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Extensible Firmware Interface Specification
15-70 12/01/02 Version 1.10
Parameters
Initialize Initializes an application instance of the EFI_BIS protocol, returning a
handle for the application instance. Other functions in the EFI_BIS
protocol require a valid application instance handle obtained from this
function. See the Initialize()
function description.
Shutdown Ends the lifetime of an application instance of the EFI_BIS protocol,
invalidating its application instance handle. The application instance
handle may no longer be used in other functions in the EFI_BIS
protocol. See the Shutdown()
function description.
Free Frees memory structures allocated and returned by other functions in the
EFI_BIS protocol. See the Free()
function description.
GetBootObjectAuthorizationCertificate
Retrieves the current digital certificate (if any) used by the EFI_BIS
protocol as the source of authorization for verifying boot objects and
altering configuration parameters. See the
GetBootObjectAuthorizationCertificate()
function
description.
GetBootObjectAuthorizationCheckFlag
Retrieves the current setting of the authorization check flag that indicates
whether or not authorization checks are required for boot objects. See
the GetBootObjectAuthorizationCheckFlag()
function
description.
GetBootObjectAuthorizationUpdateToken
Retrieves an uninterpreted token whose value gets included and signed in
a subsequent request to alter the configuration parameters, to protect
against attempts to “replay” such a request. See the
GetBootObjectAuthorizationUpdateToken()
function
description.
GetSignatureInfo
Retrieves information about the digital signature algorithms supported
and the identity of the installed authorization certificate, if any. See the
GetSignatureInfo()
function description.
UpdateBootObjectAuthorization
Requests that the configuration parameters be altered by installing or
removing an authorization certificate or changing the setting of the check
flag. See the UpdateBootObjectAuthorization()
function
description.