Patents by Inventor Rantao Chen

Rantao Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • GUARANTEED ENCRYPTOR AUTHENTICITY
    Publication number: 20220303120
    Abstract: Embodiments described herein provide cryptographic techniques to enable a recipient of a signed message containing encrypted data to verify that the signer of the message and the encryptor of the encrypted data are the same party, or at the least, have joint possession of a common set of secret cryptographic material. These techniques can be used to harden an online payment system against interception and resigning of encrypted payment information.
    Type: Application
    Filed: June 8, 2022
    Publication date: September 22, 2022
    Applicant: Apple Inc.
    Inventors: Vishnu Pillai Janardhanan Pillai, Rantao Chen, Gianpaolo Fasoli, Frederic Jacobs, Rupamay Saha, Yannick L. Sierra, Dian Wen, Ka Yang
  • Guaranteed encryptor authenticity
    Patent number: 11405191
    Abstract: Embodiments described herein provide cryptographic techniques to enable a recipient of a signed message containing encrypted data to verify that the signer of the message and the encryptor of the encrypted data are the same party, or at the least, have joint possession of a common set of secret cryptographic material. These techniques can be used to harden an online payment system against interception and resigning of encrypted payment information.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: August 2, 2022
    Assignee: Apple Inc.
    Inventors: Vishnu Pillai Janardhanan Pillai, Rantao Chen, Gianpaolo Fasoli, Frederic Jacobs, Rupamay Saha, Yannick L. Sierra, Dian Wen, Ka Yang
  • GUARANTEED ENCRYPTOR AUTHENTICITY
    Publication number: 20210359842
    Abstract: Embodiments described herein provide cryptographic techniques to enable a recipient of a signed message containing encrypted data to verify that the signer of the message and the encryptor of the encrypted data are the same party, or at the least, have joint possession of a common set of secret cryptographic material. These techniques can be used to harden an online payment system against interception and resigning of encrypted payment information.
    Type: Application
    Filed: May 13, 2020
    Publication date: November 18, 2021
    Inventors: Vishnu Pillai Janardhanan Pillai, Rantao Chen, Gianpaolo Fasoli, Frederic Jacobs, Rupamay Saha, Yannick L. Sierra, Dian Wen, Ka Yang