<feed xmlns="http://www.w3.org/2005/Atom"> <id>https://lambieuu.github.io/</id><title>Saro</title><subtitle>Notes on cryptography, sometimes stuffs that I want to flex hehe.</subtitle> <updated>2026-11-03T01:07:38+07:00</updated> <author> <name>Saro</name> <uri>https://lambieuu.github.io/</uri> </author><link rel="self" type="application/atom+xml" href="https://lambieuu.github.io/feed.xml"/><link rel="alternate" type="text/html" hreflang="en" href="https://lambieuu.github.io/"/> <generator uri="https://jekyllrb.com/" version="4.4.1">Jekyll</generator> <rights> © 2026 Saro </rights> <icon>/assets/img/favicons/favicon.ico</icon> <logo>/assets/img/favicons/favicon-96x96.png</logo> <entry><title>Functional Encryption</title><link href="https://lambieuu.github.io/posts/functional-encryption/" rel="alternate" type="text/html" title="Functional Encryption" /><published>2026-10-05T00:00:00+07:00</published> <updated>2026-11-02T23:23:27+07:00</updated> <id>https://lambieuu.github.io/posts/functional-encryption/</id> <content type="text/html" src="https://lambieuu.github.io/posts/functional-encryption/" /> <author> <name>Saro</name> </author> <category term="Cryptography" /> <category term="Encryption" /> <summary>An introduction to functional encryption, with a focus on registered FE for circuits and the security model behind bounded collusion.</summary> </entry> <entry><title>K17 CTF Non-AI Division Crypto writeup</title><link href="https://lambieuu.github.io/posts/k17-CTF-Crypto-writeup/" rel="alternate" type="text/html" title="K17 CTF Non-AI Division Crypto writeup" /><published>2026-09-24T10:30:00+07:00</published> <updated>2026-09-24T10:45:17+07:00</updated> <id>https://lambieuu.github.io/posts/k17-CTF-Crypto-writeup/</id> <content type="text/html" src="https://lambieuu.github.io/posts/k17-CTF-Crypto-writeup/" /> <author> <name>Saro</name> </author> <category term="CTF" /> <category term="Cryptography" /> <category term="writeups" /> <summary>A CTF writeup on abusing per-block signatures and CBC encryption/decryption oracles to forge an admin JSON message.</summary> </entry> <entry><title>Decomposed LWE: From Gadget Decomposition to the Formal Assumption</title><link href="https://lambieuu.github.io/posts/decomposed-lwe/" rel="alternate" type="text/html" title="Decomposed LWE: From Gadget Decomposition to the Formal Assumption" /><published>2026-09-08T03:34:00+07:00</published> <updated>2026-09-08T11:33:22+07:00</updated> <id>https://lambieuu.github.io/posts/decomposed-lwe/</id> <content type="text/html" src="https://lambieuu.github.io/posts/decomposed-lwe/" /> <author> <name>Saro</name> </author> <category term="Cryptography" /> <category term="Lattices" /> <summary>An intuitive and formal introduction to Decomposed LWE, from gadget decomposition to the structured distinguishing assumption.</summary> </entry> <entry><title>Secret Sharing and Threshold Cryptography: From Shamir to T-out-of-N</title><link href="https://lambieuu.github.io/posts/secret-sharing-and-threshold-cryptography/" rel="alternate" type="text/html" title="Secret Sharing and Threshold Cryptography: From Shamir to T-out-of-N" /><published>2026-09-03T02:32:00+07:00</published> <updated>2026-09-08T04:54:00+07:00</updated> <id>https://lambieuu.github.io/posts/secret-sharing-and-threshold-cryptography/</id> <content type="text/html" src="https://lambieuu.github.io/posts/secret-sharing-and-threshold-cryptography/" /> <author> <name>Saro</name> </author> <category term="Cryptography" /> <category term="Secret Sharing" /> <summary>A learning note on secret sharing, Shamir's construction, Lagrange interpolation.</summary> </entry> <entry><title>Introduction to Elliptic Curve Cryptography</title><link href="https://lambieuu.github.io/posts/elliptic-curve-cryptography/" rel="alternate" type="text/html" title="Introduction to Elliptic Curve Cryptography" /><published>2026-09-01T16:50:00+07:00</published> <updated>2026-09-01T17:30:01+07:00</updated> <id>https://lambieuu.github.io/posts/elliptic-curve-cryptography/</id> <content type="text/html" src="https://lambieuu.github.io/posts/elliptic-curve-cryptography/" /> <author> <name>Saro</name> </author> <category term="Cryptography" /> <category term="ECC" /> <summary>Elliptic-curve arithmetic, ECDLP, ECDH/ECDSA, and classic attacks.</summary> </entry> </feed>
