deploy: d29cb69

gogo2464 · Oct 13, 2024 · 2d3a4d9 · 2d3a4d9
1 parent 1b6d13a
commit 2d3a4d9
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/from-0-to-crypto-by-projects/episode-2-proof-demonstration/index.html b/from-0-to-crypto-by-projects/episode-2-proof-demonstration/index.html
@@ -9,6 +9,6 @@
 1 - Analysis under mathematical thinking The reverse engineering of the hash of vigenere cisco has permitted to deduct the method taken by this algorithm."><meta property="article:published_time" content="2024-10-13 01:25:30 +0200 +0200"></head><body><div class=container><header class=header><span class=header__inner><a href=/gogo-s-blog-cpe style=text-decoration:none><div class=logo><span class=logo__mark>></span>
 <span class=logo__text>crypto pwn elite (cpe) blog</span>
 <span class=logo__cursor style=background-color:#fff></span></div></a><span class=header__right><nav class=menu><ul class=menu__inner><div class=submenu><li class=dropdown><a href=/gogo-s-blog-cpe/from-0-to-buffer-overflow-by-projects>0toOverflow</a></li></div><div class=submenu><li class=dropdown><a href=/gogo-s-blog-cpe/from-0-to-crypto-by-projects>0toCrypto</a></li></div><div class=submenu><li class=dropdown><a href=/gogo-s-blog-cpe/putting-games-on-darknet>Putting-games-on-darknet</a></li></div></ul></nav><span class=menu-trigger><svg viewBox="0 0 24 24"><path d="M0 0h24v24H0z" fill="none"/><path d="M3 18h18v-2H3v2zm0-5h18v-2H3v2zm0-7v2h18V6H3z"/></svg>
-</span><span class="theme-toggle not-selectable"><svg class="theme-toggler" width="24" height="24" viewBox="0 0 48 48" fill="none"><path d="M22 41c10.4934.0 19-8.5066 19-19C41 11.5066 32.4934 3 22 3 11.5066 3 3 11.5066 3 22s8.5066 19 19 19zM7 22C7 13.7157 13.7157 7 22 7V37C13.7157 37 7 30.2843 7 22z"/></svg></span></span></span></header><div class=content><main class=post><div class=post-info></p></div><article><h2 class=post-title><a href=https://gogo2464.github.io/gogo-s-blog-cpe/from-0-to-crypto-by-projects/episode-2-proof-demonstration/>Episode 2: proof and logic, demonstration of disprooving vigenere cisco maths</a></h2><div class=post-content><h2 id=iii---reversing-checksum-method-by-mathematical-proof-disproof>III - Reversing checksum, Method by mathematical proof: disproof</h2><p>According to the documentation and as it is mentionned that type 7 is an hashing algorithm.</p><p>A secure hash algorithm is an hash algorithm so that there does not exist a function <code>f(enc)</code> so that <code>f(enc) = original_plaintext</code>.</p><h2 id=1---analysis-under-mathematical-thinking>1 - Analysis under mathematical thinking</h2><p>The reverse engineering of the hash of vigenere cisco has permitted to deduct the method taken by this algorithm.</p><p>We could then guess that the researchers thanks then that:</p><p><img alt=image src=/gogo-s-blog-cpe/from-0-to-buffer-overflow-by-projects/episode-2-proof-demonstration/theory-behind-type7-hash.png></p><p>We now have the mathematical proof (demonstration) that the algorithm is vulnerable.</p></div></article><hr><div class=post-info></div></main></div><footer class=footer><div class=footer__inner><ul class=icons><li><a href=https://gogo2464.github.io/gogo-s-blog-cpe/posts/index.xml target=_blank title=rss class="icon fa-solid fa-rss"></a></li></ul></div><div class=footer__inner><span>&copy;2024</span>&nbsp;
+</span><span class="theme-toggle not-selectable"><svg class="theme-toggler" width="24" height="24" viewBox="0 0 48 48" fill="none"><path d="M22 41c10.4934.0 19-8.5066 19-19C41 11.5066 32.4934 3 22 3 11.5066 3 3 11.5066 3 22s8.5066 19 19 19zM7 22C7 13.7157 13.7157 7 22 7V37C13.7157 37 7 30.2843 7 22z"/></svg></span></span></span></header><div class=content><main class=post><div class=post-info></p></div><article><h2 class=post-title><a href=https://gogo2464.github.io/gogo-s-blog-cpe/from-0-to-crypto-by-projects/episode-2-proof-demonstration/>Episode 2: proof and logic, demonstration of disprooving vigenere cisco maths</a></h2><div class=post-content><h2 id=iii---reversing-checksum-method-by-mathematical-proof-disproof>III - Reversing checksum, Method by mathematical proof: disproof</h2><p>According to the documentation and as it is mentionned that type 7 is an hashing algorithm.</p><p>A secure hash algorithm is an hash algorithm so that there does not exist a function <code>f(enc)</code> so that <code>f(enc) = original_plaintext</code>.</p><h2 id=1---analysis-under-mathematical-thinking>1 - Analysis under mathematical thinking</h2><p>The reverse engineering of the hash of vigenere cisco has permitted to deduct the method taken by this algorithm.</p><p>We could then guess that the researchers thanks then that:</p><p><img alt=image src=/gogo-s-blog-cpe/from-0-to-crypto-by-projects/episode-2-proof-demonstration/theory-behind-type7-hash.png></p><p>We now have the mathematical proof (demonstration) that the algorithm is vulnerable.</p></div></article><hr><div class=post-info></div></main></div><footer class=footer><div class=footer__inner><ul class=icons><li><a href=https://gogo2464.github.io/gogo-s-blog-cpe/posts/index.xml target=_blank title=rss class="icon fa-solid fa-rss"></a></li></ul></div><div class=footer__inner><span>&copy;2024</span>&nbsp;
 <span><a href=https://gogo2464.github.io/gogo-s-blog-cpe/></a></span>&nbsp;
 <span><a href=https://creativecommons.org/licenses/by-nc/4.0/ target=_blank rel=noopener>CC BY-NC 4.0</a></span></div><div class=footer__inner><div class=footer__content><span>Powered by <a href=http://gohugo.io>Hugo</a></span><span>with <a href=https://github.com/coolapso/hugo-theme-hello-4s3ti>Hello-friend-4s3ti</a></span></div></div></footer></div><script type=text/javascript src=/gogo-s-blog-cpe/bundle.min.efa6b6352b1e4d712533d2fbd29f0c899eb1474e0f181433c934e6c6fdd3678ff834c116423c957d7a6ff6763e9c0d599a82208cdeae81c4a483e37853c46360.js integrity="sha512-76a2NSseTXElM9L70p8MiZ6xR04PGBQzyTTmxv3TZ4/4NMEWQjyVfXpv9nY+nA1ZmoIgjN6ugcSkg+N4U8RjYA=="></script></body></html>