Re: [freenet-support] Re: Receipt for your subscription payment

2004-09-20 Thread Toad
You have to do that yourself. Log in to paypal and cancel the
subscription from there. Thank you for your donations.

On Sat, Sep 18, 2004 at 11:18:42AM -0700, Jonathan Field wrote:
> Hello,
> 
> I still appreciate the work you're doing, but I'd like to cancel my
> subscription donation for now.  Keep up the good work!
> 
> Thanks,
> Jonathan Field
> 
> On Sat, 18 Sep 2004 [EMAIL PROTECTED] wrote:
> 
> > Dear Sam Douglas,
> >
> > This email confirms that you sent $5.00 USD to Freenet Project Inc as a
> > subscription payment.
> >
> > --
> > Payment Details
> > --
> >
> > Date of payment: Sep. 18, 2004
> > Amount: $5.00 USD
> >
> > --
> > Subscription Details
> > --
> >
> > Amount: $5.00 USD
> >
> > Date: Sep. 18, 2004
> > Subscription Name: Freenet Project Membership
> > Subscription Number: S-31808310313678018
> >
> > --
> > Contact Information
> > --
> >
> > If you have any questions or concerns about this subscription, please
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> >
> >
> > 
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[freenet-support] Re: Receipt for your subscription payment

2004-09-20 Thread Jonathan Field
Hello,

I still appreciate the work you're doing, but I'd like to cancel my
subscription donation for now.  Keep up the good work!

Thanks,
Jonathan Field

On Sat, 18 Sep 2004 [EMAIL PROTECTED] wrote:

> Dear Sam Douglas,
>
> This email confirms that you sent $5.00 USD to Freenet Project Inc as a
> subscription payment.
>
> --
> Payment Details
> --
>
> Date of payment: Sep. 18, 2004
> Amount: $5.00 USD
>
> --
> Subscription Details
> --
>
> Amount: $5.00 USD
>
> Date: Sep. 18, 2004
> Subscription Name: Freenet Project Membership
> Subscription Number: S-31808310313678018
>
> --
> Contact Information
> --
>
> If you have any questions or concerns about this subscription, please
> contact:
>
>
> Business Name: Freenet Project Inc
> Contact Email: [EMAIL PROTECTED]
> Contact Phone:
>
> Thank you for using PayPal!
> The PayPal Team
>
>
> 
> PROTECT YOUR PASSWORD
>
> NEVER give your password to anyone, including PayPal employees, and ONLY
> log in at https://www.paypal.com/. Protect yourself against fraudulent
> websites by opening up a new web browser (e.g. Internet Explorer or
> Netscape) and typing in the PayPal URL every time you log in to your
> account.
> 
>
>
> Your monthly account statement is available anytime; just log in to your
> account at https://www.paypal.com/us/HISTORY. To correct any errors, please
> contact us through our Help Center at https://www.paypal.com/us/HELP.
>
>
>
> Please do not reply to this e-mail. Mail sent to this address cannot be
> answered. For assistance, log in to your PayPal account and choose the
> "Help" link in the header of any page.
>
>
> PayPal Email ID PP119
>
>
>

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Re: [freenet-support] Needing help on filenaming

2004-09-20 Thread Toad
On Mon, Sep 20, 2004 at 12:25:58AM +1000, Yosuke Yoshikawa wrote:
> We are developing a private messaging system that uses freenet which is
> different to frost and nim.  We require that the sender and receiver
> know the filename independently if they share a secret.  The sender will
> not have their own node - it will be a once off transaction that they
> perform by getting another freenet node - any node they know about - to
> do it for them.   The receiver enlists the help of any number of freenet
> nodes to retrieve the message for him/her.  The content of the message
> is not set beforehand.

Via FNP or via FCP? FCP is not generally available publicly.. you may
have to adapt freenet/client/FNPClient so you can use FNP...
> 
> The only type of key which can be used so far for this kind of system is
> KSK, since the keypairs used in SSKs are randomly generated.  KSKs are
> no good because if one of the nodes retrieving on behalf of the receiver
> is evil, they can insert under the KSK and block the message.

At a network level, KSKs and SSKs are identical. The difference is that
for a KSK, the privkey is generated from the hash of the filename, and
the pubkey is generated from that. In either case the only way to be
able to corrupt the key is to know the private key. Which cannot be
derived from the public key. A dictionary attack is probably possible
against KSKs, but if you just use KSK@, where  is your shared secret, with at least 160 bits of entropy,
then you should be able to have reasonable security. You would want to
insert the key on several nodes, probably with the skip-local-datastore
flag enabled. We can help you with regards to API etc. Either email
tech, or come to #freenet on irc.freenode.net.
> 
> So we were thinking of creating our own type of key, a deterministically
> generated SSK which generates the keypair using the same mechanism KSKs
> use to get their key pairs.  This way, the public key can be known in
> advance since both parties can generate it from the secret.  Of course,
> an evil person can still insert under the key if they guess the secret,
> but if we make this hard, then there is less risk.

Don't bother. See above. You need the secret even in a KSK - the problem
with KSKs is precisely that everyone who can read the KSK can write it,
or spoof it. But if you are using a shared secret anyway, there is
absolutely no reason not to use KSKs as far as I can see. One caveat: I
haven't actually checked out the code in detail, but I DO know that
there are only two low level key types as far as the node is concerned -
SSK/SVK/KSK and CHK.
> 
> The other alternative is to change our freenet nodes' FCP handling so
> that KSKs can be requested in their actual freenet form (public key hash
> and so on) instead of in their human friendly version, since this
> achieves the same thing.  The advantage of SSK though is that we can use
> the same secret and just different descriptive strings if we want to
> have more than one message from the one sender.

Not necessary. But you probably want to use FNP anyway...
> 
> This is a university project that is due in 6 weeks.  I've started
> looking at the relevant freenet code and I've read what documentation I
> could get my hands on, but I really need to know some things from the
> outset, in case I waste weeks of my time on something that can't be
> done.
> 
> Namely, can you see any problems with the modifications I've proposed -
> either in terms of realizability or in terms of affecting the network.
> (Only the nodes we use for receiving will support these modifications.)

See above.
> 
> Also, if you could tell me the algorithm you are using for the
> deterministic key generation so I can guage the risk of brute forcing
> the secret.. (You are probably thinking I can find this out myself by
> looking at the code, and yes I could but I'm worried it might take me
> awhile or I might not understand because I haven't done any
> cryptography, I've just done some layperson reading.)

Hmm, not sure what you mean here.. we use AES-128, Twofish-128, DHAES
and/or DLES, DH, and SHA-1, in various places.
> 
> I look forward to your reply and thank you in advance for your time.
> 
> 
> Cheers,
> Yosuke
-- 
Matthew J Toseland - [EMAIL PROTECTED]
Freenet Project Official Codemonkey - http://freenetproject.org/
ICTHUS - Nothing is impossible. Our Boss says so.


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[freenet-support] Freenet stable insert

2004-09-20 Thread [EMAIL PROTECTED]

Can someone post  data on how insert works with stable 5095?

From a couple of well inserted node I'm unable to insert:

1) a freesite that was previously inserted in < 24 hours
 is still running after 1 week (using FIW, 5095, sun 1.4.5.)
 at depth 8

2)  a single KSK from fproxy at depth 6

Any suggestion ? Many thanks.   Marco

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