[tahoe-dev] notes about DIR2:CHK deep immutability (maybe Tahoe-LAFS v1.6)

[David-Sarah Hopwood]

James A. Donald wrote:
> Zooko Wilcox-O'Hearn wrote:
>  > I imagine that deep-immutability could be useful to
>  > folks.
> 
> Deep immutability is not a natural cryptographic property.

Arguably it is. Hash trees are "naturally" deeply immutable.

In any case, deep immutability is very much a natural, and more
importantly useful, property for capability systems. I don't see
why it would be any less so for cryptographic capability systems
like Tahoe.

-- 
David-Sarah Hopwood  ⚥  http://davidsarah.livejournal.com