Justus Ranvier [ARCHIVE] on Nostr: 📅 Original date posted:2014-08-23 📝 Original message:-----BEGIN PGP SIGNED ...
📅 Original date posted:2014-08-23
📝 Original message:-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
On 08/23/2014 04:17 PM, xor wrote:
> On Tuesday, August 19, 2014 07:40:39 PM Jeff Garzik wrote:
>> Encryption is of little value if you may deduce the same
>> information by observing packet sizes and timings.
>
> Instead of spawning a discussion whether this aspect is a reason to
> NOT encrypt, you should do the obvious:
>
> Fix that as well. X being broken is not a reason for not fixing Y.
> Pad the then encrypted packets with random bytes. The fact that
> they are encrypted makes them look like random data already, so the
> padding will not be distinguishable from the rest. Also, add some
> random bias to their timing.
The packet size and timing issue will become less of an issue as the
network grows anyway.
One transaction inserted into a 3 transaction-per-second encrypted
stream is more obvious than the same transaction inserted into a 100
or 1000 TPS stream.
- --
Support online privacy by using email encryption whenever possible.
Learn how here: http://www.youtube.com/watch?v=bakOKJFtB-k
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📝 Original message:-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
On 08/23/2014 04:17 PM, xor wrote:
> On Tuesday, August 19, 2014 07:40:39 PM Jeff Garzik wrote:
>> Encryption is of little value if you may deduce the same
>> information by observing packet sizes and timings.
>
> Instead of spawning a discussion whether this aspect is a reason to
> NOT encrypt, you should do the obvious:
>
> Fix that as well. X being broken is not a reason for not fixing Y.
> Pad the then encrypted packets with random bytes. The fact that
> they are encrypted makes them look like random data already, so the
> padding will not be distinguishable from the rest. Also, add some
> random bias to their timing.
The packet size and timing issue will become less of an issue as the
network grows anyway.
One transaction inserted into a 3 transaction-per-second encrypted
stream is more obvious than the same transaction inserted into a 100
or 1000 TPS stream.
- --
Support online privacy by using email encryption whenever possible.
Learn how here: http://www.youtube.com/watch?v=bakOKJFtB-k
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