<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:st1="urn:schemas-microsoft-com:office:smarttags" xmlns="http://www.w3.org/TR/REC-html40">
<head>
<meta http-equiv=Content-Type content="text/html; charset=us-ascii">
<meta name=Generator content="Microsoft Word 11 (filtered medium)">
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
name="country-region"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
name="City"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
name="Street"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
name="address"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
name="place"/>
<o:SmartTagType namespaceuri="urn:schemas-microsoft-com:office:smarttags"
name="chsdate"/>
<!--[if !mso]>
<style>
st1\:*{behavior:url(#default#ieooui) }
</style>
<![endif]-->
<style>
<!--
/* Font Definitions */
@font-face
{font-family:SimSun;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:SimHei;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:"MS PGothic";
panose-1:2 11 6 0 7 2 5 8 2 4;}
@font-face
{font-family:SimSun;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:SimHei;
panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
{font-family:"\@MS PGothic";
panose-1:2 11 6 0 7 2 5 8 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0cm;
margin-bottom:.0001pt;
text-align:justify;
text-justify:inter-ideograph;
font-size:10.5pt;
font-family:"Times New Roman";}
h4
{margin-top:14.0pt;
margin-right:0cm;
margin-bottom:14.5pt;
margin-left:0cm;
text-align:justify;
text-justify:inter-ideograph;
line-height:156%;
page-break-after:avoid;
font-size:14.0pt;
font-family:Arial;
font-weight:bold;}
a:link, span.MsoHyperlink
{color:blue;
text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
{color:purple;
text-decoration:underline;}
p
{mso-margin-top-alt:auto;
margin-right:0cm;
mso-margin-bottom-alt:auto;
margin-left:0cm;
font-size:12.0pt;
font-family:SimSun;}
code
{font-family:SimSun;}
p.2, li.2, div.2
{margin-top:0cm;
margin-right:0cm;
margin-bottom:0cm;
margin-left:19.2pt;
margin-bottom:.0001pt;
mso-para-margin-top:0cm;
mso-para-margin-right:0cm;
mso-para-margin-bottom:0cm;
mso-para-margin-left:4.0gd;
mso-para-margin-bottom:.0001pt;
text-align:justify;
text-justify:inter-ideograph;
page-break-after:avoid;
font-size:10.5pt;
font-family:"MS PGothic";
font-weight:bold;}
span.EmailStyle18
{mso-style-type:personal-compose;
font-family:Arial;
color:windowtext;}
/* Page Definitions */
@page Section1
{size:595.3pt 841.9pt;
margin:72.0pt 90.0pt 72.0pt 90.0pt;
layout-grid:15.6pt;}
div.Section1
{page:Section1;}
-->
</style>
</head>
<body lang=ZH-CN link=blue vlink=purple style='text-justify-trim:punctuation'>
<div class=Section1 style='layout-grid:15.6pt'>
<p class=MsoNormal><font size=2 color=navy face="Times New Roman"><span
lang=EN-US style='font-size:10.0pt;color:navy'>>><st1:chsdate
IsROCDate="False" IsLunarDate="False" Day="30" Month="12" Year="1899" w:st="on">4.8.11</st1:chsdate>.3
Security with canvas elements<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face="Times New Roman"><span
lang=EN-US style='font-size:10.0pt;color:navy'>>>Even resetting the
canvas state by changing its width or height attributes doesn't reset the
origin-clean flag.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face="Times New Roman"><span
lang=EN-US style='font-size:10.0pt;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face="Times New Roman"><span
lang=EN-US style='font-size:10.0pt;color:navy'>When resetting the
canvas’s width or height attributes, the bitmap should be cleared back to
their initial state, <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face="Times New Roman"><span
lang=EN-US style='font-size:10.0pt;color:navy'>there is no Information leakage
at all, why the origin-clean should not be reset?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face="Times New Roman"><span
lang=EN-US style='font-size:10.0pt;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face="Times New Roman"><span
lang=EN-US style='font-size:10.0pt;color:navy'>Regards</span></font><font
size=2 color=black><span lang=EN-US style='font-size:10.0pt;color:black'><br>
</span></font><font size=2 color=navy><span lang=EN-US style='font-size:10.0pt;
color:navy'>C.Y.P.</span></font><span lang=EN-US><o:p></o:p></span></p>
<p class=MsoNormal><font size=2 color=blue face="Times New Roman"><span
lang=EN-US style='font-size:10.0pt;color:blue'> <o:p></o:p></span></font></p>
<p style='margin-left:42.0pt'><font size=2 color=navy face=宋体><span
lang=EN-US style='font-size:10.0pt;color:navy'>Cao Yipeng<br>
Development Dept.I<br>
Nanjing Fujitsu Nanda Software Tech. Co., Ltd.(FNST)<br>
8/F., Civil Defense Building, <st1:Street w:st="on"><st1:address w:st="on">No.189
Guangzhou Road</st1:address></st1:Street> ,<br>
<st1:City w:st="on">Nanjing</st1:City> , 210029, <st1:country-region w:st="on"><st1:place
w:st="on">China</st1:place></st1:country-region> <br>
TEL: +86+25-86630566-817<br>
COINS: 79955-817<br>
FAX: +86+25-83317685<br>
MAIL: <a href="mailto:caoyp@cn.fujitsu.com">caoyp@cn.fujitsu.com</a></span></font><span
lang=EN-US><o:p></o:p></span></p>
<p class=MsoNormal><font size=2 face="Times New Roman"><span lang=EN-US
style='font-size:10.5pt'> </span><span lang=EN-US><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face="Times New Roman"><span lang=EN-US><o:p> </o:p></span></font></p>
</div>
</body>
</html>