دانلود رایگان پاورپوینت بررسی نهان نگاری

Steganographic techniques:Other Applications
Text steganography
Little noise in text to hide information in, but possibilities still exist:
“Since everyone can read, encoding text in neutral sentences is doubtfully effective.”
Line number/character number
Vertical letter shifts
Font changes (make some b’s, d’s, p’s longer than others)
Video steganography
Combines ideas of both image and audio stego
Open systems environment steganography
TCP/IP
Containers