[Solved] Computer Science Week 4 – Assignment: Using AES

Assignment Prompt & Instructions

### **Instructions**

## **Assignment Directions**

This assignment assesses CO-4. [[content page]](https://myclassroom.apus.edu/d2l/common/dialogs/quickLink/quickLink.d2l?ou=1335145&type=content&rcode=00D22884-7DC5-4408-809B-589E36B04C5A-5979)

For this assignment, you will use an online AES tool to encrypt and decrypt messages.

01. Navigate to the [Online AES Encryption and Decryption Tool [webpage]](https://www.javainuse.com/aesgenerator)
02. Type in the box: “I want to get an “A” in this course to ensure I have a good GPA upon graduation.”
03. Select ECB.
04. Choose the 128-bit key size
05. Enter the secret key “aesEncryptionKey” WITHOUT the quotation marks.
06. Choose base64 as the output text format.
07. Click encrypt and copy and paste the encrypted message into a Word document.
08. Enter the encrypted message into the box.
09. Select input text format Base64.
10. Key size in bits select 128.
11. Enter the secret key of “aesEncryptionKey” WITHOUT the quotation marks.
12. Click decrypt and copy and paste the answer into the same Word document.

### **Submission Instructions:**

– A Word document that contains the encrypt and decrypt results from steps 7 and 12 above.

**Be sure to review the following prior to submitting your assignment:**

– We strive for academic integrity in all aspects of education, and you are expected to uphold these standards when creating and submitting your discussion. View the [Standards of Student Conduct [webpage]](https://www.apu.apus.edu/student-handbook/university-policies-and-code-of-conduct/apus-student-code-of-conduct/standards-of-student-conduct/) for more information on what that means at APUS.
– Assignment Rubric

– If you do not see the rubric, **select Course Tools in the blue horizontal navigation bar and then Assignments**. Select the appropriate assignment, and the rubric will be located near the bottom of the page.
– [Print a Rubric Preview [webpage]](https://community.d2l.com/brightspace/kb/articles/5376-review-feedback-and-rubrics#print-a-preview-of-a-rubric-attached-to-an-assignment-or-discussion)

Resources & Supports

– [Office 365 [wepbage]:](https://www.office.com/ "Office 365:") You have free access as an APUS student. Sign in with your MyCampus Email credentials.
– [Submitting and Confirming a Submission ](https://youtu.be/HY0ogyh-IhQ "Submitting and Confirming a Submission"): Watch this 3-minute video if you need guidance on submitting your assignment.
– [Review feedback and rubrics in Assignment [webpage]](https://community.d2l.com/brightspace/kb/articles/5376-review-feedback-and-rubrics#viewing-feedback-in-assignments): Review the "Viewing Feedback in the Assignments" section for details on accessing feedback or review the 1-minute [Understanding Grades [YouTube Video]](https://www.youtube.com/watch?v=NqGNw9d9ARc&list=PLxHabmZzFY6k04NnOD0XJqWwJWcesCN12&index=14).