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UacProgrammerAug 28, 2026 • 3 min read
¿Y si eliminamos todas las matemáticas de SHA-256? Mi experimento con Tablas de Búsqueda (LUT)
Todo empezó con una pregunta que sonaba tonta, de esas que uno se hace a las 3 a. m.: "¿Y si un hash...
#cryptography#security#python#programming
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Juan Carlos IsazaSep 1, 2026 • 5 min read
Sealing a file so nobody can argue you touched it
An argument about a digital file is almost never lost over what the file says. It is lost one questi...
#cryptography#rust#security#postquantum
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BijanSep 2, 2026 • 3 min read
The One Line of Code That Stops Rainbow Table Attacks
Someone steals a database of password hashes. Instead of cracking each one individually, they check....
#cryptography#python#security#programming
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Juan Carlos IsazaAug 30, 2026 • 2 min read
Hybrid encryption: why combine classical and post-quantum cryptography
When a new cryptographic algorithm appears, a tension shows up: classical algorithms such as X25519 ...
#cryptography#rust#security#postquantum
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Juan Carlos IsazaAug 29, 2026 • 2 min read
What is post-quantum cryptography, and why migrate now?
The cryptography protecting your data today — keys, HTTPS, signatures — rests on mathematical proble...
#cryptography#rust#security#postquantum
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Juan Carlos IsazaAug 29, 2026 • 2 min read
Quipu: post-quantum encryption in pure Rust, with a Python wheel
Protecting data that must stay secret ten years from now is a problem for today: an adversary can ca...
#cryptography#rust#security#postquantum
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Mamad IezadAug 30, 2026 • 4 min read
Why Your Audit Log Needs a Hash Chain
Tamper-evident audit logging explained honestly: the real threat model, how a hash chain detects edi...
#python#security#compliance#cryptography
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Juan Carlos IsazaAug 31, 2026 • 5 min read
They steal your database and cannot crack a single password
Picture the worst Monday: someone walked off with a dump of your users table. Emails, names, and the...
#cryptography#rust#security#postquantum
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Nguyen DongSep 3, 2026 • 4 min read
In April, banking was the least post-quantum-ready sector we measured. It is now second from the top.
Global PQ Readiness Index — September 2026 Probe date: 2026-09-03 UTC · Previous runs:...
#postquantum#cryptography#security#tls
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Edison FloresSep 1, 2026 • 3 min read
Anatomía de un pipeline de verificación de 12 etapas para credenciales de agentes IA
Por qué 12 etapas Cuando empecé a diseñar el Universal Trust Adapter (UTA), pensé:...
#security#spanish#ai#cryptography
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Matheus de Camargo MarquesSep 2, 2026 • 3 min read
How WhatsApp & Signal Sign Messages Using X25519 Keys (Demystifying XEdDSA)
A deep dive into XEdDSA, how X25519 public keys are converted to Ed25519 for signature verification,...
#cryptography#elixir#security#webdev
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Edison FloresSep 1, 2026 • 2 min read
Sécuriser les agents IA avec un pipeline de vérification en 12 étapes
Introduction Cet article est un guide technique pour les développeurs francophones qui...
#french#security#ai#cryptography
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Edison FloresSep 1, 2026 • 3 min read
Como verificar credenciais de agentes de IA: um guia técnico em português
Introdução Este é um guia técnico para desenvolvedores falantes de português que querem...
#portuguese#ai#cryptography#tutorial
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André Dias Moreira ProlAug 28, 2026 • 3 min read
André Dias Moreira Prol: Hash & Chain of Custody in Digital Forensics
In two decades working at the intersection of technology and evidence, I have learned that a single....
#forensics#cryptography#evidence#cybersecurity
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VaultKeepRSep 2, 2026 • 4 min read
Shamir Secret Sharing Password Manager: Breaking the Recovery Model
How shamir secret sharing password manager architecture eliminates single points of failure in passw...
#passwordmanager#cryptography#security#shamirsecretsharing
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André Dias Moreira ProlAug 28, 2026 • 3 min read
André Dias Moreira Prol: hash e cadeia de custódia na perícia digital
Imagine que você precisa provar, anos depois de um incidente, que um arquivo digital não sofreu uma....
#forensics#cryptography#evidence#cybersecurity
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Abhishek BiswasAug 28, 2026 • 2 min read
I couldn’t find a local Post-Quantum file encryption tool, so I built my own. Looking for feedback. Any thought on this ?
Hey everyone, I’ve been searching for a dedicated post-quantum cryptography (PQC) tool to secure....
#cybersecurity#security#opensource#cryptography
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Passwork TeamAug 28, 2026 • 5 min read
Why SHA-256 password hashes still get cracked
One article on our blog has consistently remained our most popular: "How SHA-256 works: Can you...
#cryptography#security#sha256#passwordmanagement
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Passwork TeamAug 28, 2026 • 6 min read
Por qué los hashes SHA-256 de contraseñas siguen siendo vulnerados
Uno de los artículos de nuestro blog se ha mantenido consistentemente como el más popular: "Cómo...
#sha256#cryptography#security#passwordmanagement
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Harrison GuoSep 1, 2026 • 7 min read
Shamir Secret Sharing, Explained With Pictures
Split a secret into five pieces so that any three rebuild it and any two reveal nothing at all. The ...
#shamir#cryptography#explainer#slip39
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