{"id":21657794,"url":"https://github.com/cryptocoinjs/keccak","last_synced_at":"2025-07-17T20:32:11.932Z","repository":{"id":47628888,"uuid":"76049716","full_name":"cryptocoinjs/keccak","owner":"cryptocoinjs","description":"Keccak sponge function family","archived":false,"fork":false,"pushed_at":"2024-09-03T21:01:06.000Z","size":96,"stargazers_count":86,"open_issues_count":5,"forks_count":24,"subscribers_count":9,"default_branch":"master","last_synced_at":"2024-11-02T06:38:03.785Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":null,"language":"C","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/cryptocoinjs.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2016-12-09T16:02:31.000Z","updated_at":"2024-07-25T10:18:12.000Z","dependencies_parsed_at":"2024-06-18T12:33:24.836Z","dependency_job_id":"b5cae42d-441f-4bf5-ad08-964df0967e0d","html_url":"https://github.com/cryptocoinjs/keccak","commit_stats":{"total_commits":56,"total_committers":5,"mean_commits":11.2,"dds":0.1071428571428571,"last_synced_commit":"a048e85d21b7d727ee298ba42b01ffd454222d23"},"previous_names":[],"tags_count":15,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/cryptocoinjs%2Fkeccak","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/cryptocoinjs%2Fkeccak/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/cryptocoinjs%2Fkeccak/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/cryptocoinjs%2Fkeccak/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/cryptocoinjs","download_url":"https://codeload.github.com/cryptocoinjs/keccak/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":224347570,"owners_count":17296423,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":[],"created_at":"2024-11-25T09:28:07.537Z","updated_at":"2024-11-25T09:28:09.156Z","avatar_url":"https://github.com/cryptocoinjs.png","language":"C","funding_links":[],"categories":["C"],"sub_categories":[],"readme":"# keccak\n\nThis module provides native bindings to [Keccak sponge function family][1] from [Keccak Code Package][2]. In browser pure JavaScript implementation will be used.\n\n## Usage\n\nYou can use this package as [node Hash][3].\n\n```js\nconst createKeccakHash = require('keccak')\n\nconsole.log(createKeccakHash('keccak256').digest().toString('hex'))\n// =\u003e c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470\n\nconsole.log(createKeccakHash('keccak256').update('Hello world!').digest('hex'))\n// =\u003e ecd0e108a98e192af1d2c25055f4e3bed784b5c877204e73219a5203251feaab\n```\n\nAlso object has two useful methods: `_resetState` and `_clone`\n\n```js\nconst createKeccakHash = require('keccak')\n\nconsole.log(createKeccakHash('keccak256').update('Hello World!')._resetState().digest('hex'))\n// =\u003e c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470\n\nconst hash1 = createKeccakHash('keccak256').update('Hello')\nconst hash2 = hash1._clone()\nconsole.log(hash1.digest('hex'))\n// =\u003e 06b3dfaec148fb1bb2b066f10ec285e7c9bf402ab32aa78a5d38e34566810cd2\nconsole.log(hash1.update(' world!').digest('hex'))\n// =\u003e throw Error: Digest already called\nconsole.log(hash2.update(' world!').digest('hex'))\n// =\u003e ecd0e108a98e192af1d2c25055f4e3bed784b5c877204e73219a5203251feaab\n```\n\n### Why I should use this package?\n\nI thought it will be popular question, so I decide write explanation in readme.\n\nI know a few popular packages on [npm][4] related with [Keccak][1]:\n\n  - [sha3][5] ([phusion/node-sha3][6] on github) — not actual because support _only keccak_.\n  - [js-sha3][7] ([emn178/js-sha3][8] on github) — brilliant package which support keccak, sha3, shake. But not implement [node Hash][3] interface unfortunately!\n  - [browserify-sha3][9] ([wanderer/browserify-sha3][10] on github) — based on [js-sha3][7] (but not support shake!). Support [node Hash][3] interface, but without [streams][11].\n  - [keccakjs][12] ([axic/keccakjs][13] on github) — uses [sha3][5] and [browserify-sha3][9] as fallback. As result _keccak only_ with [node Hash][3] interface without [streams][11].\n\n## LICENSE\n\nThis library is free and open-source software released under the MIT license.\n\n[1]: http://keccak.noekeon.org/\n[2]: https://github.com/gvanas/KeccakCodePackage\n[3]: https://nodejs.org/api/crypto.html#crypto_class_hash\n[4]: http://npmjs.com/\n[5]: https://www.npmjs.com/package/sha3\n[6]: https://github.com/phusion/node-sha3\n[7]: https://www.npmjs.com/package/js-sha3\n[8]: https://github.com/emn178/js-sha3\n[9]: https://www.npmjs.com/package/browserify-sha3\n[10]: https://github.com/wanderer/browserify-sha3\n[11]: http://nodejs.org/api/stream.html\n[12]: https://www.npmjs.com/package/keccakjs\n[13]: https://github.com/axic/keccakjs\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcryptocoinjs%2Fkeccak","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fcryptocoinjs%2Fkeccak","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcryptocoinjs%2Fkeccak/lists"}