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Open session when checking for OTA keybox support. am: 2d1372fbec am: 25098c88e8

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Original change: https://googleplex-android-review.googlesource.com/c/platform/vendor/widevine/+/16496630

Change-Id: I25487f3154eff003f043fada11ef4637ab1a324a
This commit is contained in:
Alex Dale
2022-01-07 06:08:35 +00:00
committed by Automerger Merge Worker
parent 7e8a8d6a90 25098c88e8
commit 57837fcc35
1 changed files with 17 additions and 3 deletions
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20
libwvdrmengine/cdm/core/src/oemcrypto_adapter_dynamic.cpp
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@@ -1240,14 +1240,28 @@ class Adapter {
bool IsOTAKeyboxSupported() {
if (!level1_valid_) return false;
if (!level1_.GenerateOTARequest) return false;
if (!level1_.OpenSession || !level1_.CloseSession) return false;
OEMCrypto_SESSION session = 0;
OEMCryptoResult result = level1_.OpenSession(&session);
if (result != OEMCrypto_SUCCESS) {
LOGE("Failed to open keybox OTA session: result = %d", result);
return false;
}
size_t buffer_size = 500; // a large buffer.
std::vector<uint8_t> buffer(buffer_size);
OEMCryptoResult result =
level1_.GenerateOTARequest(0, buffer.data(), &buffer_size, 0);
result =
level1_.GenerateOTARequest(session, buffer.data(), &buffer_size, 0);
if (result == OEMCrypto_ERROR_SHORT_BUFFER) {
buffer.resize(buffer_size);
result = level1_.GenerateOTARequest(0, buffer.data(), &buffer_size, 0);
result =
level1_.GenerateOTARequest(session, buffer.data(), &buffer_size, 0);
}
if (result != OEMCrypto_SUCCESS &&
result != OEMCrypto_ERROR_NOT_IMPLEMENTED) {
LOGE("Unexpected OTA error: buffer_size = %zu, result = %d", buffer_size,
static_cast<int>(result));
}
level1_.CloseSession(session);
return result == OEMCrypto_SUCCESS;
}