上一步 保存. 博客 资源 收藏 关注. 只看原创 排序： 按最后发布时间 按访问量 RSS订阅. 原创 Python量化交易实战教程汇总 B站配套视频教程观看设计适合自己并能适应市场的交易策略，才是量化交易的灵魂课程亲手带你设计并实现两种交易策略，快速培养你的策略思维能力择时策略：通过这个策略学会如何利用均线，创建择时策略，优化股票买入卖出的时间点。选股策略：掌握选股策略的核心逻辑，并基于收益率创建动量选股策略，并验证其有效性。手把手带你打造一个易扩展、更安全、效率更高的量化交易系统第三方平台大而全，不易扩展，效率还差，信息安全也是大问题，打造自己的交易平台才是更优解所有文章目录Python量化交易实战双均线策略股 原创 Js逆向教程AST Babel插件最简单修改值示例 最后的最后由本人水平所限，难免有错误以及不足之处， 屏幕前的靓仔靓女们 如有发现，恳请指出！你轻轻地点了个赞，那将在我的心里世界增添一颗明亮而耀眼的星！ 原创 Js逆向教程vscode无环境联调 最后的最后由本人水平所限，难免有错误以及不足之处， 屏幕前的靓仔靓女们 如有发现，恳请指出！你轻轻地点了个赞，那将在我的心里世界增添一颗明亮而耀眼的星！ 原创 Js逆向教程Hook基础 Hook就是在这些流程任意环节插入自己的代码，让浏览器先执行自己的代码 然后再执行原本网站的hook在以下流程中可以做的事情：hook在以下流程中可以做的事情上下文:表示一个环境（js上下文就是v8引擎，浏览器是不同的页签就是不同的上下文，js中的eval还是在一个上下文。只是虚拟机、）作用域:控制变量所生效的位置。作用域是更小的一个级别 处于上下文中结果如下：解释器是如何处理这段代码：首先解释器知道var xuhss在内存中声明了一个全局变量数组保存了xuhss，以后用的话，就到这个数组中找。如果数 php请求 原创 Js逆向教程websocket介绍 Ws和Wss的区别相当于http和https的区别，如果你想写一个聊天页面，需要频繁请求后台接口 还需要设置间隔时间（每隔1s发送一个请求） 才能拿到后台服务器的数据，因为http是轮询方式，只有请求完成后，才能拿到结果，只有客户端能发请求，所以说 要轮询。缺点就是占用服务器的性能？更好的方案就是websocket，它是浏览器实现的。浏览器在底层升级http协议，从http协议升级到websocket只需要添加几个头部信息就可以完成升级。 1.

原创 Js逆向教程极验滑块 实现加密算法的逻辑 还是和上节课一样，针对这个网址。 原创 Js逆向教程极验滑块 找到w加密位置 最后的最后由本人水平所限，难免有错误以及不足之处， 屏幕前的靓仔靓女们 如有发现，恳请指出！你轻轻地点了个赞，那将在我的心里世界增添一颗明亮而耀眼的星！ 原创 Js逆向教程滑块流程 极验 HTML5 的 canvas 元素使用 JavaScript 在网页上绘制图像。画布是一个矩形区域，您可以控制其每一像素。就是位图操作，可以理解为一个画图工具。可以任意对每个像素点进行任意操作之前讲解有一种断点类型叫做 事件监听断点，里面可以对canvas进行监听CanvasCreate canvas context 创建事件都选创建事件断点后，再刷页面断在这个地方：这里的代码用了流程平坦化打乱了最后的最后。 原创 Js逆向教程反调试 将你的预期值和实际值进行比较，如果不一样，就是这种debugger 只能通过浏览器调用的堆栈区分出正确的逻辑。通过将editbreakpoint设置为false 可以禁用这个调试。通过hook方式，将运行的函数设为空就可以跳过debugger了。最好的方式就是不要被识别出来调试，可以通过下hook解决。非虚拟机的方式不会跳转 到一个vm的页面。在eval里面运行debugger.

原创 Js逆向教程FuckJs 我们的目的为了让js代码运行起来。可以不需要解密，将代码扣出来运行就可以。任何一个js类型的变量结果 加上一个字符串 ，只会变成字符串。所以这个调试起来很麻烦 只能单步调试 还是用解密工具解密。通过这种特性 可以组合成各种各样的加密方式。这个的原理就是将各种字符串加起来。2个值通过 运算会变成0或者1. jsfuck有对应的解密工具及。我们这里只是讲解js的混淆机制。可以看到只有这3种字符。 原创 Js逆向教程常见混淆AA和JJ js默认 支持Unicode的。所以支持所有的国家语种。有没有哪些国家的和O很像但不是O,和0很像但不是0,和p很像但不是p所以可以用这个相近的符号进行代码混淆。 原创 Js逆向教程常见代码混淆 最后的最后由本人水平所限，难免有错误以及不足之处， 屏幕前的靓仔靓女们 如有发现，恳请指出！你轻轻地点了个赞，那将在我的心里世界增添一颗明亮而耀眼的星！ 原创 Js逆向教程常见的加密方式 最后的最后由本人水平所限，难免有错误以及不足之处， 屏幕前的靓仔靓女们 如有发现，恳请指出！你轻轻地点了个赞，那将在我的心里世界增添一颗明亮而耀眼的星！ 原创 Js逆向教程跟值技巧 一般不会出现在jquery成熟的第3仓库里面。jquery是封装好的成熟的第3仓库，一般不会去修改它。因为如果jquery版本提升了，还要去改jquery。 原创 Js逆向教程方法栈 最后的最后由本人水平所限，难免有错误以及不足之处， 屏幕前的靓仔靓女们 如有发现，恳请指出！你轻轻地点了个赞，那将在我的心里世界增添一颗明亮而耀眼的星！ 原创 Js逆向教程js逆向断点的种类及介绍 能修改输出js运行当中的一些变量的值能下断点批量监听一些变量值当渲染时，样式发生改变，会触发DOM断点它一般在 用户触发了某个事件 时，段下来。执行的比较考前，距离加密函数比较远。所以无法根据栈去快速定位。它的优点时定位的比较准。清空Dom断点最后的最后由本人水平所限，难免有错误以及不足之处， 屏幕前的靓仔靓女们 如有发现，恳请指出！你轻轻地点了个赞，那将在我的心里世界增添一颗明亮而耀眼的星！ 原创 Js逆向教程明确js逆向的目标 通过本地运行js代码那 实现脱离浏览器后 能够实现和浏览器上运行加密js的效果。网站上完全都是JavaScript实现的加密，我们的目的要知道加密的整个过程，并且实现这个加密的过程，拿到和浏览器一样的加密的结果。得到加密的结果之后就可以跳过浏览器，本地直接给服务器发送加密数据，从而直接获取服务器响应的结果。 原创 Js逆向教程浏览器调试工具-Application页面 本地网站应用缓存页面。 原创 Js逆向教程浏览器调试工具-Source面板 切换到source面板，对于source面板，需要打开搜索面板才能发挥出完整的功能。 原创 Js逆向教程浏览器调试工具-Network面板 最后的最后由本人水平所限，难免有错误以及不足之处， 屏幕前的靓仔靓女们 如有发现，恳请指出！你轻轻地点了个赞，那将在我的心里世界增添一颗明亮而耀眼的星！ 原创 Js逆向教程浏览器调试工具-可视化的Elements 页面中有很多事件，比如说鼠标按下，滚动条滑动。最后的最后由本人水平所限，难免有错误以及不足之处， 屏幕前的靓仔靓女们 如有发现，恳请指出！你轻轻地点了个赞，那将在我的心里世界增添一颗明亮而耀眼的星！ 原创 python一招自动搞定Chromedriver爬虫驱动的更新 日常的web自动化过程中，我们常常用python selenium库来操纵Chrome浏览器实现网页的自动化。这其中有个比较头疼的问题：Chrome的更新频率非常频繁，与之对应的Chromedriver版本也必须相应更新。如果两者版本的主版本号相差超过1，selenium则会报异常.

那有没有好的办法解决这个问题呢？方法当然有，首先我们需要知道哪里可以下载到不同版本的文件。这里推荐两个网站，国内首选淘宝的镜像仓库：数据更新会比谷歌官方稍慢；可供下载的版本有时不全； 原创 如何安装MockingBird-AI拟声: 5秒内克隆您的声音并生成任意语音内容 作者：虚坏叔叔早餐店不会开到晚上，想吃的人早就来了！😄。 原创 Quasar — 免费开源的Windows远程管理工具 适用于Windows的免费开源远程控制管理工具Quasar是一种用C＃编码的快速轻量级远程管理工具。可用于管理工作到员工监控等。Quasar提供高稳定性和易用的用户界面，是您理想的远程控制管理解决方案。 原创 AutoJs4. 原创 将你的 Python 脚本转换为命令行程序 哈喽，大家好，今天给大家介绍一下，如何通过Python自动整理文件。 原创 如何通过Python自动整理文件？ 哈喽，大家好，今天给大家介绍一下，如何通过Python自动整理文件。 原创 如何用python自动化微信小程序 本文介绍了整个微信小程序的自动化过程。我已经将全部源码上传到后台上，关注文章底部公众号后回复「kja」即可获得。你的肯定是我最大的鼓励和支持。 2.

原创 如何在实体手机上，保证手机能够正常运行uiautomator2，并安装ATX-agent 如何在实体手机上，保证手机能够正常运行uiautomator2，并安装ATX-agent。以小米手机为例子，首先打开 设置-更多设置-开启开发者模式。如果初始化完成后，发现手机并没有安装ATXagent应用。说明设备未认证（unauthorized），此时，当你看到这个，就说明手机安装成功了环境。需要记得，将 USB安装 勾选上。 原创 address localhost is already in use（端口被占用）Windows系统问题解决 在学习编程的过程中，我们或许会遇到端口被占用的情况，因而导致程序启动不了。这种情况只需要找到占用端口的进程，然后在中关闭改进程即可解决问题。后面补加的图。 原创 mitmproxy的介绍以及配置过程中的问题 提示：以下是本篇文章正文内容，下面案例可供参考。 FinalShell 中文安装包 FinalShell 一款可以替代XShell 的ssh 客户端软件，不仅是 ssh 客户端软件，还是功能强大的开发及运维的工具。可以满足我们的工作需求 主要特性:.

net版本问题: 检查是否安装. reres chrome插件v1. app自动化课程的简介和介绍 app自动化课程的简介和介绍. windows 生成RSA公钥和私钥openssl. exe工具 1、打开 openssl. 多线程解决mfc对话框未响应、卡死问题 多线程解决mfc对话框未响应、卡死问题. 爆款少儿青少年scratch编程第4课：狮子钻火圈 可以直接运行。A53课程制作 爆款爆款少儿青少年scratch编程是包括教程制作完整课程，里面包括教学步骤，教学视频，教学素材，教学课件pdf，教学课件word，课程源码。课程内容大致如下所示：资源:. It was apparently these kinds of agreements that Xbox's Phil Spencer had in mind opens in new tab when he spoke to Sony bosses in January and confirmed Microsoft's "intent to honor all existing agreements upon acquisition of Activision Blizzard".

Unfortunately, the footnote ends there, so there's not much in the way of detail about what these restrictions are or how long they'd remain in effect in a potential post-acquisition world. Given COD's continued non-appearance on Game Pass, you've got to imagine the restrictions are fairly significant if they're not an outright block on COD coming to the service. Either way, the simple fact that Microsoft is apparently willing to maintain any restrictions on its own ability to put first-party games on Game Pass is rather remarkable, given that making Game Pass more appealing is one of the reasons for its acquisition spree.

The irony of Sony making deals like this one while fretting about COD's future on PlayStation probably isn't lost on Microsoft's lawyers, which is no doubt part of why they brought it up to the CMA. While it's absolutely reasonable to worry about a world in which more and more properties are concentrated in the hands of singular, giant megacorps, it does look a bit odd if you're complaining about losing access to games while stopping them from joining competing services.

We'll find out if the CMA agrees when it completes its in-depth, "Phase 2" investigation opens in new tab into the Activision Blizzard acquisition, which is some way off yet. For now, we'll have to content ourselves with poring over these kinds of corporate submissions for more interesting tidbits like this one.

So far, we've already learned that Microsoft privately has a gloomy forecast for the future of cloud gaming opens in new tab , and that the company thinks Sony shouldn't worry so much since, hey, future COD games might be as underwhelming as Vanguard opens in new tab. Who knows what we'll learn next? Sign up to get the best content of the week, and great gaming deals, as picked by the editors.

One of Josh's first memories is of playing Quake 2 on the family computer when he was much too young to be doing that, and he's been irreparably game-brained ever since. His writing has been featured in Vice, Fanbyte, and the Financial Times. He'll play pretty much anything, and has written far too much on everything from visual novels to Assassin's Creed. His most profound loves are for CRPGs, immersive sims, and any game whose ambition outstrips its budget.

See Commands and Options for a description of these commands with their options. The keytool command is a key and certificate management utility. The keytool command also enables users to cache the public keys in the form of certificates of their communicating peers.

A certificate is a digitally signed statement from one entity person, company, and so on , which says that the public key and some other information of some other entity has a particular value. When data is digitally signed, the signature can be verified to check the data integrity and authenticity. Integrity means that the data hasn't been modified or tampered with, and authenticity means that the data comes from the individual who claims to have created and signed it. The keytool command also enables users to administer secret keys and passphrases used in symmetric encryption and decryption Data Encryption Standard.

It can also display other security-related information. The keytool command uses the jdk. disabledAlgorithms and jdk. legacyAlgorithms security properties to determine which algorithms are considered a security risk. It emits warnings when disabled or legacy algorithms are being used.

The jdk. legacyAlgorithms security properties are defined in the java. The following notes apply to the descriptions in Commands and Options :.

There are two kinds of options, one is single-valued which should be only provided once. If a single-valued option is provided multiple times, the value of the last one is used. The other type is multi-valued, which can be provided multiple times and all values are used. The only multi-valued option currently supported is the -ext option used to generate X. Braces surrounding an option signify that a default value is used when the option isn't specified on the command line. Braces are also used around the -v , -rfc , and -J options, which have meaning only when they appear on the command line.

They don't have any default values. Brackets surrounding an option signify that the user is prompted for the values when the option isn't specified on the command line. Items in italics option values represent the actual values that must be supplied. For example, here is the format of the -printcert command:. Commands for Creating or Adding Data to the Keystore :. Commands for Importing Contents from Another Keystore :. Commands for Generating a Certificate Request :. Commands for Displaying Security-related Information :.

The value of the security provider is the name of a security provider that is defined in a module. For compatibility reasons, the SunPKCS11 provider can still be loaded with -providerclass sun. SunPKCS11 even if it is now defined in a module. This is the only module included in the JDK that needs a configuration, and therefore the most widely used with the -providerclass option.

For legacy security providers located on classpath and loaded by reflection, -providerclass should still be used. Use the -gencert command to generate a certificate as a response to a certificate request file which can be created by the keytool -certreq command.

The command reads the request either from infile or, if omitted, from the standard input, signs it by using the alias's private key, and outputs the X. When -rfc is specified, the output format is Baseencoded PEM; otherwise, a binary DER is created. The -sigalg value specifies the algorithm that should be used to sign the certificate. The startdate argument is the start time and date that the certificate is valid. The days argument tells the number of days for which the certificate should be considered valid.

When dname is provided, it is used as the subject of the generated certificate. Otherwise, the one from the certificate request is used. The -ext value shows what X. Read Common Command Options for the grammar of -ext. The -gencert option enables you to create certificate chains. The following example creates a certificate, e1 , that contains three certificates in its certificate chain. The following commands creates four key pairs named ca , ca1 , ca2 , and e1 :.

The following two commands create a chain of signed certificates; ca signs ca1 and ca1 signs ca2 , all of which are self-issued:. The following command creates the certificate e1 and stores it in the e1. cert file, which is signed by ca2. As a result, e1 should contain ca , ca1 , and ca2 in its certificate chain:. Use the -genkeypair command to generate a key pair a public key and associated private key.

When the -signer option is not specified, the public key is wrapped in an X. When the -signer option is specified, a new certificate is generated and signed by the designated signer and stored as a multiple-element certificate chain containing the generated certificate itself, and the signer??? s certificate chain. The certificate chain and private key are stored in a new keystore entry that is identified by its alias.

The -keyalg value specifies the algorithm to be used to generate the key pair, and the -keysize value specifies the size of each key to be generated. This algorithm must be compatible with the -keyalg value. The -groupname value specifies the named group for example, the standard or predefined name of an Elliptic Curve of the key to be generated. Only one of -groupname and -keysize can be specified.

The -signer value specifies the alias of a PrivateKeyEntry for the signer that already exists in the keystore. This option is used to sign the certificate with the signer??? s private key. This is especially useful for key agreement algorithms i. the -keyalg value is XDH , X , X , or DH as these keys cannot be used for digital signatures, and therefore a self-signed certificate cannot be created. The -signerkeypass value specifies the password of the signer???

It can be specified if the private key of the signer entry is protected by a password different from the store password. The -dname value specifies the X. If the -signer option is not specified, the issuer and subject fields of the self-signed certificate are populated with the specified distinguished name. If the -signer option is specified, the subject field of the certificate is populated with the specified distinguished name and the issuer field is populated with the subject field of the signer's certificate.

If a distinguished name is not provided at the command line, then the user is prompted for one. The value of -keypass is a password used to protect the private key of the generated key pair. If a password is not provided, then the user is prompted for it. If you press the Return key at the prompt, then the key password is set to the same password as the keystore password.

The -keypass value must have at least six characters. The value of -startdate specifies the issue time of the certificate, also known as the "Not Before" value of the X. With the first form, the issue time is shifted by the specified value from the current time.

The value is a concatenation of a sequence of subvalues. The time to be shifted is nnn units of years, months, days, hours, minutes, or seconds denoted by a single character of y , m , d , H , M , or S respectively. The exact value of the issue time is calculated by using the java. add int field, int amount method on each subvalue, from left to right. For example, the issue time can be specified by:.

The user can provide only one part, which means the other part is the same as the current date or time. The user must provide the exact number of digits shown in the format definition padding with 0 when shorter. When both date and time are provided, there is one and only one space character between the two parts. The hour should always be provided in hour format. When the option isn't provided, the start date is the current time.

The option can only be provided one time. The value of date specifies the number of days starting at the date specified by -startdate , or the current date when -startdate isn't specified for which the certificate should be considered valid.

Use the -genseckey command to generate a secret key and store it in a new KeyStore. SecretKeyEntry identified by alias. The value of -keyalg specifies the algorithm to be used to generate the secret key, and the value of -keysize specifies the size of the key that is generated.

The -keypass value is a password that protects the secret key. If you press the Return key at the prompt, then the key password is set to the same password that is used for the -keystore. The -keypass value must contain at least six characters. Use the -importcert command to read the certificate or certificate chain where the latter is supplied in a PKCS 7 formatted reply or in a sequence of X.

If -file file is not specified, then the certificate or certificate chain is read from stdin. The keytool command can import X. The data to be imported must be provided either in binary encoding format or in printable encoding format also known as Base64 encoding as defined by the Internet RFC standard.

Many CAs only return the issued certificate, with no supporting chain, especially when there is a flat hierarchy no intermediates CAs. The -signerkeypass value specifies the password of the signer??? If the -rfc option is specified, then the certificate is output in the printable encoding format. When both date and time are provided, there is one and only one space character between the two parts. The jarsigner commands can read a keystore from any location that can be specified with a URL. The -signer value specifies the alias of a PrivateKeyEntry for the signer that already exists in the keystore.

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