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6c206fab58
The tpmrm0 is a kernel-managed version of tpm0 that multiplexes multiple concurrent connections. The basic tpm0 can only be accessed by one application at a time, which can be pretty unreliable. Updates #15830 Signed-off-by: Andrew Lytvynov <awly@tailscale.com>
18 lines
363 B
Go
18 lines
363 B
Go
// Copyright (c) Tailscale Inc & AUTHORS
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// SPDX-License-Identifier: BSD-3-Clause
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package tpm
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import (
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"github.com/google/go-tpm/tpm2/transport"
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"github.com/google/go-tpm/tpm2/transport/linuxtpm"
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)
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func open() (transport.TPMCloser, error) {
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tpm, err := linuxtpm.Open("/dev/tpmrm0")
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if err == nil {
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return tpm, nil
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}
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return linuxtpm.Open("/dev/tpm0")
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}
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