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Abubakar Abba


Last seen: 1 year ago |  Active since 2021

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How can i calculate NPCR and UACI values to test the differential attacks for an image encryption
I am implementing an Image Encryption and want to calculate theUACI and NPCR to test for differential attack. Any help please?

3 years ago | 1 answer | 0

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Question


Please Help, I am getting this error "Index in position 1 is invalid. Array indices must be positive integers or logical values."
I havean image (P) and generated 4000 random samples and stored in variable row and col. Then, from my image P, i want to have...

3 years ago | 1 answer | 0

1

answer