Color image processing apparatus and method

Cryptography – Particular algorithmic function encoding – Nbs/des algorithm

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Details

355201, 380 10, 380 18, 380 48, G03G 2100, H04N 144, H04N 7167, H04L 900

Patent

active

055816134

ABSTRACT:
An image processing system has an external image processing apparatus and an image input/output apparatus. One of the apparatuses acts as a transmission-side apparatus and the other apparatus acts as a reception-side apparatus. The transmission-side apparatus transmits image data and includes a reception device for receiving an encryption instruction from an apparatus which receives image data, and an output device for encrypting the image data on the basis of the encryption instruction and outputting the encrypted data to the apparatus at a reception side. The reception-side apparatus receives image data and includes a transmitting device for transmitting the encryption instruction, and a decrypting device for decrypting the encrypted data on the basis of the encryption instruction.

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