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#cryptography

Discussions on encryption, hashing, ciphers, and cryptographic protocols.

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arxid: keyed, non-enumerable ID obfuscation with a measured ARX-Feistel permutation

arxid: keyed, non-enumerable ID obfuscation with a measured ARX-Feistel permutation

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4 min read
Sellar un archivo para que nadie pueda discutir que no lo tocaste

Sellar un archivo para que nadie pueda discutir que no lo tocaste

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5 min read
Te roban la base de datos y no pueden crackear ni una contraseña

Te roban la base de datos y no pueden crackear ni una contraseña

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5 min read
PQC migration does not start by replacing an algorithm

PQC migration does not start by replacing an algorithm

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5 min read
The quantum problem starts before the quantum computer arrives

The quantum problem starts before the quantum computer arrives

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4 min read
Reprint-Safe Payment Tokens: Keyed HMAC-SHA256 with a Luhn Check Digit

Reprint-Safe Payment Tokens: Keyed HMAC-SHA256 with a Luhn Check Digit

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5 min read
Sign and authorize Zapier actions with post-quantum cryptography

Sign and authorize Zapier actions with post-quantum cryptography

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8 min read
oving Beyond TOTP: Why the PulseProof Sentinel (PPS) Protocol is the Future of Offline Authentication

oving Beyond TOTP: Why the PulseProof Sentinel (PPS) Protocol is the Future of Offline Authentication

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4 min read
Claude AI Crypto Vulnerability Scan: The Padding Oracle It Found

Claude AI Crypto Vulnerability Scan: The Padding Oracle It Found

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9 min read
Preparing Distributed Systems for the Post-Quantum Cryptography Migration

Preparing Distributed Systems for the Post-Quantum Cryptography Migration

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2 min read
I verified Apple's Private Cloud Compute from my own device export

I verified Apple's Private Cloud Compute from my own device export

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6 min read
The Distributed Systems Challenge of Post-Quantum Cryptography

The Distributed Systems Challenge of Post-Quantum Cryptography

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2 min read
Designing a Pre-Execution Governance Gate for AI Calls

Designing a Pre-Execution Governance Gate for AI Calls

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4 min read
KRACK: How WPA2 Wi-Fi Encryption Was Broken by Reusing a Key

KRACK: How WPA2 Wi-Fi Encryption Was Broken by Reusing a Key

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5 min read
Encrypting Secrets in Rust Without Writing Crypto Glue Code

Encrypting Secrets in Rust Without Writing Crypto Glue Code

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4 min read
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