- Jan 2023
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apir.wisc.edu apir.wisc.edu
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19 January 2023
This is the meeting where APIR plans to schedule Design Studies to present on the certificate moves.
CERT271 : Certificate in Design Strategy CERT432 : Certificate in Material Culture Studies
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- Sep 2022
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press.rebus.community press.rebus.community
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Earning that is your level of education.
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- Aug 2022
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ec.europa.eu ec.europa.eu
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EU Digital COVID Certificate. (n.d.). [Text]. European Commission - European Commission. Retrieved 21 February 2022, from https://ec.europa.eu/info/live-work-travel-eu/coronavirus-response/safe-covid-19-vaccines-europeans/eu-digital-covid-certificate_en
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- Jul 2022
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howto.philippkeller.com howto.philippkeller.com
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原来给 nginx 设置 SSL 这么简单。
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- Mar 2022
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hackmd.io hackmd.io
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COVID-19 Vaccines and Children. (n.d.). HackMD. Retrieved 31 March 2022, from https://hackmd.io/@scibehC19vax/children
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algorithmwatch.org algorithmwatch.org
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Domestic COVID certificates: What does the evidence say? (n.d.). AlgorithmWatch. Retrieved 31 March 2022, from https://algorithmwatch.org/en/domestic-covid-certificates/
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- Feb 2022
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c2pa.org c2pa.org
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This is accomplished through the use of a certification authority (CA). CAs perform real-world due diligence to ensure credentials are only issued to actors who are whom they claim to be.
TODO: See if this is a top-down certificate authority, as in the HTTPS domain where browsers embed lists of trusted CAs.
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- Dec 2021
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www.thelancet.com www.thelancet.com
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Mills, M. C., & Rüttenauer, T. (2021). The effect of mandatory COVID-19 certificates on vaccine uptake: Synthetic-control modelling of six countries. The Lancet Public Health, 0(0). https://doi.org/10.1016/S2468-2667(21)00273-5
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www.newscientist.com www.newscientist.com
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author.fullName}. (n.d.). Fake covid-19 vaccine certificates are being sold on the dark web. New Scientist. Retrieved December 7, 2021, from https://institutions.newscientist.com/article/2299962-fake-covid-19-vaccine-certificates-are-being-sold-on-the-dark-web
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- leak
- QR code
- restrictions
- COVID-19
- security
- lang:en
- is:news
- EU
- USA
- vaccine
- hospitality
- vaccine certificate
- fake
- vaccine passport
- dark web
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- Aug 2021
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press.rebus.community press.rebus.community
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Proof of completion for a given non-degree class.
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www.ncbi.nlm.nih.gov www.ncbi.nlm.nih.gov
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Smith, M. J., Ahmad, A., Arawi, T., Dawson, A., Emanuel, E. J., Garani-Papadatos, T., Ghimire, P., Iliyasu, Z., Lei, R., Mastroleo, I., Mathur, R., Okeibunor, J., Parker, M., Saenz, C., Thomé, B., Upshur, R. E. G., & Voo, T. C. (2021). Top five ethical lessons of COVID-19 that the world must learn. Wellcome Open Research, 6, 17. https://doi.org/10.12688/wellcomeopenres.16568.1
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- Jul 2021
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www.bmj.com www.bmj.com
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Torjesen, I. (2021). Sixty seconds on. . . EU covid certificates. BMJ, 374, n1702. https://doi.org/10.1136/bmj.n1702
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datatracker.ietf.org datatracker.ietf.orgrfc52801
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To meet this goal, the path validation process verifies, among other things, that a prospective certification path (a sequence of n certificates) satisfies the following conditions
how to validate certificate by trust anchor
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- Jun 2021
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www.theguardian.com www.theguardian.com
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Madeira lets in tourists who can show Covid “vaccine passport” | Portugal | The Guardian. (n.d.). Retrieved June 28, 2021, from https://www.theguardian.com/world/2021/mar/29/madeira-lets-in-tourists-who-can-show-covid-vaccine-passport?CMP=Share_iOSApp_Other
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- COVID-19
- travel
- health certificate
- Europe
- lang:en
- government
- is:news
- COVID passport
- UK
- border policy
- Madeira
- vaccine
- tourism
- vaccine passport
- Portugal
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www.medrxiv.org www.medrxiv.org
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Drury, J., Mao, G., John, A., Kamal, A., Rubin, G. J., Stott, C., Vandrevala, T., & Marteau, T. M. (2021). Behavioural responses to Covid-19 health certification: A rapid review [Preprint]. Public and Global Health. https://doi.org/10.1101/2021.04.07.21255072
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en.wikipedia.org en.wikipedia.org
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DigiNotar was a Dutch certificate authority owned by VASCO Data Security International, Inc.[1][2] On September 3, 2011, after it had become clear that a security breach had resulted in the fraudulent issuing of certificates, the Dutch government took over operational management of DigiNotar's systems.[3]
Dutch Certificate Authority gets hacked.
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- May 2021
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twitter.com twitter.com
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Lawrence Gostin. (2021, April 30). Insightful talk by @doctorsoumya @P4HR webinar on #VaccinePassports @WHO is developing smart Int’l Vaccine Certificates Proof of vac Confidential & Secure Open Access Interoperable But @WHO doesn’t support requiring vacs for int’l travel until the world is more equal [Tweet]. @lawrencegostin. https://twitter.com/lawrencegostin/status/1388215713328943104
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Katz, B. (2021, April 13). Fake Covid-19 Certificates Hit Airlines, Which Now Have to Police Them. Wall Street Journal. https://www.wsj.com/articles/fake-covid-19-certificates-hit-airlines-which-now-have-to-police-them-11618330621
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- Sep 2020
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zenodo.org zenodo.org
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Eglen, S. J. (2020). CODECHECK certificate 2020-008. Zenodo. https://doi.org/10.5281/zenodo.3746024
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- May 2020
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certbot.eff.org certbot.eff.org
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If your hosting provider does not support HTTPS, the following options are available: You can contact your web hosting provider: tell them you want a free HTTPS certificate through Let’s Encrypt. You’re probably not the only one using your web hosting provider service who wants HTTPS. You can request that your web hosting provider offer Let’s Encrypt HTTPS certificates as a free part of their hosting package. An effective way to make this ask is through email, their help desk system, or by contacting the web hosting provider through social media. You can switch to a different web hosting provider. Find a web hosting provider who offers full HTTPS support as part of their web hosting package by checking our list. You might be able to use Certbot. If you have SSH access to the server your website is hosted on, you might be able to use Certbot. You will need to know the software and system your server is running on. After you confirm the software and system information, you can use the dropdown menus above to generate specific instructions for running Certbot on your server through the command line.
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www.abetterinternet.org www.abetterinternet.org
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ABSTRACTLet’s Encrypt is a free, open, and automated HTTPS certificate au-thority (CA) created to advance HTTPS adoption to the entire Web.Since its launch in late 2015, Let’s Encrypt has grown to become theworld’s largest HTTPS CA, accounting for more currently valid cer-tificates than all other browser-trusted CAs combined. By January2019, it had issued over 538 million certificates for 223 million do-main names. We describe how we built Let’s Encrypt, including thearchitecture of the CA software system (Boulder) and the structureof the organization that operates it (ISRG), and we discuss lessonslearned from the experience. We also describe the design of ACME,the IETF-standard protocol we created to automate CA–server inter-actions and certificate issuance, and survey the diverse ecosystemof ACME clients, including Certbot, a software agent we created toautomate HTTPS deployment. Finally, we measure Let’s Encrypt’simpact on the Web and the CA ecosystem. We hope that the successof Let’s Encrypt can provide a model for further enhancements tothe Web PKI and for future Internet security infrastructure.
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www.abetterinternet.org www.abetterinternet.org
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public-benefit digital infrastructure projects, the first of which was the Let's Encrypt certificate authority. ISRG's founding directors were Josh Aas and Eric Rescorla. The group's founding sponsors and partners were Mozilla, the Electronic Frontier Foundation, the University of Michigan, Cisco, and Akamai.
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About Internet Security Research Group Mission Our mission is to reduce financial, technological, and educational barriers to secure communication over the Internet.
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www.eff.org www.eff.org
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HTTPS Everywhere HTTPS Everywhere is a Firefox, Chrome, and Opera extension that encrypts your communications with many major websites, making your browsing more secure. Encrypt the web: Install HTTPS Everywhere today.
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letsencrypt.org letsencrypt.org
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The objective of Let’s Encrypt and the ACME protocol is to make it possible to set up an HTTPS server and have it automatically obtain a browser-trusted certificate, without any human intervention. This is accomplished by running a certificate management agent on the web server. To understand how the technology works, let’s walk through the process of setting up https://example.com/ with a certificate management agent that supports Let’s Encrypt. There are two steps to this process. First, the agent proves to the CA that the web server controls a domain. Then, the agent can request, renew, and revoke certificates for that domain. Domain Validation Let’s Encrypt identifies the server administrator by public key. The first time the agent software interacts with Let’s Encrypt, it generates a new key pair and proves to the Let’s Encrypt CA that the server controls one or more domains. This is similar to the traditional CA process of creating an account and adding domains to that account. To kick off the process, the agent asks the Let’s Encrypt CA what it needs to do in order to prove that it controls example.com. The Let’s Encrypt CA will look at the domain name being requested and issue one or more sets of challenges. These are different ways that the agent can prove control of the domain. For example, the CA might give the agent a choice of either: Provisioning a DNS record under example.com, or Provisioning an HTTP resource under a well-known URI on http://example.com/ Along with the challenges, the Let’s Encrypt CA also provides a nonce that the agent must sign with its private key pair to prove that it controls the key pair. The agent software completes one of the provided sets of challenges. Let’s say it is able to accomplish the second task above: it creates a file on a specified path on the http://example.com site. The agent also signs the provided nonce with its private key. Once the agent has completed these steps, it notifies the CA that it’s ready to complete validation. Then, it’s the CA’s job to check that the challenges have been satisfied. The CA verifies the signature on the nonce, and it attempts to download the file from the web server and make sure it has the expected content. If the signature over the nonce is valid, and the challenges check out, then the agent identified by the public key is authorized to do certificate management for example.com. We call the key pair the agent used an “authorized key pair” for example.com. Certificate Issuance and Revocation Once the agent has an authorized key pair, requesting, renewing, and revoking certificates is simple—just send certificate management messages and sign them with the authorized key pair. To obtain a certificate for the domain, the agent constructs a PKCS#10 Certificate Signing Request that asks the Let’s Encrypt CA to issue a certificate for example.com with a specified public key. As usual, the CSR includes a signature by the private key corresponding to the public key in the CSR. The agent also signs the whole CSR with the authorized key for example.com so that the Let’s Encrypt CA knows it’s authorized. When the Let’s Encrypt CA receives the request, it verifies both signatures. If everything looks good, it issues a certificate for example.com with the public key from the CSR and returns it to the agent. Revocation works in a similar manner. The agent signs a revocation request with the key pair authorized for example.com, and the Let’s Encrypt CA verifies that the request is authorized. If so, it publishes revocation information into the normal revocation channels (i.e. OCSP), so that relying parties such as browsers can know that they shouldn’t accept the revoked certificate.
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letsencrypt.org letsencrypt.org
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Let’s Encrypt is a free, automated, and open certificate authority (CA), run for the public’s benefit. It is a service provided by the Internet Security Research Group (ISRG). We give people the digital certificates they need in order to enable HTTPS (SSL/TLS) for websites, for free, in the most user-friendly way we can. We do this because we want to create a more secure and privacy-respecting Web. You can read about our most recent year in review by downloading our annual report (Desktop, Mobile). The key principles behind Let’s Encrypt are: Free: Anyone who owns a domain name can use Let’s Encrypt to obtain a trusted certificate at zero cost. Automatic: Software running on a web server can interact with Let’s Encrypt to painlessly obtain a certificate, securely configure it for use, and automatically take care of renewal. Secure: Let’s Encrypt will serve as a platform for advancing TLS security best practices, both on the CA side and by helping site operators properly secure their servers. Transparent: All certificates issued or revoked will be publicly recorded and available for anyone to inspect. Open: The automatic issuance and renewal protocol will be published as an open standard that others can adopt. Cooperative: Much like the underlying Internet protocols themselves, Let’s Encrypt is a joint effort to benefit the community, beyond the control of any one organization. We have a page with more detailed information about how the Let’s Encrypt CA works.
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- Mar 2017
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certificates.creativecommons.org certificates.creativecommons.org
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For #OpenEducationWk Take a CC Certification Unit for a Test Drive
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- Sep 2016
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www.xaymar.com www.xaymar.com
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Until Let’s Encrypt fixes their bullshit, the CAcert certificate stays.
As of now (2016-09-20), xaymar.com actually does use a certificate issued by Let's Encrypt. It would be very interesting to read a follow-up article about the reasons that lead to this switch. Sadly, I haven't been able to find one.
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- Mar 2015
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queue.acm.org queue.acm.org
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there's no change to the revocation of bad certificates, which is still done by the CAs.
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certificates continue to be issued and revoked as they always have been
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Finally, everyone who interacts with logs should check with each other that they have all seen the same log—that is, that the log is not presenting different views to different people.
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The core idea behind Certificate Transparency is the public, verifiable, append-only log.
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Whenever a client connects to a server, it sends a few items to the server, which the server may verify or merely cache; in return the server sends a few items back from its cache. This establishes what is effectively a peer-to-peer network between the clients.
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