stegobmp

Installation

Pre-requisites

• openssl 1.1.0

Compilation

make

Execution

Embed

./stegobmp -embed -in secret.txt -p carrier.bmp -out output.bmp -steg LSB1 -a des -m cbc -pass password

Extraction

./stegobmp -extract -p carrier.bmp -out message -steg LSB1 -a des -m cbc -pass password

Parameters

• -in <arg>: Input file for embed mode.
• -p <arg>: BMP carrier.
• -out <arg>: Output file.
• -steg <arg>: Steganography algorithm (LSB1, LSB4, LSBE).
• -a <arg>: Encryption/Decryption algorithm (aes128, aes192, aes256, des).
• -m <arg>: Encryption/Decryption mode (ecb, cfb, ofb, cbc).
• -pass <arg>: Password.
• -h, --help: Display help.