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Title: Add One-Time Pad Cipher Implementation

🧠 Overview

The One-Time Pad (OTP) is an unbreakable cipher (if key truly random and used once). Implementing it helps demonstrate the concept of perfect secrecy in cryptography.

📂 Implementation Details

• Folder: src/main/java/com/thealgorithms/ciphers/
• Filename: OneTimePadCipher.java
• Approach:
  • Generate a random key same length as plaintext.
  • XOR plaintext with key for encryption.
  • Apply XOR again for decryption.

✅ Expected Deliverables

• Complete encrypt/decrypt implementation.
• Example with random key generation.
• Tests for multiple plaintext lengths.
• Comments explaining cryptographic limitations (key reuse).

🧑‍💻 Additional Notes

A simple yet powerful algorithm showing fundamentals of symmetric encryption and XOR logic.

Issue details

🧠 Overview

The One-Time Pad (OTP) is an unbreakable cipher (if key truly random and used once). Implementing it helps demonstrate the concept of perfect secrecy in cryptography.

Additional Information

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