{"id":132532,"date":"2023-09-10T19:49:14","date_gmt":"2023-09-10T19:49:14","guid":{"rendered":"https:\/\/assignmenttutors.net\/blog\/h2-computer-science-homework-help\/"},"modified":"2023-09-10T19:49:14","modified_gmt":"2023-09-10T19:49:14","slug":"h2-computer-science-homework-help","status":"publish","type":"post","link":"https:\/\/assignmenttutors.net\/blog\/h2-computer-science-homework-help\/","title":{"rendered":"H2 | Computer Science homework help"},"content":{"rendered":"<div id=\"file-content-9517895\" tabindex=\"-1\" style=\"width:100%;display:inline-block\">\n<p><b class=\"css-yn9mbs\"><\/p>\n<h2>Homework-2.docx<\/h2>\n<p><\/b><\/p>\n<div class=\"css-j3mg6j\">\n<h2>Question 1 [12 pts]<\/h2>\n<p>What is entropy? <\/p>\n<p>Calculate the entropy of a fair die toss. <\/p>\n<p>Calculate the entropy of a biased die, where the probability of landing \u201c6\u201d is 1\/2, the probabilities of the others are equal. <\/p>\n<p>Compare the entropies of the fair die and the biased die? What does higher entropy mean? <\/p>\n<p>You can use the Log Base 2 Calculator hosted here: <\/p>\n<p>\n            <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/miniwebtool.com\/log-base-2-calculator\/\">https:\/\/miniwebtool.com\/log-base-2-calculator\/<\/a>\n        <\/p>\n<p>Use the exponents calculator in this address to verify the number of possible landings of a fair dice, which should be 6.<\/p>\n<p>\n            <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/www.rapidtables.com\/calc\/math\/Exponent_Calculator.html\">https:\/\/www.rapidtables.com\/calc\/math\/Exponent_Calculator.html<\/a>\n        <\/p>\n<h2>Question 2 [5 pts]<\/h2>\n<p>What is the difference between a RNGS and PRNGS? <\/p>\n<h2>Question 3 [10 pts]<\/h2>\n<p>Which one is used for assessing the security of a cryptographic algorithm:  Informational security or computational security? Why?<\/p>\n<p>Which is of the following statements are correct? Choose more than one. <\/p>\n<p>a. One-time pad is informationally secure.<\/p>\n<p>b. AES algorithm is computationally secure. <\/p>\n<p>c. Organizations should prefer using informationally secure algorithms over computationally secure algorithms as much as they can.<\/p>\n<p>d. A new cipher that is using 5096-bit key and takes 10^10000 years to break in even by the help of parallel computing infrastructure composed of all microprocesses in the world is informationally secure. <\/p>\n<h2>Question 4 [8 pts]<\/h2>\n<p>Think about two encryption keys with lengths 80-bit and 128-bit, respectively. Assume that the ciphers using these keys are NIST-approved ciphers. What can be said about these keys? <\/p>\n<p>Do both keys provide similar level of security in practical real-world applications? Please justify your answer. <\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Homework-2.docx Question 1 [12 pts] What is entropy? Calculate the entropy of a fair die toss. Calculate the entropy of a biased die, where the probability of landing \u201c6\u201d is 1\/2, the probabilities of the others are equal. Compare the entropies of the fair die and the biased die? What does higher entropy mean? You [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-132532","post","type-post","status-publish","format-standard","hentry","category-education"],"_links":{"self":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/posts\/132532","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/comments?post=132532"}],"version-history":[{"count":0,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/posts\/132532\/revisions"}],"wp:attachment":[{"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/media?parent=132532"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/categories?post=132532"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/assignmenttutors.net\/blog\/wp-json\/wp\/v2\/tags?post=132532"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}