CIPHER KEY (English Ver.)

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What is Cipher Key

Cipher Key is a USB-based Complete Cipher device that enables hands-on understanding of information-theoretic encryption.
Files can be ciphered and deciphered through simple drag-and-drop interaction.

This video introduces the structure and philosophy behind Cipher Key.

Key features

Cipher Key combines simplicity and strong protection, enabling intuitive experience of secure encryption in practical workflows such as cloud sharing and email transfer.

Intended use

Cipher Key is used primarily for education, demonstrations, and training environments where understanding encryption design concepts is important.