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#cryptography

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

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I built a base-13 cipher. It failed my first test — then 169 empty slots fixed it

I built a base-13 cipher. It failed my first test — then 169 empty slots fixed it

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2 min read
Preparing for Q-Day: A Developer's Guide to Post-Quantum Cryptography (PQC)

Preparing for Q-Day: A Developer's Guide to Post-Quantum Cryptography (PQC)

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2 min read
Q-Day is Coming: Why Fault-Tolerant Quantum Computing Will Break Modern Cryptography

Q-Day is Coming: Why Fault-Tolerant Quantum Computing Will Break Modern Cryptography

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2 min read
Claude Cracked a 25-Year NSA Cryptography Mystery in Under 30 Minutes

Claude Cracked a 25-Year NSA Cryptography Mystery in Under 30 Minutes

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3 min read
I Mine IRON on a Laptop and Built a Base-13 Cipher — An Honest Numbers Report

I Mine IRON on a Laptop and Built a Base-13 Cipher — An Honest Numbers Report

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3 min read
Crypto Agility Starts With an Inventory, Not a Library

Crypto Agility Starts With an Inventory, Not a Library

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2 min read
How We Bound 512-Bit Cryptographic Signatures to Non-Linear Sri Yantra Vector Geometry Inside Raw PDF Streams

How We Bound 512-Bit Cryptographic Signatures to Non-Linear Sri Yantra Vector Geometry Inside Raw PDF Streams

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4 min read
Why my Rust encryption tool stopped using TAR for folders

Why my Rust encryption tool stopped using TAR for folders

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8 min read
PQC-Bench Part 4: SLH-DSA over TLS failed

PQC-Bench Part 4: SLH-DSA over TLS failed

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5 min read
Is NIST P-256 Backdoored? Its Seed Was a 1997 Unix Timestamp

Is NIST P-256 Backdoored? Its Seed Was a 1997 Unix Timestamp

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6 min read
Claude Traced the NIST Curve Seeds to a 1997 Clock and lrand48. Nothing to Rotate on P-256

Claude Traced the NIST Curve Seeds to a 1997 Clock and lrand48. Nothing to Rotate on P-256

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7 min read
Mutable retry state inside authenticated encrypted DTN mailboxes

Mutable retry state inside authenticated encrypted DTN mailboxes

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3 min read
PicoCTF Vigenere Writeup — Recover a Vigenère Key with Crib Dragging

PicoCTF Vigenere Writeup — Recover a Vigenère Key with Crib Dragging

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4 min read
Eliminating Server Dice Skepticism: Cryptographic Commit-Reveal & CSPRNG Verification in Real-Time Web Games

Eliminating Server Dice Skepticism: Cryptographic Commit-Reveal & CSPRNG Verification in Real-Time Web Games

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4 min read
How to Recognize a Classical Cipher Before Trying to Decode It

How to Recognize a Classical Cipher Before Trying to Decode It

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5 min read
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