func main() {
var blobname = flag.String("blob", "aikblob", "The name of the file to create")
var tpmname = flag.String("tpm", "/dev/tpm0", "The path to the TPM device to use")
flag.Parse()
rwc, err := tpm.OpenTPM(*tpmname)
if err != nil {
fmt.Fprintf(os.Stderr, "Couldn't open the TPM file %s: %s\n", *tpmname, err)
return
}
// Compute the auth values as needed.
var ownerAuth [20]byte
ownerInput := os.Getenv(ownerAuthEnvVar)
if ownerInput != "" {
oa := sha1.Sum([]byte(ownerInput))
copy(ownerAuth[:], oa[:])
}
var srkAuth [20]byte
srkInput := os.Getenv(srkAuthEnvVar)
if srkInput != "" {
sa := sha1.Sum([]byte(srkInput))
copy(srkAuth[:], sa[:])
}
var aikAuth [20]byte
aikInput := os.Getenv(aikAuthEnvVar)
if aikInput != "" {
aa := sha1.Sum([]byte(aikInput))
copy(aikAuth[:], aa[:])
}
// TODO(tmroeder): add support for Privacy CAs.
blob, err := tpm.MakeIdentity(rwc, srkAuth[:], ownerAuth[:], aikAuth[:], nil, nil)
if err != nil {
fmt.Fprintf(os.Stderr, "Couldn't make an new AIK: %s\n", err)
return
}
if err := ioutil.WriteFile(*blobname, blob, 0600); err != nil {
fmt.Fprintf(os.Stderr, "Couldn't write to file %s: %s\n", *blobname, err)
return
}
return
}
func main() {
var tpmname = flag.String("tpm", "/dev/tpm0", "The path to the TPM device to use")
flag.Parse()
rwc, err := tpm.OpenTPM(*tpmname)
if err != nil {
fmt.Fprintf(os.Stderr, "Couldn't open the TPM file %s: %s\n", *tpmname, err)
return
}
// Compute the auth values as needed.
var ownerAuth [20]byte
ownerInput := os.Getenv(ownerAuthEnvVar)
if ownerInput != "" {
oa := sha1.Sum([]byte(ownerInput))
copy(ownerAuth[:], oa[:])
}
var srkAuth [20]byte
srkInput := os.Getenv(srkAuthEnvVar)
if srkInput != "" {
sa := sha1.Sum([]byte(srkInput))
copy(srkAuth[:], sa[:])
}
pubek, err := tpm.ReadPubEK(rwc)
if err != nil {
fmt.Fprintf(os.Stderr, "Couldn't read the endorsement key: %s\n", err)
return
}
if err := tpm.TakeOwnership(rwc, ownerAuth, srkAuth, pubek); err != nil {
fmt.Fprintf(os.Stderr, "Couldn't take ownership of the TPM: %s\n", err)
return
}
return
}
func main() {
var tpmname = flag.String("tpm", "/dev/tpm0", "The path to the TPM device to use")
flag.Parse()
rwc, err := tpm.OpenTPM(*tpmname)
if err != nil {
fmt.Fprintf(os.Stderr, "Couldn't open the TPM file %s: %s\n", *tpmname, err)
return
}
var ownerAuth [20]byte
ownerInput := os.Getenv(ownerAuthEnvVar)
if ownerInput != "" {
oa := sha1.Sum([]byte(ownerInput))
copy(ownerAuth[:], oa[:])
}
if err := tpm.OwnerClear(rwc, ownerAuth); err != nil {
fmt.Fprintf(os.Stderr, "Couldn't clear the TPM using owner auth: %s\n", err)
return
}
return
}