| (window.webpackJsonp=window.webpackJsonp||[]).push([[413],{978:function(s,e,t){"use strict";t.r(e);var a=t(69),n=Object(a.a)({},(function(){var s=this,e=s.$createElement,t=s._self._c||e;return t("ContentSlotsDistributor",{attrs:{"slot-key":s.$parent.slotKey}},[t("h1",{attrs:{id:"水印工具"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#水印工具"}},[s._v("#")]),s._v(" 水印工具")]),s._v(" "),t("p",[t("strong",[s._v("目录")])]),s._v(" "),t("ol",[t("li",[t("p",[s._v("水印嵌入")]),s._v(" "),t("p",[s._v("1.1 配置")]),s._v(" "),t("p",[s._v("1.2 使用示例")])]),s._v(" "),t("li",[t("p",[s._v("水印检测")])])]),s._v(" "),t("p",[s._v("这个工具提供了 1）IoTDB查询结果水印嵌入功能，2）可疑数据的水印检测功能。")]),s._v(" "),t("h2",{attrs:{id:"_1-水印嵌入"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#_1-水印嵌入"}},[s._v("#")]),s._v(" 1. 水印嵌入")]),s._v(" "),t("h3",{attrs:{id:"_1-1-配置"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#_1-1-配置"}},[s._v("#")]),s._v(" 1.1 配置")]),s._v(" 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root\n+-----------------------------------+------------------+\n| Time|root.vehicle.d0.s0|\n+-----------------------------------+------------------+\n| 1970-01-01T08:00:00.001+08:00| 21.5|\n| 1970-01-01T08:00:00.002+08:00| 22.5|\n| 1970-01-01T08:00:00.003+08:00| 23.5|\n| 1970-01-01T08:00:00.004+08:00| 24.5|\n| 1970-01-01T08:00:00.005+08:00| 25.5|\n| 1970-01-01T08:00:00.006+08:00| 26.5|\n| 1970-01-01T08:00:00.007+08:00| 27.5|\n| 1970-01-01T08:00:00.008+08:00| 28.5|\n| 1970-01-01T08:00:00.009+08:00| 29.5|\n| 1970-01-01T08:00:00.010+08:00| 30.5|\n| 1970-01-01T08:00:00.011+08:00| 31.5|\n| 1970-01-01T08:00:00.012+08:00| 32.5|\n| 1970-01-01T08:00:00.013+08:00| 33.5|\n| 1970-01-01T08:00:00.014+08:00| 34.5|\n| 1970-01-01T08:00:00.015+08:00| 35.5|\n| 1970-01-01T08:00:00.016+08:00| 36.5|\n| 1970-01-01T08:00:00.017+08:00| 37.5|\n| 1970-01-01T08:00:00.018+08:00| 38.5|\n| 1970-01-01T08:00:00.019+08:00| 39.5|\n| 1970-01-01T08:00:00.020+08:00| 40.5|\n| 1970-01-01T08:00:00.021+08:00| 41.5|\n| 1970-01-01T08:00:00.022+08:00| 42.5|\n| 1970-01-01T08:00:00.023+08:00| 43.5|\n| 1970-01-01T08:00:00.024+08:00| 44.5|\n| 1970-01-01T08:00:00.025+08:00| 45.5|\n| 1970-01-01T08:00:00.026+08:00| 46.5|\n| 1970-01-01T08:00:00.027+08:00| 47.5|\n| 1970-01-01T08:00:00.028+08:00| 48.5|\n| 1970-01-01T08:00:00.029+08:00| 49.5|\n| 1970-01-01T08:00:00.030+08:00| 50.5|\n| 1970-01-01T08:00:00.031+08:00| 51.5|\n| 1970-01-01T08:00:00.032+08:00| 52.5|\n| 1970-01-01T08:00:00.033+08:00| 53.5|\n+-----------------------------------+------------------+\n")])]),s._v(" 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1970-01-01T08:00:00.007+08:00| 27.5|\n| 1970-01-01T08:00:00.008+08:00| 28.500004|\n| 1970-01-01T08:00:00.009+08:00| 29.5|\n| 1970-01-01T08:00:00.010+08:00| 30.5|\n| 1970-01-01T08:00:00.011+08:00| 31.5|\n| 1970-01-01T08:00:00.012+08:00| 32.5|\n| 1970-01-01T08:00:00.013+08:00| 33.5|\n| 1970-01-01T08:00:00.014+08:00| 34.5|\n| 1970-01-01T08:00:00.015+08:00| 35.500004|\n| 1970-01-01T08:00:00.016+08:00| 36.5|\n| 1970-01-01T08:00:00.017+08:00| 37.5|\n| 1970-01-01T08:00:00.018+08:00| 38.5|\n| 1970-01-01T08:00:00.019+08:00| 39.5|\n| 1970-01-01T08:00:00.020+08:00| 40.5|\n| 1970-01-01T08:00:00.021+08:00| 41.5|\n| 1970-01-01T08:00:00.022+08:00| 42.500015|\n| 1970-01-01T08:00:00.023+08:00| 43.5|\n| 1970-01-01T08:00:00.024+08:00| 44.500008|\n| 1970-01-01T08:00:00.025+08:00| 45.50003|\n| 1970-01-01T08:00:00.026+08:00| 46.500008|\n| 1970-01-01T08:00:00.027+08:00| 47.500008|\n| 1970-01-01T08:00:00.028+08:00| 48.5|\n| 1970-01-01T08:00:00.029+08:00| 49.5|\n| 1970-01-01T08:00:00.030+08:00| 50.5|\n| 1970-01-01T08:00:00.031+08:00| 51.500008|\n| 1970-01-01T08:00:00.032+08:00| 52.5|\n| 1970-01-01T08:00:00.033+08:00| 53.5|\n+-----------------------------------+------------------+\n")])]),s._v(" 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第三步：撤销Alice的水印嵌入")]),s._v(" "),t("p",[s._v("sql用法："),t("code",[s._v("revoke watermark_embedding from Alice")])]),s._v(" "),t("p",[s._v("您可以使用"),t("code",[s._v("revoke watermark_embedding from user1,user2,...")]),s._v("来同时撤销多个用户的水印嵌入。")]),s._v(" "),t("p",[s._v("只有root用户有权限运行该指令。在root撤销Alice的水印嵌入之后，Alice的所有查询结果就又是数据库中的原始数据了。")]),s._v(" "),t("h2",{attrs:{id:"_2-水印检测"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#_2-水印检测"}},[s._v("#")]),s._v(" 2. 水印检测")]),s._v(" "),t("p",[t("code",[s._v("detect-watermark.sh")]),s._v(" 和 "),t("code",[s._v("detect-watermark.bat")]),s._v(" 是给不同平台提供的功能相同的工具脚本。")]),s._v(" "),t("p",[s._v("用法： ./detect-watermark.sh [filePath] [secretKey] [watermarkBitString] [embed_row_cycle] [embed_lsb_num] [alpha] [columnIndex] [dataType: int/float/double]")]),s._v(" "),t("p",[s._v("示例： ./detect-watermark.sh /home/data/dump1.csv IoTDB*2019@Beijing 100101110100 2 5 0.05 1 float")]),s._v(" "),t("table",[t("thead",[t("tr",[t("th",[s._v("Args")]),s._v(" 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取值范围[0,1]。水印检测基于显著性检验，"),t("code",[s._v("alpha")]),s._v("越小，没有嵌入水印的数据被检测成嵌入水印的可能性越低，从而检测出嵌入水印的结果的可信度越高。")])]),s._v(" "),t("li",[t("p",[t("code",[s._v("columnIndex")]),s._v(": 正整数")])])])])}),[],!1,null,null,null);e.default=n.exports}}]); |