{"id":19270776,"url":"https://github.com/berkbavas/cryptostuff","last_synced_at":"2026-06-21T00:32:07.557Z","repository":{"id":257176809,"uuid":"425096204","full_name":"berkbavas/CryptoStuff","owner":"berkbavas","description":"Cryptographic algorithms and attacks in Java 8","archived":false,"fork":false,"pushed_at":"2024-09-14T23:03:31.000Z","size":1367,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-01-05T13:11:04.770Z","etag":null,"topics":["cbc-mode","close-primes","cryptanalysis","cryptography","fermat-factorization","four-square","miller-rabin-test","monoalphabetic-cipher","pkcs1","playfair-cipher","rsa","rsa-pkcs1-padding","vigenere-cipher"],"latest_commit_sha":null,"homepage":"","language":"Java","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/berkbavas.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,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2021-11-05T22:08:06.000Z","updated_at":"2024-09-14T23:03:35.000Z","dependencies_parsed_at":"2024-09-15T06:27:29.680Z","dependency_job_id":"4ee3ae3e-e655-44d9-b562-2fdaba9b7f7a","html_url":"https://github.com/berkbavas/CryptoStuff","commit_stats":null,"previous_names":["berkbavas/cryptostuff"],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/berkbavas%2FCryptoStuff","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/berkbavas%2FCryptoStuff/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/berkbavas%2FCryptoStuff/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/berkbavas%2FCryptoStuff/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/berkbavas","download_url":"https://codeload.github.com/berkbavas/CryptoStuff/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":240371759,"owners_count":19790888,"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":["cbc-mode","close-primes","cryptanalysis","cryptography","fermat-factorization","four-square","miller-rabin-test","monoalphabetic-cipher","pkcs1","playfair-cipher","rsa","rsa-pkcs1-padding","vigenere-cipher"],"created_at":"2024-11-09T20:27:19.052Z","updated_at":"2026-06-21T00:32:07.553Z","avatar_url":"https://github.com/berkbavas.png","language":"Java","funding_links":[],"categories":[],"sub_categories":[],"readme":"# CryptoStuff\n\nThis project implements various cryptographic algorithms and attacks in **Java 8**.\n\n## Features\n\n- **Algorithms**\n  - Asymmetric Cipher:\n    - RSA with PKCS1 v1.5 Padding\n  - Traditional Ciphers:\n    - Four Square\n    - Monoalphabetic\n    - Playfair\n    - Vigenere\n\n- **Attacks**\n  - CBC Padding Oracle Attack\n  - RSA Attacks:\n    - Fermat Factorization\n    - Miller Factorization\n    - Kindle Signature Forgery\n    - Signature Without Padding\n    - Close Primes\n  - Attacks on Traditional Ciphers:\n    - Four Square\n    - Monoalphabetic\n    - Playfair\n    - Vigenere\n\n## Getting Started\n\nCompile the project:\n\n```sh\nmvn compile\n```\n\nRun tests:\n\n```sh\nmvn test\n```\n\n## Tests\n\nUnit tests are provided for all implemented algorithms and attacks. See the `test/` directory for details.\n\n## License\n\nThis project is licensed under the [MIT License](LICENSE).\n\n## Acknowledgements\n\nAttacks on traditional ciphers are based on solutions from [Practical Cryptography](http://practicalcryptography.com/cryptanalysis/).\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fberkbavas%2Fcryptostuff","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fberkbavas%2Fcryptostuff","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fberkbavas%2Fcryptostuff/lists"}