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npub1tha7g3nyfapxq5s9zmrs42pcur22pjzh0f2jpy4vwm4q6u0y7h9s76fx6z

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nprofile1qqs9m7lygejy7snq2gz3d3c24quwp49qepth54fqj2k8d6sdw8j0tjcpz3mhxue69uhhyetvv9ujuerpd46hxtnfduqs6amnwvaz7tmwdaejumr0ds6w9tah

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Last Notes

2023-06-07 17:23:50 CEST

- reply

📅 Original date posted:2014-07-15
📝 Original message:I have a python implementation that seems to pass this test vector:
https://github.com/wozz/electrum/blob/bip38_import/lib/bip38.py#L299
On Jul 15, 2014, at 9:19 AM, Andreas Schildbach <andreas at schildbach.de> wrote:
> I think generally control-characters (such as \u0000) should be
> disallowed in passphrases. (Even the use of whitespaces is very
> questionable.)
>
> I'm ok with allowing pile-of-poo's. On mobile phones there is keyboards
> just containing emoticons -- why not allow those? Assuming NFC works of
> course.
>
>
> On 07/15/2014 03:07 PM, Eric Winer wrote:
>> I don't know for sure if the test vector is correct NFC form. But for
>> what it's worth, the Pile of Poo character is pretty easily accessible
>> on the iPhone and Android keyboards, and in this string it's already in
>> NFC form (f09f92a9 in the test result). I've certainly seen it in
>> usernames around the internet, and wouldn't be surprised to see it in
>> passphrases entered on smartphones, especially if the author of a
>> BIP38-compatible app includes a (possibly ill-advised) suggestion to
>> have your passphrase "include special characters".
>>
>> I haven't seen the NULL character on any smartphone keyboards, though -
>> I assume the iOS and Android developers had the foresight to know how
>> much havoc that would wreak on systems assuming null-terminated strings.
>> It seems unlikely that NULL would be in a real-world passphrase entered
>> by a sane user.
>>
>>
>> On Tue, Jul 15, 2014 at 8:03 AM, Mike Hearn <mike at plan99.net
>> <mailto:mike at plan99.net>> wrote:
>>
>> [+cc aaron]
>>
>> We recently added an implementation of BIP 38 (password protected
>> private keys) to bitcoinj. It came to my attention that the third
>> test vector may be broken. It gives a hex version of what the NFC
>> normalised version of the input string should be, but this does not
>> match the results of the Java unicode normaliser, and in fact I
>> can't even get Python to print the names of the characters past the
>> embedded null. I'm curious where this normalised version came from.
>>
>> Given that "pile of poo" is not a character I think any sane user
>> would put into a passphrase, I question the value of this test
>> vector. NFC form is intended to collapse things like umlaut control
>> characters onto their prior code point, but here we're feeding the
>> algorithm what is basically garbage so I'm not totally surprised
>> that different implementations appear to disagree on the outcome.
>>
>> Proposed action: we remove this test vector as it does not represent
>> any real world usage of the spec, or if we desperately need to
>> verify NFC normalisation I suggest using a different, more realistic
>> test string, like Zürich, or something written in Thai.
>>
>>
>>
>> Test 3:
>>
>> * Passphrase ϓ␀𐐀💩 (\u03D2\u0301\u0000\U00010400\U0001F4A9; GREEK
>> UPSILON WITH HOOK <http://codepoints.net/U+03D2>, COMBINING
>> ACUTE ACCENT <http://codepoints.net/U+0301>, NULL
>> <http://codepoints.net/U+0000>, DESERET CAPITAL LETTER LONG I
>> <http://codepoints.net/U+10400>, PILE OF POO
>> <http://codepoints.net/U+1F4A9>)
>> * Encrypted key:
>> 6PRW5o9FLp4gJDDVqJQKJFTpMvdsSGJxMYHtHaQBF3ooa8mwD69bapcDQn
>> * Bitcoin Address: 16ktGzmfrurhbhi6JGqsMWf7TyqK9HNAeF
>> * Unencrypted private key (WIF):
>> 5Jajm8eQ22H3pGWLEVCXyvND8dQZhiQhoLJNKjYXk9roUFTMSZ4
>> * /Note:/ The non-standard UTF-8 characters in this passphrase
>> should be NFC normalized to result in a passphrase
>> of0xcf9300f0909080f09f92a9 before further processing
>>
>>
>>
>>
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>
>
>
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2023-06-07 17:21:26 CEST

- reply

📅 Original date posted:2014-05-19
📝 Original message:I’m not familiar with how the daemon works, however could you set up two daemons listening local on different ports and with a separate daemon or normal dns server that proxies incoming queries to either domain? I don’t know if standard DNS servers would support that, or if you would need a custom proxy application.
-
Michael Wozniak
On May 19, 2014, at 4:14 PM, Alex Kotenko <alexykot at gmail.com> wrote:
> Hmm, I've mostly setup what's promised, testing DNS seeds now. There is one problem I see that I can't really solve myself.
> This dnsseed daemon cannot serve more than one name at once, which means that I cannot serve testnet and mainnet seeds off one daemon instance which means I need to buy two IP addresses for it. That's unfortunate as it needs much more spendings from me to operate, second IP address will cost nearly as much as the server itself.
>
> Can anybody help with this? I cannot into C++ to fix that myself.
>
>
> Best regards,
> Alex Kotenko
>
>
> 2014-05-17 13:39 GMT+01:00 Andreas Schildbach <andreas at schildbach.de>:
> On 05/17/2014 02:02 PM, Alex Kotenko wrote:
>
> > So, my understanding is that atm we have no working DNS seeds at the
> > testnet3, right? There are two DNS seeds known, of which one is
> > unreachable atm, and another one is giving just one IP address, which is
> > also a dead node.
>
> Yes, that's my understanding too.
>
> > If I'll start a DNS seed of my own and make sure it works well, will
> > this help?
>
> Yes, definately.
>
> > I've found this DNS seeder daemon
> > <https://github.com/sipa/bitcoin-seeder>, and it seems to be exactly
> > what I need to run a DNS seeder myself.
>
> Afaik this is what most of the other seeds are using, yes.
>
> > So if my understanding is correct, I'll setup a DNS seeds for mainnet
> > and for testnet at bitcoin-seed.alexykot.me
> > <http://bitcoin-seed.alexykot.me> and testnet-seed.alexykot.me
> > <http://testnet-seed.alexykot.me>, and also a well connected nodes for
> > mainnet and testnet on the same server.
> > Is this a good plan? Will this all help?
>
> Sound great! Let me know if you've got something to test.
>
>
>
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