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assignmentutor-lab™ 为您的留学生涯保驾护航 在代写密码学Cryptography & Cryptanalysis方面已经树立了自己的口碑, 保证靠谱, 高质且原创的统计Statistics代写服务。我们的专家在代写密码学Cryptography & Cryptanalysis代写方面经验极为丰富，各种代写密码学Cryptography & Cryptanalysis相关的作业也就用不着说。

• Statistical Inference 统计推断
• Statistical Computing 统计计算
• (Generalized) Linear Models 广义线性模型
• Statistical Machine Learning 统计机器学习
• Longitudinal Data Analysis 纵向数据分析
• Foundations of Data Science 数据科学基础

## 数学代写|密码学作业代写Cryptography & Cryptanalysis代考|Encryption Using a Public Key

Public key encryption uses a private key that must be stored secretly in such way that unauthorized parties or malicious users cannot access it. Also, it is uses a public key which can be made available to anyone. The relation between the public key and the private key is mathematically based. The data that is encrypted using the public key can only be decrypted using the private key. In this situation, the data that has been signed using the private key can be verified using only the public key.

Let’s consider two parties (classical noted as Alice and Bob, as shown in Figure 7-7) who will use a public-key encryption as described: Alice will generate a pair formed of a public key and private key. When Bob decides to send Alice an encrypted message, he will need the public key from Alice, so he will ask for it. Alice will send Bob her public key over a nonsecure network communication channel. Bob will use it to encrypt the message. Bob will send the encrypted message to Alice, who will decrypt it using her private key.

The following list shows a comparison between public-key and private-key algorithms:

• Algorithms based on a public key use a fixed buffer size. It is very important to mention that the secret key and algorithms based on it use a buffer that is represented as a variable and the size varies.
• Regarding the chain of data, there is a difference between publickey algorithms and symmetric-key algorithms. Symmetric-key algorithms chain data together into streams, and public-key algorithms don’t have this ability. The streaming model is not the same for the asymmetric operations as for symmetric operations.
• Encryption using a public key uses a larger space for the key representation. The space used by symmetric-key encryptions is much smaller compared with the public key encryptions.
• Public keys are very easy to distribute because there is no need to have a security mechanism. If necessary, there are mechanisms to verify and check the identity of the sender.
• To create a digital signature with the goal of verifying and checking the identity of the sender, public-key algorithms such as RSA and DSA can be used with success.
• Regarding speed, public-key algorithms are very slow if we compare them with symmetric algorithms. They are designed in such way that no large amount of data can be encrypted. Thus, public-key algorithms are recommended only for a small amount of data.

## 数学代写|密码学作业代写Cryptography & Cryptanalysis代考|ClickOnce Manifests

ClickOnce [21] is a deployment technology that provides the ability to create a selfupdating windows-based application. It offers a minimal user interaction and it is as easy as possible to use.

ClickOnce technology is still used within small and medium businesses. There are challenges due to the security of the signatures and the collection of signatures. Consumer applications are largely developed in UWP or Win32 and use different technologies for the deployment process. Some internal business applications use different deployment technologies these days.
.NET Framework $3.5$ offers cryptography classes that allow professionals to get and verify the information of the signatures assigned to the ClickOnce manifests that are deployed. The classes are as follows:

• ManifestSignatureInformation class [22]. Used to obtain information related to the manifest signature. This can be achieved with the help of the VerifyMethod method. An example method for verifying the signature of a manifest can be seen in Listing 7-9.
• ManifestKinds enumeration [23]. This enumeration is used to mention which manifests should be checked. The output of the checking process is represented by an enumeration value within SignatureVerificationResult enum type [24].
• ManifestSignatureInformationCollection class [25]. The class provides guidance related to the read-only collection of the objects of the ManifestSignatureInformation class [26] for verifying the signatures.

## 数学代写|密码学作业代写Cryptography & Cryptanalysis代考|Encryption Using a Public Key

• 基于公钥的算法使用固定的缓冲区大小。值得一提的是，密钥和基于它的算法使用一个缓冲区，该缓冲区表示为一个变量并且大小会有所不同。
• 关于数据链，公钥算法和对称密钥算法是有区别的。对称密钥算法将数据链接在一起形成流，而公钥算法没有这种能力。非对称操作的流模型与对称操作的流模型不同。
• 使用公钥的加密使用更大的空间来表示密钥。与公钥加密相比，对称密钥加密使用的空间要小得多。
• 公钥很容易分发，因为不需要安全机制。如有必要，有机制来验证和检查发件人的身份。
• 要创建以验证和检查发送者身份为目标的数字签名，可以成功使用 RSA 和 DSA 等公钥算法。
• 关于速度，如果我们将它们与对称算法进行比较，公钥算法非常慢。它们的设计方式是无法加密大量数据。因此，仅建议对少量数据使用公钥算法。

## 数学代写|密码学作业代写Cryptography & Cryptanalysis代考|ClickOnce Manifests

ClickOnce [21] 是一种部署技术，它提供了创建基于 Windows 的自我更新应用程序的能力。它提供了最少的用户交互，并且尽可能易于使用。

ClickOnce 技术仍在中小型企业中使用。由于签名的安全性和签名的收集存在挑战。消费者应用程序主要在 UWP 或 Win32 中开发，并在部署过程中使用不同的技术。如今，一些内部业务应用程序使用不同的部署技术。
.NET 框架3.5提供加密类，允许专业人员获取和验证分配给已部署 ClickOnce 清单的签名信息。课程如下：

• ManifestSignatureInformation 类 [22]。用于获取与清单签名相关的信息。这可以在 VerifyMethod 方法的帮助下实现。清单 7-9 中提供了一个验证清单签名的示例方法。
• ManifestKinds 枚举 [23]。此枚举用于提及应检查哪些清单。检查过程的输出由 SignatureVerificationResult 枚举类型 [24] 中的枚举值表示。
• ManifestSignatureInformationCollection 类 [25]。该类提供与 ManifestSignatureInformation 类 [26] 的对象的只读集合相关的指南，用于验证签名。

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## MATLAB代写

MATLAB 是一种用于技术计算的高性能语言。它将计算、可视化和编程集成在一个易于使用的环境中，其中问题和解决方案以熟悉的数学符号表示。典型用途包括：数学和计算算法开发建模、仿真和原型制作数据分析、探索和可视化科学和工程图形应用程序开发，包括图形用户界面构建MATLAB 是一个交互式系统，其基本数据元素是一个不需要维度的数组。这使您可以解决许多技术计算问题，尤其是那些具有矩阵和向量公式的问题，而只需用 C 或 Fortran 等标量非交互式语言编写程序所需的时间的一小部分。MATLAB 名称代表矩阵实验室。MATLAB 最初的编写目的是提供对由 LINPACK 和 EISPACK 项目开发的矩阵软件的轻松访问，这两个项目共同代表了矩阵计算软件的最新技术。MATLAB 经过多年的发展，得到了许多用户的投入。在大学环境中，它是数学、工程和科学入门和高级课程的标准教学工具。在工业领域，MATLAB 是高效研究、开发和分析的首选工具。MATLAB 具有一系列称为工具箱的特定于应用程序的解决方案。对于大多数 MATLAB 用户来说非常重要，工具箱允许您学习应用专业技术。工具箱是 MATLAB 函数（M 文件）的综合集合，可扩展 MATLAB 环境以解决特定类别的问题。可用工具箱的领域包括信号处理、控制系统、神经网络、模糊逻辑、小波、仿真等。

assignmentutor™您的专属作业导师
assignmentutor™您的专属作业导师