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Pick widevine oemcrypto-v18 change

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No-Typo-Check: From a third party header file
Bug: 260918793
Test: unit tests
Test: atp v2/widevine-eng/drm_compliance
Change-Id: I36effd6a10a99bdb2399ab1f4a0fad026d607c70
This commit is contained in:
Kyle Zhang
2022-12-16 03:21:08 +00:00
parent 4586522c07
commit 11255b7426
105 changed files with 324641 additions and 299787 deletions
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149
libwvdrmengine/oemcrypto/test/oemcrypto_session_tests_helper.cpp
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@@ -20,16 +20,23 @@ const uint8_t* find(const vector<uint8_t>& message,
return &(*pos);
}
// This creates a wrapped RSA key.
void SessionUtil::CreateWrappedRSAKey() {
Session s;
ProvisioningRoundTrip provisioning_messages(&s, encoded_rsa_key_);
provisioning_messages.PrepareSession(keybox_);
ASSERT_NO_FATAL_FAILURE(provisioning_messages.SignAndVerifyRequest());
ASSERT_NO_FATAL_FAILURE(provisioning_messages.CreateDefaultResponse());
ASSERT_NO_FATAL_FAILURE(provisioning_messages.EncryptAndSignResponse());
ASSERT_EQ(OEMCrypto_SUCCESS, provisioning_messages.LoadResponse());
wrapped_rsa_key_ = provisioning_messages.wrapped_rsa_key();
void SessionUtil::CreateWrappedDRMKey() {
if (global_features.provisioning_method == OEMCrypto_BootCertificateChain) {
// Have the device create a wrapped key.
CreateProv4DRMKey();
} else {
// Create a wrapped RSA key from encoded_rsa_key_.
Session s;
ProvisioningRoundTrip provisioning_messages(&s, encoded_rsa_key_);
provisioning_messages.PrepareSession(keybox_);
ASSERT_NO_FATAL_FAILURE(provisioning_messages.SignAndVerifyRequest());
ASSERT_NO_FATAL_FAILURE(provisioning_messages.CreateDefaultResponse());
ASSERT_NO_FATAL_FAILURE(provisioning_messages.EncryptAndSignResponse());
ASSERT_EQ(OEMCrypto_SUCCESS, provisioning_messages.LoadResponse());
wrapped_drm_key_ = provisioning_messages.wrapped_rsa_key();
drm_key_type_ = OEMCrypto_RSA_Private_Key;
drm_public_key_.clear();
}
}
void SessionUtil::InstallKeybox(const wvoec::WidevineKeybox& keybox,
@@ -48,7 +55,7 @@ void SessionUtil::InstallKeybox(const wvoec::WidevineKeybox& keybox,
}
}
void SessionUtil::EnsureTestKeys() {
void SessionUtil::EnsureTestROT() {
switch (global_features.derive_key_method) {
case DeviceFeatures::LOAD_TEST_KEYBOX:
keybox_ = kTestKeybox;
@@ -73,51 +80,91 @@ void SessionUtil::EnsureTestKeys() {
// This makes sure that the derived keys (encryption key and two mac keys)
// are installed in OEMCrypto and in the test session.
void SessionUtil::InstallTestRSAKey(Session* s) {
if (global_features.provisioning_method == OEMCrypto_BootCertificateChain) {
if (wrapped_rsa_key_.size() == 0) {
// If we don't have a wrapped key yet, create one.
// This wrapped key will be shared by all sessions in the test.
const size_t buffer_size = 5000; // Make sure it is large enough.
std::vector<uint8_t> public_key(buffer_size);
size_t public_key_size = buffer_size;
std::vector<uint8_t> public_key_signature(buffer_size);
size_t public_key_signature_size = buffer_size;
std::vector<uint8_t> wrapped_private_key(buffer_size);
size_t wrapped_private_key_size = buffer_size;
OEMCrypto_PrivateKeyType key_type;
// Assume OEM cert has been loaded.
ASSERT_EQ(OEMCrypto_SUCCESS,
OEMCrypto_GenerateCertificateKeyPair(
s->session_id(), public_key.data(), &public_key_size,
public_key_signature.data(), &public_key_signature_size,
wrapped_private_key.data(), &wrapped_private_key_size,
&key_type));
// Assume the public key has been verified by the server and the DRM cert
// is returned.
wrapped_private_key.resize(wrapped_private_key_size);
public_key.resize(public_key_size);
wrapped_rsa_key_ = wrapped_private_key;
drm_public_key_ = public_key;
key_type_ = key_type;
}
ASSERT_NO_FATAL_FAILURE(s->LoadWrappedDrmKey(key_type_, wrapped_rsa_key_));
ASSERT_NO_FATAL_FAILURE(s->SetPublicKeyFromSubjectPublicKey(
key_type_, drm_public_key_.data(), drm_public_key_.size()));
return;
}
void SessionUtil::InstallTestDrmKey(Session* s) {
if (global_features.loads_certificate) {
if (wrapped_rsa_key_.size() == 0) {
if (wrapped_drm_key_.size() == 0) {
// If we don't have a wrapped key yet, create one.
// This wrapped key will be shared by all sessions in the test.
ASSERT_NO_FATAL_FAILURE(CreateWrappedRSAKey());
ASSERT_NO_FATAL_FAILURE(CreateWrappedDRMKey());
}
// Load the wrapped rsa test key.
ASSERT_NO_FATAL_FAILURE(s->LoadWrappedRsaDrmKey(wrapped_rsa_key_));
// Load the wrapped drm test key.
ASSERT_NO_FATAL_FAILURE(
s->LoadWrappedDrmKey(drm_key_type_, wrapped_drm_key_));
if (drm_public_key_.size() > 0) {
ASSERT_NO_FATAL_FAILURE(s->SetPublicKeyFromSubjectPublicKey(
drm_key_type_, drm_public_key_.data(), drm_public_key_.size()));
} else {
ASSERT_NO_FATAL_FAILURE(s->SetPublicKeyFromPrivateKeyInfo(
drm_key_type_, encoded_rsa_key_.data(), encoded_rsa_key_.size()));
}
} else {
// Test RSA key should be loaded.
ASSERT_NO_FATAL_FAILURE(s->SetTestRsaPublicKey());
}
// Test RSA key should be loaded.
ASSERT_NO_FATAL_FAILURE(s->SetTestRsaPublicKey());
}
// Generate OEM key pair, craft a provisioning 4.0 OEM cert request, sign it
// with the OEM private key and verify the signature. Finally, install OEM
// private to session s.
void SessionUtil::CreateProv4OEMKey(Session* s) {
ASSERT_NE(s, nullptr);
if (global_features.provisioning_method != OEMCrypto_BootCertificateChain) {
FAIL() << "Provisioning 4.0 is required.";
}
Provisioning40RoundTrip provisioning_messages(s);
// Generate key pair.
ASSERT_NO_FATAL_FAILURE(provisioning_messages.PrepareSession(true));
// Need OEM public key to verify the signed request.
ASSERT_NO_FATAL_FAILURE(s->SetPublicKeyFromSubjectPublicKey(
provisioning_messages.oem_key_type(),
provisioning_messages.oem_public_key().data(),
provisioning_messages.oem_public_key().size()));
// Save the generated keys, which will be used by DRM cert provisioning later.
wrapped_oem_key_ = provisioning_messages.wrapped_oem_key();
oem_public_key_ = provisioning_messages.oem_public_key();
oem_key_type_ = provisioning_messages.oem_key_type();
ASSERT_NO_FATAL_FAILURE(provisioning_messages.SignAndVerifyRequest());
// Install OEM private key into the session.
ASSERT_EQ(OEMCrypto_SUCCESS, provisioning_messages.LoadOEMCertResponse());
}
// Generate DRM key pair, craft a provisioning 4.0 DRM cert request, sign it
// with the OEM private key and verify the signature. Finally, install DRM
// private to session s. An OEM cert needs to be installed first. It is also
// done in this function.
void SessionUtil::CreateProv4DRMKey() {
if (global_features.provisioning_method != OEMCrypto_BootCertificateChain) {
FAIL() << "Provisioning 4.0 is required.";
}
// Provision OEM key first.
if (wrapped_oem_key_.size() == 0) {
Session oem_session;
ASSERT_NO_FATAL_FAILURE(oem_session.open());
ASSERT_NO_FATAL_FAILURE(CreateProv4OEMKey(&oem_session));
}
Session s;
ASSERT_NO_FATAL_FAILURE(s.open());
ASSERT_EQ(OEMCrypto_SUCCESS,
OEMCrypto_InstallOemPrivateKey(
s.session_id(), oem_key_type_,
reinterpret_cast<const uint8_t*>(wrapped_oem_key_.data()),
wrapped_oem_key_.size()));
ASSERT_NO_FATAL_FAILURE(s.SetPublicKeyFromSubjectPublicKey(
oem_key_type_, oem_public_key_.data(), oem_public_key_.size()));
// Provision DRM key.
Provisioning40RoundTrip provisioning_messages(&s);
ASSERT_NO_FATAL_FAILURE(provisioning_messages.PrepareSession(false));
// Need DRM public key to verify DRM request signature.
ASSERT_NO_FATAL_FAILURE(s.SetPublicKeyFromSubjectPublicKey(
provisioning_messages.drm_key_type(),
provisioning_messages.drm_public_key().data(),
provisioning_messages.drm_public_key().size()));
ASSERT_NO_FATAL_FAILURE(provisioning_messages.SignAndVerifyRequest());
ASSERT_EQ(OEMCrypto_SUCCESS, provisioning_messages.LoadDRMCertResponse());
wrapped_drm_key_ = provisioning_messages.wrapped_drm_key();
drm_key_type_ = provisioning_messages.drm_key_type();
drm_public_key_ = provisioning_messages.drm_public_key();
}
} // namespace wvoec