Re: Why did the PGP Web of Trust fail?

Interestingly the latest version of X.509 has introduced the 4 cornered
trust model, with RPs trusting Trust Brokers who validate the numerous
root CAs on their behalf.

David

On 20/06/2018 21:02, Anders Rundgren wrote:
> The to date only provably scalable trust scheme I'm aware of is the
> "four corner model" used by banks.
> 
> That is, clients trust their respectively banks which in turn trust each
> other.
> 
> A down-side of that model is that it is hard to combine with end-2-end
> security.
> 
> Anders
> 
> On 2018-06-20 21:11, Henry Story wrote:
>> Hi all,
>>
>>     I wrote a blog post entitled perhaps a little teasingly
>> with the title of this thread. This followed a longer
>> entry on Digital Sovereignty I wrote, where I get into
>> the concept of an institutional Web of Trust. This lead
>> Prof Bryan Ford in the distributed/decentralised systems
>> group at EPFL in Lausanne to ask why that Web of Trust would
>> be more successful and avoid the problems of the PGP one.
>>
>> So I had to look into what the exact problems with the PGP
>> web of trust was. But as certain obvious limitations were
>> clear from  reading the PGP spec and as I thought it would
>> be unjust to tie them to such accidental errors I imagined
>> what would happen if they evolved to using the W3C Verifiable
>> Claims  standards.
>>
>> https://medium.com/@bblfish/what-are-the-failings-of-pgp-web-of-trust-958e1f62e5b7
>>
>>
>> Please let me know if I have misunderstood something.
>> I am covering quite a lot of ground here.
>>
>> Feedback very much welcome :-)
>>
>> Henry Story
>> http://co-operating.systems/
>>
> 
> 
> 

Received on Wednesday, 20 June 2018 23:10:21 UTC