Files
media_cas_packager_sdk_source/common/drm_root_certificate_test.cc
2018-10-01 14:59:29 -07:00

102 lines
4.0 KiB
C++

////////////////////////////////////////////////////////////////////////////////
// Copyright 2013 Google LLC.
//
// This software is licensed under the terms defined in the Widevine Master
// License Agreement. For a copy of this agreement, please contact
// widevine-licensing@google.com.
////////////////////////////////////////////////////////////////////////////////
//
// Description:
// Unit tests for drm_root_certificate.cc
#include "common/drm_root_certificate.h"
#include <memory>
#include "testing/gunit.h"
#include "common/rsa_key.h"
#include "common/rsa_test_keys.h"
#include "protos/public/drm_certificate.pb.h"
#include "protos/public/errors.pb.h"
#include "protos/public/signed_drm_certificate.pb.h"
namespace widevine {
class DrmRootCertificateTest : public testing::Test {
protected:
DrmRootCertificateTest() {}
util::Status DrmRootCertificateCreate(
const std::string& signed_drm_certificate,
std::unique_ptr<DrmRootCertificate>* cert) {
return DrmRootCertificate::Create(signed_drm_certificate, cert);
}
};
TEST_F(DrmRootCertificateTest, DrmRootCertificateCreation) {
RsaTestKeys test_keys;
std::unique_ptr<DrmRootCertificate> root_cert;
// First, invalid serialized cert. Should fail.
EXPECT_EQ(INVALID_DRM_CERTIFICATE,
DrmRootCertificateCreate("bad_cert", &root_cert).error_code());
SignedDrmCertificate signed_cert;
std::string serialized;
// Serialized empty cert. Should fail.
ASSERT_TRUE(signed_cert.SerializeToString(&serialized));
EXPECT_NE(util::OkStatus(),
DrmRootCertificateCreate(serialized, &root_cert));
// Add public key. Should still fail.
DrmCertificate drm_cert;
drm_cert.set_public_key(test_keys.public_test_key_1_3072_bits());
ASSERT_TRUE(
drm_cert.SerializeToString(signed_cert.mutable_drm_certificate()));
ASSERT_TRUE(signed_cert.SerializeToString(&serialized));
EXPECT_EQ(INVALID_DRM_CERTIFICATE,
DrmRootCertificateCreate(serialized, &root_cert).error_code());
// Now self-sign the cert. Should succeed.
std::unique_ptr<RsaPrivateKey> private_key(
RsaPrivateKey::Create(test_keys.private_test_key_1_3072_bits()));
ASSERT_TRUE(private_key.get());
ASSERT_TRUE(private_key->GenerateSignature(signed_cert.drm_certificate(),
signed_cert.mutable_signature()));
ASSERT_TRUE(signed_cert.SerializeToString(&serialized));
EXPECT_EQ(util::OkStatus(),
DrmRootCertificateCreate(serialized, &root_cert));
ASSERT_TRUE(root_cert);
// Verify the public key.
EXPECT_EQ(test_keys.public_test_key_1_3072_bits(), root_cert->public_key());
}
TEST_F(DrmRootCertificateTest, DrmRootCertificateCreationByType) {
std::unique_ptr<DrmRootCertificate> root_cert;
EXPECT_EQ(util::OkStatus(), DrmRootCertificate::CreateByType(
kCertificateTypeTesting, &root_cert));
ASSERT_TRUE(root_cert != nullptr);
EXPECT_EQ(util::OkStatus(), DrmRootCertificate::CreateByType(
kCertificateTypeDevelopment, &root_cert));
ASSERT_TRUE(root_cert != nullptr);
EXPECT_EQ(util::OkStatus(), DrmRootCertificate::CreateByType(
kCertificateTypeProduction, &root_cert));
ASSERT_TRUE(root_cert != nullptr);
}
TEST_F(DrmRootCertificateTest, DrmRootCertificateDigest) {
const std::string test_cert_hash(
"49f917b1bdfed78002a58e799a58e940"
"1fffaaed9d8d80752782b066757e2c8c");
const std::string dev_cert_hash(
"0e25ee95476a770f30b98ac5ef778b3f"
"137b66c29385b84f547a361b4724b17d");
const std::string prod_cert_hash(
"d62fdabc9286648a81f7d3bedaf2f5a5"
"27bbad39bc38da034ba98a21569adb9b");
EXPECT_EQ(test_cert_hash,
DrmRootCertificate::GetDigest(kCertificateTypeTesting));
EXPECT_EQ(dev_cert_hash,
DrmRootCertificate::GetDigest(kCertificateTypeDevelopment));
EXPECT_EQ(prod_cert_hash,
DrmRootCertificate::GetDigest(kCertificateTypeProduction));
}
} // namespace widevine