stegano.html

来自「stagnography using javascript its powerf」· HTML 代码 · 共 369 行 · 第 1/5 页

        this.shuffle[31 - i] = this.gen1;
    }
    this.state = this.shuffle[0];
    this.next = LEnext;
    this.nextInt = LEnint;
}

		</script>
        <!-- conv.js -->
		<script language="JavaScript">
    var maxLineLength = 64;
    
    var hexSentinel = "?HX?", hexEndSentinel = "?H";
    
    function armour_hex(b) {
    	var h = hexSentinel + byteArrayToHex(b) + hexEndSentinel;
	var t = "";
	while (h.length > maxLineLength) {
	    t += h.substring(0, maxLineLength) + "\n";
	    h = h.substring(maxLineLength, h.length);
	}
	t += h + "\n";
	return t;
    }
    
    function disarm_hex(s) {
    	var hexDigits = "0123456789abcdefABCDEF";
	var hs = "", i;
	
	if ((i = s.indexOf(hexSentinel)) >= 0) {
	    s = s.substring(i + hexSentinel.length, s.length);
	}
	if ((i = s.indexOf(hexEndSentinel)) >= 0) {
	    s = s.substring(0, i);
	}
	
	for (i = 0; i < s.length; i++) {
	    var c = s.charAt(i);
	    if (hexDigits.indexOf(c) >= 0) {
	    	hs += c;
	    }
	}
	return hexToByteArray(hs);
    }
    
    var acgcl, acgt, acgg;
    
    function armour_cg_outgroup() {
    	if (acgcl.length > maxLineLength) {
	    acgt += acgcl + "\n";
	    acgcl = "";
    	}
	if (acgcl.length > 0) {
	    acgcl += " ";
	}
	acgcl += acgg;
	acgg = "";
    }
    
    function armour_cg_outletter(l) {
    	if (acgg.length >= 5) {
	    armour_cg_outgroup();
	}
	acgg += l;
    }
    
    var codegroupSentinel = "ZZZZZ";
    
    function armour_codegroup(b) {
    	var charBase = ("A").charCodeAt(0);
	
	acgcl = codegroupSentinel;
	acgt = "";
	acgg = "";