Memory Device Blockchain Authentication
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Solution Overview
Problem
Existing memory systems lack secure mechanisms for authenticating vehicular entities and ensuring authorized access to restricted locations, making them vulnerable to unauthorized access and hacking threats.
Innovation Solution
The integration of memory devices with blockchain technology to verify identities and authenticate access requests using cryptographic hashes and digital signatures, creating a secure memory system that validates identity data and access requests without requiring additional components or circuitry.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If memory systems use traditional authentication methods, then device complexity is low, but security and reliability are insufficient against hacking threats
Solution Approach 1:
The memory device performs multiple functions: it serves as both the storage medium and the authentication entity. The memory device generates cryptographic keys, stores identity data, verifies authentication requests, and participates in blockchain consensus - all without requiring separate dedicated security hardware components.
Solution Approach 2:
The memory device autonomously performs authentication operations using its own stored identity data and cryptographic keys. It self-verifys access requests by consulting its internal blockchain copy and cryptographic credentials without needing external authentication infrastructure.
2Reliability
If memory systems implement blockchain technology for secure monitoring, then security and authentication reliability are improved, but device complexity increases due to additional components
Solution Approach 1:
The memory device integrates blockchain functionality directly into its existing structure. It maintains a local copy of the blockchain, generates cryptographic keys, stores identity data, and verifies authentication requests - all using its core memory architecture without adding separate blockchain hardware components.
Solution Approach 2:
The patent combines blockchain technology with memory device functionality. The identity data storage, cryptographic key management, and authentication verification are merged into the memory device's existing operations, eliminating the need for separate security modules or additional components.
3Reliability
If memory systems use cryptographic verification for each access request, then security is improved, but processing time and operational complexity increase
Solution Approach 1:
The memory device pre-generates cryptographic key pairs and stores identity data in advance. It maintains a local copy of the blockchain with pre-verified authentication data, so when access requests occur, the verification process can quickly consult pre-computed cryptographic proofs rather than performing full blockchain validation each time.
Solution Approach 2:
The memory device maintains a local copy of the blockchain specific to its identity and authentication history. This local cached version allows for rapid verification of access requests by comparing against pre-stored authentication data, avoiding the need to query the entire distributed blockchain network for each access attempt.
Data Source
AI summary
The present disclosure includes apparatuses, methods, and systems for using a local ledger block chain for secure updates. An embodiment includes a memory, and circuitry configured to receive a global block to be added to a local ledger block chain for validating an update for data stored in the memory, where the global block to be added to the local ledger block chain includes a cryptographic hash of a current local block in the local ledger block chain, a cryptographic hash of the data stored in the memory to be updated, where the current local block in the local ledger block chain has a digital signature associated therewith that indicates the global block is from an authorized entity.