[cap-talk] object-oriented-security.org

David-Sarah Hopwood david-sarah at jacaranda.org
Sun Mar 21 17:25:55 PDT 2010


Sandro Magi wrote:
> On 05/03/2010 1:12 PM, Jed Donnelley wrote:
>> Regarding #3 I believe there is general agreement that the object 
>> references in
>> common OO programming environments are not unforgeable (with perhaps
>> exceptions in the little known Joe-E, E, and Caja?).
> 
> Object references in any memory safe language are unforgeable.

That's not so. The canonical counterexample is Smalltalk, which (in most
implementations) allows you to enumerate all references via allObjectsDo.
This is practically equivalent to forging them.

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

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