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# cryptography

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

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TLS 1.3 without a library — a real browser does the handshake against Verbose machine code

TLS 1.3 without a library — a real browser does the handshake against Verbose machine code

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5 min read
Building RFC 3161 Layer 2 Verification for AI Decision Evidence

Building RFC 3161 Layer 2 Verification for AI Decision Evidence

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6 min read
Making post-quantum the default in a file format, not a toggle

Making post-quantum the default in a file format, not a toggle

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7 min read
Message Franking: Reporting Abuse Without Breaking Encryption

Message Franking: Reporting Abuse Without Breaking Encryption

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5 min read
Implementing Forward Secrecy in Rust: A Double Ratchet and Three Storage Formats

Implementing Forward Secrecy in Rust: A Double Ratchet and Three Storage Formats

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7 min read
Building Peetopee: A Peer-to-Peer Messenger with Bun, libp2p, SQLite, and Modern Cryptography

Building Peetopee: A Peer-to-Peer Messenger with Bun, libp2p, SQLite, and Modern Cryptography

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3 min read
TLS Fingerprinting: How JA3 and JA4 Identify You Before You Send a Byte

TLS Fingerprinting: How JA3 and JA4 Identify You Before You Send a Byte

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5 min read
The No-Cloning Theorem in Quantum Computing: Why You Can't Copy a Qubit

The No-Cloning Theorem in Quantum Computing: Why You Can't Copy a Qubit

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8 min read
Random Oracles in Python

Random Oracles in Python

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2 min read
Known Plaintext Attacks on Time Series Encryption

Known Plaintext Attacks on Time Series Encryption

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2 min read
rscrypto v0.4.0: Verifying Constant-Time Behavior Instead of Assuming It

rscrypto v0.4.0: Verifying Constant-Time Behavior Instead of Assuming It

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11 min read
Spectre and Meltdown: When CPUs Leak Secrets by Guessing

Spectre and Meltdown: When CPUs Leak Secrets by Guessing

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6 min read
What actually breaks when you migrate to post-quantum cryptography (and how to find out before production)

What actually breaks when you migrate to post-quantum cryptography (and how to find out before production)

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2 min read
Key Leaks, Vault Failures, and TEE Attacks: Highlights from RWC 2026

Key Leaks, Vault Failures, and TEE Attacks: Highlights from RWC 2026

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5 min read
Decentralized Communication Networks: A Solution to Corporate and Government Control of User Data and Privacy

Decentralized Communication Networks: A Solution to Corporate and Government Control of User Data and Privacy

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7 min read
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