post-quantum

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#post-quantum

Please stop hashing the public key first (or: ML-DSA's µ annoys me)

Lobsters Hottest ↗ · 2026-10-13 Cached

作者批评 ML-DSA 和 Ed25519 在签名时先对公钥哈希的做法,认为这破坏了验证端先哈希消息再逐个试验签名密钥的高效流程,并建议把公钥哈希拼接在消息末尾以保留流式哈希的优势。

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#post-quantum

(Post-Quantum) Cryptographic Right Answers

Lobsters Hottest ↗ · 2026-10-12 Cached

Filippo Valsorda 更新了经典的《Cryptographic Right Answers》指南,为开发者给出面向后量子时代的加密推荐,包括 ML-KEM-768+X25519 密钥交换、ML-DSA-44 签名以及 XAES-256-GCM/XChaCha20Poly1305 数据加密,并强调 2029 年前完成后量子迁移的紧迫性。

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#post-quantum

Quoting Matthew Green

Simon Willison's Blog ↗ · 2026-10-09 Cached

Cryptography researcher Matthew Green warns of a small but non-trivial chance that AI-driven surprises could undermine confidence in public-key encryption, arguing that standards cannot be replaced fast enough without advance preparation.

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#post-quantum

Cryptography is now under attack from both mathematical superintelligence and quantum computing research. It is probably worth thinking about transferring a modest amount of assets into physical valuables that cannot be hacked.

Reddit r/singularity ↗ · 2026-10-07

A commentary arguing that cryptographic security is increasingly threatened by both AI superintelligence and quantum computing research, suggesting people consider converting some digital assets into physical valuables that cannot be hacked.

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#post-quantum

JDK 27 has been released

Lobsters Hottest ↗ · 2026-09-16 Cached

JDK 27 has been released as the Reference Implementation of Java SE Platform version 27, featuring updates like making G1 the default garbage collector and post-quantum hybrid key exchange for TLS 1.3.

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#post-quantum

@cjpatton_: Falcon: same great flavor, now with 0% floating point arithmetic!

X AI KOLs Following ↗ · 2026-09-11 Cached

The article describes a new implementation of the Falcon signature scheme that replaces floating-point arithmetic with fixed-point arithmetic, enhancing security and efficiency as presented in a CRYPTO 2026 paper.

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#post-quantum

LLMs won't break symmetric crypto

Hacker News Top ↗ · 2026-08-06 Cached

A blog post analyzing Anthropic's recent LLM-assisted cryptanalytic attacks on HAWK and reduced-round AES, arguing that LLMs will not break established symmetric cryptographic schemes.

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#post-quantum

@efipm: Claude Mythos Cracked Post-Quantum Cryptography That Humans Spent Years Failing to Break Anthropic’s locked model found…

X AI KOLs Timeline ↗ · 2026-07-30 Cached

Anthropic's unreleased Claude Mythos Preview model discovered novel attacks on the HAWK post-quantum signature scheme and a reduced-round AES variant, significantly reducing attack costs and potentially impacting standardization.

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#post-quantum

Some notes about Anthropic’s new results

Lobsters Hottest ↗ · 2026-07-29 Cached

Anthropic published two cryptanalysis papers using its unreleased Claude Mythos model, attacking the HAWK signature scheme and reduced-round AES, highlighting AI's ability to combine existing cryptographic tools effectively.

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#post-quantum

OpenSSH 10.4

Lobsters Hottest ↗ · 2026-07-07 Cached

OpenSSH 10.4 was released on 2026-07-06, including security fixes and experimental support for a composite post-quantum signature scheme combining ML-DSA 44 and Ed25519.

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#post-quantum

OpenSSH 10.4/10.4p1 Released

Hacker News Top ↗ · 2026-07-06 Cached

OpenSSH 10.4/10.4p1 released with security fixes and experimental post-quantum signature support.

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#post-quantum

Autocrypt v2 - Post-Quantum and Reliable Deletion

Lobsters Hottest ↗ · 2026-06-29 Cached

Autocrypt v2 introduces post-quantum encryption and reliable deletion for decentralized messaging, using hybrid ML-KEM-768 and X25519 keys with automatic key rotation and destruction.

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#post-quantum

A Post-Quantum Future for Let's Encrypt

Hacker News Top ↗ · 2026-06-03 Cached

Let's Encrypt announces plans to adopt Merkle Tree Certificates for post-quantum authentication, addressing the growing urgency to migrate to post-quantum signatures in the Web PKI.

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#post-quantum

wolfSSL releases a new product; wolfCOSE a zero alloc C embbedded COSE stack

Hacker News Top ↗ · 2026-05-30 Cached

wolfSSL has released wolfCOSE, a zero-allocation C library implementing CBOR and COSE with post-quantum signing support (ML-DSA) and a tiny footprint, targeting embedded systems.

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#post-quantum

Coldkey – Post-quantum age key generation and paper backup tool

Hacker News Top ↗ · 2026-05-15 Cached

Coldkey is a command-line tool that generates post-quantum age encryption keys and creates printable HTML backups with QR codes for secure offline storage.

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#post-quantum

So you want to deploy FN-DSA

Lobsters Hottest ↗ · 2026-05-14 Cached

The article discusses the current state of the FN-DSA post-quantum signature standard, its standardization delays, and essential caveats for deployment, including prehashing considerations.

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#post-quantum

Quantum Computers Are Not a Threat to 128-bit Symmetric Keys

Lobsters Hottest ↗ · 2026-04-20 Cached

An analysis clarifies that quantum computers do not pose a threat to 128-bit symmetric cryptographic keys like AES-128, contrary to common misconceptions about Grover's algorithm. The article explains why symmetric key sizes do not need to change as part of post-quantum transition efforts, aligning with expert and standardization body consensus.

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#post-quantum

Jul 28, 2026Frontier Red TeamDiscovering cryptographic weaknesses with Claude

Anthropic Research ↗ · 2026-07-28 Cached

Anthropic researchers used Claude Mythos Preview to discover improved cryptographic attacks on HAWK (a post-quantum signature scheme) and a weakened version of AES, significantly advancing the state of the art without affecting production systems.

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