Patents by Inventor Douglas N. Hoover

Douglas N. Hoover 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).

  • Pre-generation of session keys for electronic transactions and devices that pre-generate session keys for electronic transactions
    Patent number: 10460314
    Abstract: Methods and devices for pre-generating session keys for securing transactions are provided. A plurality of session cryptographic keys are generated from a master cryptographic key and a respective plurality of possible values of a transaction counter. The session cryptographic keys are encrypted to provide a plurality of encrypted session cryptographic keys, which are stored in the user terminal. The master cryptographic key is deleted from the user terminal after the session keys are generated. To secure a transaction, a cryptogram is generated based on one of the encrypted session cryptographic keys and transaction data for the transaction, and the cryptogram is transmitted to a transaction terminal. The transaction counter is updated, and the encrypted session cryptographic key is deleted from the user terminal.
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: October 29, 2019
    Assignee: CA, Inc.
    Inventors: Geoffrey R. Hird, Douglas N. Hoover
  • Alternative account identifier
    Patent number: 10223690
    Abstract: Payment instrument data is received in connection with a transaction, the data including an alternative primary account number (PAN) and an account identifier. A permanent PAN of an account is identified that is based on the account identifier. An alternative PAN associated with the permanent PAN is derived to determine whether the received alternative PAN matches the derived alternative PAN associated with the permanent PAN.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: March 5, 2019
    Assignee: CA, Inc.
    Inventors: Geoffrey R. Hird, Douglas N. Hoover
  • ALTERNATIVE ACCOUNT IDENTIFIER
    Publication number: 20160189138
    Abstract: Payment instrument data is received in connection with a transaction, the data including an alternative primary account number (PAN) and an account identifier. A permanent PAN of an account is identified that is based on the account identifier. An alternative PAN associated with the permanent PAN is derived to determine whether the received alternative PAN matches the derived alternative PAN associated with the permanent PAN.
    Type: Application
    Filed: November 27, 2013
    Publication date: June 30, 2016
    Inventors: Geoffrey R. Hird, Douglas N. Hoover
  • PRE-GENERATION OF SESSION KEYS FOR ELECTRONIC TRANSACTIONS AND DEVICES THAT PRE-GENERATE SESSION KEYS FOR ELECTRONIC TRANSACTIONS
    Publication number: 20150019442
    Abstract: Methods and devices for pre-generating session keys for securing transactions are provided. A plurality of session cryptographic keys are generated from a master cryptographic key and a respective plurality of possible values of a transaction counter. The session cryptographic keys are encrypted to provide a plurality of encrypted session cryptographic keys, which are stored in the user terminal. The master cryptographic key is deleted from the user terminal after the session keys are generated. To secure a transaction, a cryptogram is generated based on one of the encrypted session cryptographic keys and transaction data for the transaction, and the cryptogram is transmitted to a transaction terminal. The transaction counter is updated, and the encrypted session cryptographic key is deleted from the user terminal.
    Type: Application
    Filed: July 10, 2013
    Publication date: January 15, 2015
    Applicant: CA, Inc.
    Inventors: Geoffrey R. Hird, Douglas N. Hoover