{"adoption": {"forks": 520, "observed_at": "2026-08-28T04:05:32.987912+00:00", "stars": 1764}, "canonical_url": "https://ross.abutalabs.com/products/elliptic", "card": {"archived": false, "artifact_type": "library", "description": "Fast Elliptic Curve Cryptography in plain javascript", "domain": ["security", "developer-tools"], "enriched": true, "function": ["cryptography", "security"], "health_score": 20, "homepage": null, "language": "JavaScript", "license": null, "license_family": "other", "maturity": "maintenance", "member_repos": ["indutny/elliptic"], "name": "indutny/elliptic", "platform": ["browser"], "pushed_at": "2024-11-13T03:39:36+00:00", "repo": "indutny/elliptic", "stars": 1764, "tags": ["ecc", "ecdsa", "ecdh", "secp256k1", "elliptic-curves", "pure-javascript", "nodejs", "javascript"], "topics": [], "urls": [], "use_cases": ["sign and verify messages with ECDSA in JavaScript", "generate elliptic curve key pairs in the browser", "perform ECDH key agreement in Node.js", "implement blockchain transaction signing with secp256k1", "add ECC to a JavaScript app without native modules"], "what_it_is": "A fast, pure-JavaScript implementation of elliptic curve cryptography supporting ECDSA signing/verification, ECDH key exchange, and EdDSA. It runs in Node.js and browsers without native dependencies.", "when_to_avoid": ["you can use the built-in Node.js crypto module or WebCrypto for better performance and security", "you need audited, side-channel-resistant cryptography for high-security production use", "you need RSA or symmetric encryption"], "when_to_choose": ["you need elliptic curve crypto in pure JavaScript with no native dependencies", "you need secp256k1 or other common curves in Node or the browser", "you need Ed25519/EdDSA support in JavaScript"]}, "data_as_of": "2026-08-30T08:39:29.467469+00:00", "members": [{"path": "/products/elliptic", "repo": "indutny/elliptic", "role": "main", "score": 32}], "provenance": {"archived": {"kind": "observed", "observed_at": "2026-08-28T04:05:32.987912+00:00", "source": "github"}, "artifact_type": {"confidence": null, "enriched_at": "2026-08-30T03:26:38.553957+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "638061bf1550ee898ba8532eacf49760e22004567e018f0a9fc277d78ed43fb1", "fetched_at": "2026-08-28T04:05:32.987912+00:00", "kind": "readme", "missing": false, "url": "https://github.com/indutny/elliptic"}, {"content_hash": "55adbffb611cef4cff2c882822fab63f29990197fb971407a66754ce88dc1e67", "fetched_at": "2026-08-29T11:05:22.019906+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/elliptic"}], "taxonomy_version": 1}, "description": {"kind": "observed", "observed_at": "2026-08-28T04:05:32.987912+00:00", "source": "github"}, "domain": {"confidence": null, "enriched_at": "2026-08-30T03:26:38.553957+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "638061bf1550ee898ba8532eacf49760e22004567e018f0a9fc277d78ed43fb1", "fetched_at": "2026-08-28T04:05:32.987912+00:00", "kind": "readme", "missing": false, "url": "https://github.com/indutny/elliptic"}, {"content_hash": "55adbffb611cef4cff2c882822fab63f29990197fb971407a66754ce88dc1e67", "fetched_at": "2026-08-29T11:05:22.019906+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/elliptic"}], "taxonomy_version": 1}, "enriched": {"inputs": [], "kind": "computed", "method": "enrichment_status"}, "function": {"confidence": null, "enriched_at": "2026-08-30T03:26:38.553957+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "638061bf1550ee898ba8532eacf49760e22004567e018f0a9fc277d78ed43fb1", "fetched_at": "2026-08-28T04:05:32.987912+00:00", "kind": "readme", "missing": false, "url": "https://github.com/indutny/elliptic"}, {"content_hash": "55adbffb611cef4cff2c882822fab63f29990197fb971407a66754ce88dc1e67", "fetched_at": "2026-08-29T11:05:22.019906+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/elliptic"}], "taxonomy_version": 1}, "health_score": {"inputs": ["days_since_push", "days_since_release", "archived"], "kind": "computed", "method": "health_v1"}, "homepage": {"kind": "observed", "observed_at": "2026-08-28T04:05:32.987912+00:00", "source": "github"}, "language": {"kind": "observed", "observed_at": "2026-08-28T04:05:32.987912+00:00", "source": "github"}, "license": {"kind": "observed", "observed_at": "2026-08-28T04:05:32.987912+00:00", "source": "github"}, "license_family": {"inputs": ["license"], "kind": "computed", "method": "license_family"}, "maturity": {"confidence": null, "enriched_at": "2026-08-30T03:26:38.553957+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "638061bf1550ee898ba8532eacf49760e22004567e018f0a9fc277d78ed43fb1", "fetched_at": "2026-08-28T04:05:32.987912+00:00", "kind": "readme", "missing": false, "url": "https://github.com/indutny/elliptic"}, {"content_hash": "55adbffb611cef4cff2c882822fab63f29990197fb971407a66754ce88dc1e67", "fetched_at": "2026-08-29T11:05:22.019906+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/elliptic"}], "taxonomy_version": 1}, "member_repos": {"kind": "observed", "observed_at": "2026-08-28T04:05:32.987912+00:00", "source": "github"}, "name": {"kind": "observed", "observed_at": "2026-08-28T04:05:32.987912+00:00", "source": "github"}, "platform": {"confidence": null, "enriched_at": "2026-08-30T03:26:38.553957+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "638061bf1550ee898ba8532eacf49760e22004567e018f0a9fc277d78ed43fb1", "fetched_at": "2026-08-28T04:05:32.987912+00:00", "kind": "readme", "missing": false, "url": "https://github.com/indutny/elliptic"}, {"content_hash": "55adbffb611cef4cff2c882822fab63f29990197fb971407a66754ce88dc1e67", "fetched_at": "2026-08-29T11:05:22.019906+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/elliptic"}], "taxonomy_version": 1}, "pushed_at": {"kind": "observed", "observed_at": "2026-08-28T04:05:32.987912+00:00", "source": "github"}, "repo": {"kind": "observed", "observed_at": "2026-08-28T04:05:32.987912+00:00", "source": "github"}, "stars": {"kind": "observed", "observed_at": "2026-08-28T04:05:32.987912+00:00", "source": "github"}, "tags": {"confidence": null, "enriched_at": "2026-08-30T03:26:38.553957+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "638061bf1550ee898ba8532eacf49760e22004567e018f0a9fc277d78ed43fb1", "fetched_at": "2026-08-28T04:05:32.987912+00:00", "kind": "readme", "missing": false, "url": "https://github.com/indutny/elliptic"}, {"content_hash": "55adbffb611cef4cff2c882822fab63f29990197fb971407a66754ce88dc1e67", "fetched_at": "2026-08-29T11:05:22.019906+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/elliptic"}], "taxonomy_version": 1}, "topics": {"kind": "observed", "observed_at": "2026-08-28T04:05:32.987912+00:00", "source": "github"}, "urls": {"kind": "observed", "observed_at": "2026-08-28T04:05:32.987912+00:00", "source": "github"}, "use_cases": {"confidence": null, "enriched_at": "2026-08-30T03:26:38.553957+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "638061bf1550ee898ba8532eacf49760e22004567e018f0a9fc277d78ed43fb1", "fetched_at": "2026-08-28T04:05:32.987912+00:00", "kind": "readme", "missing": false, "url": "https://github.com/indutny/elliptic"}, {"content_hash": "55adbffb611cef4cff2c882822fab63f29990197fb971407a66754ce88dc1e67", "fetched_at": "2026-08-29T11:05:22.019906+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/elliptic"}], "taxonomy_version": 1}, "what_it_is": {"confidence": null, "enriched_at": "2026-08-30T03:26:38.553957+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "638061bf1550ee898ba8532eacf49760e22004567e018f0a9fc277d78ed43fb1", "fetched_at": "2026-08-28T04:05:32.987912+00:00", "kind": "readme", "missing": false, "url": "https://github.com/indutny/elliptic"}, {"content_hash": "55adbffb611cef4cff2c882822fab63f29990197fb971407a66754ce88dc1e67", "fetched_at": "2026-08-29T11:05:22.019906+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/elliptic"}], "taxonomy_version": 1}, "when_to_avoid": {"confidence": null, "enriched_at": "2026-08-30T03:26:38.553957+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "638061bf1550ee898ba8532eacf49760e22004567e018f0a9fc277d78ed43fb1", "fetched_at": "2026-08-28T04:05:32.987912+00:00", "kind": "readme", "missing": false, "url": "https://github.com/indutny/elliptic"}, {"content_hash": "55adbffb611cef4cff2c882822fab63f29990197fb971407a66754ce88dc1e67", "fetched_at": "2026-08-29T11:05:22.019906+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/elliptic"}], "taxonomy_version": 1}, "when_to_choose": {"confidence": null, "enriched_at": "2026-08-30T03:26:38.553957+00:00", "kind": "inferred", "prompt_version": 1, "sources": [{"content_hash": "638061bf1550ee898ba8532eacf49760e22004567e018f0a9fc277d78ed43fb1", "fetched_at": "2026-08-28T04:05:32.987912+00:00", "kind": "readme", "missing": false, "url": "https://github.com/indutny/elliptic"}, {"content_hash": "55adbffb611cef4cff2c882822fab63f29990197fb971407a66754ce88dc1e67", "fetched_at": "2026-08-29T11:05:22.019906+00:00", "kind": "registry_npm", "missing": false, "url": "https://registry.npmjs.org/elliptic"}], "taxonomy_version": 1}}, "score": {"components": {"activity": 0, "longevity": 100, "rhythm": 35}, "computed_at": "2026-09-02T17:46:02.011165+00:00", "flags": ["no_releases", "no_license"], "formula": "round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)", "inputs": {"age_days": 4516, "days_push": 658, "days_rel": null, "gap_med": null, "n_releases_24m": 0}, "score": 32, "version": 2}, "staleness": {"enrichment_outdated": false, "low_confidence": false, "scrape_days": 9, "stale_scrape": false}}