Blockchain authorization information generation

1. A computer-implemented method, comprising:

receiving, from a client device by a platform comprising one or more computing devices, a request to become a blockchain node in a target blockchain, wherein the request comprises a target blockchain identifier and user information;

determining, by the platform, based on the target blockchain identifier, a target blockchain for which the platform is configured to generate authorization information, the target blockchain being one of a plurality of blockchains for which the platform is configured to generate authorization information;

determining, by the platform, a blockchain parameter of the target blockchain, wherein the blockchain parameter indicates one or more requirements for authorization information to satisfy the request to become a blockchain node in the target blockchain, and

wherein the one or more requirements are different from another one or more requirements for authorization information to satisfy a request to become a blockchain node in another blockchain of the plurality of blockchains;

generating, by the platform, blockchain authorization information based on the blockchain parameter and the user information; and

sending the generated blockchain authorization information to the client device.

2. The computer-implemented method of claim 1 , wherein generating the blockchain authorization information comprises:

determining, based on the blockchain parameter, a password generation algorithm, wherein an output of the password generation algorithm conforms to the one or more requirements; and

generating the blockchain authorization information using the password generation algorithm.

3. The computer-implemented method of claim 2 , wherein the blockchain authorization information comprises a blockchain identity certificate, and wherein generating the blockchain authorization information comprises:

generating a blockchain identity certificate request based on the user information by using the password generation algorithm; and

obtaining, based on the blockchain identity certificate request, the blockchain identity certificate.

4. The computer-implemented method of claim 3 , wherein obtaining the blockchain identity certificate comprises:

sending the blockchain identity certificate request to an authentication server for signature authentication;

receiving, from the authentication server, a signature-authenticated blockchain identity certificate request; and

using the signature-authenticated blockchain identity certificate request as the blockchain identity certificate.

5. The computer-implemented method of claim 3 , wherein obtaining the blockchain identity certificate comprises:

sending the blockchain identity certificate request to an administrator of the target blockchain for approval;

receiving, from an authentication server, a signature-authenticated blockchain identity certificate request; and

using the signature-authenticated blockchain identity certificate request as the blockchain identity certificate.

6. The computer-implemented method of claim 2 , wherein the blockchain authorization information comprises a private key, and wherein generating the blockchain authorization information comprises:

generating the private key based on the user information by using the password generation algorithm.

7. The computer-implemented method of claim 1 , wherein the one or more requirements comprise one or more of: a key format and a type of encryption algorithm used to generate the blockchain authorization information.

8. A non-transitory, computer-readable medium storing one or more instructions executable by a computer system to perform operations comprising:

receiving, from a client device by a platform comprising one or more computing devices, a request to become a blockchain node in a target blockchain, wherein the request comprises a target blockchain identifier and user information;

determining, by the platform, based on the target blockchain identifier, a target blockchain for which the platform is configured to generate authorization information, the target blockchain being one of a plurality of blockchains for which the platform is configured to generate authorization information;

determining, by the platform, a blockchain parameter of the target blockchain, wherein the blockchain parameter indicates one or more requirements for authorization information to satisfy the request to become a blockchain node in the target blockchain, and

wherein the one or more requirements are different from another one or more requirements for authorization information to satisfy a request to become a blockchain node in another blockchain of the plurality of blockchains;

generating, by the platform, blockchain authorization information based on the blockchain parameter and the user information; and

sending the generated blockchain authorization information to the client device.

9. The computer-readable medium of claim 8 , wherein generating the blockchain authorization information comprises:

determining, based on the blockchain parameter, a password generation algorithm, wherein an output of the password generation algorithm conforms to the one or more requirements; and

generating the blockchain authorization information using the password generation algorithm.

10. The computer-readable medium of claim 9 , wherein the blockchain authorization information comprises a blockchain identity certificate, and wherein generating the blockchain authorization information comprises:

generating a blockchain identity certificate request based on the user information by using the password generation algorithm; and

obtaining, based on the blockchain identity certificate request, the blockchain identity certificate.

11. The computer-readable medium of claim 10 , wherein obtaining the blockchain identity certificate comprises:

sending the blockchain identity certificate request to an authentication server for signature authentication;

receiving, from the authentication server, a signature-authenticated blockchain identity certificate request; and

using the signature-authenticated blockchain identity certificate request as the blockchain identity certificate.

12. The computer-readable medium of claim 10 , wherein obtaining the blockchain identity certificate comprises:

sending the blockchain identity certificate request to an administrator of the target blockchain for approval;

receiving, from an authentication server, a signature-authenticated blockchain identity certificate request; and

using the signature-authenticated blockchain identity certificate request as the blockchain identity certificate.

13. The computer-readable medium of claim 9 , wherein the blockchain authorization information comprises a private key, and wherein generating the blockchain authorization information comprises:

generating the private key based on the user information by using the password generation algorithm.

14. The computer-readable medium of claim 8 , wherein the one or more requirements comprise one or more of: a key format and a type of encryption algorithm used to generate the blockchain authorization information.

15. A computer-implemented system, comprising:

one or more computers; and

one or more computer memory devices interoperably coupled with the one or more computers and having tangible, non-transitory, machine-readable media storing one or more instructions that, when executed by the one or more computers, perform one or more operations comprising:

receiving, from a client device by a platform comprising one or more computing devices, a request to become a blockchain node in a target blockchain, wherein the request comprises a target blockchain identifier and user information;

determining, by the platform, based on the target blockchain identifier, a target blockchain for which the platform is configured to generate authorization information, the target blockchain being one of a plurality of blockchains for which the platform is configured to generate authorization information;

determining, by the platform, a blockchain parameter of the target blockchain, wherein the blockchain parameter indicates one or more requirements for authorization information to satisfy the request to become a blockchain node in the target blockchain, and

wherein the one or more requirements are different from another one or more requirements for authorization information to satisfy a request to become a blockchain node in another blockchain of the plurality of blockchains;

generating, by the platform, blockchain authorization information based on the blockchain parameter and the user information; and

sending the generated blockchain authorization information to the client device.

16. The computer-implemented system of claim 15 , wherein generating the blockchain authorization information comprises:

determining, based on the blockchain parameter, a password generation algorithm, wherein an output of the password generation algorithm conforms to the one or more requirements; and

generating the blockchain authorization information using the password generation algorithm.

17. The computer-implemented system of claim 16 , wherein the blockchain authorization information comprises a blockchain identity certificate, and wherein generating the blockchain authorization information comprises:

generating a blockchain identity certificate request based on the user information by using the password generation algorithm; and

obtaining, based on the blockchain identity certificate request, the blockchain identity certificate.

18. The computer-implemented system of claim 17 , wherein obtaining the blockchain identity certificate comprises:

sending the blockchain identity certificate request to an authentication server for signature authentication;

receiving, from the authentication server, a signature-authenticated blockchain identity certificate request; and

using the signature-authenticated blockchain identity certificate request as the blockchain identity certificate.

19. The computer-implemented system of claim 17 , wherein obtaining the blockchain identity certificate comprises:

sending the blockchain identity certificate request to an administrator of the target blockchain for approval;

receiving, from an authentication server, a signature-authenticated blockchain identity certificate request; and

using the signature-authenticated blockchain identity certificate request as the blockchain identity certificate.

20. The computer-implemented system of claim 15 , wherein the one or more requirements comprise one or more of: a key format and a type of encryption algorithm used to generate the blockchain authorization information.

21. The computer-implemented method of claim 1 , wherein the one or more requirements comprise a type of user information to be included in the blockchain authorization information.

22. The computer-implemented method of claim 1 , wherein blockchain parameters of the plurality of blockchains are stored locally at the platform.