Replace hardcoded parameters

common/keybox_client_cert.h

@@ -0,0 +1,66 @@
+////////////////////////////////////////////////////////////////////////////////
+// Copyright 2019 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.
+////////////////////////////////////////////////////////////////////////////////
+
+#ifndef COMMON_KEYBOX_CLIENT_CERT_H_
+#define COMMON_KEYBOX_CLIENT_CERT_H_
+
+#include "common/client_cert.h"
+
+namespace widevine {
+
+//
+class KeyboxClientCert : public ClientCert {
+ public:
+  KeyboxClientCert() {}
+  ~KeyboxClientCert() override {}
+  KeyboxClientCert(const KeyboxClientCert&) = delete;
+  KeyboxClientCert& operator=(const KeyboxClientCert&) = delete;
+  Status Initialize(const std::string& keybox_token);
+
+  Status VerifySignature(const std::string& message,
+                         const std::string& signature,
+                         ProtocolVersion protocol_version) const override;
+
+  void GenerateSigningKey(const std::string& message,
+                          ProtocolVersion protocol_version) override;
+
+  const std::string& encrypted_key() const override { return unimplemented_; }
+  const std::string& key() const override { return device_key_; }
+  const std::string& serial_number() const override { return serial_number_; }
+  const std::string& service_id() const override { return unimplemented_; }
+  const std::string& signing_key() const override { return signing_key_; }
+  const std::string& signer_serial_number() const override {
+    return unimplemented_;
+  }
+  uint32_t signer_creation_time_seconds() const override { return 0; }
+  bool signed_by_provisioner() const override { return false; }
+  uint32_t system_id() const override { return system_id_; }
+  widevine::ClientIdentification::TokenType type() const override {
+    return ClientIdentification::KEYBOX;
+  }
+
+  // Set the system-wide pre-provisioning keys; argument must be human-readable
+  // hex digits.
+  // Must be called before any other method of this class is called, unless
+  // created by ClientCert::CreateWithPreProvisioningKey(...).
+  static void SetPreProvisioningKeys(
+      const std::multimap<uint32_t, std::string>& keymap);
+  static bool IsSystemIdKnown(const uint32_t system_id);
+  static uint32_t GetSystemId(const std::string& keybox_bytes);
+
+ private:
+  std::string unimplemented_;
+  std::string device_key_;
+  uint32_t system_id_;
+  std::string serial_number_;
+  std::string signing_key_;
+};
+
+}  // namespace widevine
+
+#endif  // COMMON_KEYBOX_CLIENT_CERT_H_