Skip to content

Add ReadPCRsRaw() to tpm2 #313

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
axlprv wants to merge 1 commit into
base: master
Choose a base branch
from
Open

Add ReadPCRsRaw() to tpm2 #313

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
13 changes: 12 additions & 1 deletion tpm2/tpm2.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -183,6 +183,17 @@ func decodeReadPCRs(in []byte) (map[int][]byte, error) {
// This is only a wrapper over TPM2_PCR_Read() call, thus can only return
// at most 8 PCRs digests.
func ReadPCRs(rw io.ReadWriter, sel PCRSelection) (map[int][]byte, error) {
resp, err := ReadPCRsRaw(rw, sel)
if err != nil {
return nil, err
}

return decodeReadPCRs(resp)
}

// ReadPCRsRaw is very similar to ReadPCRs, except that it will return
// the raw response of TPM2_PCR_Read() in a byte array without decoding.
func ReadPCRsRaw(rw io.ReadWriter, sel PCRSelection) ([]byte, error) {
Cmd, err := encodeTPMLPCRSelection(sel)
if err != nil {
return nil, err
Expand All @@ -192,7 +203,7 @@ func ReadPCRs(rw io.ReadWriter, sel PCRSelection) (map[int][]byte, error) {
return nil, err
}

return decodeReadPCRs(resp)
return resp, nil
}

func decodeReadClock(in []byte) (uint64, uint64, error) {
Expand Down