Blockchain Single Sign-On (SSO) Solution

Blockchain Single Sign-On (SSO) Solution

Blockchain Single Sign-On System:

System Overview: This system uses blockchain technology to interconnect different organizational systems, each with a blockchain node and an application programming interface (API). Users can access multiple related but independent software systems through a single login credential.

Blockchain Nodes and Smart Contracts: Blockchain nodes manage user registration and login credentials through smart contracts to ensure the security and immutability of credentials.

Registration Process:

Registration Request: The user device sends registration credentials (such as username and password) to the API.

Hash Password Generation: The API generates a hash password based on the registration credentials and sends it to the blockchain node along with the registration request.

Smart Contract Verification and Storage: The smart contract verifies whether the registration credentials exist. If not, the registration data is written to the blockchain and the stored registration data is updated.

Login Process:

Login Request: The user device sends the login credentials to the API.

Hash Password Generation and Verification: The API generates a hash password based on the login credentials and sends the login request to the blockchain node. The smart contract searches the blockchain to verify whether the login credentials match the stored login credentials.

Single sign-on token generation: If the login credentials match, the API generates a single sign-on token and sends it to the user device.

Single sign-on token usage:

Token verification and authorization: When the user device uses the single sign-on token to access other organizational systems, the API verifies the validity of the token and authorizes access.

Token contains information: The single sign-on token may contain a user identifier, token expiration time, client device data, and one or more access restrictions.

Advantages of blockchain technology:

Data cannot be tampered with: As a distributed and tamper-proof data storage, blockchain improves the security of the single sign-on system.

Simplified registration and login: The registration and login process is automatically managed through smart contracts, which simplifies operations and reduces manual intervention.

Fast verification and authorization: Due to the efficiency of the blockchain network, the verification process of registration and login can be completed almost instantly.

System scalability:

Easy to integrate: Any third-party platform or system can easily integrate the single sign-on solution without complex integration work.

Support multiple organizational systems: The system can be expanded to connect any number of organizational systems, suitable for large enterprises or cross-organizational collaboration scenarios.

Security and Privacy:

Public and private key cryptography: The system may use public and private key cryptography to ensure the security of the single sign-on token.

Access restrictions: The single sign-on token can contain access restrictions to ensure that users can only access systems or services for which they are authorized.

Short answer questions and answers:

Which technical solution is described?

Answer: A single sign-on (SSO) solution using blockchain technology is described.

In the proposed system, what key components does each organizational system need to have?

Answer: In the proposed system, each organizational system needs to have a blockchain node and an application programming interface (API).

What role does the blockchain node play in the registration process?

Answer: In the registration process, the blockchain node verifies whether the registration credentials (such as username and password) already exist through smart contracts. If not, it writes them to the blockchain and updates the stored registration data.

How does the API generate a single sign-on token during the login process?

Answer: During the login process, the API first generates a hashed password based on the login credentials sent by the user's device and sends it to the blockchain node. After the blockchain node verifies the login credentials through the smart contract, it sends a confirmation to the API if they match. After receiving the confirmation, the API generates a single sign-on token and sends it to the user's device.

What possible information does the single sign-on token contain?

Answer: The single sign-on token may contain a user identifier, token expiration time, client device data, and one or more access restrictions.

What are the main advantages of using blockchain technology for single sign-on systems?

Answer: The main advantages of using blockchain technology for single sign-on systems include data immutability, simplified registration and login processes, fast verification and authorization, and improved overall system security and efficiency.

How to ensure the security of single sign-on tokens?

Answer: The security of single sign-on tokens may be ensured through public and private key encryption technology. The token may contain a digital signature. The API uses the public key to verify the validity of the signature when verifying the token. In addition, the token can also contain access restrictions to ensure that users can only access their authorized systems or services.