BIOS Random Password Generation for Information Handling Systems

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Solution Overview

Problem

Information handling systems often ship without a set administrator password, making them vulnerable to malware attacks, which can alter settings, lock users out, or enable malicious operations.

Innovation Solution

A BIOS program generates a random password during boot, securely stores it, and allows retrieval by a physically present user, setting it as the administrator password to enhance security.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If no administrator password is set by default, then the system is easier to operate and configure, but the system becomes vulnerable to malware attacks and security breaches

Engineering Contradiction:
Improveease of system setupVSAvoidmalware vulnerability
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The system automatically generates and sets a random administrator password during the manufacturing or initialization process, before the system is deployed to the user. This preliminary action ensures security is in place from the start without requiring user intervention, thus preventing malware attacks while maintaining ease of operation.

Inventive Principle:
Principle #10Preliminary action

2Object-affected harmful factors

If a random password is automatically generated and stored in memory, then the system security is improved, but the risk of password exposure to unauthorized users increases

Engineering Contradiction:
Improvesecurity protectionVSAvoidpassword exposure risk
Core Design Contradiction:
Object-affected harmful factorsVSObject-generated harmful factors

Solution Approach 1:

The patent introduces an intermediary mechanism where the password is stored in a protected memory location that requires specific authentication conditions for retrieval. The BIOS firmware acts as an intermediary that controls access to the password, allowing retrieval only when specific security conditions are met (such as physical presence verification), thus preventing unauthorized exposure while maintaining security.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Ease of operation

If the password is retrievable during subsequent boots, then users can access and configure the system, but the password may be compromised by unauthorized retrieval

Engineering Contradiction:
Improvepassword accessibilityVSAvoidunauthorized access
Core Design Contradiction:
Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The patent applies local quality by implementing different access conditions for different retrieval scenarios. The password storage mechanism has distinct retrieval paths: one that requires physical presence verification (preventing remote unauthorized access) and another that allows access under controlled conditions. This localized differentiation of access quality ensures legitimate users can retrieve passwords while blocking unauthorized attempts.

Inventive Principle:
Principle #3Local quality

Data Source

PatentUS10296730B2Systems and methods for automatic generation and retrieval of an information handling system password
Publication Date: 2019.05.21 DELL PROD LP
  • US10296730B2 patent drawing
  • US10296730B2 patent drawing

AI summary

In accordance with embodiments of the present disclosure, an information handling system may include a processor and a basic input/output system (BIOS). The BIOS may comprise a program of instructions executable by the processor and configured to cause the processor to initialize one or more information handling resources of the information handling system. The BIOS may further be configured to, during a boot of an information handling system, and in response to a request to set a password associated with the information handling system, generate a random password, securely store the random password in a memory such that the password may be retrieved during a subsequent boot of the information handling system by a user physically present at the information handling system, and set the random password as the password associated with the information handling system.