First Publicly Shared Version of ODKiTEE v15

oemcrypto_ta/oemcrypto_session_key_table.h

@@ -0,0 +1,26 @@
+/* Copyright 2019 Google LLC. All Rights Reserved. This file and proprietary
+   source code may only be used and distributed under the Widevine Master
+   License Agreement. */
+
+#ifndef OEMCRYPTO_TA_OEMCRYPTO_SESSION_KEY_TABLE_H_
+#define OEMCRYPTO_TA_OEMCRYPTO_SESSION_KEY_TABLE_H_
+
+#include "oemcrypto_key.h"
+#include "oemcrypto_session.h"
+
+/* Finds the key from the key table corresponding to the given |is_content_key|
+   with the given |key_id| and |key_id_length|.
+   Returns either the key if there is a match or NULL otherwise.
+   |key_id_length| must be > 0 and |is_content_key| can only be false if the
+   session has an OEMCrypto_EntitlementLicense.
+   Caller retains ownership of all parameters and they must not be NULL. */
+CryptoKey* FindKeyFromTable(OEMCryptoSession* session, bool is_content_key,
+                            const uint8_t* key_id, uint32_t key_id_length);
+
+/* For the given |session|'s license_type, updates the associated keys to the
+   duration in the |key_control_block|.
+   Caller retains ownership of all pointers and they must not be NULL. */
+void UpdateDurationForAllKeys(OEMCryptoSession* session,
+                              KeyControlBlock key_control_block);
+
+#endif /* OEMCRYPTO_TA_OEMCRYPTO_SESSION_KEY_TABLE_H_ */