NerveDesk - RSA Encryption & Decryption Tool

Secure Your Messages with RSA Encryption

Encrypt and decrypt messages securely using RSA cryptography. Generate keys, protect your data, and learn about modern encryption.

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Key Size

Generated Public Key (Base64)

Generated Private Key (Base64)

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Message to Encrypt

Public Key (Base64)

Encrypted Output (Base64)

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Encrypted Message (Base64)

Private Key (Base64)

Decrypted Message

RSA (Rivest-Shamir-Adleman) is an asymmetric encryption algorithm. It uses a pair of keys: public key for encryption and private key for decryption.

Generate a pair of RSA keys (2048 or 3072 bits). Share the public key safely while keeping the private key secret.

This is an educational tool using textbook RSA. For production use, implement proper padding (OAEP) and secure key management.