{"id":24364444,"url":"https://github.com/nemanjapetrovic/cryptography-course-elfak","last_synced_at":"2026-04-16T09:33:42.814Z","repository":{"id":161777034,"uuid":"71655166","full_name":"nemanjapetrovic/cryptography-course-elfak","owner":"nemanjapetrovic","description":"Cryptography course @ Faculty of Electronic Engineering, University of Niš, Serbia","archived":false,"fork":false,"pushed_at":"2018-09-26T21:16:24.000Z","size":3116,"stargazers_count":1,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-12-25T21:18:25.428Z","etag":null,"topics":["cipher","cryptography","knapsack","multithreading","rc4","simple-substitution","tea","threading","xtea"],"latest_commit_sha":null,"homepage":"","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/nemanjapetrovic.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":"2016-10-22T17:36:58.000Z","updated_at":"2018-09-26T21:16:26.000Z","dependencies_parsed_at":null,"dependency_job_id":"3b06fecf-eb62-42a0-815b-0d8060e0de89","html_url":"https://github.com/nemanjapetrovic/cryptography-course-elfak","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/nemanjapetrovic/cryptography-course-elfak","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nemanjapetrovic%2Fcryptography-course-elfak","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nemanjapetrovic%2Fcryptography-course-elfak/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nemanjapetrovic%2Fcryptography-course-elfak/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nemanjapetrovic%2Fcryptography-course-elfak/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/nemanjapetrovic","download_url":"https://codeload.github.com/nemanjapetrovic/cryptography-course-elfak/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/nemanjapetrovic%2Fcryptography-course-elfak/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":286080680,"owners_count":31880285,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2026-04-16T09:23:21.276Z","status":"ssl_error","status_checked_at":"2026-04-16T09:23:15.028Z","response_time":69,"last_error":"SSL_connect returned=1 errno=0 peeraddr=140.82.121.6:443 state=error: 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":["cipher","cryptography","knapsack","multithreading","rc4","simple-substitution","tea","threading","xtea"],"created_at":"2025-01-18T23:53:19.378Z","updated_at":"2026-04-16T09:33:42.807Z","avatar_url":"https://github.com/nemanjapetrovic.png","language":"C#","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Cryptography course \n\n### @ Faculty of Electronic Engineering, University of Niš, Serbia\n\nThis is an application made for Cryptography course at my college. It is a C#/Windows Forms application which is able to encrypt and decrypt multiple files on multiple CPU cores at the same time. \n\nThe largest file I tried to encrypt was 1 GB and ran maximum 100 threads for encrypting 100 files.\n\n# List of encryption algorithms\n\n- [Simple substitution cipher](https://github.com/nemanjapetrovic/cryptography-course-elfak/blob/master/CryptographyProject/CryptographyProject/EncryptionAlgorithms/SimpleSubstituionCipher.cs)\n- [Knapsack](https://github.com/nemanjapetrovic/cryptography-course-elfak/blob/master/CryptographyProject/CryptographyProject/EncryptionAlgorithms/Knapsack.cs)\n- [RC4](https://github.com/nemanjapetrovic/cryptography-course-elfak/blob/master/CryptographyProject/CryptographyProject/EncryptionAlgorithms/RC4.cs)\n- [TEA](https://github.com/nemanjapetrovic/cryptography-course-elfak/blob/master/CryptographyProject/CryptographyProject/EncryptionAlgorithms/TEA.cs)\n- [XTEA](https://github.com/nemanjapetrovic/cryptography-course-elfak/blob/master/CryptographyProject/CryptographyProject/EncryptionAlgorithms/XTEA.cs)\n\n# Screenshots\n\n![Img1](http://i.imgur.com/zngp2tb.jpg)\n\n![Img2](http://i.imgur.com/Vt7z1Rz.jpg)\n\n![Img3](http://i.imgur.com/NMD4XUI.jpg)\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnemanjapetrovic%2Fcryptography-course-elfak","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fnemanjapetrovic%2Fcryptography-course-elfak","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fnemanjapetrovic%2Fcryptography-course-elfak/lists"}