`katana.units.stego.whitespace` — Check spaces/tabs for binary¶

Extract hidden data with Whitespace steganography.

This unit will extract hidden data file treating spaces as a binary 0, tabs as a binary 1, and vice versa.

The unit inherits from katana.unit.FileUnit to ensure the target is a file.

class katana.units.stego.whitespace.Unit(*args, **kwargs)

GROUPS = ['stego', 'whitespace']: These are “tags” for a unit. Considering it is a Stego unit, “stego” is included, and the name of the unit itself, “whitespace”.

PRIORITY = 75: Priority works with 0 being the highest priority, and 100 being the lowest priority. 50 is the default priorty. This unit has a moderate priority.

evaluate(case)

Evaluate the target. Convert anything that could potentially be whitespace steganography and pass it to Katana.

Parameters:	case – A case returned by `enumerate`. For this unit, the `enumerate` function is not used.
Returns:	None. This function should not return any data.

katana.units.stego.whitespace.decode_from_whitespace(binary_sequence: str) → str

This is a convenience function to decode a binary sequence.

Parameters:	binary_sequence – A string of 1’s and 0’s.
Returns:	The converted data

katana.units.stego.whitespace — Check spaces/tabs for binary¶