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- authentication - How to achieve non-repudiation? - Information Security . . .
Legally, non-repudiation is about the actions of a human A court is going to be looking for evidence that a human (e g , Grandpa) assented to the terms of the contract transaction The cryptographic schemes cannot achieve that They can only show that some computer performed some action Cryptographers like to assume that the computer acts as an agent of the human and the computer's actions
- What is the difference between authenticity and non-repudiation?
Non-repudiation is an active attempt to creat artifacts which may be used against an identified person who is denying that they are the origin of a communication or action The artifacts are identity, authentication of the identity, and something connecting a communication or action to the identity
- tls - Why does HTTPS not support non-repudiation? - Information . . .
In short: non-repudiation makes the protocol and the necessary infrastructure more complex and might not be even wanted in many cases TLS therefore sticks with protecting the communication only, which is enough for most use cases of TLS If non-repudiation is actually wanted or required (and often it is not) it can be added separately
- What is Non-Repudiation of content? How can we combat it?
"Non-repudiation" is a legal concept which means that you cannot successfully claim not being the source of a given piece of data Laws for that vary quite a lot around the World, and they tend to change over time, too One powerful tool for non-repudiation is digital signatures Digital signatures do not provide non-repudiation immediately, no
- Is non-repudiation automatically proven, given the other three tenets . . .
Generally speaking non-repudiation is an anti-feature Rather than trying to provide that, provide repudiation - reject orders you cannot show are probably valid, and ensure you have enough audit trail to investigate disputed orders - so that's accurate times, web logs, IP addresses, and so forth If the IP address is in China, but they were not, chances are they didn't place the order: You
- Does SSL TLS provide non-repudiation service?
TLS does not provide non-repudiation TLS is a transport layer protocol, that helps to protect the data that flows from one point to another You can authenticate hosts with certificates or even a user with a client certificate However, non-repudiation means you can prove that a specific person received a message or is the author of a message
- Non-repudiation in Exchange Outlook without Digital Signatures
This setup does not provide non-repudiation Non-repudiation is very challenging to achieve, and based on what I am hearing, you are nowhere near it Based on your description, you're not going to be able to prove the validity of the emails through technical arguments alone You will have to use non-technical arguments You might find other
- Difference between non-repudiation and plausible deniability
There are situations in which you want non-repudiation and there are situations in which you would want plausible deniability Likewise, there are situations in which you would want non-repudiation on some aspects but plausible deniability on others For example, let's say you've made a deal with someone and want to sign a contract with them
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