Package jsteg implements JPEG steganography.
ErrTooSmall is returned if the image is too small to hold the requested payload.
Hide writes the Image m to w in JPEG 4:2:0 baseline format with the given options, hiding the bits of data in the LSB of each block. Default parameters are used if a nil *Options is passed.
Reveal reads a JPEG image from r and returns the accumulated LSBs of each block.