github.com/u-root/u-root@v7.0.1-0.20200915234505-ad7babab0a8e+incompatible/pkg/tss/constants.go (about)

     1  // Copyright 2020 the u-root Authors. All rights reserved
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  package tss
     6  
     7  // TPMVersion is used to configure a preference in
     8  // which TPM to use, if multiple are available.
     9  type TPMVersion uint8
    10  
    11  // TPM versions
    12  const (
    13  	TPMVersionAgnostic TPMVersion = iota
    14  	TPMVersion12
    15  	TPMVersion20
    16  )
    17  
    18  const (
    19  	nvPerOwnerRead = 0x00100000
    20  	nvPerAuthRead  = 0x00200000
    21  )
    22  
    23  // TPMInterface indicates how the client communicates
    24  // with the TPM.
    25  type TPMInterface uint8
    26  
    27  // TPM interfaces
    28  const (
    29  	TPMInterfaceDirect TPMInterface = iota
    30  	TPMInterfaceKernelManaged
    31  	TPMInterfaceDaemonManaged
    32  )