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IASP 585 Mercy College Applied Cryptanalysis Questions
1. Suppose that we use a block cipher to encrypt according to the ruleC0 = IV E(P0, K),C1 = C0 E(P1, K), C2 = C1 E(P2, K), ...
IASP 585 Mercy College Applied Cryptanalysis Questions
1. Suppose that we use a block cipher to encrypt according to the ruleC0 = IV E(P0, K),C1 = C0 E(P1, K), C2 = C1 E(P2, K), …What is the corresponding decryption rule? Are there any security advantages or disadvantages to this mode compared to CBC mode?2. Suppose Alice has four blocks of plaintext, P0, P1, P2 and P3 and she computes a MAC (Students can assume CBC MAC) using the key K. Alice sends the initialization vector, denoted IV, the plaintext blocks and the MAC to Bob. However, Trudy intercepts the message and replaces P1 with X so that Bob receives IV, P0. X, P2, P3, and the MAC.a. Precisely what does Bob compute when he attempts to verify the MAC?b. Show that Bob will almost certainly detect Trudy’s tampering.c. What is the probability that Bob does not detect Trudy’s tampering?3. Counter (CTR) mode allows block ciphers to be used like stream ciphers. The CTR mode encryption formula is Ci = Pi E(1V+i , K ), and decryption rule is Pi = Ci E(1V+i, K ) .a. Explain how to do random access on data encrypted using CTR modeb. Explain how to do random access on data encrypted using CBC modec. Which is “better” for random access, CTR mode or CBC mode, and why?4. Suppose that Alice and Bob always choose the same IV.a. Discuss one security problem this creates if CBC mode is used.b. Discuss one security problem this creates if CTR mode is usedc. If the same IV is always used, why is CBC mode preferable to CTR mode?5. Consider a Feistel Cipher with four rounds. Then P = (L0, R0) is the plaintext. What is the ciphertext C = (L4,R4), in terms of (L0, R0), for each of the following round functions?a. F(Ri-1, Ki) = X, where X is a constantb. F(Ri-1, Ki) = Ri-1c. F(Ri-1, Ki) = Ri-1 Kid. F(Ri-1, Ki) = Ri-1 +Ki (mod 232), where Ri-1 and Ki are 32-bit quantities6. Trudy wants to attack a block cipher that has a 64-bit key and 64-bit blocks. Each time she attacks this cipher, she can conduct a chosen plaintext attack and the cipher is used in ECB mode.a. Suppose Trudy does an exhaustive key search each time she attacks the cipher. If she conducts the attack 220 times, what is the total work, the storage requirement, and the success probability?b. Suppose Trudy pre-computes E(P,K) for a selected plaintext P and every possible key K . For each attack, Trudy chooses the same plaintext P and obtains the corresponding ciphertext C. Then shesimply looks up C in her pre-computed list to obtain the key K. If she again conducts the attack 220 times, what is the total work, the storage requirement, and the success probability?c. Suppose Trudy implements Hellman’s TMTO attack and, as suggested in the text, she chooses T = m = t = 264/3. If she conducts the attack 220 times, what is the total work, the storage requirement and the success probability?
CS 515 University of New Hampshire Hash Table Map Container C Programming Project
This is the assignment about C++ language. I need the tutor who can read the requirement carefully and finish the job perf ...
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KAU Cloud Vendors Use of IoT Wireless Security & Tecnhologies Questions
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San Diego State University January Sales in Atlanta For Blue Lake Sports Excel Task
Blue Lake Sports has locations in several major cities and tracks sales by department in each store. For this project, you ...
San Diego State University January Sales in Atlanta For Blue Lake Sports Excel Task
Blue Lake Sports has locations in several major cities and tracks sales by department in each store. For this project, you create a pie chart that shows each store’s share of golf-related sales for the first quarter. You also create a line chart to illustrate week-to-week sales for specific departments in one of the stores and insert sparklines in the data.
[Student Learning Outcomes 3.1, 3.2, 3.3, 3.4, 3.6, 3.8]
File Needed: BlueLakeSports-03.xlsx (Available from the Start File link.)
Completed Project File Name: [your name]-BlueLakeSports-03.xlsx
Skills Covered in This Project
Create, size, and position a pie chart object.
Apply a chart style.
Change the chart type.
Add and format chart elements.
Create a line chart sheet.
Apply a chart layout.
Insert and format sparklines in a worksheet.
This image appears when a project instruction has changed to accommodate an update to Microsoft 365 Apps. If the instruction does not match your version of Office, try using the alternate instruction instead.
Open the BlueLakeSports-03 start file. If the workbook opens in Protected View, click the Enable Editing button so you can modify it. The file will be renamed automatically to include your name. Change the project file name if directed to do so by your instructor, and save it.
NOTE: If group titles are not visible on your Ribbon in Excel for Mac, click the Excel menu and select Preferences to open the Excel Preferences dialog box. Click the View button and check the Group Titles check box under In Ribbon, Show. Close the Excel Preferences dialog box.
Create a pie chart object.
Select the Revenue by Department sheet, select cells A4:F4, press command, and select cells A13:F13.
Click the Recommended Charts button [Insert tab, Charts group].
Choose Pie.
Apply a chart style.
Select the chart object.
Click the More button [Chart Design tab, Chart Styles group].
Select Style 12.
Size and position a chart object.
Point to the chart object border to display the move pointer.
Drag the chart object so its top-left corner is at cell A21.
Point to the bottom right selection handle to display the resize arrow.
Drag the pointer to cell G36.
Change the chart type.
Select the pie chart object and click the Change Chart Type button [Chart Design tab, Type group].
In the drop-down list point to Pie.
Choose 3-D Pie.
Format pie chart elements.
Double-click the pie to open its Format Data Series task pane.
Click the Atlanta slice to update the pane to the Format Data Point task pane. (Rest the pointer on a slice to see its identifying ScreenTip.)
Click the Series Options button in the Format Data Series task pane.
Set the pie explosion percentage at 10%.
Close the task pane.
Click the chart object border to deselect the Atlanta slice.
Add and format chart elements in a pie chart.
Click the Add Chart Element button [Chart Design tab, Chart Layouts group].
Point to Data Labels.
Choose More Data Label Options...
If necessary, click the Label Options button In the Format Data Labels pane.
If necessary, click Label Options to expand the group.
Select the Percentage box.
Deselect the Value box (Figure 3-66).Figure 3-66 Format Data task pane for data labels
Press command+B to apply bold.
Change the font size to 12 pt [Home tab, Font group].
Click the chart object border to select it.
Click the Shape Outline button [Format tab, Shape Styles group] and choose Purple, Accent 4, Darker 50% (eighth column).
Click the Shape Outline button and choose Weight and 1 pt.
Click a worksheet cell.
Create a line chart sheet.
Select the Atlanta Revenue sheet tab.
Select cells A4:E7.
Click the Recommended Charts button [Insert tab, Charts group].
Select Line.
Click the Move Chart button [Chart Design tab, Location group].
Click the New sheet button.
Type Promo Depts and click OK.
Apply a chart layout.
Click the Quick Layout button [Chart Design tab, Chart Layouts group].
Select Layout 5 to add a data table to the chart sheet (Figure 3-67).Figure 3-67 Data table added by Quick Layout
Change the chart type.
Click the Change Chart Type button [Chart Design tab, Type group].
Point to Line and choose Line with Markers.
The chart now displays point markers.
Edit chart elements in a line chart.
Click the chart title placeholder.
Type Special Promotion Departments in the Formula bar and press Enter.
Click the vertical axis title placeholder.
Type Dollar Sales in the Formula bar and press Enter.
Click the Chart Elements drop-down arrow [Chart Format tab, Current Selection group].
Choose Series "Apparel" to select the line in the chart.
Click the Format Pane button [Chart Format tab, Format group].
Click the Fill & Line button in the Format Data Series task pane.
Click Marker and then click Marker Options to expand the group (Figure 3-68).Figure 3-68 Marker options for the data series
Choose Built-in and set the Size to 10.
Choose Series "Baseball" to select the line in the chart. (Figure 3-69).Figure 3-69 New data series selected
Apply the same marker changes for the baseball series.
Select the Basketball series and apply the same marker changes.
Close the task pane and click outside the chart.
Insert sparklines in the worksheet.
Click the Atlanta Revenue tab.
Right-click the column F heading and choose Insert.
Select cells B5:E18 as the data range.
Click the Sparklines button and select Line [Insert tab, Sparklines group].
Select cells F5:F18 in the Select where to place sparklines: box.
Click OK.
Format sparklines in worksheet.
Click the Format button [Home tab, Cells group] and change the Row Height to 24.
Click the Format button [Home tab, Cells group] and set the Column Width to 35.
Select the Markers box in the Show group on Sparkline tab.
Click the Sparkline Color button [Sparkline tab, Style group].
Choose Black, Text 1 (second column) for the line color.
Click cell A1.
Change the page orientation to landscape.
Save and close the workbook (Figure 3-70).Figure 3-70 Excel 3-3 completed worksheet and charts
Upload and save your project file.
Submit project for grading.
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IASP 585 Mercy College Applied Cryptanalysis Questions
1. Suppose that we use a block cipher to encrypt according to the ruleC0 = IV E(P0, K),C1 = C0 E(P1, K), C2 = C1 E(P2, K), ...
IASP 585 Mercy College Applied Cryptanalysis Questions
1. Suppose that we use a block cipher to encrypt according to the ruleC0 = IV E(P0, K),C1 = C0 E(P1, K), C2 = C1 E(P2, K), …What is the corresponding decryption rule? Are there any security advantages or disadvantages to this mode compared to CBC mode?2. Suppose Alice has four blocks of plaintext, P0, P1, P2 and P3 and she computes a MAC (Students can assume CBC MAC) using the key K. Alice sends the initialization vector, denoted IV, the plaintext blocks and the MAC to Bob. However, Trudy intercepts the message and replaces P1 with X so that Bob receives IV, P0. X, P2, P3, and the MAC.a. Precisely what does Bob compute when he attempts to verify the MAC?b. Show that Bob will almost certainly detect Trudy’s tampering.c. What is the probability that Bob does not detect Trudy’s tampering?3. Counter (CTR) mode allows block ciphers to be used like stream ciphers. The CTR mode encryption formula is Ci = Pi E(1V+i , K ), and decryption rule is Pi = Ci E(1V+i, K ) .a. Explain how to do random access on data encrypted using CTR modeb. Explain how to do random access on data encrypted using CBC modec. Which is “better” for random access, CTR mode or CBC mode, and why?4. Suppose that Alice and Bob always choose the same IV.a. Discuss one security problem this creates if CBC mode is used.b. Discuss one security problem this creates if CTR mode is usedc. If the same IV is always used, why is CBC mode preferable to CTR mode?5. Consider a Feistel Cipher with four rounds. Then P = (L0, R0) is the plaintext. What is the ciphertext C = (L4,R4), in terms of (L0, R0), for each of the following round functions?a. F(Ri-1, Ki) = X, where X is a constantb. F(Ri-1, Ki) = Ri-1c. F(Ri-1, Ki) = Ri-1 Kid. F(Ri-1, Ki) = Ri-1 +Ki (mod 232), where Ri-1 and Ki are 32-bit quantities6. Trudy wants to attack a block cipher that has a 64-bit key and 64-bit blocks. Each time she attacks this cipher, she can conduct a chosen plaintext attack and the cipher is used in ECB mode.a. Suppose Trudy does an exhaustive key search each time she attacks the cipher. If she conducts the attack 220 times, what is the total work, the storage requirement, and the success probability?b. Suppose Trudy pre-computes E(P,K) for a selected plaintext P and every possible key K . For each attack, Trudy chooses the same plaintext P and obtains the corresponding ciphertext C. Then shesimply looks up C in her pre-computed list to obtain the key K. If she again conducts the attack 220 times, what is the total work, the storage requirement, and the success probability?c. Suppose Trudy implements Hellman’s TMTO attack and, as suggested in the text, she chooses T = m = t = 264/3. If she conducts the attack 220 times, what is the total work, the storage requirement and the success probability?
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This is the assignment about C++ language. I need the tutor who can read the requirement carefully and finish the job perfectly. This work needs you make the own test code to check your assignment code. Only if you pass the test code from professor, you could say you finish the job. Without this, you need check your code and make it perfectly. The good news is that I could answer your questions anytime and I also could ask for professor by emailing him if you have any questions.
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San Diego State University January Sales in Atlanta For Blue Lake Sports Excel Task
Blue Lake Sports has locations in several major cities and tracks sales by department in each store. For this project, you ...
San Diego State University January Sales in Atlanta For Blue Lake Sports Excel Task
Blue Lake Sports has locations in several major cities and tracks sales by department in each store. For this project, you create a pie chart that shows each store’s share of golf-related sales for the first quarter. You also create a line chart to illustrate week-to-week sales for specific departments in one of the stores and insert sparklines in the data.
[Student Learning Outcomes 3.1, 3.2, 3.3, 3.4, 3.6, 3.8]
File Needed: BlueLakeSports-03.xlsx (Available from the Start File link.)
Completed Project File Name: [your name]-BlueLakeSports-03.xlsx
Skills Covered in This Project
Create, size, and position a pie chart object.
Apply a chart style.
Change the chart type.
Add and format chart elements.
Create a line chart sheet.
Apply a chart layout.
Insert and format sparklines in a worksheet.
This image appears when a project instruction has changed to accommodate an update to Microsoft 365 Apps. If the instruction does not match your version of Office, try using the alternate instruction instead.
Open the BlueLakeSports-03 start file. If the workbook opens in Protected View, click the Enable Editing button so you can modify it. The file will be renamed automatically to include your name. Change the project file name if directed to do so by your instructor, and save it.
NOTE: If group titles are not visible on your Ribbon in Excel for Mac, click the Excel menu and select Preferences to open the Excel Preferences dialog box. Click the View button and check the Group Titles check box under In Ribbon, Show. Close the Excel Preferences dialog box.
Create a pie chart object.
Select the Revenue by Department sheet, select cells A4:F4, press command, and select cells A13:F13.
Click the Recommended Charts button [Insert tab, Charts group].
Choose Pie.
Apply a chart style.
Select the chart object.
Click the More button [Chart Design tab, Chart Styles group].
Select Style 12.
Size and position a chart object.
Point to the chart object border to display the move pointer.
Drag the chart object so its top-left corner is at cell A21.
Point to the bottom right selection handle to display the resize arrow.
Drag the pointer to cell G36.
Change the chart type.
Select the pie chart object and click the Change Chart Type button [Chart Design tab, Type group].
In the drop-down list point to Pie.
Choose 3-D Pie.
Format pie chart elements.
Double-click the pie to open its Format Data Series task pane.
Click the Atlanta slice to update the pane to the Format Data Point task pane. (Rest the pointer on a slice to see its identifying ScreenTip.)
Click the Series Options button in the Format Data Series task pane.
Set the pie explosion percentage at 10%.
Close the task pane.
Click the chart object border to deselect the Atlanta slice.
Add and format chart elements in a pie chart.
Click the Add Chart Element button [Chart Design tab, Chart Layouts group].
Point to Data Labels.
Choose More Data Label Options...
If necessary, click the Label Options button In the Format Data Labels pane.
If necessary, click Label Options to expand the group.
Select the Percentage box.
Deselect the Value box (Figure 3-66).Figure 3-66 Format Data task pane for data labels
Press command+B to apply bold.
Change the font size to 12 pt [Home tab, Font group].
Click the chart object border to select it.
Click the Shape Outline button [Format tab, Shape Styles group] and choose Purple, Accent 4, Darker 50% (eighth column).
Click the Shape Outline button and choose Weight and 1 pt.
Click a worksheet cell.
Create a line chart sheet.
Select the Atlanta Revenue sheet tab.
Select cells A4:E7.
Click the Recommended Charts button [Insert tab, Charts group].
Select Line.
Click the Move Chart button [Chart Design tab, Location group].
Click the New sheet button.
Type Promo Depts and click OK.
Apply a chart layout.
Click the Quick Layout button [Chart Design tab, Chart Layouts group].
Select Layout 5 to add a data table to the chart sheet (Figure 3-67).Figure 3-67 Data table added by Quick Layout
Change the chart type.
Click the Change Chart Type button [Chart Design tab, Type group].
Point to Line and choose Line with Markers.
The chart now displays point markers.
Edit chart elements in a line chart.
Click the chart title placeholder.
Type Special Promotion Departments in the Formula bar and press Enter.
Click the vertical axis title placeholder.
Type Dollar Sales in the Formula bar and press Enter.
Click the Chart Elements drop-down arrow [Chart Format tab, Current Selection group].
Choose Series "Apparel" to select the line in the chart.
Click the Format Pane button [Chart Format tab, Format group].
Click the Fill & Line button in the Format Data Series task pane.
Click Marker and then click Marker Options to expand the group (Figure 3-68).Figure 3-68 Marker options for the data series
Choose Built-in and set the Size to 10.
Choose Series "Baseball" to select the line in the chart. (Figure 3-69).Figure 3-69 New data series selected
Apply the same marker changes for the baseball series.
Select the Basketball series and apply the same marker changes.
Close the task pane and click outside the chart.
Insert sparklines in the worksheet.
Click the Atlanta Revenue tab.
Right-click the column F heading and choose Insert.
Select cells B5:E18 as the data range.
Click the Sparklines button and select Line [Insert tab, Sparklines group].
Select cells F5:F18 in the Select where to place sparklines: box.
Click OK.
Format sparklines in worksheet.
Click the Format button [Home tab, Cells group] and change the Row Height to 24.
Click the Format button [Home tab, Cells group] and set the Column Width to 35.
Select the Markers box in the Show group on Sparkline tab.
Click the Sparkline Color button [Sparkline tab, Style group].
Choose Black, Text 1 (second column) for the line color.
Click cell A1.
Change the page orientation to landscape.
Save and close the workbook (Figure 3-70).Figure 3-70 Excel 3-3 completed worksheet and charts
Upload and save your project file.
Submit project for grading.
Applied Learning Practicum Reflection – Connecting Course Skills
The executive-format programs are a unique approach to higher education. With the required Applied Learning Practicum each ...
Applied Learning Practicum Reflection – Connecting Course Skills
The executive-format programs are a unique approach to higher education. With the required Applied Learning Practicum each semester, you are taking education beyond the cognitive level and learning how to apply your knowledge to the real world profession within your field of study. The purpose of this format is to provide you with the skills and knowledge necessary to leave your program.my Courses are 1) Analyzing & Visualizing Data 2)Operational Excellence Please write the practicum reflection which related to my courses and myself and about the my job(any job you can write)write 500 to 600 words with APA formate
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