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libb2

brew install libb2 v0.98.1 CC0-1.0

C library implementing BLAKE2, a cryptographic hash function faster than MD5.

Why you might care

BLAKE2 is a drop-in replacement for MD5, SHA-1, SHA-2, and SHA-3 that's significantly faster while being just as secure; libb2 is the reference implementation used as a build/runtime dependency by other tools and libraries that need optimized hashing.

Categories

Alternatives

OpenSSL libsodium GnuPG
28.6k
30-day installs · #194
83.6k
90-day · #206
341.1k
365-day · #197

Links

Blurb generated by claude-haiku-4-5 on today.

Raw metadata
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  "deprecated": 0,
  "deprecation_reason": null,
  "desc": "Secure hashing function",
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  "enrichment_fetched_at": "2026-06-20T23:40:44+00:00",
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  "license": "CC0-1.0",
  "llm_generated_at": "2026-06-20T23:43:18+00:00",
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  "name": "libb2",
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  "one_liner": "C library implementing BLAKE2, a cryptographic hash function faster than MD5.",
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  "why_use_this": "BLAKE2 is a drop-in replacement for MD5, SHA-1, SHA-2, and SHA-3 that\u0027s significantly faster while being just as secure; libb2 is the reference implementation used as a build/runtime dependency by other tools and libraries that need optimized hashing."
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