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#cryptography

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

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AI Just Proved Signal's Encryption With Math. Here's What That Actually Means

AI Just Proved Signal's Encryption With Math. Here's What That Actually Means

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5 min read
What is a Verifiable Delay Function? Rule 30 and STARK proofs

What is a Verifiable Delay Function? Rule 30 and STARK proofs

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4 min read
A SHA-256 of a 6-digit PIN is not a secret: Node.js tried all 1,000,000 PINs in 2.3 seconds. scrypt makes the same search take about 14 hours

A SHA-256 of a 6-digit PIN is not a secret: Node.js tried all 1,000,000 PINs in 2.3 seconds. scrypt makes the same search take about 14 hours

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4 min read
SHA-3 isn't Keccak: why your hash doesn't match Ethereum's

SHA-3 isn't Keccak: why your hash doesn't match Ethereum's

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14 min read
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
Post-quantum readiness starts with a cryptographic inventory

Post-quantum readiness starts with a cryptographic inventory

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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
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
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