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#cryptography

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

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Solving the Erasure / Receipt Trilemma in AI Memory and RAG

Solving the Erasure / Receipt Trilemma in AI Memory and RAG

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4 min read
MPC Wallets Without the Hype: Shares, Signing, Recovery and the Bugs That Broke Them

MPC Wallets Without the Hype: Shares, Signing, Recovery and the Bugs That Broke Them

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6 min read
Day 25/90: The ECB Penguin in Our Own Code -- Symmetric Encryption Done Right

Day 25/90: The ECB Penguin in Our Own Code -- Symmetric Encryption Done Right

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4 min read
How to check a Lapidarc signature yourself

How to check a Lapidarc signature yourself

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2 min read
Singapore just gave its banks a quantum deadline. The interesting part is what it left out

Singapore just gave its banks a quantum deadline. The interesting part is what it left out

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7 min read
Hybrid signatures have a trap: one valid half is not enough

Hybrid signatures have a trap: one valid half is not enough

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4 min read
Splitting a wallet key 2-of-3 in Node.js, and what Keplr's social login incident shows about it

Splitting a wallet key 2-of-3 in Node.js, and what Keplr's social login incident shows about it

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4 min read
DeepMind AI Agents 1024-bit RSA vs 2048-bit: Retire 1024

DeepMind AI Agents 1024-bit RSA vs 2048-bit: Retire 1024

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6 min read
AES-GCM in TypeScript: the 12-byte nonce, the tag, and why your ciphertext won't decrypt on the other side

AES-GCM in TypeScript: the 12-byte nonce, the tag, and why your ciphertext won't decrypt on the other side

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12 min read
We let an AI red-team our hardware encryption. Here's what it found.

We let an AI red-team our hardware encryption. Here's what it found.

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7 min read
What the evidence behind an e-signature should contain

What the evidence behind an e-signature should contain

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4 min read
Group chats are the last post-quantum holdout. The IETF just moved to fix that.

Group chats are the last post-quantum holdout. The IETF just moved to fix that.

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5 min read
Post-quantum TLS is basically one config line now

Post-quantum TLS is basically one config line now

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2 min read
1,600x is arithmetic, not an attack: I checked DeepMind RSA

1,600x is arithmetic, not an attack: I checked DeepMind RSA

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6 min read
Stop Writing 'pixel & ~1 | bit': Building a Matrix-Coset Feistel Steganography Engine in Python

Stop Writing 'pixel & ~1 | bit': Building a Matrix-Coset Feistel Steganography Engine in Python

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8 min read
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