Stefan Thomas [ARCHIVE] on Nostr: 📅 Original date posted:2011-09-29 🗒️ Summary of this message: BitcoinJS plans ...
📅 Original date posted:2011-09-29
🗒️ Summary of this message: BitcoinJS plans to remove dependencies on cryptopp and use OpenSSL to calculate midstate, which is currently redundant and easily calculable.
📝 Original message:BitcoinJS uses OpenSSL to calculate midstate:
https://github.com/bitcoinjs/node-bitcoin-p2p/blob/master/native.cc#L380
On 9/29/2011 1:40 PM, Nils Schneider wrote:
> Yes, that's possible and what
> https://github.com/bitcoin/bitcoin/pull/535 does. However, deprecating
> midstate (and hash1) would allow for much cleaner code.
>
> A pull request for marking midstate (and hash1) as deprecated can be
> found at https://github.com/bitcoin/bitcoin/pull/538
>
> On 29.09.2011 12:23, John Smith wrote:
>> Nils,
>>
>> Sounds good. I'm also doubtful of depending on two crypto libraries when
>> OpenSSL does perfectly well.
>>
>> However, losing compatibility with miners is not very nice. Is there
>> really not a way to compute midstate with OpenSSL?
>>
>> JS
>>
>> On Mon, Sep 26, 2011 at 7:42 PM, Nils Schneider<nils at nilsschneider.net
>> <mailto:nils at nilsschneider.net>> wrote:
>>
>> Hey,
>>
>> I'd like to simplify the internal reference miner and remove all
>> dependencies on cryptopp (it's the only place we use cryptopp instead of
>> OpenSSL).
>>
>> Unfortunately, cryptopp is also used to calculate getwork "midstate".
>> This field is redundant and the miner could easily calculate it from the
>> blockheader so I'd like to remove it.
>>
>> Any thoughts? Where should such a change should be announced so all
>> miners can be upgraded?
>>
>> ------------------------------------------------------------------------------
>> All the data continuously generated in your IT infrastructure contains a
>> definitive record of customers, application performance, security
>> threats, fraudulent activity and more. Splunk takes this data and makes
>> sense of it. Business sense. IT sense. Common sense.
>> http://p.sf.net/sfu/splunk-d2dcopy1
>> _______________________________________________
>> Bitcoin-development mailing list
>> Bitcoin-development at lists.sourceforge.net
>> <mailto:Bitcoin-development at lists.sourceforge.net>
>> https://lists.sourceforge.net/lists/listinfo/bitcoin-development
>>
>>
>
> ------------------------------------------------------------------------------
> All the data continuously generated in your IT infrastructure contains a
> definitive record of customers, application performance, security
> threats, fraudulent activity and more. Splunk takes this data and makes
> sense of it. Business sense. IT sense. Common sense.
> http://p.sf.net/sfu/splunk-d2dcopy1
> _______________________________________________
> Bitcoin-development mailing list
> Bitcoin-development at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bitcoin-development
>
🗒️ Summary of this message: BitcoinJS plans to remove dependencies on cryptopp and use OpenSSL to calculate midstate, which is currently redundant and easily calculable.
📝 Original message:BitcoinJS uses OpenSSL to calculate midstate:
https://github.com/bitcoinjs/node-bitcoin-p2p/blob/master/native.cc#L380
On 9/29/2011 1:40 PM, Nils Schneider wrote:
> Yes, that's possible and what
> https://github.com/bitcoin/bitcoin/pull/535 does. However, deprecating
> midstate (and hash1) would allow for much cleaner code.
>
> A pull request for marking midstate (and hash1) as deprecated can be
> found at https://github.com/bitcoin/bitcoin/pull/538
>
> On 29.09.2011 12:23, John Smith wrote:
>> Nils,
>>
>> Sounds good. I'm also doubtful of depending on two crypto libraries when
>> OpenSSL does perfectly well.
>>
>> However, losing compatibility with miners is not very nice. Is there
>> really not a way to compute midstate with OpenSSL?
>>
>> JS
>>
>> On Mon, Sep 26, 2011 at 7:42 PM, Nils Schneider<nils at nilsschneider.net
>> <mailto:nils at nilsschneider.net>> wrote:
>>
>> Hey,
>>
>> I'd like to simplify the internal reference miner and remove all
>> dependencies on cryptopp (it's the only place we use cryptopp instead of
>> OpenSSL).
>>
>> Unfortunately, cryptopp is also used to calculate getwork "midstate".
>> This field is redundant and the miner could easily calculate it from the
>> blockheader so I'd like to remove it.
>>
>> Any thoughts? Where should such a change should be announced so all
>> miners can be upgraded?
>>
>> ------------------------------------------------------------------------------
>> All the data continuously generated in your IT infrastructure contains a
>> definitive record of customers, application performance, security
>> threats, fraudulent activity and more. Splunk takes this data and makes
>> sense of it. Business sense. IT sense. Common sense.
>> http://p.sf.net/sfu/splunk-d2dcopy1
>> _______________________________________________
>> Bitcoin-development mailing list
>> Bitcoin-development at lists.sourceforge.net
>> <mailto:Bitcoin-development at lists.sourceforge.net>
>> https://lists.sourceforge.net/lists/listinfo/bitcoin-development
>>
>>
>
> ------------------------------------------------------------------------------
> All the data continuously generated in your IT infrastructure contains a
> definitive record of customers, application performance, security
> threats, fraudulent activity and more. Splunk takes this data and makes
> sense of it. Business sense. IT sense. Common sense.
> http://p.sf.net/sfu/splunk-d2dcopy1
> _______________________________________________
> Bitcoin-development mailing list
> Bitcoin-development at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bitcoin-development
>