Subliminal Channels in Visual Cryptography
This paper describes three methods of creating a subliminal channel in visual cryptography that are defined for a (2,2) sharing scheme. They work by hiding additional covert information besides the original encrypted image. The first channel is revealed when the user folds the share along the specif...
| Published in: | Cryptography |
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| Main Authors: | , |
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2022-09-01
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| Subjects: | |
| Online Access: | https://www.mdpi.com/2410-387X/6/3/46 |