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