An Approach of Visual Cryptography Scheme by Cumulative Image Encryption Technique Using Image-key Encryption, Bit-Sieved Operation and K-N Secret Sharing Scheme

Provided by: International Journal of Innovative Technology and Exploring Engineering (IJITEE)
Topic: Security
Format: PDF
Visual cryptography is a special type of encryption technique to obscure image-based secret information which can be decrypted by Human Visual System (HVS). It is imperceptible to reveal the secret information unless a certain number of shares (k) or more among n number of shares are superimposed. As the decryption process is done by human visual system, secret information can be retrieved by anyone if the person gets at least k number of shares. For this, simple visual cryptography is very in secure.

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