专利详细信息

一种基于多级混沌系统的动态S盒构造方法

文献类型：专利

专利类型：发明专利

是否失效：否

是否授权：否

申请号：CN201410097344.9

申请日：20140317

发明人：彭军贾蓉雷亮金尚柱韩琦

申请人：重庆科技学院

申请人地址：401331 重庆市沙坪坝区大学城东路20号

公开日：20140611

公开号：CN103856320A

代理人：余锦曦

代理机构：重庆为信知识产权代理事务所(普通合伙)

语　　种：中文

摘　　要：本发明公开了一种基于多级混沌系统的动态S盒构造方法，属于信息加密领域。本发明将密钥映射为Chebyshev混沌映射系统和分段线性混沌映射系统的初始条件和演化参数，不同密钥映射为不同的系统参数，实现了实时生成不同S盒的动态特性。由于使用两级混沌系统，对两个混沌系统的输出进行异或操作以生成S盒元素，与使用单一混沌系统相比提高了抗破译难度。同时两级混沌系统的输出均相互交叉反馈给对方，实现混沌系统之间的动态交叉扰动，进一步增大了所生成S盒的扩散性和扰乱性，实现了严格雪崩效应，显著提高安全强度。本发明简洁高效，便于软硬件实现。

主权项：1.一种基于多级混沌系统的动态S盒构造方法，其特征在于包括以下步骤：步骤一、输入64位长度密钥K=K₁K₂...K₇K₈，进行初始化操作：计算参数t₁、t₂、t₃、t₄、t₅和t₆，令n＝1并置空S_out，所述S_out为S盒的输出；步骤二、计算Chebyshev混沌映射系统C₁的输出和分段线性混沌映射C₂的输出；所述计算Chebyshev混沌映射系统C₁的输出按以下步骤进行：Chebyshev混沌映射系统C₁从初始点y₀开始，迭代N₁+80次，在最后的80个状态点中，每间隔10个点取值1次，以0为阈值进行量化，得到8个比特值并组合为一个整数s_1,n，所述s_1,n为Chebyshev混沌映射系统C₁的输出；将系统的最后状态点作为下次迭代时的初始点y₀；设加密轮数为n，n为正整数；当n＝1时，系统C₁的初始点 $<math> <mrow> <msub> <mi>y</mi> <mn>0</mn> </msub> <mo>=</mo> <mrow> <mo>(</mo> <msubsup> <mi>K</mi> <mn>1</mn> <mrow> <mo><</mo> <mo><</mo> <msub> <mi>t</mi> <mn>1</mn> </msub> </mrow> </msubsup> <mo>&CirclePlus;</mo> <msubsup> <mi>K</mi> <mn>2</mn> <mrow> <mo><</mo> <mo><</mo> <msub> <mi>t</mi> <mn>2</mn> </msub> </mrow> </msubsup> <mo>+</mo> <msubsup> <mi>K</mi> <mn>3</mn> <mrow> <mo><</mo> <mo><</mo> <msub> <mi>t</mi> <mn>3</mn> </msub> </mrow> </msubsup> <mo>&CirclePlus;</mo> <msubsup> <mi>K</mi> <mn>4</mn> <mrow> <mo><</mo> </p><p class='subject'><strong>关键词：</strong><b class='type_ico_id'></b>混沌系统混沌映射系统 <b class='type_ico_id'></b>映射两级密钥初始条件 <b class='type_ico_id'></b>软硬件实现安全强度动态特性构造方法系统参数相互交叉 <b class='type_ico_id'></b>信息加密 <b class='type_ico_id'></b>雪崩效应演化参数扰动 <b class='type_ico_id'></b>异或分段简洁扩散反馈 </p><p class='class'><strong>IPC专利分类号：</strong>H04L9/06(20060101); H04L9/00(20060101)</p>
</div>

<div class="article_relate_list">
<div>
<h2 name="ckwx" id="ckwx">
参考文献：</h2>
<div id="listckwx">
<p class='submit'>
<img src='/images_new/loading.gif' width='16' height='16' />
正在载入数据...</p>
</div>
</div>
<div>
<h2 name="2jckwx" id="2jckwx">
二级参考文献：</h2>
<div id="list2jckwx">
<p class='submit'>
<img src='/images_new/loading.gif' width='16' height='16' />
正在载入数据...</p>
</div>
</div>
<div>
<h2 name="ohwx" id="ohwx">
耦合文献：</h2>
<div id="listohwx">
<p class='submit'>
<img src='/images_new/loading.gif' width='16' height='16' />
正在载入数据...</p>
</div>
</div>
<div>
<h2 name="yzwx" id="yzwx">
引证文献：</h2>
<div id="listyzwx">
<p class='submit'>
<img src='/images_new/loading.gif' width='16' height='16' />
正在载入数据...</p>
</div>
</div>
<div>
<h2 name="2jyzwx" id="2jyzwx">
二级引证文献：</h2>
<div id="list2jyzwx">
<p class='submit'>
<img src='/images_new/loading.gif' width='16' height='16' />
正在载入数据...</p>
</div>
</div>
<div>
<h2 name="tbywx" id="tbywx">
同被引文献：</h2>
<div id="listtbywx">
<p class='submit'>
<img src='/images_new/loading.gif' width='16' height='16' />
正在载入数据...</p>
</div>
</div>

</div>
</div>
<div class="r">

</div>
<div class="clear">
</div>
</div>
</div>
<div class="vlink_layer" style="display: none">
<div class="vlink">
<img src="/template/t1/images/loading2.gif" width="64" height="64">
<span style="font-size:22px;vertical-align:middle;margin-left:20px;">正在为您导引到下载地址...</span>
</div>
<div id="vlink" style="display: none"></div>
</div>

<script type="text/javascript" src="/Template/t5/js/article_relative.min.js"></script>
<script type="text/javascript" src="/js/articlevlink.min.js"></script>

<div class="foot">
<div class="inner">
<p style="text-align: center;">
版权所有©重庆科技学院
<script type="text/javascript">
document.write("2001-" + new Date().getFullYear());
</script>
重庆维普资讯有限公司 <a target="_blank" href="https://beian.miit.gov.cn/#/Integrated/recordQuery">渝B2-20050021-7</a><br />
　<a target="_blank" href="http://www.beian.gov.cn/portal/registerSystemInfo?recordcode=50019002500408"><img style="position:relative; top:5px; margin-right:3px;" src="/images_new/ghs.png" /><span style="color:inherit;">渝公网安备 50019002500408号</span></a>　违法和不良信息举报中心
<p>
</div>
</div>
<a id="backtop" style="display: none" href="javascript:void(0)" title="返回顶部"></a>
<script type="text/javascript">

$(function () {

$('#backtop').hover(function () {
$(this).css({ opacity: 1 });
},
function () {
$(this).css({ opacity: 0.8 });
});

$('#backtop').click(function () {
$('html,body').animate({ scrollTop: 0 }, 100);
});

$(window).scroll(function () {
var scroH = document.documentElement.scrollTop + document.body.scrollTop;
if (scroH > $('.head').height()) {
$('#backtop').show();
} else {
$('#backtop').hide();
}
});
});

/**google代码*/
$(function () {
// (function (i, s, o, g, r, a, m) {
// i['GoogleAnalyticsObject'] = r; i[r] = i[r] || function () {
// (i[r].q = i[r].q || []).push(arguments);
// }, i[r].l = 1 * new Date(); a = s.createElement(o),
//m = s.getElementsByTagName(o)[0]; a.async = 1; a.src = g;
// m.parentNode.insertBefore(a, m);
// })(window, document, 'script', '//www.google-analytics.com/analytics.js', 'ga');
// ga('create', 'UA-2219013-35', 'cqvip.com');
// ga('send', 'pageview');
});

</script>


<script type="text/javascript">
$(function () {
var urlPath = location.href;
var request = g_getUrlParms();

//当检索条件不为空时，为检索框赋值
if (!request.q) {
$("#artcleSearchCondtion").val("");
} else {
var json1 = JSON.parse(request["q"]);
if (!request.invokemethod&&json1.ajaxKeys && urlPath && urlPath.indexOf("articles.aspx")!=-1) {
$("#artcleSearchCondtion").val(decodeURI(json1.ajaxKeys).replace(/\+/g, " "));
$("#dropSearchFieldName").find("option[showField='"+json1.customShowCondition.split('=')[0]+"']").prop("selected","selected");
} else {
$("#artcleSearchCondtion").val("");
}
}

$("#dropSearchFieldName").easySelectBox();

$("#artcleSearchCondtion").keydown(function (event) {
var e = $.event.fix(event);
if (e.keyCode == 13) {
$("#artcleSearchBtn").click();
return false;
}
});

$("#artcleSearchBtn").click(function () {
var fieldValue = $("#artcleSearchCondtion").val();
if (!fieldValue) {
alert("检索内容不能为空！");
} else {
var condition = {};
var fieldName= $("#dropSearchFieldName").val();
var tempField = fieldName.split("@");
var tempFieldName = tempField[0].split("|");

if (tempFieldName[0] == "multiple") //期刊题名或关键词检索条件拼接
{
condition.customRules = "(" + getSearchRules("title_c", fieldValue) + " OR " + getSearchRules("title_e", fieldValue) + " OR " + getSearchRules("keyword_e", fieldValue) + " OR " + getSearchRules("keyword_c", fieldValue) + " OR " + getSearchRules("subject_text", fieldValue) + ")";
}
else {
if (tempFieldName.length == 1) { //当检索规则只含有一个字段
condition.customRules = getSearchRules(tempFieldName, fieldValue);
} else {
var flag = true;
var customStr = "(";
for (var i = 0; i < tempFieldName.length; i++) { //按检索规则字段个数，循环拼接检索条件，此处各字段间为OR关系
if (flag) {
customStr += getSearchRules(tempFieldName[i], fieldValue);
} else {
customStr += " OR " + getSearchRules(tempFieldName[i], fieldValue);
}
flag = false;
}
customStr += ")";
condition.customRules = customStr;
}
}
condition.customShowCondition = tempField[1] + "=" + fieldValue;
condition.ajaxKeys = fieldValue;

location.href = "/3233/articles.aspx?q=" + encodeURIComponent(JSON.stringify(condition));
if (window.event)
window.event.returnValue = false; //ie6fix
}
});
});
/**返回格式化的搜索规则*/
function getSearchRules(fieldName, fieldValue) {
var returnValue = "";
if (fieldName == "worknumber") {
$.ajax({
type: "get",
url: "/ajax/WriterIdByWorkNumber.ashx",
data: { "organid": "" + $('#hidGlobalOrganID').val() + "", "number": "" + fieldValue + "", "_t": new Date },
dataType: 'text',
async: false,
success: function (msg) {
if (!msg) {
msg = "0";
}
returnValue = "({0}:\"{1}\")".format("writerids_s", msg);
}
});
} else {
returnValue = fieldName == "ALL" ? "({0}:\"{1}\")".format(fieldName, fieldValue.toLowerCase()) : "({0}:\"{1}\")".format(fieldName, fieldValue.toLowerCase());
}
return returnValue;
}
</script>

<div class="layer_bg" style="display: none" id="serLayerBg">
</div>
<div class="advance_layer" style="display: none; top: 150px;" id="serAdvanceLayer">
<form>
<div class="advance">
<h6>
<tt class="close" onclick=" g_HideAdvanceSearch(); ">
<img alt="x" src="/Template/t5/images/advance-close.gif"></tt>
</h6>
<div class="cnt" id="cnt1">
<div class="sinput_top">
<div class="sel">
<input type="hidden" id="hfldFieldNameArticles0" name="hfldFieldNameArticles" />
<select name="dropAdvanceSearchFieldName" style="display: none">
</select>
</div>
<div class="input">
<input type="text" name="txtSearchArticles" id="txtSearchArticles0" maxlength="50"/>
</div>
</div>
<div class="sinput">
<div class="s">
<input type="hidden" value=" AND | 与 " name="hfldRelationArticles" id="hfldRelationArticles1" />
<select name="dropAdvanceSearchLogic">
<option value=" AND | 与 ">与</option>
<option value=" OR | 或 ">或</option>
<option value="AND NOT | 非 ">非</option>
</select>
</div>
<div class="sel">
<input type="hidden" id="hfldFieldNameArticles1" name="hfldFieldNameArticles" />
<select name="dropAdvanceSearchFieldName" style="display: none">
</select>
</div>
<div class="input">
<input type="text" name="txtSearchArticles" id="txtSearchArticles1" maxlength="50"/>
</div>
</div>
<div class="sinput" style="display: none">
<div class="s">
<input type="hidden" value=" AND | 与 " name="hfldRelationArticles" id="hfldRelationArticles2" />
<select name="dropAdvanceSearchLogic">
<option value=" AND | 与 ">与</option>
<option value=" OR | 或 ">或</option>
<option value="AND NOT | 非 ">非</option>
</select>
</div>
<div class="sel">
<input type="hidden" id="hfldFieldNameArticles2" name="hfldFieldNameArticles" />
<select name="dropAdvanceSearchFieldName" style="display: none">
</select>
</div>
<div class="input">
<input type="text" name="txtSearchArticles" id="txtSearchArticles2" maxlength="50"/>
</div>
</div>
<div class="sinput" style="display: none">
<div class="s">
<input type="hidden" value=" AND | 与 " name="hfldRelationArticles" id="hfldRelationArticles3" />
<select name="dropAdvanceSearchLogic">
<option value=" AND | 与 ">与</option>
<option value=" OR | 或 ">或</option>
<option value="AND NOT | 非 ">非</option>
</select>
</div>
<div class="sel">
<input type="hidden" id="hfldFieldNameArticles3" name="hfldFieldNameArticles" />
<select name="dropAdvanceSearchFieldName" style="display: none">
</select>
</div>
<div class="input">
<input type="text" name="txtSearchArticles" id="txtSearchArticles3" maxlength="50"/>
</div>
</div>
<div class="sel_op">
<input type="button" class="add" /><input type="button" class="cut" />
</div>
<div class="filter">
<strong>时间：</strong>
<div class="t">
<input type="hidden" value="1989" id="hfldAdvanceStartYear" name="hfldAdvanceStartYear" />
<select name="dropAdvanceSearchYears" id="dropAdvanceSearchStartYears">
</select>
</div>
<span>-</span><div class="t">
<input type="hidden" value="2013" id="hfldAdvanceEndYear" name="hfldAdvanceEndYear" />
<select name="dropAdvanceSearchYears" id="dropAdvanceSearchEndYears">
</select>
</div>
</div>
<div class="filter">
</div>
<div class="submit">
<input type="button" onclick="g_AdvanceSearch(1);" value="确定" class="btn-green">
<input type="button" onclick="g_HideAdvanceSearch();" value="关闭" class="btn-gray">
</div>

</div>
</div>
</form>
</div>
<script type="text/javascript" src="/Template/t5/js/advancesearch.min.js"></script>

<script type="text/javascript">
$(function () {
var encodestr = $("#hifBaseLog").val().trim();
var BaseGch = "";
var BaseArticleId = "";
var BaseClass = "";
var BaseObjectType = 0;
var BaseObjectValue = "";

if (encodestr != "") {
var parames = encodestr.split(';');
BaseGch = parames[0];
BaseArticleId = parames[1];
BaseClass = parames[2];
BaseObjectType = parames[3];
BaseObjectValue = parames[4];
}

var obj = {};
obj.remark = "机构库站点访问记录-重庆科技学院";
obj.user_id = 0;
obj.user_ip_address = "18.118.196.177";
obj.user_group_id = 0;
obj.user_organ_id = 3233;
obj.site_id = 13;
if (BaseGch) {
obj.gch = BaseGch;
}
if (BaseArticleId) {
obj.article_id = BaseArticleId;
}
if (BaseClass) {
obj.full_class_ids = BaseClass;
}
if (BaseObjectType) {
obj.object_id = BaseObjectType;
}
if (BaseObjectValue) {
obj.object_value = BaseObjectValue;
}

loadScript("http://log.cqvip.com/VipCloud/Service/Log/js/analysis.js", function() { vipLog("view", obj,"LIBBEHAVIORANALYSIS"); });
});
</script>
</body>
</html>$

重庆科技学院机构知识库

专利详细信息

一种基于多级混沌系统的动态S盒构造方法

我的收藏