Patents by Inventor Daniel ROCHA FURTADO

Daniel ROCHA FURTADO 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).

  • Method for secure management of secrets in a hierarchical multi-tenant environment
    Patent number: 11463251
    Abstract: The present invention relates to a method of securely using a first tenant secret key stored under an encrypted form in a first token (TKA) of a first tenant (A) identified by a first tenant identifier (UIDA) and having said first tenant secret key, wherein: each tenant identifier (UIDT) for a tenant (T) comprises a first value and, when said tenant (T) is allowed to use a secret key of a parent tenant (Tp) identified by a parent tenant identifier (UIDTP), said parent tenant identifier, appended before said first value, and said first token (TKA) has been generated from said first tenant identifier (UIDA) and a first tenant secret key encrypted with said first tenant identifier (UIDA) and with a first tenant customer master key (CMKA), said first tenant customer master key (CMKA) having been derived from said first tenant identifier (UIDA) and a secure domain master key (SDMK), said method comprising the following steps performed by a secure device storing said secure domain master key (SDMK), on request of a
    Type: Grant
    Filed: December 14, 2017
    Date of Patent: October 4, 2022
    Assignee: THALES DIS FRANCE SAS
    Inventors: Dominique Lacouture, Patrick Lambert, Daniel Rocha Furtado
  • METHOD FOR SECURE MANAGEMENT OF SECRETS IN A HIERARCHICAL MULTI-TENANT ENVIRONMENT
    Publication number: 20200092096
    Abstract: The present invention relates to a method of securely using a first tenant secret key stored under an encrypted form in a first token (TKA) of a first tenant (A) identified by a first tenant identifier (UIDA) and having said first tenant secret key, wherein: each tenant identifier (UIDT) for a tenant (T) comprises a first value and, when said tenant (T) is allowed to use a secret key of a parent tenant (Tp) identified by a parent tenant identifier (UIDTP), said parent tenant identifier, appended before said first value, and said first token (TKA) has been generated from said first tenant identifier (UIDA) and a first tenant secret key encrypted with said first tenant identifier (UIDA) and with a first tenant customer master key (CMKA), said first tenant customer master key (CMKA) having been derived from said first tenant identifier (UIDA) and a secure domain master key (SDMK), said method comprising the following steps performed by a secure device storing said secure domain master key (SDMK), on request of a
    Type: Application
    Filed: December 14, 2017
    Publication date: March 19, 2020
    Inventors: Dominique LACOUTURE, Patrick LAMBERT, Daniel ROCHA FURTADO