Securing our information and our technologies has become critical in this shifting and uncertain geopolitical context.

Encrypt plaintext by shifting letters by a user-defined number. Decrypt ciphertext back to the original text using the same shift. Input validation to ensure the shift is a valid integer.

The app takes a string and a numeric key, then shifts each character's Unicode value while maintaining the alphabet boundaries using the modulo operator.

Abstract: Data protection via encryption continues to be a key concern in the constantly changing field of digital security. This study investigates a novel method of pixel displacement picture ...

Abstract: The article proposes a new quantum-resistant cryptographic algorithm constructed based on the OTP (One-Time Pad) cipher and a hash function. By inheriting the property of “perfect secrecy” ...