Securely executing smart contract operations in a trusted execution environment
US10839070B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2019 |
| Grant date | Nov 17, 2020 |
| Priority date | — |
| Expiry date | Oct 31, 2039 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2209/56
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Disclosed herein are methods, systems, and apparatus for securely executing smart contract operations in a trusted execution environment (TEE). One of the methods includes receiving, by a blockchain node participating in a blockchain network, a request to execute one or more software instructions in a service TEE hosted by the blockchain node, wherein the request is encrypted by a public key associated with the service TEE; decrypting the request with a first private key associated with the service TEE, wherein the first private key is paired with the public key; in response to decrypting the request, executing the one or more software instructions to produce an execution result; encrypting the execution result with a client encryption key associated with the service TEE to produce an encrypted result; and signing the encrypted result using a second private key associated with the TEE to produce a signed encrypted result.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.