Patents Assigned to Brickell Cryptology LLC
  • Secure transfer of protected application storage keys with change of trusted computing base
    Patent number: 11405201
    Abstract: Methods and apparati for securely transferring application storage keys in an application in a trusted computing environment, when the trusted computing base is modified. In an apparatus embodiment of the present invention, a computing device comprises: a protected partition in which an application can execute without attack from outside a trusted computing base of the partition; and a storage key derivation module which provides a first storage key to said application, where the value of the first storage key is derived from a computation dependent upon a first version of the trusted computing base that is launched on the platform.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: August 2, 2022
    Assignee: Brickell Cryptology LLC
    Inventor: Ernest Brickell
  • Confirming receipt of audit records for audited use of a cryptographic key
    Patent number: 11398906
    Abstract: Methods and apparati for auditing uses of audited cryptographic keys.
    Type: Grant
    Filed: December 17, 2021
    Date of Patent: July 26, 2022
    Assignee: BRICKELL CRYPTOLOGY LLC
    Inventor: Ernest Brickell
  • CONFIRMING RECEIPT OF AUDIT RECORDS FOR AUDITED USE OF A CRYPTOGRAPHIC KEY
    Publication number: 20220109567
    Abstract: Methods and apparati for auditing uses of audited cryptographic keys.
    Type: Application
    Filed: December 17, 2021
    Publication date: April 7, 2022
    Applicant: Brickell Cryptology LLC
    Inventor: Ernest Brickell
  • SECURE TRANSFER OF PROTECTED APPLICATION STORAGE KEYS WITH CHANGE OF TRUSTED COMPUTING BASE
    Publication number: 20220094538
    Abstract: Methods and apparati for securely transferring application storage keys in an application in a trusted computing environment, when the trusted computing base is modified. In an apparatus embodiment of the present invention, a computing device comprises: a protected partition in which an application can execute without attack from outside a trusted computing base of the partition; and a storage key derivation module which provides a first storage key to said application, where the value of the first storage key is derived from a computation dependent upon a first version of the trusted computing base that is launched on the platform.
    Type: Application
    Filed: December 7, 2021
    Publication date: March 24, 2022
    Applicant: Brickell Cryptology LLC
    Inventor: Ernest Brickell