My road to ML-KEM-768 over X25519 for my messaging app
Eight months ago I started working on a messaging app as an hobby to see how difficult it is. One thing led to another and then I was obsessed with th…
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My road to ML-KEM-768 over X25519 for my messaging app
Eight months ago I started working on a messaging app as an hobby to see how difficult it is. One thing led to another and then I was obsessed with th…
Our Auditor Asked How We Prove Logs Aren
We were 4 months into our SOC 2 audit when the auditor asked a question that stopped us cold: "How do you prove that your audit logs haven't been modi…
Shor's Algorithm in Plain English: How Quantum Breaks RSA and Why Post Quantum Cryptography Replaces It
Shor's Algorithm in Plain English: How Quantum Breaks RSA and Why Post Quantum Cryptography Replaces It Category : Education Shor's Algorithm in Plain…
The Cryptographic Cliff: Post-Quantum Migration at Scale
The Clock Is Already Running On August 13, 2024, the U.S. National Institute of Standards and Technology published three finalized post-quantum crypto…
RSA-OAEP Encrypt-then-Sign Messaging Tool
Machine Problem 2 Group Members: Deen, Ligero, Torres Introduction This machine problem involved designing and implementing a secure messaging system …
How I Built Plausible Deniability Into a Browser Notepad
I've been building Flowvault , an encrypted browser notepad. "Encrypted notes in the browser" isn't new — ProtectedText, Standard Notes, PrivateBin ha…
How We Use Ed25519 Signatures to Give Users Cryptographic Proof Before They Send Crypto
Most instant crypto swap services work on pure trust. You visit the site, get a deposit address, send funds, and hope the service sends back what it q…
Crack the Power picoCTF Writeup
picoCTF Crack the Power is an RSA cryptography challenge where the key insight isn't just knowing the attack — it's reading the numbers closely enough…
Why Can We Use "Shorter" Keys?: Key Length vs Security Bits, the Real Story
"ECDSA P-256 has shorter keys than RSA-2048. So it must be weaker." ...I used to think that too. 2048 bits vs 256 bits. Just looking at the numbers, R…
FHE programs have precision bugs random testing can't find — here's an adversarial search tool that does
FHE has a precision-testing problem, and random testing misses it If you compile an ML model to run under Fully Homomorphic Encryption, the encrypted …
I Built a PQC Native L1 Blockchain from Scratch in 9 Months
I’ve spent the last nine months deep in the weeds of Rust, distributed systems, and FIPS-standardized cryptography. The result is Dytallix : the first…
Engineering the Nexus Release: How I Built Secure E2EE Network Sync into a Linux Clipboard Manager (v1.5.1)
A deep dive into the architecture behind DotGhostBoard v1.5.0 — zero-config mDNS discovery, X25519 ECDH pairing, AES-256-GCM sync, rate limiting, and …
# I Replaced a $100K Security Audit with a CI Pipeline — And It Caught More Bugs
When I built UltrafastSecp256k1 — a high-performance secp256k1 cryptography library targeting CPU, CUDA, OpenCL, Metal, ESP32, and a dozen other platf…