Hello All,<div><br></div><div>I have updated the algorithm to include b in the derivation of a and vice versa.</div><div><br></div><div>In the comment section of the gist, jhoenicke kindly pointed out that a derivation was not including b at all, so colluding derivation was weak to 1 leaked descendant private node.</div><div><br></div><div>I am on my phone, but once I get home I will write out how to compromise the parent private node with two child private nodes and the parent public node.</div><div><br></div><div>Hopefully writing that out will help give an understanding of any other hidden tricks.</div><div><br></div><div>Sorry if a majority don&#39;t think BIP32 is a problem, but if anyone who has interest could comment and double check the math, I would appreciate it.</div><div><br></div><div>Thanks,</div><div>Jona<br><br>2015年2月21日土曜日、木ノ下じょな&lt;<a href="mailto:kinoshitajona@gmail.com">kinoshitajona@gmail.com</a>&gt;さんは書きました:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hello All,<br><br>I have put together a proposal for a new generation methodology of HD wallets.<br><br>The method is a modification of BIP32, so if something is unclear or not explicit, please assume it follows BIP32.<br><br>I am looking forward to any and all criticism and help with writing / making the BIP more secure.<br><br>If some of my pseudo code / English is off I apologize, I am not good with words.<br><br>If this is deemed worthy enough to be drafted into a BIP, I would appreciate if someone could tell me what the overall step by step flow would be.<br><br>Thank you, I will paste the link to the proposal below.<br>Jona<br><br><a href="https://gist.github.com/dabura667/875bb2c159b219c18885" target="_blank">https://gist.github.com/dabura667/875bb2c159b219c18885</a><br><br>--<br>-----BEGIN PGP PUBLIC KEY BLOCK-----<br>Comment: <a href="http://openpgpjs.org" target="_blank">http://openpgpjs.org</a><br><br>xsBNBFTmJ8oBB/9rd+7XLxZG/x/KnhkVK2WBG8ySx91fs+qQfHIK1JrakSV3<br>x6x0cK3XLClASLLDomm7Od3Q/fMFzdwCEqj6z60T8wgKxsjWYSGL3mq8ucdv<br>iBjC3wGauk5dQKtT7tkCFyQQbX/uMsBM4ccGBICoDmIJlwJIj7fAZVqGxGOM<br>bO1RhYb4dbQA2qxYP7wSsHJ6/ZNAXyEphOj6blUzdqO0exAbCOZWWF+E/1SC<br>EuKO4RmL7Imdep7uc2Qze1UpJCZx7ASHl2IZ4UD0G3Qr3pI6/jvNlaqCTa3U<br>3/YeJwEubFsd0AVy0zs809RcKKgX3W1q+hVDTeWinem9RiOG/vT+Eec/ABEB<br>AAHNI2tpbm9zaGl0YSA8a2lub3NoaXRham9uYUBnbWFpbC5jb20+wsByBBAB<br>CAAmBQJU5ifRBgsJCAcDAgkQRB9iZ30dlisEFQgCCgMWAgECGwMCHgEAAC6Z<br>B/9otobf0ASHYdlUBeIPXdDopyjQhR2RiZGYaS0VZ5zzHYLDDMW6ZIYm5CjO<br>Fc09ETLGKFxH2RcCOK2dzwz+KRU4xqOrt/l5gyd50cFE1nOhUN9+/XaPgrou<br>WhyT9xLeGit7Xqhht93z2+VanTtJAG6lWbAZLIZAMGMuLX6sJDCO0GiO5zxa<br>02Q2D3kh5GL57A5+oVOna12JBRaIA5eBGKVCp3KToT/z48pxBe3WAmLo0zXr<br>hEgTSzssfb2zTwtB3Ogoedj+cU2bHJvJ8upS/jMr3TcdguySmxJlGpocVC/e<br>qxq12Njv+LiETOrD8atGmXCnA+nFNljBkz+l6ADl93jHzsBNBFTmJ9EBCACu<br>Qq9ZnP+aLU/Rt6clAfiHfTFBsJvLKsdIKeE6qHzsU1E7A7bGQKTtLEnhCCQE<br>W+OQP+sgbOWowIdH9PpwLJ3Op+NhvLlMxRvbT36LwCmBL0yD7bMqxxmmVj8n<br>vlMMRSe4wDSIG19Oy7701imnHZPm/pnPlneg/Meu/UffpcDWYBbAFX8nrXPY<br>vkVULcI/qTcCxW/+S9fwoXjQhWHaiJJ6y3cYOSitN31W9zgcMvLwLX3JgDxE<br>flkwq/M+ZkfCYnS3GAPEt8GkVKy2eHtCJuNkGFlCAmKMX0yWzHRAkqOMN5KP<br>LFbkKY2GQl13ztWp82QYJZpj5af6dmyUosurn6AZABEBAAHCwF8EGAEIABMF<br>AlTmJ9QJEEQfYmd9HZYrAhsMAABKbgf/Ulu5JAk4fXgH0DtkMmdkFiKEFdkW<br>0Wkw7Vhd5eZ4NzeP9kOkD01OGweT9hqzwhfT2CNXCGxh4UnvEM1ZMFypIKdq<br>0XpLLJMrDOQO021UjAa56vHZPAVmAM01z5VzHJ7ekjgwrgMLmVkm0jWKEKaO<br>n/MW7CyphG7QcZ6cJX2f6uJcekBlZRw9TNYRnojMjkutlOVhYJ3J78nc/k0p<br>kcgV63GB6D7wHRF4TVe4xIBqKpbBhhN+ISwFN1z+gx3lfyRMSmiTSrGdKEQe<br>XSIQKG8XZQZUDhLNkqPS+7EMV1g7+lOfT4GhLL68dUXDa1e9YxGH6zkpVECw<br>Spe3vsHZr6CqFg==<br>=/vUJ<br>-----END PGP PUBLIC KEY BLOCK-----<br></div>
</blockquote></div><br><br>-- <br><div dir="ltr"><div>-----BEGIN PGP PUBLIC KEY BLOCK-----</div><div>Comment: <a href="http://openpgpjs.org" target="_blank">http://openpgpjs.org</a></div><div><br></div><div>xsBNBFTmJ8oBB/9rd+7XLxZG/x/KnhkVK2WBG8ySx91fs+qQfHIK1JrakSV3</div><div>x6x0cK3XLClASLLDomm7Od3Q/fMFzdwCEqj6z60T8wgKxsjWYSGL3mq8ucdv</div><div>iBjC3wGauk5dQKtT7tkCFyQQbX/uMsBM4ccGBICoDmIJlwJIj7fAZVqGxGOM</div><div>bO1RhYb4dbQA2qxYP7wSsHJ6/ZNAXyEphOj6blUzdqO0exAbCOZWWF+E/1SC</div><div>EuKO4RmL7Imdep7uc2Qze1UpJCZx7ASHl2IZ4UD0G3Qr3pI6/jvNlaqCTa3U</div><div>3/YeJwEubFsd0AVy0zs809RcKKgX3W1q+hVDTeWinem9RiOG/vT+Eec/ABEB</div><div>AAHNI2tpbm9zaGl0YSA8a2lub3NoaXRham9uYUBnbWFpbC5jb20+wsByBBAB</div><div>CAAmBQJU5ifRBgsJCAcDAgkQRB9iZ30dlisEFQgCCgMWAgECGwMCHgEAAC6Z</div><div>B/9otobf0ASHYdlUBeIPXdDopyjQhR2RiZGYaS0VZ5zzHYLDDMW6ZIYm5CjO</div><div>Fc09ETLGKFxH2RcCOK2dzwz+KRU4xqOrt/l5gyd50cFE1nOhUN9+/XaPgrou</div><div>WhyT9xLeGit7Xqhht93z2+VanTtJAG6lWbAZLIZAMGMuLX6sJDCO0GiO5zxa</div><div>02Q2D3kh5GL57A5+oVOna12JBRaIA5eBGKVCp3KToT/z48pxBe3WAmLo0zXr</div><div>hEgTSzssfb2zTwtB3Ogoedj+cU2bHJvJ8upS/jMr3TcdguySmxJlGpocVC/e</div><div>qxq12Njv+LiETOrD8atGmXCnA+nFNljBkz+l6ADl93jHzsBNBFTmJ9EBCACu</div><div>Qq9ZnP+aLU/Rt6clAfiHfTFBsJvLKsdIKeE6qHzsU1E7A7bGQKTtLEnhCCQE</div><div>W+OQP+sgbOWowIdH9PpwLJ3Op+NhvLlMxRvbT36LwCmBL0yD7bMqxxmmVj8n</div><div>vlMMRSe4wDSIG19Oy7701imnHZPm/pnPlneg/Meu/UffpcDWYBbAFX8nrXPY</div><div>vkVULcI/qTcCxW/+S9fwoXjQhWHaiJJ6y3cYOSitN31W9zgcMvLwLX3JgDxE</div><div>flkwq/M+ZkfCYnS3GAPEt8GkVKy2eHtCJuNkGFlCAmKMX0yWzHRAkqOMN5KP</div><div>LFbkKY2GQl13ztWp82QYJZpj5af6dmyUosurn6AZABEBAAHCwF8EGAEIABMF</div><div>AlTmJ9QJEEQfYmd9HZYrAhsMAABKbgf/Ulu5JAk4fXgH0DtkMmdkFiKEFdkW</div><div>0Wkw7Vhd5eZ4NzeP9kOkD01OGweT9hqzwhfT2CNXCGxh4UnvEM1ZMFypIKdq</div><div>0XpLLJMrDOQO021UjAa56vHZPAVmAM01z5VzHJ7ekjgwrgMLmVkm0jWKEKaO</div><div>n/MW7CyphG7QcZ6cJX2f6uJcekBlZRw9TNYRnojMjkutlOVhYJ3J78nc/k0p</div><div>kcgV63GB6D7wHRF4TVe4xIBqKpbBhhN+ISwFN1z+gx3lfyRMSmiTSrGdKEQe</div><div>XSIQKG8XZQZUDhLNkqPS+7EMV1g7+lOfT4GhLL68dUXDa1e9YxGH6zkpVECw</div><div>Spe3vsHZr6CqFg==</div><div>=/vUJ</div><div>-----END PGP PUBLIC KEY BLOCK-----</div></div><br>