Functional Requirements Specification Example

Project Name: Online User Registration

Document Version: 1.0

Date: [Insert Date]

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1. Introduction

The User Registration functionality will allow new users to create an account on the platform. The registration process will capture essential user details and store them securely. The system will validate the inputs and ensure a secure registration process.

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2. Functional Requirements

2.1 User Interface

• FR1.1: The registration form must be accessible from the home page through a “Sign Up” button.
• FR1.2: The registration page must display the following fields:
  • First Name (Text, required)
  • Last Name (Text, required)
  • Email Address (Text, required, must be a valid email format)
  • Password (Password field, required, must meet security criteria)
  • Confirm Password (Password field, required, must match the password)
• FR1.3: The form must include a “Register” button to submit the information and a “Cancel” button to clear the form or return to the home page.

2.2 Input Validation

• FR2.1: The system must validate that all required fields are filled.
• FR2.2: The email address must be validated using a regular expression to ensure it is in the correct format.
• FR2.3: The password must meet the following security criteria:
  • Minimum of 8 characters
  • At least one uppercase letter
  • At least one lowercase letter
  • At least one number
  • At least one special character (e.g., @, #, $, etc.)
• FR2.4: The “Confirm Password” field must match the “Password” field.

2.3 Data Handling

• FR3.1: Upon successful form submission, the system must store user information in the database securely using encryption for sensitive data like passwords.
• FR3.2: The system must display a success message: “Registration successful. Please check your email to verify your account.”
• FR3.3: The system must send a verification email to the user’s email address with a link to confirm their account.
• FR3.4: If the user does not verify their email within 24 hours, the system must send a reminder email.
• FR3.5: Unverified accounts must be automatically deleted after 7 days.

2.4 Error Handling

• FR4.1: If any validation fails, the system must display appropriate error messages near the corresponding field, e.g., “Email is not in the correct format.”
• FR4.2: If the registration fails due to a system error, the user must see a generic error message: “An error occurred. Please try again later.”

2.5 Security

• FR5.1: All passwords must be hashed and salted before storing them in the database.
• FR5.2: The system must implement reCAPTCHA or a similar mechanism to prevent automated sign-ups.
• FR5.3: The system must prevent SQL injection, XSS, and CSRF attacks.

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3. Non-Functional Requirements

• NFR1: The registration process must complete within 2 seconds for 95% of the users.
• NFR2: The system must handle up to 1,000 registration requests per minute without performance degradation.
• NFR3: The registration page must be accessible on mobile and desktop devices.

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4. Dependencies

• The email service must be configured and operational for sending verification emails.
• The database must be set up and configured to handle user data.

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5. Assumptions

• Users will have access to a valid email address to complete the registration process.
• The security team will provide best practices for data encryption and hashing.

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6. Acceptance Criteria

• The registration form must be fully functional and validated.
• Users must receive verification emails upon successful registration.
• Passwords must be stored securely, and the system must pass all security audits.