Modulo-Based LSB Steganography Implementation

The project focuses on "Modulo-Based LSB Steganography," addressing the vulnerabilities of traditional LSB steganography that can be detected through histogram analysis and statistical examination. The modulo-based technique employs mathematical modulo operations during the least significant bit embedding process to significantly enhance resistance against steganalysis methods. In code implementation, this typically involves calculating: new_pixel_value = (original_pixel_value - (original_pixel_value mod 2^k)) + secret_data_bits, where k determines the number of LSBs used. This approach maintains the statistical distribution of pixel values better than standard LSB replacement. The algorithm ensures that embedded data doesn't create detectable patterns in histogram distributions, making statistical analysis less effective. Key functions include modulo-based embedding that distributes secret bits across multiple pixels using remainder calculations, and extraction routines that reverse the modulo operations to retrieve hidden information. This technique provides robust security for covert data transmission by making the steganographic content resistant to common detection methodologies, thereby ensuring superior protection for sensitive information in digital media.