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Test de fuzzing en ingénierie logicielle

Le fuzzing est une technique d’ingénierie logicielle qui consiste à tester le logiciel en envoyant des données aléatoires pour trouver des erreurs. Essayons de comprendre les avantages et les inconvénients du test de fuzzing!

Fuzzing, également connu sous le nom de test de fuzz, est une technique de test logiciel automatisée qui consiste à fournir des données invalides, inattendues ou aléatoires (fuzz) en tant qu’entrées d’un programme informatique. L’objectif est de trouver des erreurs de codage, des bugs, des vulnérabilités de sécurité et des failles qui peuvent être exploitées. Cet article commence par expliquer quelques types de fuzzing de base. La métaphore «tester la serrure» est ensuite utilisée pour expliquer les rouages de cette technique. Une liste d’outils disponibles est donnée et un ensemble de meilleures pratiques est exploré pour que le fuzzing soit mené de manière éthique, efficace et sûre.

Black-box fuzzing is the most common type of fuzzing. It does not require any knowledge about the internal architecture of the software being tested. The tester only needs to provide the input data and observe the output. This type of fuzzing is suitable for testing applications with a user interface, such as web browsers, media players, and office applications.

White-box fuzzing requires knowledge about the internal architecture of the software being tested. The tester needs to understand the code and identify the areas that need to be tested. This type of fuzzing is suitable for testing complex applications, such as operating systems, databases, and network protocols.

Métaphore du Test de la Serrure

La métaphore du test de la serrure est utilisée pour expliquer le fonctionnement de la technique de fuzzing. Cette métaphore compare le processus de fuzzing à un test pour vérifier si une serrure est ouverte ou fermée. Dans ce scénario, le tester est le cambrioleur et la serrure est le logiciel à tester. Le but du cambrioleur est d’ouvrir la serrure en essayant différentes clés. Dans le cas du fuzzing, le tester envoie des données aléatoires au logiciel pour voir si elles peuvent le faire planter ou révéler des vulnérabilités.

Le processus de fuzzing commence par la génération de données aléatoires. Ces données sont ensuite envoyées au logiciel pour tester sa robustesse. Si le logiciel fonctionne correctement, les données sont rejetées et le processus recommence avec des données différentes. Si le logiciel plante ou révèle une vulnérabilité, le tester peut identifier le problème et le corriger.

Le fuzzing est une technique très efficace pour trouver des bugs et des vulnérabilités dans un logiciel. Cependant, il est important de comprendre l’architecture du logiciel pour pouvoir l’utiliser correctement et efficacement. Une bonne compréhension de l’architecture du logiciel permet de cibler les zones à tester et d’améliorer les résultats.

Outils et Pratiques Recommandées

Il existe plusieurs outils disponibles pour effectuer des tests de fuzzing. Certains outils sont spécialisés pour tester des applications spécifiques, tandis que d’autres sont plus génériques et peuvent être utilisés pour tester tout type d’application. Les outils les plus populaires sont Sulley, Peach Fuzzer, SPIKE, American Fuzzy Lop (AFL) et Boofuzz.

En plus des outils disponibles, il existe certaines pratiques recommandées pour effectuer des tests de fuzzing de manière éthique, efficace et sûre. Il est important de bien documenter le processus de test et d’informer les développeurs des résultats obtenus. Il est également important de ne pas divulguer les résultats du test à des tiers sans l’autorisation des développeurs. Enfin, il est important de respecter la loi et les règles en vigueur lors de l’exécution des tests.

Le fuzzing est une technique très puissante qui peut être utilisée pour trouver des bugs et des vulnérabilités dans un logiciel. Cependant, il est important de comprendre l’architecture du logiciel et d’utiliser les bons outils et pratiques pour obtenir les meilleurs résultats. Une bonne compréhension de l’architecture et une utilisation appropriée des outils et pratiques peuvent aider
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Exemples de mauvais logiciels : à quel point le mauvais code peut-il vous nuire ?

Le mauvais code peut avoir des conséquences graves, en particulier lorsqu’il s’agit de logiciels. Découvrez les exemples de mauvais logiciels et à quel point ils peuvent vous nuire.

Un logiciel défectueux a conduit à la condamnation de 736 employés innocents par la Poste britannique

Francais

Tout le monde sait qu’il existe des mauvais logiciels. Dans un monde imparfait, un ensemble de quelques coïncidences, par exemple des erreurs humaines, du code défectueux ou des circonstances imprévues, peuvent entraîner une énorme panne même dans de très bons systèmes. Aujourd’hui, examinons des exemples concrets où des pannes ou des erreurs logicielles catastrophiques ont entraîné d’énormes pertes et même coûté la vie à une personne.

Un bug logiciel de la Poste britannique a conduit à la condamnation de 736 employés innocents

La Poste britannique utilise depuis 20 ans un logiciel appelé Horizon. Il avait des bugs qui faisaient en sorte qu’il signalait que des comptes sous le contrôle des employés étaient manquants. Cela ressemblait à ce qu’un employé ait volé des milliers de livres. En conséquence, 736 opérateurs de poste ont été condamnés. Des gens ont perdu leur emploi, leur famille et une femme a été envoyée en prison alors qu’elle était enceinte. Un homme s’est suicidé après que le système ait montré que son compte manquait 100 000 £.

Une base de données défectueuse a entraîné la mort d’un patient

En 2008, un homme de 59 ans est mort à l’hôpital de l’Université du Michigan après avoir reçu une dose massive d’un médicament contre le cancer à cause d’une base de données défectueuse. Le médecin a utilisé une base de données qui ne prenait pas en compte le poids du patient et a donc administré une dose beaucoup trop élevée. L’homme est décédé dans les heures qui ont suivi. Le système informatique était censé protéger les patients contre ce genre d’erreur, mais il n’a pas fonctionné.

Ces exemples montrent à quel point les erreurs logicielles peuvent être coûteuses et catastrophiques. Les développeurs doivent donc prendre des mesures pour s’assurer que leurs logiciels sont robustes et fiables et qu’ils ne causeront pas des dommages inutiles. Les bases de données doivent également être soigneusement vérifiées et testées pour s’assurer qu’elles sont à jour et exactes.

Source de l’article sur DZONE

Description de la vulnérabilité

Dans le cadre de son Patch Tuesday, en date du 11 juillet 2023, Microsoft a indiqué l’existence d’une vulnérabilité référencée CVE-2023-36884 [1] au sein de plusieurs versions de Windows et produits Office. Un score CVSSv3 de 8.3 lui a été …
Source de l’article sur CERT-FR

Welcome to our annual guessing game of what the next twelve months will bring.

As ever, the design world isn’t isolated from the world in which it exists, so when events shape our lives, they impact our work, the work clients ask for, and the work that inspires us. According to Collins Dictionary, the word of the year for 2022 was permacrisis. And frankly, 2023 doesn’t look any less turbulent, with some good and some bad things already on the horizon.

Russia seems all but certain to retreat to Crimea and claim its objectives in Ukraine have been achieved; Ukraine may not accept that end, but it will probably be enough to end sanctions against Russia, which will significantly impact the economy worldwide. Brazil may have been forced to watch Argentina lift the FIFA World Cup, but it has a new (old) president and fresh hope for the survival of the Amazon rainforest. Crypto has weathered a series of storms (although there may be more to come), and historical precedence suggests the bear market has run its course; 2023 will see stagnation, with an upward trend taking hold toward the end of the year. The former Pope has died, potentially paving the way for the retirement of the current Pope and the election of a new Pope, bringing with it either renewed liberalism or renewed conservatism to the world’s largest religion. Oh, and the IMF thinks a third of the world will be in recession at some point in 2023; the UK and Russia already are, and policymakers in the US are looking nervous.

And that’s just the obvious. Of course, there will be surprises, too, because there always are.

Against this backdrop, designers must not only navigate a problematic jobs market but produce designs that respond to the needs and desires of their clients’ users.

How Did I Do in 2022?

Before diving into this year’s predictions, let’s take a look at how I thought 2022 would play out.

I predicted that 2022 would be the year of blockchain, with decentralized data storage taking over. Well, I got the decentralized part right, but not so much the blockchain aspect (feel free to tell me I’m wrong on Mastodon because I’m not checking Twitter anymore). I’ll call that half a point.

I said design would be positive, playful, and accessible. I think design did emerge from its obsession with corporate minimalism, but positive and playful? Unfortunately, I’m calling that a miss.

I said everything would be green. Again, that’s a miss. If there was a color for 2022, it was a pink-purple gradient.

I predicted hero text would replace hero images, and in the third quarter of 2022, that’s exactly the trend we saw; tick.

Finally, I suggested that illustration would adopt a grainy texture. Well, some designers did, but it was hardly a dominant trend, so I’m going to have to call that a miss.

So for my 2022 predictions, I scored 30%. Way worse than last year’s clean sweep. Let’s see if we can’t beat that in 2023…

1. We’ll Stop Freaking Out Over AI

By now, you’ve probably tried AI, freaked out, and Googled how to start a small holding in the mountains.

The truth is that AI is just a tool. And a good one at that. AI is really good at derivative work. But it’s entirely incapable of improvising, holding opinions, having an agenda, or thinking outside the box.

AI will not replace your job — unless your job is deleting the background from photos, in which case it already has. Since when did Stephen King get replaced by a spellchecker?

If you haven’t tried an AI tool yet, I’d encourage you to try it. It does the small repetitive tasks well.

2. We’ll Embrace the Real World

One of the reasons AI can’t be creative is that it doesn’t have the same number of input sensors we have. We can smell, hear, feel, and experience the world in a multitude of different ways.

Most of us spent a year in lockdown working remotely. Then rushed back to the office, only to discover that our teamwork didn’t actually improve. With the worsening economic outlook, big companies are looking to budget, and the simplest way to cut costs is to ask staff to work remotely.

When your commute is a five-second walk to the spare bedroom, you find yourself with more free time. Sure, you could probably learn Python, but wouldn’t you be happier learning to paddleboard?

As we open ourselves to new experiences, our design work will inevitably become more diverse and natural.

3. We’ll Reject Brutalism

It had a good run, but Brutalism isn’t a good fit for most UI projects. The trend of 2021–22 will vanish as quickly and as unexpectedly as it arrived.

4. We’ll Reject Darkmode

It has had a good run, and dark mode is a perfect fit for most UI projects. But we’re all kinda sick of it.

I hope I’m wrong about this one; not only is dark mode genuinely better for both your eyes and the environment, but the rich, warm blackness is the perfect antidote to sterile white corpo-minimalism.

Dark mode options are built into our OS, so it’s doubtful that it’s going to vanish anytime soon. However, dark mode as a design trend for its own sake is probably on the wane.

Typically trends come and go in symmetrical waves. Dark mode has been a dominant trend for years, so it should take as long to vanish completely.

5. We’ll Embrace Personal Retro

Every year we get the exciting job of guessing which decade the zeitgeist will rip off next. Will 2023 be the year of ’80s retro, ’90s retro, ’00s retro, or maybe (somebody shoot me) ’10s retro?

The retro trends we’ve seen over the last few years have been poor pastiches of their associated decades. If last year’s ’90s retro was inspired by the ’90s, it was a ’90s someone else was living.

In 2023 we’ll move beyond someone else’s ideas of what the past was like, to a personal vision of what came before. One in which the sunbleached colors of eternal Summers in the suburbs dominate.

6. We’ll Fall For Borecore

We’re all guilty of designing with our egos from time to time, and there is a tendency to hit users between the eyes with the biggest type, the loudest gradient, and the flashiest animation.

If you truly want to impress users in 2023, stop inserting pop-ups, adverts, cookie notices, and the other extraneous detritus that stops them from doing whatever it is they arrived on your site for. Impressing users in 2023 means clean typography, low-distraction art direction, and helpful content. Boring design just isn’t as boring as it used to be.

In 2023, the best thing designers can do for their users is get out of the way.

Happy New year! We hope it’s a good one.

 

Featured image by myriammira on Freepik

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Many firms’ design and development decisions are increasingly oriented toward human-centered innovation. Instead of rushing goods to market, these firms are using a user-centered design approach.

Design and development teams build high-performing digital products or websites that uniquely meet customers’ demands by concentrating on the user experience. After all, a good web design is helpful in boosting the business reputation or user experience.

This post will define user-centered design, discuss its fundamental principles, and describe the user-centered design process.

What Is User-Centered Design?

To create an enjoyable solution to a problem, user-centered design is a collection of iterative design processes concentrating on the user’s needs at each step. In UCD, the expectations, objectives, and preferences of the user significantly impact design decisions.

Additionally, users are actively involved in the entire process from start to finish. User-centered design principles encourage designers to create products with users rather than just for them. This strategy typically includes user research, interviews, usability testing, and a massive amount of feedback gathering.

UCD Requires Four Fundamental Components:

  • Visibility: Can people see what your website is about and how to utilize it the moment they land on your page?
  • Availability: Is your website user-friendly? Can they swiftly locate information? They should be able to find call-to-action buttons, menus, filters, and search choices with ease.
  • Legibility: Is the text simple to read for users?
  • Language: Is the language simple to grasp for users? Do you avoid using industry jargon in your UX authoring, which might lead to confusion and hesitation?

What Is The Significance Of UCD?

User experience is important in product design, especially in digital products such as app design, web and interface design, and marketing. Customers want their lives to be simplified. A website, app, or product exists to fulfill a consumer. Hence its success is determined by their interaction with it.

The following are some of the advantages of a user-centered design strategy for a business:

  • Customers keep coming back for more
  • There would be an increase in sales
  • Creating polished, efficient, and widely available goods
  • Understanding challenges thoroughly to provide suitable solutions
  • Customers and teams working together
  • Avoiding typical blunders
  • Enhancing Competitiveness
  • Assisting them in comprehending their market

It offers consumers the following advantages:

  • Making their life easier
  • Fulfilling their desires
  • Companies making them feel heard and understood
  • Making them feel important in the creation of things they use
  • Providing answers to challenges they were unaware they had or could not imagine solutions to

Let’s dig in to learn more about the advantages of UCD.

Businesses can benefit from using the user-centered design approach in various ways. As you incorporate this into your web development, you can enjoy the following four main advantages.

1. Prevent Project Failure

Your company might find it simpler to incorporate improvements and ensure your product is in line with actual user needs if you have a continuous feedback process assessing how customers react to your product, like a website.

Customers feel like their needs are better represented in the finished product, which can increase engagement and strengthen the bond with the company.

2. Improve ROI

This method produces products that more accurately reflect user expectations. The procedure also lessens mistakes made by website users, for instance. When combined, these factors motivate users to convert from leads to paying clients, boosting return on investment.

3. Increase Development Efficiency

In user-centered design, the objectives of the various team members are aligned. This can help clarify the best course of action for all parties involved. A more targeted, goal-oriented development process may be encouraged by the regular evaluation process.

Additionally, businesses can engage stakeholders and explain how their efforts and methodologies will improve customer interactions by using an iterative life cycle during product development.

4. Up The Level Of Competition

Customers will more fully appreciate what you offer, improve their engagement with your product or website, and be more likely to purchase from you if your product is created with their needs and expectations in mind.

As a result, this may increase your ability to compete in your sector.

5. KPIs Are Included

Given your user needs and business objectives, how do you move from the first to the second? You can measure key performance indicators with this in mind once you know what user needs are essential for the overall goals.

For instance, productivity may be the focus of office software, shopper activity may be the focus of sales tools, and retention rates may be the focus of other apps. All of these are necessary steps toward achieving business values like profit and revenue.

Human-Centered Design Versus User-Centered Design

There is a significant difference between humans and users. Simply put, all users are humans; however, not all humans will use your product. Therefore, you must thoroughly understand your target market to produce a successful user-centered design.

Detailed research should be done on the problems and goals of your users. Then, talk to them and give them several chances to offer feedback. By doing this, you’ll create a user persona that is complete and that you can use to determine the priorities for your design.

It’s critical to understand that different user groups may have additional requirements, levels of technical expertise, and expectations for using products like the one you’ve made.

What crucial guidelines or principles should designers consider when adopting a user-centric design?

The Process Of User-Centered Design

Certain fundamental principles underpin user-centered design. While the development process is always iterative, no explicit methods for implementation are specified. The approach can be implemented in either a waterfall or an agile environment.

1. Contextualization

The first step is to analyze the environment in which users will use the product. What are the intended applications of the product for future users? Teams working on projects can get answers by watching and talking to potential users.

2. Outlining The Prerequisites

Specifying the requirements for the new product is the second step. In this step, user requirements are described while considering corporate needs.

3. Design

Once the requirements are established, the actual design process can begin. Designers typically start by producing a straightforward prototype, like one made of paper, then move on to digital wireframes and a finished prototype.

4. Analysis

The project team solicits feedback from potential users after creating a prototype. This is typically done for digital applications through in-depth user testing and qualitative research.

Do surveys and tests evaluate user satisfaction, effectiveness, and efficiency? With the new information, the project team goes back to step 2 or step 3 of the design process to improve the product. Once the user feedback is satisfied, these iterations continue while taking into account corporate frameworks (time and costs).

Top 10 User-Centered Design Principles

Principles of user-centered design attempt to guarantee that usability is the primary priority throughout the development process. These principles, if successfully followed, will ensure that user experience is fulfilled not just during the initial introduction of a product but also during its use.

Furthermore, each of the following principles may be tailored to match the specific requirements and interaction demands of any product.

1. Use Simple Language

Professional Web Designer strives to provide the most readable discourse for the user while creating a product. This involves clarifying vocabulary, eliminating jargon, and simply providing information pertinent to the work.

Presenting users with irrelevant information throughout their use of the product taints its usefulness. Furthermore, basic language helps the user finish the work without being overwhelmed or confused.

2. Feedback

Users expect a reaction to all of their actions. This might involve modifying the look of the screen after completing an activity. If the job is finished after some time, it should display a loading page to notify the user that the task is in process.

Keeping the user informed throughout the process reassures them and keeps them on track with their job.

3. Maintaining Consistency

Keeping the product consistent is essential in ensuring an ideal user experience. Consistency affects how customers approach a product, and the time it takes to learn how to use it.

From the start of the project until its completion, the consistent philosophy underpinning the UCD process should be maintained. If the interface design needs to be updated, it is critical to maintaining consistency across new features to stay beneficial to the user.

4. Give The Complete User Control

Consumers are already aware of their requirements. They should be able to use a product with minimal effort and depend on the product’s help to accomplish the rest.

By removing the effort from the job, the user can do it quickly while keeping control of their activities.

5. Describe The Situation

Before developing a product, the designer must first investigate the ideal user and their wants. The designers can gain a comprehensive sense of some of the issues these people experience by studying their lifestyles.

Many of these observations are conducted through interviews. These interviews provide the designer with information on the exact goals that users want to attain and how they want to achieve them.

6. Examine the Design

Designers undertake usability testing with actual users of their product at this stage in the UCD process. This stage provides designers with insight into how consumers will interact with the product and how to modify it to suit them better.

It is advised that this stage be completed as quickly as feasible. The sooner customers provide input, the faster designers can comprehend their product from the user’s perspective.

7. Create Designs That Are Specific To The Needs Of The User

The design team must examine the distinctive features of their intended demographic as well as frequent real-world activities while beginning the design process. Furthermore, the product should be appropriate for the environment in which it will be utilized the most.

Making a product that needs a lot of work from the user reduces its usability and usefulness, ultimately defeating the objective of UCD.

8. The Design Process Is Iterative

Because user-centered design is based on putting the user first, the product team should constantly be working to improve the user experience. By introducing changes gradually, you will gain a better understanding of your target audience.

9. Adequate Navigational Tools

An essential component of the user experience is the capability to navigate between pages of your website and return to the previous one. Make sure users know where they are on your website and how to leave any pages they don’t want to see.

Customers can better understand how to navigate your page by giving them features like a navigation map, for instance. Make it simple for customers to change their order without leaving the current page if they buy clothing and discover they need a different size once they reach the checkout page.

10. Unflawed System

Customers should find it easy to navigate between your website’s pages and accomplish their goals. If they make a mistake, be there to help them fix it so they can achieve their goal.

The form may ask for specific, essential fields, such as the square footage, and may also include a gentle reminder or an alert that appears if the user accidentally leaves a required field blank.

Customers may feel more comfortable responding to your prompts and participating in a conversation if you ask questions one at a time and offer automated responses for each response.

Wrapping Up

User-centered design is more than just making a good product. It goes further than that. You demonstrate your motivations and intentions by putting your users in the spotlight. You’re demonstrating that it’s not all about meeting deadlines or turning a profit. Instead, you’re telling your users that you understand what they want and prioritize their needs.

It should come as no surprise that the most effective teams are user-centric. Knowing your customer is essential for success in any industry, including design. Create products that put the user first, and you will create products that people will love.

You can build a more robust, user-friendly website that is better equipped to respond to user needs and expectations by incorporating the User Centered Design process into your product design. However, it’s crucial to collaborate with a specialist who can apply these techniques and produce the result you’ve envisioned.

 

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Undertaking a digital transformation journey is easier said than done. Efforts to transform an organization often face significant challenges, including integration of legacy platforms with modern technology stacks, the skill sets required for implementation, and an organizational structure that can communicate and embrace change. According to a 2020 study by the Boston Group, 72% of digital transformations fail, falling short of their objectives, and are often met with radical consequences after. 

With so much at stake when it comes to transforming an organization, Adecco Group’s Sabine Laute suggests that a dedicated transformation office could be a viable solution.

Source de l’article sur DZONE

Welcome to our guide to the best new websites this month. If subtle, minimal sites are your thing, either look away now or prepare to have your preconceptions challenged because this month, we are going maximalist.

Lots of elements fill up the screen, lots of color, lots of big fonts, lots of illustration, and plenty of in-your-face personality. This is a tricky style to get right: if elements are not chosen and placed well, the result is simply annoying clutter. If done well, the result can be impactful and memorable.

[And Happy Independence Day to all of our American readers!]

screenagers & the incredible machine

screenagers & the incredible machine’s site puts illustration front and center, creating a look that evokes various mystic ideas. It sounds strange, but it works.

Anna Jóna

This prelaunch teaser site for Anna Jóna café and cinema has an elegant yet modern feel.

Hardpops

This site for Hardpops (alcoholic) ice pops takes its cue from the product flavors, and the bright, fruity colors give it a real zing.

Daniel Spatzek

Daniel Spatzek’s portfolio site takes the rules-are-made-to-be-broken approach. The result has attitude and a nice touch of humor.

Ander Agency

Plenty of color, large type, and illustration make a bold statement for Ander Agency’s single-page site.

Pretty Damn Quick

Colorful illustration on this site for Pretty Damn Quick’s Shopify app creates an impression of friendliness about the company and ease of use of the product itself.

Know Your Beetle

Know Your Beetle is a showcase page for Kaploom creative studio. Color and type combinations make a big impact.

WTFFF

While many of the sites featured here have a sense of fun about them, WTFFF tackles a somber subject: online sexual abuse and harassment. Artwork and audio create an immersive experience in which five young people share their experiences with the aim of helping others.

BelArosa Chalet

Full-screen illustrations with a hint of vintage style create an ideal impression of what future guests can expect from the currently under construction BelArosa Chalet.

Paradam

The color scheme on the Paradam site is on the pastel end of the scale, but there is still lots going on to entrance the eye.

Tilton Group

The scrolling color panels on the Tilton Group site are a thing to behold.

Fresco

Fresco uses a standard layout design, but the colors and quarter-circles instantly lift it.

Museum of Pink Art

Museum of Pink Art is an immersive experience celebrating the color pink. Undoubtedly worth a virtual wander around.

Icons by Menu

OK, this somewhat more minimalist site slipped through the net, but Icons by Menu is so pleasing to look at and use that we had to include it.

GlareDB

With an illustration that could be ideally at home on an Arthur C. Clarke book jacket and that rich, deep red background, this site for Glare DB is a world away from what might be expected.

Alex Beige

While the overall style and accent illustrations are pleasing on Alex Beige’s site, the Our Team section is guaranteed to raise a smile and stick in the user’s mind.

Snickerdoodle

Careful spacing means busy elements (like on scroll animated illustrations) don’t become overwhelming on the Snickerdoodle site.

Grisly’s Cosmic Black

The site for Grisly’s Cosmic Black is fun, bright, and joyful. Plus, it’s nice to see an alcohol site going a bit further than the usual ‘drink responsibly’ and actually providing helpful links.

The Perennial

Not just floorplans and (lots of) images, but virtual walkthroughs too. The Perennial doesn’t feel like a standard office building.

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