# US 2026/0100852 A1 · Systems and Methods for Vehicle Charging Using Encrypted Certificates > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2026/0100852 A1 - Document ID: US20260100852A1 - Status: Published application - Kind: A1 - Application number: 19/334,797 - Filed: 2025-09-19 - Published: 2026-04-09 - Earliest claimed: 2024-10-08 - Assignees: Daimler Truck AG - Applicants: Daimler Truck AG - Inventors: Sashank Mani Vedula; Ashish Baban Bansod; Sathish Vijayaraghavan; Torsten Lehmann - Web page: https://patentgrep.com/patent/US20260100852A1 ## CPC - H04L 9/3268: {using certificate validation, registration, distribution or revocation, e.g. certificate revocation list [CRL]} - H04L 9/0861: {Generation of secret information including derivation or calculation of cryptographic keys or passwords} - H04L 9/3263: {involving certificates, e.g. public key certificate [PKC] or attribute certificate [AC]; Public key infrastructure [PKI] arrangements (network architectures or network communication protocols for supporting authentication of entities using certificates in a packet data network H04L63/0823)} - H04L 2209/84: Vehicles - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract The various implementations described herein include methods and devices for equipment authentication for electric vehicle charging. In one aspect, a method includes receiving a plurality of test results for a vehicle charging component and generating an encryption key, a corresponding decryption key, and an encrypted certificate for the vehicle charging component. The method also includes providing the encrypted certificate and the decryption key to the vehicle charging component. In another aspect, a method performed at a vehicle charging component includes detecting an electrical connection at a charging port of the vehicle charging component, determining that the electrical connection corresponds to a request to begin a charging process with a charging partner, and transmitting an encrypted certificate and a decryption key to the charging partner. The encrypted certificate includes encrypted test results for the vehicle charging component, and the decryption key can be used to decrypt the encrypted certificate. ## Claims ### Claim 1 A method, comprising: receiving a plurality of test results for a vehicle charging component, each test result corresponding to a respective predefined test of the vehicle charging component; generating an encryption key and a corresponding decryption key; generating an encrypted certificate for the vehicle charging component according to the encryption key; and providing the encrypted certificate and the decryption key to the vehicle charging component. ### Claim 2 (depends on 1) The method of claim 1, wherein the plurality of test results includes: (i) results of one or more tests for compliance to industry standards and (ii) results of one or more safety tests. ### Claim 3 (depends on 2) The method of claim 2, wherein the one or more safety tests include one or more hardware tests of the vehicle charging component. ### Claim 4 (depends on 1) The method of claim 1, wherein a first test result of the plurality of test results indicates whether the vehicle charging component passed or failed a first predefined test. ### Claim 5 (depends on 1) The method of claim 1, wherein the vehicle charging component is a private charging station, a public charging station, an electric vehicle, or an electric vehicle charging accessory. ### Claim 6 (depends on 1) The method of claim 1, wherein the vehicle charging component is a charging cable. ### Claim 7 (depends on 1) The method of claim 1, wherein the vehicle charging component is configured to, in response to receiving a request for safety validation from a requester, transmit the encrypted certificate and the decryption key to the requester. ### Claim 8 A computing device, comprising: one or more processors; memory; and one or more programs stored in the memory and configured for execution by the one or more processors, the one or more programs comprising instructions for: receiving a plurality of test results for a vehicle charging component, each test result corresponding to a respective predefined test of the vehicle charging component; generating an encryption key and a corresponding decryption key; generating an encrypted certificate for the vehicle charging component according to the encryption key; and providing the encrypted certificate and the decryption key to the vehicle charging component. ### Claim 9 (depends on 8) The computing device of claim 8, wherein the plurality of test results includes: (i) results of one or more tests for compliance to industry standards and (ii) results of one or more safety tests. ### Claim 10 (depends on 9) The computing device of claim 9, wherein the one or more safety tests include one or more hardware tests of the vehicle charging component. ### Claim 11 (depends on 8) The computing device of claim 8, wherein a first test result of the plurality of test results indicates whether the vehicle charging component passed or failed a first predefined test. ### Claim 12 (depends on 8) The computing device of claim 8, wherein the vehicle charging component is a private charging station, a public charging station, an electric vehicle, an electric vehicle charging accessory, or a charging cable. ### Claim 13 (depends on 8) The computing device of claim 8, the vehicle charging component is configured to, in response to receiving a request for safety validation from a requester, transmit the encrypted certificate and the decryption key to the requester. ### Claim 14 A non-transitory computer-readable storage medium storing one or more programs configured for execution by a computing device having one or more processors and memory, the one or more programs comprising instructions for: receiving a plurality of test results for a vehicle charging component, each test result corresponding to a respective predefined test of the vehicle charging component; generating an encryption key and a corresponding decryption key; generating an encrypted certificate for the vehicle charging component according to the encryption key; and providing the encrypted certificate and the decryption key to the vehicle charging component. ### Claim 15 (depends on 14) The non-transitory computer-readable storage medium of claim 14, wherein the plurality of test results includes: (i) results of one or more tests for compliance to industry standards and (ii) results of one or more safety tests. ### Claim 16 (depends on 15) The non-transitory computer-readable storage medium of claim 15, wherein the one or more safety tests include one or more hardware tests of the vehicle charging component. ### Claim 17 (depends on 14) The non-transitory computer-readable storage medium of claim 14, wherein a first test result of the plurality of test results indicates whether the vehicle charging component passed or failed a first predefined test. ### Claim 18 (depends on 14) The non-transitory computer-readable storage medium of claim 14, wherein the vehicle charging component is a private charging station, a public charging station, an electric vehicle, an electric vehicle charging accessory, or a charging cable. ### Claim 19 (depends on 14) The non-transitory computer-readable storage medium of claim 14, wherein the vehicle charging component is configured to, in response to receiving a request for safety validation from a requester, transmit the encrypted certificate and the decryption key to the requester.