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Get System ID From OEM Cert

Browse Source 
(This is a merge from http://go/wvgerrit/30220)

Previously, extracting the system ID was only supported on Keybox-based
systems. This patch adds support for extracting the system ID from the
OEM Certificate chain on Provisioning 3.0 devices. This is done by
getting the Widevine intermediate cert from the chain, finding the
Widevine System ID extension in that cert, and extracting the value.

The code that does the extraction is separate from any code that calls
OEMCrypto so that it can be unit-tested in isolation. This patch adds a
crypto_session_unittest test to do this unit-testing.

Bug: 34776194
Test: crypto_session_unittest
Change-Id: I3e273968208fb31ae6019ccc383b419625d1ae22
This commit is contained in:
John W. Bruce
2017-07-25 17:28:28 -07:00
parent 59daaa9dd4
commit 4d448d8165
7 changed files with 404 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
libwvdrmengine/build_and_run_all_unit_tests.sh
View File

@@ -81,6 +81,7 @@ try_adb_push cdm_engine_test
try_adb_push cdm_feature_test try_adb_push cdm_feature_test
try_adb_push cdm_extended_duration_test try_adb_push cdm_extended_duration_test
try_adb_push cdm_session_unittest try_adb_push cdm_session_unittest
try_adb_push crypto_session_unittest
try_adb_push device_files_unittest try_adb_push device_files_unittest
try_adb_push distribution_test try_adb_push distribution_test
try_adb_push event_metric_test try_adb_push event_metric_test

4
libwvdrmengine/cdm/core/include/crypto_session.h
View File

@@ -169,11 +169,15 @@ class CryptoSession {
const std::string& provider_session_token); const std::string& provider_session_token);
private: private:
friend class CryptoSessionForTest;
bool GetProvisioningMethod(CdmClientTokenType* token_type); bool GetProvisioningMethod(CdmClientTokenType* token_type);
void Init(); void Init();
void Terminate(); void Terminate();
bool GetTokenFromKeybox(std::string* token); bool GetTokenFromKeybox(std::string* token);
bool GetTokenFromOemCert(std::string* token); bool GetTokenFromOemCert(std::string* token);
static bool ExtractSystemIdFromOemCert(const std::string& oem_cert,
uint32_t* system_id);
void GenerateMacContext(const std::string& input_context, void GenerateMacContext(const std::string& input_context,
std::string* deriv_context); std::string* deriv_context);
void GenerateEncryptContext(const std::string& input_context, void GenerateEncryptContext(const std::string& input_context,

167
libwvdrmengine/cdm/core/src/crypto_session.cpp
View File

@@ -7,12 +7,15 @@
#include <arpa/inet.h> // needed for ntoh() #include <arpa/inet.h> // needed for ntoh()
#include <string.h> #include <string.h>
#include <iostream>
#include <algorithm> #include <algorithm>
#include <iostream>
#include <memory>
#include "crypto_key.h" #include "crypto_key.h"
#include "log.h" #include "log.h"
#include "openssl/asn1.h"
#include "openssl/sha.h" #include "openssl/sha.h"
#include "openssl/x509v3.h"
#include "properties.h" #include "properties.h"
#include "pst_report.h" #include "pst_report.h"
#include "string_conversions.h" #include "string_conversions.h"
@@ -33,6 +36,15 @@ const uint32_t kRsaSignatureLength = 256;
const size_t kMaximumChunkSize = 100 * 1024; // 100 KiB const size_t kMaximumChunkSize = 100 * 1024; // 100 KiB
const size_t kEstimatedInitialUsageTableHeader = 40; const size_t kEstimatedInitialUsageTableHeader = 40;
const size_t kOemCryptoApiVersionSupportsBigUsageTables = 13; const size_t kOemCryptoApiVersionSupportsBigUsageTables = 13;
// Constants and utility objects relating to OEM Certificates
const int kExtensionOidSize = 64;
const char* const kWidevineSystemIdExtensionOid = "1.3.6.1.4.1.11129.4.1.1";
struct X509StackDeleter {
void operator()(STACK_OF(X509)* stack) {
sk_X509_pop_free(stack, X509_free);
}
};
} }
namespace wvcdm { namespace wvcdm {
@@ -355,42 +367,153 @@ bool CryptoSession::GetApiVersion(uint32_t* version) {
bool CryptoSession::GetSystemId(uint32_t* system_id) { bool CryptoSession::GetSystemId(uint32_t* system_id) {
if (!system_id) { if (!system_id) {
LOGE("CryptoSession::GetSystemId : No buffer passed to method."); LOGE("CryptoSession::GetSystemId: No buffer passed to method.");
return false; return false;
} }
uint8_t buf[KEYBOX_KEY_DATA_SIZE];
size_t buf_size = sizeof(buf);
LOGV("CryptoSession::GetSystemId: Lock"); LOGV("CryptoSession::GetSystemId: Lock");
AutoLock auto_lock(crypto_lock_); AutoLock auto_lock(crypto_lock_);
if (!initialized_) { if (!initialized_) {
return false; return false;
} }
OEMCryptoResult sts;
M_TIME(
sts = OEMCrypto_GetKeyData(
buf,
&buf_size,
requested_security_level_),
metrics_,
oemcrypto_get_key_data_,
sts,
metrics::Pow2Bucket(buf_size),
requested_security_level_);
if (OEMCrypto_SUCCESS != sts) { if (pre_provision_token_type_ == kClientTokenKeybox) {
uint8_t buf[KEYBOX_KEY_DATA_SIZE];
size_t buf_size = sizeof(buf);
OEMCryptoResult sts;
M_TIME(
sts = OEMCrypto_GetKeyData(
buf,
&buf_size,
requested_security_level_),
metrics_,
oemcrypto_get_key_data_,
sts,
metrics::Pow2Bucket(buf_size),
requested_security_level_);
if (OEMCrypto_SUCCESS != sts) {
LOGE("CryptoSession::GetSystemId: OEMCrypto_GetKeyData failed with %d",
sts);
return false;
}
// Decode 32-bit int encoded as network-byte-order byte array starting at
// index 4.
uint32_t* id = reinterpret_cast<uint32_t*>(&buf[4]);
*system_id = ntohl(*id);
return true;
} else if (pre_provision_token_type_ == kClientTokenOemCert) {
// Get the OEM Cert
std::string oem_cert;
if (GetTokenFromOemCert(&oem_cert)) {
return ExtractSystemIdFromOemCert(oem_cert, system_id);
} else {
return false;
}
} else {
LOGE("CryptoSession::GetSystemId: Unsupported pre-provision token type %d",
pre_provision_token_type_);
return false;
}
}
bool CryptoSession::ExtractSystemIdFromOemCert(const std::string& oem_cert,
uint32_t* system_id) {
// Parse the OEM Cert chain into an OpenSSL X509 Stack
const std::unique_ptr<STACK_OF(X509), X509StackDeleter>
x509_stack(sk_X509_new_null());
if (!x509_stack) {
LOGE("CryptoSession::GetSystemId: Unable to allocate X509 Stack.");
return false; return false;
} }
// Decode 32-bit int encoded as network-byte-order byte array starting at CBS pkcs7;
// index 4. CBS_init(&pkcs7, reinterpret_cast<const uint8_t*>(oem_cert.data()),
uint32_t* id = reinterpret_cast<uint32_t*>(&buf[4]); oem_cert.size());
if (!PKCS7_get_certificates(x509_stack.get(), &pkcs7)) {
LOGE("CryptoSession::GetSystemId: Error getting certificate chain.");
return false;
}
*system_id = ntohl(*id); // Get the Widevine intermediate cert from the stack
return true; if (sk_X509_num(x509_stack.get()) != 2) {
LOGE("CryptoSession::GetSystemId: Expected 2 certificates in chain, got %d",
sk_X509_num(x509_stack.get()));
return false;
}
X509* const intermediate_cert = sk_X509_value(x509_stack.get(), 1);
if (!intermediate_cert) {
LOGE("CryptoSession::GetSystemId: Unable to get intermediate cert.");
return false;
}
// Find the Widevine System ID extension in the intermediate cert
const int extension_count = X509_get_ext_count(intermediate_cert);
for (int i = 0; i < extension_count; ++i) {
X509_EXTENSION* const extension = X509_get_ext(intermediate_cert, i);
if (!extension) {
LOGE("CryptoSession::GetSystemId: Unable to get cert extension %d", i);
continue;
}
ASN1_OBJECT* const extension_object = X509_EXTENSION_get_object(extension);
if (!extension_object) {
LOGE("CryptoSession::GetSystemId: Unable to get object of cert "
"extension %d", i);
continue;
}
char extension_name[kExtensionOidSize + 1];
OBJ_obj2txt(extension_name, kExtensionOidSize, extension_object, 1);
if (strcmp(extension_name, kWidevineSystemIdExtensionOid) != 0) {
// This extension is not the Widevine System ID, so we should move on to
// the next one.
continue;
}
ASN1_OCTET_STRING* const octet_str = X509_EXTENSION_get_data(extension);
if (!octet_str) {
LOGE("CryptoSession::GetSystemId: Unable to get data of Widevine System "
"ID extension.");
return false;
}
const unsigned char* data = octet_str->data;
if (!data) {
LOGE("CryptoSession::GetSystemId: Null data in Widevine System ID "
"extension.");
return false;
}
ASN1_INTEGER* const asn1_integer =
d2i_ASN1_INTEGER(NULL, &data, octet_str->length);
if (!asn1_integer) {
LOGE("CryptoSession::GetSystemId: Unable to decode data in Widevine "
"System ID extension.");
return false;
}
const long system_id_long = ASN1_INTEGER_get(asn1_integer);
ASN1_INTEGER_free(asn1_integer);
if (system_id_long == -1) {
LOGE("CryptoSession::GetSystemId: Unable to decode ASN integer in "
"Widevine System ID extension.");
return false;
}
*system_id = static_cast<uint32_t>(system_id_long);
return true;
}
LOGE("CryptoSession::GetSystemId: Widevine System ID extension not found.");
return false;
} }
bool CryptoSession::GetProvisioningId(std::string* provisioning_id) { bool CryptoSession::GetProvisioningId(std::string* provisioning_id) {
if (!provisioning_id) { if (!provisioning_id) {
LOGE("CryptoSession::GetProvisioningId : No buffer passed to method."); LOGE("CryptoSession::GetProvisioningId : No buffer passed to method.");

248
libwvdrmengine/cdm/core/test/crypto_session_unittest.cpp Normal file
View File

@@ -0,0 +1,248 @@
// Copyright 2017 Google Inc. All Rights Reserved.
#include <string>
#include <gtest/gtest.h>
#include "crypto_session.h"
#include "scoped_ptr.h"
namespace {
const uint8_t kOemCert[] = {
0x30, 0x82, 0x09, 0xf7, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d,
0x01, 0x07, 0x02, 0xa0, 0x82, 0x09, 0xe8, 0x30, 0x82, 0x09, 0xe4, 0x02,
0x01, 0x01, 0x31, 0x00, 0x30, 0x0f, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86,
0xf7, 0x0d, 0x01, 0x07, 0x01, 0xa0, 0x02, 0x04, 0x00, 0xa0, 0x82, 0x09,
0xc8, 0x30, 0x82, 0x04, 0x1a, 0x30, 0x82, 0x03, 0x02, 0xa0, 0x03, 0x02,
0x01, 0x02, 0x02, 0x11, 0x00, 0xf2, 0xa1, 0x08, 0xdf, 0x12, 0x84, 0xb9,
0x73, 0x6c, 0x23, 0x73, 0xe1, 0x1f, 0xf3, 0xac, 0x7a, 0x30, 0x0d, 0x06,
0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0b, 0x05, 0x00,
0x30, 0x81, 0x8b, 0x31, 0x0b, 0x30, 0x09, 0x06, 0x03, 0x55, 0x04, 0x06,
0x13, 0x02, 0x55, 0x53, 0x31, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04,
0x08, 0x0c, 0x0a, 0x57, 0x61, 0x73, 0x68, 0x69, 0x6e, 0x67, 0x74, 0x6f,
0x6e, 0x31, 0x11, 0x30, 0x0f, 0x06, 0x03, 0x55, 0x04, 0x07, 0x0c, 0x08,
0x4b, 0x69, 0x72, 0x6b, 0x6c, 0x61, 0x6e, 0x64, 0x31, 0x0f, 0x30, 0x0d,
0x06, 0x03, 0x55, 0x04, 0x0a, 0x0c, 0x06, 0x47, 0x6f, 0x6f, 0x67, 0x6c,
0x65, 0x31, 0x11, 0x30, 0x0f, 0x06, 0x03, 0x55, 0x04, 0x0b, 0x0c, 0x08,
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0xa2, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01,
0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x8f, 0x00, 0x30, 0x82, 0x01,
0x8a, 0x02, 0x82, 0x01, 0x81, 0x00, 0xf5, 0x09, 0x64, 0x4a, 0x26, 0xfe,
0xc0, 0x98, 0x55, 0x6a, 0x1d, 0x5d, 0x1c, 0xc7, 0x38, 0xaf, 0xfd, 0x49,
0x9e, 0x85, 0x3f, 0xd6, 0x45, 0x0e, 0x99, 0x09, 0x85, 0x69, 0x84, 0x3c,
0xfe, 0x72, 0xa5, 0x56, 0xfa, 0x11, 0x4f, 0x6b, 0x7d, 0x32, 0x2b, 0x0c,
0xbf, 0x8f, 0xac, 0x47, 0x96, 0x22, 0x82, 0x3d, 0xf5, 0x64, 0x74, 0x7e,
0x62, 0x68, 0x74, 0xcd, 0x0a, 0xec, 0x84, 0xc5, 0x15, 0x06, 0x0e, 0x5a,
0x2f, 0x20, 0xe3, 0xc9, 0x67, 0xcd, 0xdd, 0x01, 0xb8, 0xb3, 0x18, 0x87,
0x8c, 0xa9, 0x58, 0x86, 0x0f, 0xb6, 0xc3, 0x42, 0x7e, 0x87, 0x48, 0x5e,
0x10, 0x49, 0xc7, 0xd7, 0xb7, 0xb8, 0xa6, 0x34, 0x08, 0x0c, 0x94, 0xf4,
0xbb, 0x2a, 0x06, 0xa4, 0x4f, 0xec, 0xbc, 0xc4, 0x37, 0xbe, 0x99, 0x10,
0x23, 0x37, 0x24, 0xb1, 0xdf, 0xcb, 0xe6, 0x3f, 0xc1, 0xf0, 0x0f, 0x04,
0x03, 0xc8, 0xb0, 0x1e, 0xd6, 0xb8, 0xae, 0x77, 0xe1, 0x4d, 0x6d, 0x97,
0x69, 0x6d, 0x8a, 0x73, 0x66, 0x32, 0x57, 0x6f, 0xcf, 0xea, 0x1e, 0x7b,
0x87, 0x03, 0x75, 0xb1, 0xef, 0x83, 0x64, 0x26, 0xf1, 0x3f, 0xbf, 0xe6,
0x28, 0x03, 0x72, 0x57, 0xbf, 0x47, 0x29, 0x99, 0x8f, 0x74, 0x1d, 0x01,
0x16, 0xad, 0xb2, 0xdf, 0x80, 0xa4, 0xd3, 0x8b, 0xeb, 0x61, 0xd1, 0x40,
0x68, 0xb9, 0xa2, 0xa5, 0xef, 0x2b, 0xe5, 0x78, 0xe8, 0x28, 0x88, 0x87,
0xb7, 0x53, 0x49, 0xbb, 0xe4, 0xea, 0x0d, 0x5e, 0x96, 0xa5, 0xdd, 0x1f,
0x0b, 0x25, 0x8b, 0xb5, 0x95, 0x46, 0xe7, 0xba, 0xb8, 0xc4, 0x0a, 0x36,
0xb1, 0x89, 0xeb, 0x27, 0x5d, 0xd9, 0x97, 0x24, 0x59, 0xa3, 0x9b, 0xb0,
0x23, 0x0b, 0xd2, 0xec, 0x65, 0x91, 0xf9, 0xf0, 0xa0, 0x74, 0x5f, 0xb4,
0xce, 0x22, 0x27, 0x18, 0x37, 0xe2, 0x4b, 0xfc, 0x91, 0xf9, 0x09, 0x15,
0xe6, 0xdb, 0x06, 0x9b, 0x4d, 0x82, 0xdc, 0x36, 0x14, 0x48, 0xc6, 0xd5,
0x87, 0xca, 0xec, 0x5a, 0xa2, 0x29, 0x33, 0xef, 0x22, 0x0c, 0x4b, 0xbf,
0xe7, 0x2f, 0x95, 0xe1, 0xd3, 0xa5, 0xd8, 0xaa, 0x44, 0x77, 0x29, 0xa3,
0x20, 0x33, 0xd2, 0x51, 0xa2, 0xf9, 0x4a, 0x6f, 0xf7, 0x3e, 0xf7, 0x0b,
0x8a, 0xec, 0xc1, 0x99, 0x1d, 0x47, 0xf3, 0x74, 0x02, 0x04, 0xab, 0x8e,
0x62, 0x4c, 0x9e, 0x00, 0xc2, 0x84, 0xd7, 0xd0, 0xf8, 0xe4, 0x1c, 0x9d,
0x98, 0x15, 0xa8, 0x8f, 0x08, 0x98, 0x4e, 0x5a, 0xfa, 0xd6, 0x60, 0x87,
0x12, 0xdc, 0x8e, 0xfd, 0xcb, 0xb3, 0x13, 0x97, 0x7a, 0xa8, 0x8c, 0x56,
0x2e, 0x49, 0x26, 0x60, 0xe9, 0x4a, 0xdc, 0xec, 0x3f, 0xf0, 0x94, 0xcd,
0x90, 0x8e, 0x7c, 0x21, 0x3f, 0x80, 0x14, 0x33, 0xdd, 0xb0, 0x00, 0xe2,
0x09, 0x37, 0x06, 0xdd, 0x17, 0x69, 0x02, 0x03, 0x01, 0x00, 0x01, 0xa3,
0x16, 0x30, 0x14, 0x30, 0x12, 0x06, 0x0a, 0x2b, 0x06, 0x01, 0x04, 0x01,
0xd6, 0x79, 0x04, 0x01, 0x01, 0x04, 0x04, 0x02, 0x02, 0x1c, 0xb2, 0x30,
0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x0b,
0x05, 0x00, 0x03, 0x82, 0x01, 0x01, 0x00, 0x8e, 0x2d, 0x13, 0x1e, 0x60,
0xaa, 0xda, 0x52, 0x53, 0x55, 0x64, 0x3a, 0xdc, 0xb6, 0x7a, 0xc0, 0xba,
0xfa, 0xeb, 0x20, 0xab, 0xb6, 0x63, 0xcf, 0xcd, 0x9b, 0xdb, 0x71, 0xf3,
0xa0, 0xd6, 0x91, 0xbf, 0x0c, 0xc1, 0xae, 0x8f, 0x02, 0x18, 0x00, 0x54,
0xfb, 0x49, 0x03, 0x34, 0x8d, 0x92, 0x9d, 0x5d, 0x8d, 0xa8, 0x1c, 0x20,
0x0f, 0x85, 0x60, 0xf9, 0xf6, 0x8b, 0xbb, 0x2b, 0x82, 0xce, 0xb3, 0xe2,
0x91, 0xe7, 0xbd, 0x91, 0x61, 0x52, 0x36, 0x40, 0x9f, 0x2f, 0x5e, 0xa6,
0x5d, 0x2f, 0xb3, 0x81, 0xe7, 0xf1, 0x87, 0xbe, 0xc5, 0x9d, 0x67, 0x5a,
0xf7, 0x41, 0x1e, 0x73, 0xb0, 0x1e, 0xdc, 0x4f, 0x8d, 0x53, 0x21, 0x38,
0x1b, 0xfd, 0x92, 0x43, 0x68, 0x83, 0x03, 0xd0, 0x9a, 0xca, 0x92, 0x14,
0x73, 0x04, 0x94, 0x2a, 0x93, 0x22, 0x60, 0x5e, 0xee, 0xb6, 0xec, 0x0f,
0xb0, 0xc8, 0x92, 0x97, 0xfb, 0x5d, 0xed, 0x1f, 0xa0, 0x5f, 0xe4, 0x98,
0x2f, 0xf6, 0x13, 0x78, 0x99, 0xec, 0xb3, 0xf1, 0x0d, 0x27, 0xaa, 0x19,
0x95, 0x39, 0xdb, 0xb0, 0x7b, 0x96, 0x74, 0x03, 0x5e, 0x51, 0xf5, 0x15,
0x27, 0xce, 0xca, 0x0b, 0x2a, 0x0d, 0x43, 0xb3, 0x68, 0x17, 0x1e, 0x11,
0x60, 0xd9, 0x84, 0x9b, 0xc3, 0x53, 0xce, 0xbd, 0xf4, 0x61, 0x51, 0x4b,
0x41, 0x00, 0x7e, 0xe1, 0x5f, 0x69, 0xb3, 0x4a, 0x89, 0x7e, 0x47, 0x67,
0xfd, 0x76, 0xf8, 0x94, 0x2f, 0x72, 0xb6, 0x14, 0x08, 0x2c, 0x16, 0x4e,
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0x90, 0x66, 0xe3, 0xca, 0x46, 0x53, 0x3e, 0x98, 0xff, 0x2e, 0x78, 0x9f,
0xd3, 0xa1, 0x12, 0x93, 0x66, 0x7d, 0xcc, 0x94, 0x6b, 0xec, 0x19, 0x0e,
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0x09, 0x59, 0xda, 0x2e, 0x55, 0x59, 0xff, 0x3c, 0x1b, 0xf6, 0xf8, 0x9a,
0xc4, 0x1c, 0xf7, 0xac, 0xca, 0xe7, 0x63, 0xf2, 0xc7, 0xd6, 0x0c, 0x2d,
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0xae, 0xda, 0x78, 0x3c, 0x6c, 0xab, 0xa2, 0xaa, 0x36, 0xf0, 0x1c, 0x58,
0xd4, 0x72, 0x5e, 0xe8, 0x8b, 0x41, 0x08, 0xf5, 0x85, 0xdd, 0xee, 0x99,
0x12, 0xf4, 0xd6, 0x41, 0x83, 0x69, 0xe7, 0x79, 0x19, 0xa3, 0x74, 0xc4,
0x34, 0x2a, 0x8a, 0x7e, 0x4d, 0xbb, 0x2c, 0x49, 0x19, 0xf7, 0x98, 0x98,
0xfc, 0x81, 0xf7, 0x9b, 0x7f, 0xff, 0xd9, 0x66, 0xf4, 0x51, 0x14, 0x29,
0x2a, 0x14, 0x1d, 0x4f, 0xbd, 0x91, 0xba, 0x6f, 0x32, 0x34, 0x3c, 0x40,
0x28, 0x6c, 0x97, 0xf8, 0x6d, 0x38, 0xcd, 0xa3, 0x7b, 0x18, 0xc8, 0x77,
0x58, 0x4d, 0x53, 0x30, 0x7f, 0x4d, 0x89, 0xca, 0x95, 0x6e, 0xb5, 0xb8,
0x8e, 0xc8, 0x2d, 0x18, 0x2f, 0x52, 0x2a, 0xde, 0xac, 0x56, 0x8d, 0x8c,
0x67, 0x14, 0xf6, 0xb9, 0xf1, 0x65, 0xd3, 0x22, 0x43, 0xa3, 0x98, 0x42,
0x20, 0x43, 0x4c, 0xdf, 0xf2, 0xeb, 0x31, 0x8c, 0x0e, 0x53, 0x5b, 0x99,
0x82, 0xc3, 0x48, 0x04, 0x53, 0xad, 0x96, 0xb6, 0x9f, 0x52, 0xcc, 0x01,
0xc8, 0xb3, 0x87, 0x6b, 0x9e, 0xea, 0xa9, 0xeb, 0xda, 0xac, 0xf9, 0x6f,
0xde, 0xa1, 0x44, 0x32, 0x52, 0x49, 0x47, 0xff, 0x65, 0x79, 0x1e, 0xc5,
0x73, 0x17, 0xb3, 0x36, 0xfc, 0x45, 0xca, 0x90, 0x37, 0x59, 0x1e, 0x16,
0xab, 0x09, 0x69, 0xcf, 0xda, 0x56, 0x51, 0xfd, 0xeb, 0xcf, 0xcb, 0x8f,
0xb1, 0xc3, 0x45, 0x2b, 0x7c, 0x0a, 0xa5, 0x9c, 0x0d, 0x2c, 0xad, 0x1c,
0xd3, 0x33, 0xdd, 0xfe, 0x93, 0x69, 0xa2, 0x4b, 0x4b, 0xcf, 0x1d, 0x20,
0x98, 0x4a, 0x4f, 0x5b, 0xe9, 0x24, 0xca, 0xfa, 0x18, 0x11, 0x81, 0x8b,
0x7a, 0xb4, 0x5a, 0xc8, 0xdf, 0x6f, 0x5f, 0x21, 0x07, 0x31, 0x00
};
const uint32_t kOemCertSystemId = 7346;
} // namespace
namespace wvcdm {
class CryptoSessionForTest: public CryptoSession {
public:
using CryptoSession::ExtractSystemIdFromOemCert;
};
TEST(CryptoSessionTest, CanExtractSystemIdFromOemCertificate) {
std::string oem_cert(reinterpret_cast<const char*>(kOemCert),
sizeof(kOemCert));
uint32_t system_id;
ASSERT_TRUE(CryptoSessionForTest::ExtractSystemIdFromOemCert(oem_cert,
&system_id));
ASSERT_EQ(kOemCertSystemId, system_id);
}
} // namespace wvcdm

4
libwvdrmengine/cdm/test/Android.mk
View File

@@ -27,6 +27,10 @@ test_name := cdm_session_unittest
test_src_dir := ../core/test test_src_dir := ../core/test
include $(LOCAL_PATH)/unit-test.mk include $(LOCAL_PATH)/unit-test.mk
test_name := crypto_session_unittest
test_src_dir := ../core/test
include $(LOCAL_PATH)/unit-test.mk
test_name := device_files_unittest test_name := device_files_unittest
test_src_dir := ../core/test test_src_dir := ../core/test
include $(LOCAL_PATH)/unit-test.mk include $(LOCAL_PATH)/unit-test.mk

1
libwvdrmengine/run_all_unit_tests.sh
View File

@@ -83,6 +83,7 @@ adb_shell_run base64_test
adb_shell_run buffer_reader_test adb_shell_run buffer_reader_test
adb_shell_run cdm_engine_test adb_shell_run cdm_engine_test
adb_shell_run cdm_session_unittest adb_shell_run cdm_session_unittest
adb_shell_run crypto_session_unittest
adb_shell_run device_files_unittest adb_shell_run device_files_unittest
adb_shell_run distribution_test adb_shell_run distribution_test
adb_shell_run event_metric_test adb_shell_run event_metric_test

1
tests/Android.mk
View File

@@ -12,6 +12,7 @@ WIDEVINE_TEST_MAKE_TARGETS := \
cdm_engine_test \ cdm_engine_test \
cdm_extended_duration_test \ cdm_extended_duration_test \
cdm_session_unittest \ cdm_session_unittest \
crypto_session_unittest \
device_files_unittest \ device_files_unittest \
distribution_test \ distribution_test \
event_metric_test \ event_metric_test \