Secondly, the secret COVID-19 data hiding stage uses PSO algorithm and hash function. Firstly, the pre-hiding stage estimates the embedding capacity of each host image. The proposed method is discussed in three stages. Moreover, stego images with hash data and blockchain technology are used in updating and sharing medical COVID-19 data between hospitals in the network to improve the level of confidentiality and protect the integrity of medical COVID-19 data in grey-scale images, achieve data availability if any connection failure occurs in a single point of the network and eliminate the central point (third party) in the network during transmission. In addition, hash function can hide secret medical COVID-19 data in hospital databases whilst providing confidentiality with high embedding capacity and high image quality. The novelty of the proposed method is the removal and addition of new particles in the particle swarm optimisation (PSO) algorithm. Therefore, this study proposes and discusses a novel steganography-based blockchain method in the spatial domain as a solution. To the authors’ knowledge, no study provides secure updating and sharing solution for large amounts of healthcare information in communication channels amongst hospitals. In particular, in addressing the above challenges, two issues are faced, namely, those related to confidentiality and integrity of their health data and to network failure that may cause concerns about data availability. If you want just the quick and dirty, beat the boss of each area and talk to the principle to unlock the next area with one exception that I’ll let you figure out.įor the next step up, do exactly the same thing but talk to every data file left by Rico signified by lights coming out of the ground.įinally, for the absolute most lore do the previous set of instructions but intersperse the quests from the counter as you progress and if you want to experience all the hidden interactions, only look up the first quest involved and what to do in it, then and only then as you reach each quest involved you can look to the next step in case the guide you are reading includes spoilers.Secure updating and sharing for large amounts of healthcare information (such as medical data on coronavirus disease 2019 ) in efficient and secure transmission are important but challenging in communication channels amongst hospitals. #Pso secret delivery full#So for episode one the unfortunate thing is to get the full story, you will need to do all the side quests from the counter off to the left in the room you first load into when your character spawns on pioneer 2, and even more unfortunate, on certain quests you need to complete specific actions to trigger all the hidden storylines. I unfortunately don't know much about the Side Stories of Episode IV, besides knowing that Black Paper's Dangerous Deals (both of them) have no story relevance. Proper guides should detail the important steps.īlue Star Memories, which is implied to take place after the conclusion of Episode IV. Note that it follows up depending on which, if either, Subplot you completed in E1. Seat Of The Heart, which can be completed any time after finishing VR Spaceship. Try and assemble a crew, if you can.Įpisode II is very straightforward: There are only 2 Side Quests with Story Content: Quests, particularly those with time limits, can get brutally hard to solo, even on Normal. There are more detailed guides on what needs doing and when, but this initial choice is the important one. I recommend not telling her your name on Normal, and telling her on subsequent difficulties. Once you pick one, it is locked in for that difficulty. Osto's Research" the first time you complete the quest. Which one you start on is determined by whether you tell Sue your name in "Dr. There's a mutually exclusive Subplot that runs throughout several side quests: The "Bernie" Subplot and the "Sue" Subplot. Two further things to note regarding Episode I: Side Quest Area Breakdown (Quests Directly Relevant to Main Plot/Having Continuity Tagged as "Important"): Once you've completed the relevant Side Quests, complete the Chapter of Government Quests (pretty invariably end with a Boss Fight). You can also do the 2nd immediately, if you feel like it.Īfter that, load a room in "One Person" mode and start doing Side Quests from the Hunter's Guild that pertain to your current area. Go to the Principal's Office and do the first Government Quest the girl in the pink dress has for you (should literally include "1-1" in the name). In general Episode I follows this pattern:
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