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Merge "Add tests for Cenc 3.0 cipher and sample modes"

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This commit is contained in:
Rahul Frias
2018-02-08 14:58:41 +00:00
committed by Android (Google) Code Review
parent 91efb844a1 92eaccb3c7
commit 0bc2cf66bc
1 changed files with 154 additions and 4 deletions
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158
libwvdrmengine/cdm/test/request_license_test.cpp
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@@ -881,6 +881,17 @@ const std::string kFullCencPssh = wvcdm::a2bs_hex(
"74657374220a323031355f7465617273"
"2a024844");
const std::string kFullCensPssh = wvcdm::a2bs_hex(
"00000053" // blob size
"70737368" // "pssh"
"00000000" // flags
"edef8ba979d64acea3c827dcd51d21ed" // Widevine system id
"00000033" // pssh data size
"12103030303030303030303030303030" // pssh data
"30321a0d7769646576696e655f746573"
"74220a323031355f746561727348f3dc"
"959b06");
const std::string kFullCbc1Pssh = wvcdm::a2bs_hex(
"00000053" // blob size
"70737368" // "pssh"
@@ -892,6 +903,18 @@ const std::string kFullCbc1Pssh = wvcdm::a2bs_hex(
"74220a323031355f746561727348b1c6"
"899b06");
const std::string kFullCbcsPssh = wvcdm::a2bs_hex(
"00000053" // blob size
"70737368" // "pssh"
"00000000" // flags
"edef8ba979d64acea3c827dcd51d21ed" // Widevine system id
"00000033" // pssh data size
"12103030303030303030303030303030"
"30321a0d7769646576696e655f746573"
"74220a323031355f746561727348f3c6"
"899b06");
struct Cenc30SampleInfo {
bool is_encrypted;
wvcdm::KeyId key_id;
@@ -952,6 +975,31 @@ Cenc30SampleInfo kCenc30CencKey32Sample = {
wvcdm::kCipherModeCtr,
};
Cenc30SampleInfo kCenc30CensKey33Sample = {
true, wvcdm::a2bs_hex("30303030303030303030303030303033"),
wvcdm::a2bs_hex("9FBE45DD47DA7EBA09A3E24CBA95C9AF"),
wvcdm::a2bs_hex(
"011E88387D58EBB8E5CDCC38D431EEF4B6094B9201F200932F8EB5E1A94FB0B977"
"FAB8DFDAD57C677E279615F4EAFA872CA8EFF83179E4DE2AB78E6B41A860C42203"
"4B875AC282406E03AC01F2E407A55DE38C6C35707F34B3319646FA016A01CE9056"
"E55D28C48ED72F10FA6625656ED62B758CBADA757DDC52533C9CBD54FC1A46F827"
"CC7B69BA66AE19A15D725FCBB972B23C83F95C0F00F481A7C9AC868701CB8BE038"
"15BBFFB95FD3A86F142127720A35234070799173B37219127141922CBA8CB2DC48"
"EC2477832D1AE477942DCDA93C0886AF72D71E56DA3D7737E49670B024639A195B"
"7377C7F45A797C6E5DBB1BB2843DA3FC76043E33687BEF3172"),
wvcdm::a2bs_hex(
"E7C566D86E98C36D2DCA54A966E7B469B6094B9201F200932F8EB5E1A94FB0B977"
"FAB8DFDAD57C677E279615F4EAFA872CA8EFF83179E4DE2AB78E6B41A860C42203"
"4B875AC282406E03AC01F2E407A55DE38C6C35707F34B3319646FA016A01CE9056"
"E55D28C48ED72F10FA6625656ED62B758CBADA757DDC52533C9CBD54FC1A46F827"
"CC7B69BA66AE19A15D725FCBB972B23C83F95C0F00F481A7C9AC8687B3A4AD15AD"
"A2ABBB84D8E3CBEC3E8771720A35234070799173B37219127141922CBA8CB2DC48"
"EC2477832D1AE477942DCDA93C0886AF72D71E56DA3D7737E49670B024639A195B"
"7377C7F45A797C6E5DBB1BB2843DA3FC76043E33687BEF3172"),
OEMCrypto_FirstSubsample | OEMCrypto_LastSubsample,
wvcdm::kCipherModeCtr,
};
Cenc30SampleInfo kCenc30Cbc1Key33Sample = {
true, wvcdm::a2bs_hex("30303030303030303030303030303033"),
wvcdm::a2bs_hex("9FBE45DD47DA7EBA09A3E24CBA95C9AF"),
@@ -1002,12 +1050,49 @@ Cenc30SampleInfo kCenc30Cbc1Key32Sample = {
wvcdm::kCipherModeCbc,
};
struct Cenc30SwitchCipherInfo {
Cenc30SampleInfo kCenc30CbcsKey33Sample = {
true, wvcdm::a2bs_hex("30303030303030303030303030303033"),
wvcdm::a2bs_hex("9FBE45DD47DA7EBA09A3E24CBA95C9AF"),
wvcdm::a2bs_hex(
"4392E38BAE263267ED15394DE349AD1577F37B7D906C3A61536EE5A288F66F22F2"
"F5098964B7F2860A848C3C4FD30E538B3BCD2E700DC3FBC1657A6E9EAE44DE97C4"
"6F27C82A49198EE185D92931F093C3342FDBF6CF8203E18CCDC4B88E79C95EC052"
"3FD10F9409945349169FAA8F6A37179D2BEDC04A158A09BCBF742DA05245428788"
"E972B9B465FED5849AEDDB74B8919673C0C8829B5B062A38B3146CB8D497F03A4D"
"5C0A1D463504C1F116A811EF32503695B8FF78D9E93CDF7B2F7493E8043D4DE110"
"FE1D342D1C0175BF1466A544FC0D02DD0E314098256DD65B48098323C3AED9B7E0"
"CF260DBC5A0F09A46E39AE5E26A66ABFA52CBA26FBA83975E4"),
wvcdm::a2bs_hex(
"E7C566D86E98C36D2DCA54A966E7B469B6094B9201F200932F8EB5E1A94FB0B977"
"FAB8DFDAD57C677E279615F4EAFA872CA8EFF83179E4DE2AB78E6B41A860C42203"
"4B875AC282406E03AC01F2E407A55DE38C6C35707F34B3319646FA016A01CE9056"
"E55D28C48ED72F10FA6625656ED62B758CBADA757DDC52533C9CBD54FC1A46F827"
"CC7B69BA66AE19A15D725FCBB972B23C83F95C0F00F481A7C9AC8687B3A4AD15AD"
"A2ABBB84D8E3CBEC3E8771720A35234070799173B37219127141922CBA8CB2DC48"
"EC2477832D1AE477942DCDA93C0886AF72D71E56DA3D7737E49670B024639A195B"
"7377C7F45A797C6E5DBB1BB2843DA3FC76043E33687BEF3172"),
OEMCrypto_FirstSubsample | OEMCrypto_LastSubsample,
wvcdm::kCipherModeCbc,
};
struct SingleSampleDecryptionInfo {
const std::string pssh;
Cenc30SampleInfo sample_info;
};
SingleSampleDecryptionInfo kCenc30DecryptionData[4] = {
{ kFullCencPssh, kCenc30CencKey33Sample },
{ kFullCensPssh, kCenc30CensKey33Sample },
{ kFullCbc1Pssh, kCenc30Cbc1Key33Sample },
{ kFullCbcsPssh, kCenc30CbcsKey33Sample },
};
struct FourSampleDecryptionInfo {
const std::string pssh;
Cenc30SampleInfo sample_info[4];
};
Cenc30SwitchCipherInfo kCenc30SwitchCipherData[8] = {
FourSampleDecryptionInfo kCenc30SwitchCipherData[8] = {
// Switch between cipher modes
{ kFullCencPssh, { kCenc30CencKey33Sample, kCenc30Cbc1Key33Sample,
kCenc30CencKey33Sample, kCenc30Cbc1Key33Sample, } },
@@ -3860,9 +3945,74 @@ INSTANTIATE_TEST_CASE_P(
::testing::Range(&kHlsFourCCBackwardCompatibilityTestVectors[0],
&kHlsFourCCBackwardCompatibilityTestVectors[4]));
class WvCenc30Test
: public WvCdmRequestLicenseTest,
public ::testing::WithParamInterface<SingleSampleDecryptionInfo*> {};
TEST_P(WvCenc30Test, DecryptionTest) {
Provision(kLevel3);
TestWvCdmClientPropertySet client_property_set;
client_property_set.set_security_level(QUERY_VALUE_SECURITY_LEVEL_L3);
std::string value;
EXPECT_EQ(wvcdm::NO_ERROR,
decryptor_.QueryStatus(
kLevel3, wvcdm::QUERY_KEY_OEMCRYPTO_API_VERSION, &value));
std::istringstream ss(value);
uint32_t api_version;
ss >> api_version;
ASSERT_FALSE(ss.fail());
EXPECT_TRUE(ss.eof());
// Ability to switch between cipher modes without re-requesting a license
// was introduced in OEMCrypto v14
if (api_version < 14u)
return;
SingleSampleDecryptionInfo* info = GetParam();
TestWvCdmHlsEventListener listener;
decryptor_.OpenSession(g_key_system, &client_property_set,
kDefaultCdmIdentifier, &listener, &session_id_);
CdmAppParameterMap app_parameters;
GenerateKeyRequest(info->pssh, app_parameters,
kLicenseTypeStreaming, NULL);
VerifyKeyRequestResponse(g_license_server, g_client_auth);
CdmKeyStatusMap key_status_map = listener.GetKeyStatusMap();
EXPECT_EQ(8u, key_status_map.size());
Cenc30SampleInfo* data = &info->sample_info;
std::vector<uint8_t> output_buffer(data->encrypted_data.size(), 0);
std::vector<uint8_t> iv(data->iv.begin(), data->iv.end());
CdmDecryptionParameters decryption_parameters(
&data->key_id,
reinterpret_cast<const uint8_t*>(data->encrypted_data.c_str()),
data->encrypted_data.size(), &iv, 0, &output_buffer[0]);
decryption_parameters.is_encrypted = data->is_encrypted;
decryption_parameters.is_secure = false;
decryption_parameters.cipher_mode = data->cipher_mode;
if (data->cipher_mode == kCipherModeCtr) {
decryption_parameters.pattern_descriptor.encrypt_blocks = 1;
decryption_parameters.pattern_descriptor.skip_blocks = 9;
}
decryption_parameters.subsample_flags = data->subsample_flags;
EXPECT_EQ(NO_ERROR, decryptor_.Decrypt(session_id_, false,
decryption_parameters));
EXPECT_EQ(data->clear_data,
std::string(reinterpret_cast<const char*>(&output_buffer[0]),
output_buffer.size()));
decryptor_.CloseSession(session_id_);
}
INSTANTIATE_TEST_CASE_P(
Cdm, WvCenc30Test,
::testing::Range(&kCenc30DecryptionData[0],
&kCenc30DecryptionData[4]));
class WvCenc30SwitchCipherModeTest
: public WvCdmRequestLicenseTest,
public ::testing::WithParamInterface<Cenc30SwitchCipherInfo*> {};
public ::testing::WithParamInterface<FourSampleDecryptionInfo*> {};
TEST_P(WvCenc30SwitchCipherModeTest, DecryptionTest) {
Provision(kLevel3);
@@ -3884,7 +4034,7 @@ TEST_P(WvCenc30SwitchCipherModeTest, DecryptionTest) {
if (api_version < 14)
return;
Cenc30SwitchCipherInfo* info = GetParam();
FourSampleDecryptionInfo* info = GetParam();
TestWvCdmHlsEventListener listener;
decryptor_.OpenSession(g_key_system, &client_property_set,