Non-repudiation is the ability to prevent a identified individual from repudiating a specific action or communication associated with that individual.

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Does Non Repudiation offer proof of receipt ?

I understand that non repudiation intends to provide a mechanism that reliably proves that the sender of a message cannot deny sending the message. But does it also provide similar mechanisms to ...
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TLS with non-repudiation; what happened with 'TLS Sign'?

TLS Sign was proposed as an IETF Draft in June 2007. http://tools.ietf.org/html/draft-hajjeh-tls-sign-03 I did not found further information, besides that the draft expired in November 2007. Can ...
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Is it fair to say that lack of client-authentication in TLS implies no requirement of non-repudiation?

In an https context, if a server does not send a CertificateRequest message, is there any other way it can require non-repudiation from the client?