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41 lines
705 B
Go
41 lines
705 B
Go
/*
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Copyright (c) Edgeless Systems GmbH
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SPDX-License-Identifier: AGPL-3.0-only
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*/
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package vtpm
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import (
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"io"
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"github.com/google/go-tpm/tpm2"
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)
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// TPMOpenFunc opens a TPM device.
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type TPMOpenFunc func() (io.ReadWriteCloser, error)
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// OpenVTPM opens the vTPM at `TPMPath`.
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func OpenVTPM() (io.ReadWriteCloser, error) {
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return tpm2.OpenTPM()
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}
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type nopTPM struct{}
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// OpenNOPTPM returns a NOP io.ReadWriteCloser that can be used as a TPM.
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func OpenNOPTPM() (io.ReadWriteCloser, error) {
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return &nopTPM{}, nil
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}
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func (t nopTPM) Read(p []byte) (int, error) {
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return len(p), nil
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}
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func (t nopTPM) Write(p []byte) (int, error) {
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return len(p), nil
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}
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func (t nopTPM) Close() error {
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return nil
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}
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