Encryption: try wrapped key if the first time decryption fails

Change-Id: I108b7aeea41c6b85c851f40c1c4a7e25012e2463
2019-09-01 13:38:44 -04:00
parent 05cd3f8616
commit 0be03b3217
3 changed files with 13 additions and 6 deletions
@@ -296,7 +296,14 @@ int TWPartitionManager::Process_Fstab(string Fstab_Filename, bool Display_Error)
 				while (!Decrypt_Data->Mount(false) && --retry_count)
 					usleep(500);
 				if (Decrypt_Data->Mount(false)) {
-					Decrypt_Data->Decrypt_FBE_DE();
+					if (!Decrypt_Data->Decrypt_FBE_DE()) {
+						LOGINFO("Trying wrapped key.\n");
+						property_set("fbe.data.wrappedkey", "true");
+						if (!Decrypt_Data->Decrypt_FBE_DE()) {
+							LOGERR("Unable to decrypt FBE device\n");
+						}
+					}
+
 				} else {
 					LOGINFO("Failed to mount data after metadata decrypt\n");
 				}