector.array(), vector.size());
630    }
631
632    String8 MockDrmPlugin::arrayToString(uint8_t const *array, size_t len) const
633    {
634        String8 result("{ ");
635        for (size_t i = 0; i < len; i++) {
636            result.appendFormat("0x%02x ", array[i]);
637        }
638        result += "}";
639        return result;
640    }
641
642    String8 MockDrmPlugin::stringMapToString(KeyedVector<String8, String8> map) const
643    {
644        String8 result("{ ");
645        for (size_t i = 0; i < map.size(); i++) {
646            result.appendFormat("%s{name=%s, value=%s}", i > 0 ? ", " : "",
647                                map.keyAt(i).string(), map.valueAt(i).string());
648        }
649        return result + " }";
650    }
651
652    bool operator<(Vector<uint8_t> const &lhs, Vector<uint8_t> const &rhs) {
653        return lhs.size() < rhs.size() || (memcmp(lhs.array(), rhs.array(), lhs.size()) < 0);
654    }
655
656    //
657    // Crypto Plugin
658    //
659
660    bool MockCryptoPlugin::requiresSecureDecoderComponent(const char *mime) const
661    {
662        ALOGD("MockCryptoPlugin::requiresSecureDecoderComponent(mime=%s)", mime);
663        return false;
664    }
665
666    ssize_t
667    MockCryptoPlugin::decrypt(bool secure, const uint8_t key[16], const uint8_t iv[16],
668                              Mode mode, const void *srcPtr, const SubSample *subSamples,
669                              size_t numSubSamples, void *dstPtr, AString *errorDetailMsg)
670    {
671        ALOGD("MockCryptoPlugin::decrypt(secure=%d, key=%s, iv=%s, mode=%d, src=%p, "
672              "subSamples=%s, dst=%p)",
673              (int)secure,
674              arrayToString(key, sizeof(key)).string(),
675              arrayToString(iv, sizeof(iv)).string(),
676              (int)mode, srcPtr,
677              subSamplesToString(subSamples, numSubSamples).string(),
678              dstPtr);
679        return OK;
680    }
681
682    // Conversion utilities
683    String8 MockCryptoPlugin::arrayToString(uint8_t const *array, size_t len) const
684    {
685        String8 result("{ ");
686        for (size_t i = 0; i < len; i++) {
687            result.appendFormat("0x%02x ", array[i]);
688        }
689        result += "}";
690        return result;
691    }
692
693    String8 MockCryptoPlugin::subSamplesToString(SubSample const *subSamples,
694                                                 size_t numSubSamples) const
695    {
696        String8 result;
697        for (size_t i = 0; i < numSubSamples; i++) {
698            result.appendFormat("[%zu] {clear:%zu, encrypted:%zu} ", i,
699                                subSamples[i].mNumBytesOfClearData,
700                                subSamples[i].mNumBytesOfEncryptedData);
701        }
702        return result;
703    }
704
705};
706