<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8">
<meta name="generator" content="pdf2htmlEX">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<link rel="stylesheet" href="https://static.pudn.com/base/css/base.min.css">
<link rel="stylesheet" href="https://static.pudn.com/base/css/fancy.min.css">
<link rel="stylesheet" href="https://static.pudn.com/prod/directory_preview_static/62695a814f8811599e1e7f01/raw.css">
<script src="https://static.pudn.com/base/js/compatibility.min.js"></script>
<script src="https://static.pudn.com/base/js/pdf2htmlEX.min.js"></script>
<script>
try{
pdf2htmlEX.defaultViewer = new pdf2htmlEX.Viewer({});
}catch(e){}
</script>
<title></title>
</head>
<body>
<div id="sidebar" style="display: none">
<div id="outline">
</div>
</div>
<div id="pf1" class="pf w0 h0" data-page-no="1"><div class="pc pc1 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/62695a814f8811599e1e7f01/bg1.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x1 h3 y2 ff1 fs0 fc0 sc0 ls0 ws0">SMU<span class="_ _0"> </span>CSE 5349<span class="_ _1"></span>/49</div><div class="t m0 x2 h4 y3 ff2 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 x3 h5 y4 ff1 fs2 fc2 sc0 ls0 ws0">MAC and Hash</div></div></div><div class="pi" data-data='{"ctm":[1.333333,0.000000,0.000000,1.333333,0.000000,0.000000]}'></div></div>
</body>
</html>
<div id="pf2" class="pf w0 h0" data-page-no="2"><div class="pc pc2 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/62695a814f8811599e1e7f01/bg2.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x4 h3 y5 ff1 fs0 fc0 sc0 ls0 ws0">SMU<span class="_ _2"> </span>CSE 5349<span class="_ _1"></span>/734<span class="_ _1"></span>9</div><div class="t m0 x2 h4 y6 ff2 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 x4 h6 y7 ff2 fs3 fc2 sc0 ls0 ws0"></div><div class="t m0 x5 h6 y8 ff2 fs3 fc2 sc0 ls0 ws0"><span class="_ _3"></span><span class="_ _3"></span><span class="_ _3"></span></div><div class="t m0 x5 h6 y9 ff2 fs3 fc2 sc0 ls0 ws0"><span class="_ _3"></span></div><div class="t m0 x6 h7 ya ff2 fs2 fc0 sc0 ls0 ws0"></div><div class="t m0 x7 h7 yb ff2 fs2 fc0 sc0 ls0 ws0"></div><div class="t m0 x6 h7 yc ff2 fs2 fc0 sc0 ls0 ws0"></div><div class="t m0 x7 h7 yd ff2 fs2 fc0 sc0 ls0 ws0"></div></div></div><div class="pi" data-data='{"ctm":[1.333333,0.000000,0.000000,1.333333,0.000000,0.000000]}'></div></div>
<div id="pf3" class="pf w0 h0" data-page-no="3"><div class="pc pc3 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/62695a814f8811599e1e7f01/bg3.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x4 h3 y5 ff1 fs0 fc0 sc0 ls0 ws0">SMU<span class="_ _2"> </span>CSE 5349<span class="_ _1"></span>/734<span class="_ _1"></span>9</div><div class="t m0 x8 h4 y6 ff2 fs1 fc1 sc0 ls0 ws0"></div><div class="t m0 x6 h8 ye ff2 fs4 fc0 sc0 ls0 ws0"></div><div class="t m0 x7 h8 yf ff2 fs4 fc0 sc0 ls0 ws0"></div><div class="t m0 x6 h8 y10 ff2 fs4 fc0 sc0 ls0 ws0"></div><div class="t m0 x7 h8 y11 ff2 fs4 fc0 sc0 ls0 ws0"></div><div class="t m0 x9 h9 y12 ff2 fs5 fc0 sc0 ls0 ws0"></div><div class="t m0 xa h9 y13 ff2 fs5 fc0 sc0 ls0 ws0"><span class="_ _1"></span><span class="_ _1"></span></div><div class="t m0 xa h9 y14 ff2 fs5 fc0 sc0 ls0 ws0"></div><div class="t m0 x6 h8 y15 ff2 fs4 fc0 sc0 ls0 ws0"></div><div class="t m0 x7 h8 y16 ff2 fs4 fc0 sc0 ls0 ws0"><span class="_ _1"></span></div><div class="t m0 x9 h9 y17 ff2 fs5 fc0 sc0 ls0 ws0"></div><div class="t m0 xa h9 y18 ff2 fs5 fc0 sc0 ls0 ws0"><span class="_ _1"></span></div><div class="t m0 x6 h8 y19 ff2 fs4 fc0 sc0 ls0 ws0"></div><div class="t m0 x7 h8 y1a ff2 fs4 fc0 sc0 ls0 ws0"> </div><div class="t m0 x9 h9 y1b ff2 fs5 fc0 sc0 ls0 ws0"></div><div class="t m0 xa h9 y1c ff2 fs5 fc0 sc0 ls0 ws0">!</div><div class="t m0 x6 h8 y1d ff2 fs4 fc0 sc0 ls0 ws0"></div><div class="t m0 x7 h8 y1e ff2 fs4 fc0 sc0 ls0 ws0"></div><div class="t m0 x9 h9 y1f ff2 fs5 fc0 sc0 ls0 ws0"></div><div class="t m0 xa h9 y20 ff2 fs5 fc0 sc0 ls0 ws0">!<span class="_ _1"></span></div></div></div><div class="pi" data-data='{"ctm":[1.333333,0.000000,0.000000,1.333333,0.000000,0.000000]}'></div></div>
<div id="pf4" class="pf w0 h0" data-page-no="4"><div class="pc pc4 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/62695a814f8811599e1e7f01/bg4.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x4 h3 y5 ff1 fs0 fc0 sc0 ls0 ws0">SMU<span class="_ _2"> </span>CSE 5349<span class="_ _1"></span>/734<span class="_ _1"></span>9</div><div class="t m0 xb h4 y6 ff2 fs1 fc1 sc0 ls0 ws0">"</div><div class="t m0 x4 h7 y21 ff2 fs2 fc2 sc0 ls0 ws0"></div><div class="t m0 x5 h7 y22 ff2 fs2 fc2 sc0 ls0 ws0"></div><div class="t m0 x6 h8 y23 ff2 fs4 fc0 sc0 ls0 ws0"></div><div class="t m0 x7 h8 y24 ff2 fs4 fc0 sc0 ls0 ws0">#<span class="_ _1"></span>$<span class="_ _1"></span></div><div class="t m0 x4 h7 y25 ff2 fs2 fc2 sc0 ls0 ws0"></div><div class="t m0 x5 h7 y26 ff2 fs2 fc2 sc0 ls0 ws0"><span class="_ _1"></span></div><div class="t m0 x6 h8 y27 ff2 fs4 fc0 sc0 ls0 ws0"></div><div class="t m0 x7 h8 y28 ff2 fs4 fc0 sc0 ls0 ws0">%&<span class="_ _1"></span>&<span class="_ _1"></span><span class="_ _1"></span>'<span class="_ _1"></span></div><div class="t m0 x7 h8 y29 ff2 fs4 fc0 sc0 ls0 ws0">#$<span class="_ _1"></span></div><div class="t m0 x4 h7 y2a ff2 fs2 fc2 sc0 ls0 ws0"></div><div class="t m0 x5 h7 y2b ff2 fs2 fc2 sc0 ls0 ws0">(</div><div class="t m0 x6 h8 y2c ff2 fs4 fc0 sc0 ls0 ws0"></div><div class="t m0 x7 h8 y2d ff2 fs4 fc0 sc0 ls0 ws0">%&<span class="_ _1"></span><span class="_ _1"></span>#$<span class="_ _1"></span></div></div></div><div class="pi" data-data='{"ctm":[1.333333,0.000000,0.000000,1.333333,0.000000,0.000000]}'></div></div>
<div id="pf5" class="pf w0 h0" data-page-no="5"><div class="pc pc5 w0 h0"><img class="bi x0 y0 w1 h1" alt="" src="https://static.pudn.com/prod/directory_preview_static/62695a814f8811599e1e7f01/bg5.jpg"><div class="c x0 y1 w2 h2"><div class="t m0 x4 h3 y5 ff1 fs0 fc0 sc0 ls0 ws0">SMU<span class="_ _2"> </span>CSE 5349<span class="_ _1"></span>/734<span class="_ _1"></span>9</div><div class="t m0 xc ha y2e ff2 fs6 fc1 sc0 ls0 ws0">)<span class="_ _1"></span></div><div class="t m0 xd hb y2f ff3 fs5 fc0 sc0 ls0 ws0">E</div><div class="t m0 xe hb y30 ff3 fs5 fc0 sc0 ls0 ws0">M<span class="_ _4"> </span>M</div><div class="t m0 xf hb y2f ff3 fs5 fc0 sc0 ls0 ws0">D</div><div class="t m0 xd h3 y31 ff3 fs0 fc0 sc0 ls0 ws0">K</div><div class="t m0 x10 h3 y32 ff3 fs0 fc0 sc0 ls0 ws0">K</div><div class="t m0 x11 h3 y33 ff3 fs0 fc0 sc0 ls0 ws0">E</div><div class="t m0 x12 hc y34 ff3 fs7 fc0 sc0 ls0 ws0">K</div><div class="t m0 x13 h3 y33 ff3 fs0 fc0 sc0 ls0 ws0">(M)</div><div class="t m0 xd hb y35 ff3 fs5 fc0 sc0 ls0 ws0">E<span class="_ _5"></span>M<span class="_ _4"> </span>M<span class="_ _6"></span>D</div><div class="t m0 x14 h3 y36 ff3 fs0 fc0 sc0 ls0 ws0">KU</div><div class="t m0 x15 h3 y37 ff3 fs0 fc0 sc0 ls0 ws0">KR</div><div class="t m0 x16 h3 y2d ff3 fs0 fc0 sc0 ls0 ws0">E</div><div class="t m0 x17 hc y38 ff3 fs7 fc0 sc0 ls0 ws0">KU </div><div class="t m0 x18 h3 y2d ff3 fs0 fc0 sc0 ls0 ws0">(M)</div><div class="t m0 x19 h3 y39 ff3 fs0 fc0 sc0 ls0 ws0">b</div><div class="t m0 x1a h3 y3a ff3 fs0 fc0 sc0 ls0 ws0">b</div><div class="t m0 x1b hd y3b ff3 fs8 fc0 sc0 ls0 ws0">b</div><div class="t m0 x7 he y3c ff3 fs9 fc0 sc0 ls0 ws0">(a) Conventional encr<span class="_ _3"></span>yption : confident<span class="_ _3"></span>iality and authenticat<span class="_ _3"></span>ion</div><div class="t m0 x1c he y3d ff3 fs9 fc0 sc0 ls0 ws0">(b) Publ<span class="_ _3"></span>ic-key encrypti<span class="_ _3"></span>on : confident<span class="_ _3"></span>iality</div></div></div><div class="pi" data-data='{"ctm":[1.333333,0.000000,0.000000,1.333333,0.000000,0.000000]}'></div></div>
