argon2-cffi
Ranked 7 of 7 cryptography libraries by recommenders
People recommend Argon2 for password hashing because it uses modern cryptography and is a good choice for converting passphrases to keys.
People recommend Argon2 for password hashing because it uses modern cryptography and is a good choice for converting passphrases to keys.
6 people gave an opinion
- recommend it
- 5
- criticize it
- 1
- approval share
- 83%
Recommended in 5 of 13 months
- November 2025: recommended
- December 2025: not recommended
- January 2026: recommended
- February 2026: recommended
- March 2026: not recommended
- April 2026: not recommended
- May 2026: not recommended
- June 2026: not recommended
- July 2026: recommended
- August 2026: not recommended
- September 2026: recommended
- October 2026: not recommended
- November 2026: not recommended (month in progress)
Why it doesn’t carry the badge
- 5 people recommend itNeeds 10 or more, not met.
- 5 recommenders for every criticNeeds 2 to 1 or better, met.
- Recommended in 5 of 13 monthsNeeds 4 or more, met.
The same three rules apply to every product, and the badge can’t be bought. How the badge works
What people say about it
The reasons people give, with the number of comments that give each one. Open a reason to read what they said.
Why people recommend it
Each mark is one comment
Good choice for password hashing
“They are actually made for password hashing and use modern cryptography”
Comment from 16 Nov 2025 in “Why Bcrypt Can Be Unsafe for Password Hashing?” “I also agree Argon2id is a quite good choice.”
Comment from 6 Jul 2026 in “Show HN: Closing the public-key authenticity gap in our E2EE social network” Modern cryptography
“They are actually made for password hashing and use modern cryptography”
Comment from 16 Nov 2025 in “Why Bcrypt Can Be Unsafe for Password Hashing?” “argon2i I think is the latest for converting passphrases to keys”
Comment from 2 Jan 2026 in “Show HN: I built a universal clipboard that syncs realtime on multiple devices”
Other cryptography libraries people recommend
The four most recommended other cryptography libraries, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.
See all 7 cryptography libraries, rankedWhat people said
All 6 comments that mention it, newest first. Each links to the original comment.
“I've had success with argon2 in workers via wasm.”
“I also agree Argon2id is a quite good choice.”
“I just found `unsecureWipe` func as `secureWipe` func in argon2-swift.”
“your hashing library will automatically take care of versioning your hash”
“argon2i I think is the latest for converting passphrases to keys”
“They are actually made for password hashing and use modern cryptography”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.