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CIRCL: Cloudflare Interoperable Reusable Cryptographic Library

10 mentions on Hacker News by 8 people: 3 stories, 7 comments · first 2019-07-18 · latest 2026-07-07

Mentions per year 10 mentions · busiest year 2022 (3)
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  1. …bug. The fix is to "not do that", although one does wonder what the original author was smoking! https://github.com/cloudflare/circl/commit/f7d2180d6a77cfb28...
    comment by dboreham · 2026-07-07 · in AI Meets Cryptography 1: What AI Found in Cloudflare's Circl
  2. …clicking through to the commit (thanks for that too btw) I see there was a regression test added: https://github.com/cloudflare/circl/commit/def2fd35b8535b0b8... but I'm wondering why there isn't a test further up the stack that is simply…
    comment by dboreham · 2026-07-07 · in AI Meets Cryptography 1: What AI Found in Cloudflare's Circl
  3. …Cloudflare's CIRCL[0] library does a bit better, but shares some of the same problems. [0] https://github.com/cloudflare/circl
    comment by alphazard · 2025-11-20 · in Go Cryptography State of the Union
  4. …an EC Cryptography 101 level mistake. Reading the actual CIRCL library source and README on GitHub: https://github.com/cloudflare/circl makes me see it as just fundamentally unserious, though; there's a big "lol don't use this!" disclaimer…
    comment by bri3d · 2025-10-22 · in Cryptographic Issues in Cloudflare's Circl FourQ Implementation (CVE-2025-8556)
  5. ▲ 68
    CIRCL: Cloudflare Interoperable Reusable Cryptographic Library
    story by nateb2022 · 2023-01-12 · 8 comments
  6. ▲ 7
    NIST post-quantum picks Kyber and Dilithium in Go
    story by bwesterb · 2022-07-05 · 0 comments
  7. And a Go implementation I wrote for Cloudflare. https://github.com/cloudflare/circl/tree/main/kem/kyber
    comment by bwesterb · 2022-07-05 · in NIST announces first PQC algoritms to be standardized
  8. …standardize SIKE through NIST. Most open source cryptographic libraries don't implement SIKE. [1]: https://github.com/cloudflare/circl [2]: https://github.com/Microsoft/PQCrypto-SIKE
    comment by agucova · 2022-06-15 · in Hertzbleed Attack
  9. ▲ 2
    Circl: A collection of cryptographic primitives written in Go
    story by tosh · 2019-09-25 · 0 comments
  10. Github repo: http://github.com/cloudflare/circl
    comment by yarapavan · 2019-07-18 · in Introducing Circl: An Advanced Cryptographic Library from Cloudflare