🔐 Rabin Cryptosystem
🔑 Key Setup
🎲
Enter prime p (p ≡ 3 mod 4):
Enter prime q (q ≡ 3 mod 4):
Set Keys
🧾 Encryption: Input Plaintext
Plaintext (A–Z, a–z, 0–9):
Start Encryption
🔒 Encryption Steps
Character Map
No message encrypted yet.
📤 Encrypted Ciphertext
🔓 Decryption: Recover Original Message
Start Decryption
No decryption performed yet.
🎯 Decryption Candidates
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🔤 Character to m Mapping
A → 0, B → 1, ..., Z → 25
a → 26, b → 27, ..., z → 51
0 → 52, 1 → 53, ..., 9 → 61