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Replace hardcoded parameters

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This commit is contained in:
Lu Chen
2020-01-27 16:05:15 -08:00
parent cdd4d97e0f
commit 5c42bf9b7f
134 changed files with 9510 additions and 1938 deletions
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18
common/wvm_token_handler.h
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@@ -12,7 +12,6 @@
#include <map>
#include <vector>
#include "base/macros.h"
#include "absl/strings/string_view.h"
#include "common/status.h"
@@ -34,6 +33,9 @@ namespace widevine {
// INTERNAL_ERROR - something went wrong that shouldn't have been able to.
class WvmTokenHandler {
public:
WvmTokenHandler(const WvmTokenHandler&) = delete;
WvmTokenHandler& operator=(const WvmTokenHandler&) = delete;
// Cipher type to use for encrypting asset keys. This matches the enum in
// video/widevine/lockbox/public/key.proto.
enum Cipher {
@@ -71,22 +73,23 @@ class WvmTokenHandler {
// insecure_out may be null; if not, *insecure_out will be set to the
// decrypted value of the 'insecure keybox' flag.
static Status DecryptDeviceKey(absl::string_view token,
std::string* device_key_out, Cipher* cipher_out,
bool* insecure_out);
std::string* device_key_out,
Cipher* cipher_out, bool* insecure_out);
// Same as above, except takes in the make/model from the license request.
// For legacy WVM license, we have some special cases where we need to inspect
// the make/model as we apply alternate keys.
static Status DecryptDeviceKey(absl::string_view token,
const std::string& make_model,
std::string* device_key_out, Cipher* cipher_out,
bool* insecure_out);
std::string* device_key_out,
Cipher* cipher_out, bool* insecure_out);
// Decrypt a token using the preprov key for its system ID, and use the
// decrypted device key to encrypt the given asset key. Returns the encrypted
// asset key in result.
static Status GetEncryptedAssetKey(absl::string_view token,
absl::string_view raw_asset_key,
const std::string& make_model, std::string* result);
const std::string& make_model,
std::string* result);
// Extract the system ID component of a token (bytes 4-8).
static uint32_t GetSystemId(absl::string_view token);
@@ -115,9 +118,6 @@ class WvmTokenHandler {
static Status EncryptAssetKey(absl::string_view device_key,
absl::string_view raw_asset_key, Cipher cipher,
std::string* result);
private:
DISALLOW_IMPLICIT_CONSTRUCTORS(WvmTokenHandler);
};
} // namespace widevine