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IdenTrust

IdenTrust is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand IdenTrust rather than just read about it. In short: IdenTrust, part of HID Global and headquartered in Salt Lake City, Utah, is a public key certificate authority that provides digital certificates to financial institutions, healthcare providers, government agencies and enterprises. As a certificate authority (CA), IdenTrust provides public key infrastructure (PKI) and validation for digital certificates, including TLS/SSL certificates, email security via S/MIME cert…

IdenTrust — main illustration
IdenTrust — illustration

Key takeaways

  • IdenTrust belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect IdenTrust to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of IdenTrust from memory before moving on to harder problems.

Reference excerpt

IdenTrust, part of HID Global and headquartered in Salt Lake City, Utah, is a public key certificate authority that provides digital certificates to financial institutions, healthcare providers, government agencies and enterprises. As a certificate authority (CA), IdenTrust provides public key infrastructure (PKI) and validation for digital certificates, including TLS/SSL certificates, email security via S/MIME certificates, digital signature certificates, code signing certificates and x.509 certificates for protecting network and IoT devices. Announced in 1999, its founding members included ABN AMRO, Barclays, Chase Manhattan, Citibank, Bank of America, Bankers Trust, Deutsche Bank, and HypoVereinsbank. Early on it opted for a technology-neutral policy, developing standards that multiple technology vendors could follow in implementing products and services for its members and customers. Initially located in New York, NY, it is presently headquartered in Salt Lake City, UT. In 2002 it acquired Digital Signature Trust (DST) for an undisclosed amount, which had previously acquired the American Bankers Association's ABAEcom project. IdenTrust was acquired by HID Global in 2014. They cross-signed the intermediate certificates of Let's Encrypt in 2015, so that Let's Encrypt CA could begin operations and be trusted in all major browsers as well. IdenTrust is accredited to issue digital certificates by the General Services Administration (GSA).

References

External links Official website

Illustrations

IdenTrust: An example of IdenTrust certificate
An example of IdenTrust certificate

Worked examples

Example 1 — a first encounter with IdenTrust

Start with the simplest possible case. Write down what IdenTrust claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to IdenTrust before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about IdenTrust ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of IdenTrust

In research
IdenTrust appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses IdenTrust in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
IdenTrust is common in secondary-school and first-year university syllabi. It links to neighbouring topics Certificate authorities, Companies based in San Francisco, so understanding it makes those chapters shorter.
In everyday life
Look for IdenTrust outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study IdenTrust in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what IdenTrust means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain IdenTrust out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is IdenTrust in simple terms?

IdenTrust, part of HID Global and headquartered in Salt Lake City, Utah, is a public key certificate authority that provides digital certificates to financial institutions, healthcare providers, government agencies and enterprises. As a certificate authority (CA), IdenTrust provides public key infr…

Why does IdenTrust matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study IdenTrust?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on IdenTrust.

Tags

  • Certificate authorities
  • Companies based in San Francisco

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