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Merge changes I10721146,I5ab5f554,Ie92379dc

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* changes:
  OEMCrypto Mock should not downgrade SRM
  Fix SRM Version in mock
  OEMCrypto Logging
This commit is contained in:
Fred Gylys-Colwell
2017-05-02 18:38:28 +00:00
committed by Android (Google) Code Review
parent 80ec937545 fb10272f55
commit b37ab7eead
3 changed files with 33 additions and 11 deletions
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11
libwvdrmengine/oemcrypto/mock/src/oemcrypto_engine_device_properties_mod.cpp
View File

@@ -346,14 +346,18 @@ class AndroidModifiableCryptoEngine : public CryptoEngine {
OEMCryptoResult current_srm_version(uint16_t *version) {
if (srm_loaded_) {
LOGV("SRM loaded. version used is %d.", srm_version_);
*version = srm_version_;
return OEMCrypto_SUCCESS;
}
int value = GetOption("srm_initial_version", -1);
if (value > 0) {
*version = srm_version_;
LOGV("SRM version from get option: %d.", value);
srm_version_ = value;
*version = value;
return OEMCrypto_SUCCESS;
} else {
LOGI("SRM initial version is %d -- reporting not implemented.", value);
return OEMCrypto_ERROR_NOT_IMPLEMENTED;
}
}
@@ -370,6 +374,11 @@ class AndroidModifiableCryptoEngine : public CryptoEngine {
}
int new_version = GetOption("srm_load_version", -1);
if (new_version >= 0) {
if (new_version < srm_version_) {
LOGE("New SRM version is lower than existing SRM version: %d < %d",
new_version, srm_version_);
return OEMCrypto_ERROR_INVALID_CONTEXT;
}
srm_version_ = new_version;
LOGI("OEMCrypto mock told to change SRM version to %d.", srm_version_);
srm_loaded_ = true;

14
libwvdrmengine/oemcrypto/mock/src/oemcrypto_mock.cpp
View File

@@ -509,7 +509,7 @@ extern "C" OEMCryptoResult OEMCrypto_QueryKeyControl(
extern "C" OEMCryptoResult OEMCrypto_SelectKey(const OEMCrypto_SESSION session,
const uint8_t* key_id,
size_t key_id_length) {
if (LogCategoryEnabled(kLoggingTraceOEMCryptoCalls)) {
if (LogCategoryEnabled(kLoggingTraceDecryptCalls)) {
LOGI("-- OEMCryptoResult OEMCrypto_SelectKey(%d, id=%s)", session,
wvcdm::HexEncode(key_id, key_id_length).c_str());
}
@@ -1630,6 +1630,9 @@ extern "C" OEMCryptoResult OEMCrypto_DeleteOldUsageTable() {
}
extern "C" bool OEMCrypto_IsSRMUpdateSupported() {
if (LogCategoryEnabled(kLoggingTraceOEMCryptoCalls)) {
LOGI("-- OEMCryptoResult OEMCrypto_IsSRMUpdateSupported()\n");
}
if (!crypto_engine) {
LOGE("OEMCrypto_IsSRMUpdateSupported: OEMCrypto Not Initialized.");
return false;
@@ -1638,6 +1641,9 @@ extern "C" bool OEMCrypto_IsSRMUpdateSupported() {
}
extern "C" OEMCryptoResult OEMCrypto_GetCurrentSRMVersion(uint16_t* version) {
if (LogCategoryEnabled(kLoggingTraceOEMCryptoCalls)) {
LOGI("-- OEMCryptoResult OEMCrypto_GetCurrentSRMVersion()\n");
}
if (!crypto_engine) {
LOGE("OEMCrypto_GetCurrentSRMVersion: OEMCrypto Not Initialized.");
return OEMCrypto_ERROR_UNKNOWN_FAILURE;
@@ -1650,6 +1656,9 @@ extern "C" OEMCryptoResult OEMCrypto_GetCurrentSRMVersion(uint16_t* version) {
extern "C" OEMCryptoResult OEMCrypto_LoadSRM(const uint8_t* buffer,
size_t buffer_length) {
if (LogCategoryEnabled(kLoggingTraceOEMCryptoCalls)) {
LOGI("-- OEMCryptoResult OEMCrypto_LoadSRM(length=%d)\n", buffer_length);
}
if (!crypto_engine) {
LOGE("OEMCrypto_LoadSRM: OEMCrypto Not Initialized.");
return OEMCrypto_ERROR_UNKNOWN_FAILURE;
@@ -1658,6 +1667,9 @@ extern "C" OEMCryptoResult OEMCrypto_LoadSRM(const uint8_t* buffer,
}
extern "C" OEMCryptoResult OEMCrypto_RemoveSRM() {
if (LogCategoryEnabled(kLoggingTraceOEMCryptoCalls)) {
LOGI("-- OEMCryptoResult OEMCrypto_RemoveSRM()\n");
}
if (!crypto_engine) {
LOGE("OEMCrypto_RemoveSRM: OEMCrypto Not Initialized.");
return OEMCrypto_ERROR_UNKNOWN_FAILURE;

19
libwvdrmengine/oemcrypto/mock/src/oemcrypto_session.cpp
View File

@@ -410,17 +410,18 @@ OEMCryptoResult SessionContext::LoadKeys(
uint32_t minimum_version =
htonl(*reinterpret_cast<const uint32_t*>(srm_requirement + 8));
uint16_t current_version = 0;
if (OEMCrypto_SUCCESS == ce_->current_srm_version(&current_version) &&
current_version >= minimum_version) {
srm_requirements_status_ = ValidSRMVersion;
if (ce_->srm_blacklisted_device_attached()) {
LOGW("[LoadKeys: SRM blacklisted device attached]");
srm_requirements_status_ = InvalidSRMVersion;
}
} else {
LOGW("[LoadKeys: SRM Version too small %d, required: %d",
if (OEMCrypto_SUCCESS != ce_->current_srm_version(&current_version)) {
LOGW("[LoadKeys: SRM Version not available.");
srm_requirements_status_ = InvalidSRMVersion;
} else if (current_version < minimum_version) {
LOGW("[LoadKeys: SRM Version is too small %d, required: %d",
current_version, minimum_version);
srm_requirements_status_ = InvalidSRMVersion;
} else if (ce_->srm_blacklisted_device_attached()) {
LOGW("[LoadKeys: SRM blacklisted device attached]");
srm_requirements_status_ = InvalidSRMVersion;
} else {
srm_requirements_status_ = ValidSRMVersion;
}
}