When and why should the keys of block cyphers and stream cyphers not be shared?
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When and why should the keys of block cyphers and stream cyphers not be shared?
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- Explain the differences in how and why keys are exchanged between the block cypher and the stream cypher.A URL (Uniform Resource Locator) is an identifier used to locate resources on the web. A URL is composed of the following components: Scheme, Host Name (with optional Port Number), Path, (optional) Query String, (optional) Anchor. These components are arranged in the following format:Scheme://Hostname:Port/Path?QueryString#AnchorFor example, in the URL "https://en.wikipedia.org:443/wiki/Kitten?printable=yes&download=no#External_links": "https" is the Scheme, "en.wikipedia.org" is the Hostname, 443 is the Port Number, "wiki/Kitten" is the Path, "printable=yes&download=no" is the Query String, and "External_links" is the Anchor.The Port Number is typically omitted when default port numbers are used by the hostname server (80 for http, 443 for https). When Path and Query String are empty, the '/' character before the Path becomes optional, e.g, as in the url: 'https://en.wikipedia.org'.Write a function url2hostname that takes in a URL and returns the hostname (without the port…Explain how a publish-subscribe system, such as Apache Kafka, may be used to run several operations on a stream.
- Write an XML file that describes information of students in a class. The following table has the students’ details: Name ID Ahmed 1000 Muhammad 2000 Note that the root element start and end tags are provided <class>What is the difference between a symbolic link and the destination file in terms of file size?Explain how a publish-subscribe system, such as Apache Kafka, can be used to perform multiple actions on a stream.
- Write an XML file that describes information of students in a class. The following table has the students' details: Name ID Ahmed 1000 Muhammad 2000 Note that the root element start and end tags are providedWrite and Create a dictionary code in swiftLab 14: Processing a json file Read in a JSON file such as the following: { "students":[ } { }, { "firstName" "lastName : "Doe", "major" : "CENT", "credits": 12, : "Jane", "exams" : [92.7, 91.4, 95.2] "firstName" : "John" "lastName' : "Doe" "major": "PHYS", "credits" : 10.0, "exams : [91.1, 81.3, 85.6] "firstName" : "Bill", "lastName : "Gates", "major": "ICS", "credits" : 7, exams" : [98.7, 94.4, 96.4] PART 1: Parse the JSON data into a dictionary and output the data as follows: Jane Doe is majoring in CENT John Doe is majoring in PHYS Bill Gates is majoring in ICS