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An Android app to validate whether a video file has been tampered to provide additional safety individuals that store home security video files in the cloud.
INSTRUCTIONS TO CANDIDATESANSWER ALL QUESTIONS
Purpose of Application
An Android app to validate whether a video file has been tampered to provide additional safety individuals that store home security video files in the cloud.
Functional Requirement
This table will list the functional requirements which describes what the application should do.
|
# |
Requirements |
|
1 |
The user must interact with the application through a Graphical User Interface (GUI) |
|
2 |
The application initial loading page shall support the option to login and sign up/register |
|
3 |
The application shall provide a forgot password feature to recover a forgotten password based on a username |
|
5 |
The application will integrate with live streaming security cameras which will display the live stream through the app |
|
6 |
The application shall support the for ability for a user to record a live stream by clicking a button |
|
7 |
The application shall support adding a digital signature or adding a digital video fingerprint to a video during recording/save |
|
9 |
The application shall support validating the integrity of a video file to see if it has been altered or manipulated by determining whether the signature/digital fingerprint is still present on the video file. |
|
11 |
The application must allow the end user to view the stored videos |
|
13 |
The application must check the validity of the video |
|
14 |
The application shall support displaying the validation progress on the screen |
|
15 |
The application shall display 'Valid' or 'Invalid' on the screen after validation has completed for a file. |
|
16 |
The application shall support removal of video signature/digital fingerprint from a video file if it has been edited |
|
17 |
The application shall provide a logout button to log the user out of the application |
Table 3.1 Functional Requirement
Use Case Descriptions and Scenarios
|
Use Case |
Sign Up |
|
Description |
The application will display a screen featuring the ability to perform Sign up |
|
Steps |
1. Open registration screen. 2. Enter user details 3. create a new user |
|
Actors |
User and System |
|
Priority |
Core |
Table 3.2 Use Case Description
|
Use Case |
Login |
|
Description |
The application will display a screen featuring the ability to perform login |
|
Steps |
1. Open login screen. 2. Insert user details 3. Authenticate user |
|
Actors |
User and System |
|
Priority |
core |
Table 3.3 Use Case Description
|
Use Case |
Reset Password |
|
Description |
The application will provide a reset password feature to recover a forgotten password based on a username and emailing |
|
Steps |
1. Open login screen. 2. Press forget password button 3. Enter username and email 4. Update password |
|
Actors |
User and system |
|
Priority |
Core |
Table 3.4 Use Case Description
|
Use Case |
Connect with camera |
|
Description |
The application shall support setup screen to integration with live stream security camera. |
|
Steps |
1. Enter camera details 2. Authorize connectivity |
|
Actors |
User and System |
|
Priority |
Core |
Table 3.5 Use Case Description
|
Use Case |
View live stream |
|
Description |
The application shall support the ability for a user to view incoming live stream footage from a security system which will display on the phone back to the user |
|
Steps |
view incoming live stream |
|
Actors |
User and system |
|
Priority |
Core |
Table 3.6 Use Case Description
|
Use Case |
Record Video with signature |
|
Description |
The application shall support the ability for a user to record a live stream by clicking a button then adding a digital signature or adding a digital video fingerprint to a video during recording. |
|
Steps |
1. Record video stream 2. Adding a digital signature or adding a digital video fingerprint 3. Encrypt video 4. Store video |
|
Actors |
User and System |
|
Priority |
Core |
Table 3.7 Use Case Description
|
Use Case |
Store Video |
|
Description |
The application shall support the ability to integrate to a cloud-based database to upload and store an encrypted video file to the logged in user's cloud storage |
|
Steps |
1. Save video 2. Store video to cloud-based database |
|
Actors |
User and system |
|
Priority |
Core |
Table 3.8 Use Case Description
|
Use Case |
Validate Video |
|
Description |
The application shall support validating the integrity of a video file from the user's cloud storage to see if it has been altered or manipulated by determining whether the signature or digital fingerprint is still present on the video file. |
|
Steps |
1. Retrieve videos 2. Validate video |
|
Actors |
User and system |
|
Priority |
Core |
Table 3.9 Use Case Description
In this section, we will explain the Steps of data the flow diagram:
- A user enters user details during the Sign-up process and account details are sent to the
account information database.
- A user entered user details during the authenticate user process
- A user provides camera details during the connect camera process and the camera details are used in the authorize connectivity process which connect with the Surveillance camera. The Surveillance camera returns authorization results during the authorization process which were performed during the connect camera process and the authorization results are sent back to the
- Surveillance camera provides live stream data during the access live stream process which delivers live stream video to the user.
- The Surveillance camera provides live stream data during the access live stream process which provides video data during the record video process which also uses the video data during the upload video process delivers live stream video to the user which sends the video file to the video storage database.
- The video storage database provides video files during the access video process which are used during the validate video process which returns video validation results to the user.
Interface Design
The design phase should include a prototyping stage. Prototype is “a preliminary visual mock-up that looks like a real app, and that demonstrates an app’s fundamental design and function, but does not contain working code” (Sara, 2018).
This section shows prototype of user interface design for the proposed application depend on the functions and requirements described in chapter3.
Database Design
Database design involves a model developed to guide how the data can be stored and organized. The Surveillance Video Validator application has a simple database to store the user account information. The Account table will hold the details for each customer’s account. The fields include a unique Account Id (primary key), Name, Email and Username.
Attachments:
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