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B

BinaryImageLoader - Class in eu.kartoffelquadrat.visucrypt

Loads a file from disk and converts it into a 2D boolean array, where 0s indicate black, 1s indicate white.

BinaryImageLoader() - Constructor for class eu.kartoffelquadrat.visucrypt.BinaryImageLoader

booleanFromByte(byte) - Static method in class eu.kartoffelquadrat.visucrypt.OneTimePadGenerator

Strips a random byte value to a single bit value by extracting only the first position.

C

combine(boolean[][], boolean[][]) - Method in class eu.kartoffelquadrat.visucrypt.LogicalXorer

Creates a new 2D bool array of identical dimensions as provided image and one time pad, which serves as second share.

combine(boolean[][], boolean[][]) - Method in interface eu.kartoffelquadrat.visucrypt.Xorer

Creates a new 2D bool array of identical dimensions as provided image or share and one time pad.

E

eu.kartoffelquadrat.visucrypt - package eu.kartoffelquadrat.visucrypt

exportVisualShare(boolean[][], File, String, String) - Static method in class eu.kartoffelquadrat.visucrypt.VisualShareExporter

Transforms provided visual shares back to png format and persists them on disk.

G

generatePad(int, int) - Static method in class eu.kartoffelquadrat.visucrypt.OneTimePadGenerator

Creates random 2D boolean arrays of desired dimension.

L

Launcher - Class in eu.kartoffelquadrat.visucrypt

Launcher class for Visual Cryptography implementation.

Launcher() - Constructor for class eu.kartoffelquadrat.visucrypt.Launcher

loadImage(File) - Static method in class eu.kartoffelquadrat.visucrypt.BinaryImageLoader

Helper method to load an image from disk.

LogicalXorer - Class in eu.kartoffelquadrat.visucrypt

Utils class with a single util method that applies the XOR operation on all binary pixel values of a secret image and a provided one time pad.

LogicalXorer() - Constructor for class eu.kartoffelquadrat.visucrypt.LogicalXorer

M

main(String[]) - Static method in class eu.kartoffelquadrat.visucrypt.Launcher

Main method consumes path to original image and stores to result images in tmp directory.

O

OneTimePadGenerator - Class in eu.kartoffelquadrat.visucrypt

Creates random 2D boolean arrays which can be used as one time pads.

OneTimePadGenerator() - Constructor for class eu.kartoffelquadrat.visucrypt.OneTimePadGenerator

OUTPUT_FORMAT - Static variable in class eu.kartoffelquadrat.visucrypt.Launcher

U

upscale(boolean[][]) - Static method in class eu.kartoffelquadrat.visucrypt.Upscaler

Uses designated diagonal patterns to extend raw entropy false and true values.

Upscaler - Class in eu.kartoffelquadrat.visucrypt

Utility class.

Upscaler() - Constructor for class eu.kartoffelquadrat.visucrypt.Upscaler

V

VisualShareExporter - Class in eu.kartoffelquadrat.visucrypt

Helper class that transforms provided visual shares back to png format and persists them on disk.

VisualShareExporter() - Constructor for class eu.kartoffelquadrat.visucrypt.VisualShareExporter

X

Xorer - Interface in eu.kartoffelquadrat.visucrypt

Interface for various XORer implementations.

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