<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>ltnanh</title><description>Notes on CTF, cryptography, and what I learn along the way.</description><link>http://localhost:4321/</link><item><title>Bivariate Coppersmith: Lattice Construction and RSA Applications</title><link>http://localhost:4321/blog/bivariate_coppersmith_blog/</link><guid isPermaLink="true">http://localhost:4321/blog/bivariate_coppersmith_blog/</guid><description>A practical guide to bivariate Coppersmith: lattice construction, SageMath implementation and some example applications</description><pubDate>Thu, 15 Oct 2026 00:00:00 GMT</pubDate></item><item><title>BKSEC TTV 2026 - các thử thách Cryptography</title><link>http://localhost:4321/blog/bksec-crypto-all/</link><guid isPermaLink="true">http://localhost:4321/blog/bksec-crypto-all/</guid><description>Tổng hợp writeup các thử thách CTF mảng cryptography trong đợt thi TTV BKSEC 2026</description><pubDate>Thu, 15 Oct 2026 00:00:00 GMT</pubDate></item><item><title>HTB Global Cyber Skills Benchmark 2026 — Crypto writeups</title><link>http://localhost:4321/blog/htb-global-crypto-all/</link><guid isPermaLink="true">http://localhost:4321/blog/htb-global-crypto-all/</guid><description>Tổng hợp write up các challenge cryptography trong giải HTB Global Cyber Skills Benchmark 2026</description><pubDate>Thu, 15 Oct 2026 00:00:00 GMT</pubDate></item></channel></rss>