28-07-2014, 02:32 PM
High Capacity Despite Better Steganalysis
High Capacity.pdf (Size: 515.17 KB / Downloads: 45)
Outline
Benefits of F5
Properties of existing tools
From Jsteg to F5
How secure is F5?
My challenge to you
Benefits of
High steganographic capacity
• High efficiency via matrix encoding
• Prevents visual attacks
• Resistant to statistical attacks (chi square)
• Uses JPEG as carrier (common in e-mails)
• Source code publicly available
Conclusion
High steganographic capacity still possible
• High efficiency (embed more bits per change)
• Resistant against statistical attack (chi square)
• Uses a common carrier medium (JPEG)
• Publicly available source code