📅 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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Justus Ranvier [ARCHIVE] /
npub1k2…9qd6m
2023-06-07 17:25:24
in reply to nevent1q…paq0
Author Public Key
npub1k2eekmevs6gg60df75qpjw4a2atmy89vx28c8zqq5jxy64tuzrws39qd6mPublished at
2023-06-07 17:25:24Event JSON
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"content": "📅 Original date posted:2014-08-23\n📝 Original message:-----BEGIN PGP SIGNED MESSAGE-----\nHash: SHA256\n\nOn 08/23/2014 04:17 PM, xor wrote:\n\u003e On Tuesday, August 19, 2014 07:40:39 PM Jeff Garzik wrote:\n\u003e\u003e Encryption is of little value if you may deduce the same\n\u003e\u003e information by observing packet sizes and timings.\n\u003e \n\u003e Instead of spawning a discussion whether this aspect is a reason to\n\u003e NOT encrypt, you should do the obvious:\n\u003e \n\u003e Fix that as well. X being broken is not a reason for not fixing Y. \n\u003e Pad the then encrypted packets with random bytes. The fact that\n\u003e they are encrypted makes them look like random data already, so the\n\u003e padding will not be distinguishable from the rest. Also, add some\n\u003e random bias to their timing.\n\nThe packet size and timing issue will become less of an issue as the\nnetwork grows anyway.\n\nOne transaction inserted into a 3 transaction-per-second encrypted\nstream is more obvious than the same transaction inserted into a 100\nor 1000 TPS stream.\n\n- -- \nSupport online privacy by using email encryption whenever possible.\nLearn how here: http://www.youtube.com/watch?v=bakOKJFtB-k\n-----BEGIN PGP SIGNATURE-----\n\niQEcBAEBCAAGBQJT+MZWAAoJEMP3uyY4RQ21tDoH/0SPYQcUkYJcuDhTkJCFWdyx\nob3H7ITEcqD0UZ3n3QHdxHfCDlP2srL0EcfjbNceRX5inP47jdoGj7uIkY/NRHQ0\n4J2WCIrcu1Bj3ZxXG59PtfUzMjxhMGDMSk5eE+6BjVQILrkxxrqSpVjykfoq5s6Y\nEBdT2Pf4djQ5k2fQ2PX1dTt5iCvFh0ufq3McrYsciRzguRwlelw1W34tPBqGSv0n\nLScgvqYUTGC7otUdA5K/3WBq6SSo7E13hJxiLKQZMQ4CPpSlsiAhI5fuhl0OBljC\nhCtS+eugFmvMICQt0ELds++nnA5WN/Yjx1WIrnLA1EmNiAkS9RSEVMcyab0TtdI=\n=0sjO\n-----END PGP SIGNATURE-----\n-------------- next part --------------\nA non-text attachment was scrubbed...\nName: 0x38450DB5.asc\nType: application/pgp-keys\nSize: 14046 bytes\nDesc: not available\nURL: \u003chttp://lists.linuxfoundation.org/pipermail/bitcoin-dev/attachments/20140823/61589972/attachment.bin\u003e",
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