{"id":16242994,"url":"https://github.com/jpmens/dv","last_synced_at":"2025-04-08T10:46:21.578Z","repository":{"id":4130613,"uuid":"5242585","full_name":"jpmens/dv","owner":"jpmens","description":"POC: Lightweight file \"signing\" and verification using DNSSEC","archived":false,"fork":false,"pushed_at":"2012-11-19T14:48:33.000Z","size":116,"stargazers_count":1,"open_issues_count":0,"forks_count":0,"subscribers_count":3,"default_branch":"master","last_synced_at":"2025-04-04T14:41:47.083Z","etag":null,"topics":[],"latest_commit_sha":null,"homepage":"http://jpmens.net/2012/07/31/lightweight-file-signing-with-dns/","language":"C","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/jpmens.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null}},"created_at":"2012-07-31T07:11:31.000Z","updated_at":"2019-03-24T11:36:50.000Z","dependencies_parsed_at":"2022-09-20T23:50:50.075Z","dependency_job_id":null,"html_url":"https://github.com/jpmens/dv","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jpmens%2Fdv","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jpmens%2Fdv/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jpmens%2Fdv/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/jpmens%2Fdv/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/jpmens","download_url":"https://codeload.github.com/jpmens/dv/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":247828467,"owners_count":21002974,"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":"2024-10-10T14:13:35.271Z","updated_at":"2025-04-08T10:46:21.553Z","avatar_url":"https://github.com/jpmens.png","language":"C","funding_links":[],"categories":[],"sub_categories":[],"readme":"# DV - Verify file hashes in the DNS\n\nAn experiment. [Read more](http://jpmens.net/2012/07/31/lightweight-file-signing-with-dns/).\n\n## Examples\n\n### Normal operation\n\n\t$ ./example reference.file\n\t\tfilename....: reference.file\n\t\tsha1........: 557db03de997c86a4a028e1ebd3a1ceb225be238\n\t\tttl.........: 70900\n\t\trdata.......: reference.file\n\t\treason......: NOERROR\n\tfile `reference.file' is valid\n\n### Modify input file\n\n\t$ echo h \u003e\u003e reference.file\n\t$ ./example reference.file\n\t\tfilename....: reference.file\n\t\tsha1........: c9477886d6d694b1b6dc17bfa04e4d81af0a1d6d\n\t\tttl.........: 0\n\t\trdata.......: \n\t\treason......: NXDOMAIN\n\tfile `reference.file' is NOT valid: NXDOMAIN\n\n### Same data, different name\n\n\t$ cp reference.file reference.bad\n\t$ ./example reference.bad \n\t\tfilename....: reference.bad\n\t\tsha1........: 557db03de997c86a4a028e1ebd3a1ceb225be238\n\t\tttl.........: 70856\n\t\trdata.......: reference.file\n\t\treason......: NOERROR\n\tfile `reference.bad' signature-state BAD (githash in DNS but filename not in rdata)\n\n### Modify program\n\n\t$ echo 'hello foo' \u003e\u003e example\n\t$ strings - example | tail -1\n\thello foo\n\n\t$ ./example reference.file\n\tProgram file ./example has been modified. ABORT\n\n## Requires\n\n* [ldns](http://www.nlnetlabs.nl/projects/ldns/)\n\n## Credits\n\n* Uses \"SHA-1 in C\", by Steve Reid (Public Domain)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjpmens%2Fdv","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fjpmens%2Fdv","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fjpmens%2Fdv/lists"}