{"id":23288097,"url":"https://github.com/mruruc/cryptographic-tools","last_synced_at":"2026-02-16T11:31:59.434Z","repository":{"id":268807346,"uuid":"660850500","full_name":"Mruruc/Cryptographic-Tools","owner":"Mruruc","description":"Cryptographic Tools with example in Java SE","archived":false,"fork":false,"pushed_at":"2024-12-19T02:48:15.000Z","size":33,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"master","last_synced_at":"2025-04-03T13:15:58.502Z","etag":null,"topics":["asymmetric-encryption","hamc","hashing","javase","signature","symetric-encryption","tls","tls-certificate"],"latest_commit_sha":null,"homepage":"","language":"HTML","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/Mruruc.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":"2023-07-01T02:55:04.000Z","updated_at":"2024-12-19T02:50:15.000Z","dependencies_parsed_at":"2024-12-19T03:29:53.993Z","dependency_job_id":"aab13de3-be8e-4a94-8dd5-9672f6910383","html_url":"https://github.com/Mruruc/Cryptographic-Tools","commit_stats":null,"previous_names":["mruruc/cryptographic-tools"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/Mruruc/Cryptographic-Tools","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Mruruc%2FCryptographic-Tools","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Mruruc%2FCryptographic-Tools/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Mruruc%2FCryptographic-Tools/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Mruruc%2FCryptographic-Tools/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/Mruruc","download_url":"https://codeload.github.com/Mruruc/Cryptographic-Tools/tar.gz/refs/heads/master","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/Mruruc%2FCryptographic-Tools/sbom","scorecard":null,"host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":278405251,"owners_count":25981487,"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","status":"online","status_checked_at":"2025-10-05T02:00:06.059Z","response_time":54,"last_error":null,"robots_txt_status":"success","robots_txt_updated_at":"2025-07-24T06:49:26.215Z","robots_txt_url":"https://github.com/robots.txt","online":true,"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":["asymmetric-encryption","hamc","hashing","javase","signature","symetric-encryption","tls","tls-certificate"],"created_at":"2024-12-20T03:13:47.415Z","updated_at":"2025-10-05T03:46:28.118Z","avatar_url":"https://github.com/Mruruc.png","language":"HTML","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Cryptographic Tools: A Java Tutorial  \n\nThis repository is a **comprehensive tutorial** on essential cryptographic tools and their role in **SSL/TLS protocols**, with a special focus on **Java SE's built-in cryptographic libraries**.  \n\n## What You'll Find  \n\nExplore the core concepts of **Hashing**, **Encryption**, **Signature**, and **Certificate Handling** with practical examples showcasing how Java simplifies cryptographic implementations.  \n\n### 📜 **Hashing**\n- Learn how Java supports hashing using **Message Digest**.\n- Example: Implementing secure hash algorithms.\n\n### 🔒 **Encryption**\n- **Key Generation**: Dive into symmetric and asymmetric key generation in Java.  \n- **Encryption \u0026 Decryption**:  \n  - RSA for public-key cryptography.  \n  - CHACHA20 for symmetric encryption.  \n\n### ✍️ **Signature**\n- **HMAC** (Hash-Based Message Authentication Code): Example implementations.  \n- **Built-in Signature Algorithms**: Examples using RSA and other supported algorithms.  \n\n### 🛡️ **Certificates**\n- Implementation of **X.509 Certificates** in Java.\n\n---\n\n## 🚀 Why This Repository?\n\nThis project serves as a **learning resource** for developers looking to understand how Java SE facilitates cryptographic operations. 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