[WG-UMA] Definition of "Trust" (borrowing from TCG)

Mark Lizar mark at smartspecies.com
Thu Mar 3 12:49:57 EST 2011


I would even go a bit further and say trusted is usable for technical  
trust and trustworthiness usable for social trust.

This reminds me of a passage from the book "Trust, Complexity and  
Control: Confidence in a Convergent World" written by Piotr Cofta.  (a  
global trust expert)

" There are two trusts (i.e. Trust and control)

What is called trust here can be related to the intrinsic properties  
of a person while 'control' roughly relates to contextual properties.  
What we call here as control can be also know as control trust,  
reliance trust, assurance based trust, calculus trust, guarded trust,  
deterrence-based trust or cognitive trust.  In contrast, 'trust' is  
known as party trust, affective trust, identification-based trust,  
relational trust or extended trust.

This proliferation of terminologies has been one of the drivers to  
introduce the construct of confidence in the place traditionally taken  
by trust and to restrict trust to what is related to the intentions of  
a person.   The construct control (expressed directly in those terms,  
no longer hidden in different flavours of 'two trust;) has also been  
widely studied.

blah, blah....

Trust and control both contribute to the confidence (the substitutive  
approach), but while control is reducible to trust, trust cannot be  
reduced to control, due to the instrumentalisation of control.   "

I hope this sheds a bit of light on the fact that these issues have  
been extensively studied.   For those interested in this I recommend  
the book.

Best Regards,

- Mark

On 3 Mar 2011, at 17:27, Thomas Hardjono wrote:

> Folks,
> I would like to suggest that UMA use the narrow term of "trust"
> (technical trust) following the one used by the TCG (the people that
> made the Trusted Platform Module).
> - "Something can be trusted if it behaves in an expected manner for a
> particular purpose".
> - It is safe to trust something when:
>     (it can be unambiguously identified)
>   & (it operates unhindered)
>   & ([the user has first hand experience of consistent, good,
> behaviour] || [the user trusts someone who vouches for consistent,
> good, behaviour]).
> Note that there is a distinction between "technical trust" and "social
> trust".
> /thomas/
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