classical-cryptography
Here are 37 public repositories matching this topic...
A tool for detecting repeated sequences in ciphertexts and estimating key lengths
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Jul 28, 2025 - JavaScript
Classical Cryptography Decryption Tool Written Using Vue.js and Electron
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Feb 10, 2022 - JavaScript
Classic cryptography implementations 🏛🗝
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Mar 23, 2025 - JavaScript
各列の文字を組み合わて文字列を生成するツール。ヴィジュネル暗号の暗号解読の終盤でも使える。辞書照合による鍵キーワードの推測機能を持つ。
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Aug 15, 2025 - JavaScript
A modular text splitter for cryptanalysis and pattern analysis
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Jul 30, 2025 - JavaScript
Educational Bacon’s Cipher lab: encoding/decoding, steganographic embedding, and historical insights.
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Aug 27, 2025 - JavaScript
Linear algebra–based classical cipher (Hill cipher) with 2×2 / 3×3 keys. Encrypt/Decrypt mod 26, with modular inverse and key validation.
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Oct 6, 2025 - JavaScript
Educational tool to generate self-decoding JavaScript snippets using classic ciphers (Caesar implemented).
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Aug 12, 2025 - JavaScript
Interactive web tool to grasp the strip cipher’s structure: generate strips, set selection/placement, then encrypt and decrypt step-by-step.
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Sep 20, 2025 - JavaScript
ヒルクライミング法(hill climbing)を用いて単一換字式暗号を解読するWebツールです。
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Jul 5, 2025 - JavaScript
Web-based Polybius Cipher visualization tool (Polybius’s Checkerboard)
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Sep 17, 2025 - JavaScript
An educational web tool to explore chronograms: extract Roman numerals from inscriptions, compute hidden dates, and visualize the historical cryptographic art of embedding years in texts.
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Oct 2, 2025 - JavaScript
Classical Cipher Identification & Visualization
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Aug 14, 2025 - JavaScript
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