Source release 14.0.0

core/include/content_key_session.h

@@ -0,0 +1,66 @@
+#ifndef WVCDM_CORE_CONTENT_KEY_SESSSION_H_
+#define WVCDM_CORE_CONTENT_KEY_SESSSION_H_
+
+#include "key_session.h"
+#include "timer_metric.h"
+
+namespace wvcdm {
+
+class ContentKeySession : public KeySession {
+ public:
+  ContentKeySession(CryptoSessionId oec_session_id,
+                    metrics::CryptoMetrics* metrics)
+      : KeySession(metrics),
+        oec_session_id_(oec_session_id),
+        cipher_mode_(kCipherModeCtr) {}
+  virtual ~ContentKeySession() {}
+
+  KeySessionType Type() { return kDefault; }
+
+  // Generate Derived Keys for ContentKeySession
+  bool GenerateDerivedKeys(const std::string& message);
+
+  // Generate Derived Keys (from session key) for ContentKeySession
+  bool GenerateDerivedKeys(const std::string& message,
+                           const std::string& session_key);
+
+  // Load Keys for ContentKeySession
+  OEMCryptoResult LoadKeys(const std::string& message,
+                           const std::string& signature,
+                           const std::string& mac_key_iv,
+                           const std::string& mac_key,
+                           const std::vector<CryptoKey>& keys,
+                           const std::string& provider_session_token,
+                           CdmCipherMode* cipher_mode,
+                           const std::string& srm_requirement);
+
+  OEMCryptoResult LoadEntitledContentKeys(const std::vector<CryptoKey>&) {
+    return OEMCrypto_ERROR_INVALID_CONTEXT;
+  }
+
+  // Select Key for ContentKeySession
+  OEMCryptoResult SelectKey(const std::string& key_id,
+                            CdmCipherMode cipher_mode);
+
+  // Decrypt for ContentKeySession
+  OEMCryptoResult Decrypt(const CdmDecryptionParameters& params,
+                          OEMCrypto_DestBufferDesc& buffer_descriptor,
+                          OEMCrypto_CENCEncryptPatternDesc& pattern_descriptor);
+
+ protected:
+  OEMCryptoResult LoadKeys(
+      const std::string& message, const std::string& signature,
+      const std::string& mac_key_iv, const std::string& mac_key,
+      const std::vector<CryptoKey>& keys,
+      const std::string& provider_session_token, CdmCipherMode* cipher_mode,
+      const std::string& srm_requirement, OEMCrypto_LicenseType license_type);
+  CryptoSessionId oec_session_id_;
+
+ private:
+  KeyId cached_key_id_;
+  CdmCipherMode cipher_mode_;
+};
+
+}  // namespace wvcdm
+
+#endif  // WVCDM_CORE_CONTENT_KEY_SESSSION_H_