Steganography

CITATION:
Neil F. Johnson. Steganography. Technical Report. November 1995.
This original paper was placed on the web in 1996. An updated was published in IEEE Computer in 1998.

1. INTRODUCTION
   1. PURPOSE OF PAPER
   2. STRUCTURE OF PAPER
2. STEGANOGRAPHY
   1. DEFINITION
   2. HISTORY AND STEGANOGRAPHY
3. PC SOFTWARE THAT PROVIDE STEGANOGRAPHIC SERVICES
   1. BACKGROUND
   2. EVALUATION METHOD
   3. SOFTWARE EVALUATION
      1. Hide and Seek v 4.1
      2. StegoDos
      3. White Noise Storm S-Tools
   4. SOFTWARE NOT TESTED BUT WORTH NOTING:
      1. Jpeg-Jsteg v4
      2. Stealth v1.1
4. CONCLUSION AND COMMENTS
5. REFERENCUS AND RESOURCE
   1. PUBLICATIONS
   2. SOFTWARE REFERENCES
   3. WEB PAGE RESOURCES

	TABLE 1: KAHN'S SECURITY CATEGORIES
	FIGURE 1: GRAY-SCALE PALETTE
	FIGURE 2: RENOIR PALETTE
	FIGURE 3: NEBULA PALETTE
	FIGURE 4: LONG-RANGE AVIATION AIRFIELD
	FIGURE 5: RENOIR'S LE MOULIN DE LA GALETTE - CONTAINER C1
	FIGURE 6: DROESHOUT ENGRAVING OF WILLIAM SHAKESPEARE - CONTAINER C2
	FIGURE 7: RESULT OF USING HIDE AND SEEK FOR EMBEDDING M1 INTO C2
	FIGURE 8: RESULT OF EMBEDDING M1 IN C2 WITH STEGODOS
	FIGURE 9:  RESULT OF EMBEDDING M1 IN C2 USING WHITE NOISE STORM
	FIGURE 10:  C1 EMBEDDED WITH M2 (AIRFIELD) USING WHITE NOISE STORM
	FIGURE 11:  LEFT IS THE ORIGINAL C2.  RIGHT IS C2 WITH M1 EMBEDDED WITH S-TOOLS
	FIGURE 12: RESULT OF EMBEDDING M2 IN C1 WITH S-TOOLS