{"id":36918354,"url":"https://github.com/cloudlink-omega/e2ee","last_synced_at":"2026-01-12T16:11:54.954Z","repository":{"id":234525175,"uuid":"788995867","full_name":"cloudlink-omega/e2ee","owner":"cloudlink-omega","description":"General-purpose E2EE extension for Scratch.","archived":false,"fork":false,"pushed_at":"2024-11-05T21:52:37.000Z","size":22,"stargazers_count":1,"open_issues_count":1,"forks_count":1,"subscribers_count":1,"default_branch":"main","last_synced_at":"2024-11-05T22:35:59.110Z","etag":null,"topics":["cloudlink-omega","e2ee","scratch-extension","scratch3"],"latest_commit_sha":null,"homepage":"","language":"JavaScript","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/cloudlink-omega.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":"2024-04-19T13:53:40.000Z","updated_at":"2024-11-05T21:52:41.000Z","dependencies_parsed_at":"2024-04-22T20:26:52.483Z","dependency_job_id":"0ba051b2-47ef-492a-8367-f1c44d0ec567","html_url":"https://github.com/cloudlink-omega/e2ee","commit_stats":null,"previous_names":["cloudlink-omega/e2ee"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/cloudlink-omega/e2ee","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/cloudlink-omega%2Fe2ee","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/cloudlink-omega%2Fe2ee/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/cloudlink-omega%2Fe2ee/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/cloudlink-omega%2Fe2ee/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/cloudlink-omega","download_url":"https://codeload.github.com/cloudlink-omega/e2ee/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/cloudlink-omega%2Fe2ee/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":28342108,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-01-12T15:50:39.657Z","status":"ssl_error","status_checked_at":"2026-01-12T15:49:49.297Z","response_time":98,"last_error":"SSL_read: unexpected eof while reading","robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":false,"can_crawl_api":true,"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":["cloudlink-omega","e2ee","scratch-extension","scratch3"],"created_at":"2026-01-12T16:11:54.837Z","updated_at":"2026-01-12T16:11:54.918Z","avatar_url":"https://github.com/cloudlink-omega.png","language":"JavaScript","funding_links":[],"categories":[],"sub_categories":[],"readme":"![E2EE](https://github.com/cloudlink-omega/e2ee/assets/12957745/a2a66546-9471-4cc4-91f9-163c6917ebe5)\n\n# E2EE\nThis is a Scratch 3 extension that enables E2EE (End-to-End Encryption). This E2EE extension utilizes the same underlying cryptography code that powers CloudLink Omega.\n\n## Under the hood\nThis extension implements ECDH-P256-AES-GCM with SPKI-BASE64 keypairs, allowing Scratch projects to send/receive data over a wide variety of transports. It is highly resistant to attacks, and supports creating shared secrets over insecure channels (e.g. cloud variables).\n\n## What is...\n\n### ECDH-P256?\n[Elliptic-curve Diffie–Hellman](https://en.wikipedia.org/wiki/Elliptic-curve_Diffie%E2%80%93Hellman) is a key agreement protocol that allows two parties to establish a shared encryption secret over an insecure channel. This takes advantage of a epiliptic curve keypair.\n\nNIST P-256 is an implementation of a epiliptic curve, providing 256-bit keys that makes ECDH work.\n\n### AES-GCM?\n[Advanced Encryption Standard](https://en.wikipedia.org/wiki/Advanced_Encryption_Standard) is a symmetric encryption algorithm that utilizes public/private keys for encrypting/decrypting data. In this extension, this takes advantage of a shared key (secret), made possible by ECDH-P256.\n\n[Galois/Counter Mode](https://en.wikipedia.org/wiki/Galois/Counter_Mode) improves performance of AES. In short, it provides authenticated encryption and integrity checking, all with great speed and low latency.\n\n### SPKI-BASE64?\n[Simple Public Key Infrastructure](https://en.wikipedia.org/wiki/Simple_public-key_infrastructure) (Pronounced Spoo-Key) simplifies linking things to keys, in favor of typical X.509-based public keys. This extension simplifies these keys into Base64 encoding that can be easily transmitted or shared.\n\n# Disclaimers\nSince Scratch does not have any concept of \"secure\" data storage; you should be mindful of how you store your keys. A flawed implementation of this extension can put your transmitted data at risk. \n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcloudlink-omega%2Fe2ee","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fcloudlink-omega%2Fe2ee","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fcloudlink-omega%2Fe2ee/lists"}