<oembed><type>rich</type><version>1.0</version><author_name>npub1s4lj77xuzcu7wy04afcr487f0r3za0f8n2775xrpkld2sv639mjqsd44kw</author_name><author_url>https://nostr.ae/npub1s4lj77xuzcu7wy04afcr487f0r3za0f8n2775xrpkld2sv639mjqsd44kw</author_url><provider_name>njump</provider_name><provider_url>https://nostr.ae</provider_url><html>📅 Original date posted:2016-01-07&#xA;📝 Original message:On Thu, Jan 7, 2016 at 6:52 PM, Pieter Wuille &lt;pieter.wuille at gmail.com&gt;&#xA;wrote:&#xA;&#xA;&gt; Bitcoin does have parts that rely on economic arguments for security or&#xA;&gt; privacy, but can we please stick to using cryptography that is up to par&#xA;&gt; for parts where we can? It&#39;s a small constant factor of data, and it&#xA;&gt; categorically removes the worry about security levels.&#xA;&gt;&#xA;Our message may have crossed in the mod queue:&#xA;&#xA;&#34;So can we quantify the incremental increase in security of SHA256(SHA256)&#xA;over RIPEMD160(SHA256) versus the incremental increase in security of&#xA;having a simpler implementation of segwitness?&#34;&#xA;&#xA;I believe the history of computer security is that implementation errors&#xA;and sidechannel attacks are much, much more common than brute-force breaks.&#xA;KEEP IT SIMPLE.&#xA;&#xA;(and a quibble:  &#34;do a 80-bit search for B and C such that H(A and B) = H(B&#xA;and C)&#34;  isn&#39;t enough, you have to end up with a C public key for which you&#xA;know the corresponding private key or the attacker just succeeds in burning&#xA;the funds)&#xA;&#xA;&#xA;-- &#xA;--&#xA;Gavin Andresen&#xA;-------------- next part --------------&#xA;An HTML attachment was scrubbed...&#xA;URL: &lt;http://lists.linuxfoundation.org/pipermail/bitcoin-dev/attachments/20160107/f73f2f2c/attachment.html&gt;</html></oembed>