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Hallyn" , linux-kernel@vger.kernel.org, linux-security-module@vger.kernel.org Date: Tue, 21 May 2024 08:33:14 -0400 In-Reply-To: References: <20240519235122.3380-1-jarkko@kernel.org> <20240519235122.3380-2-jarkko@kernel.org> <850862655008f84ef0b6ecd99750e8dc395304d1.camel@gmail.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.42.4 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 7bit On Tue, 2024-05-21 at 10:10 +0300, Jarkko Sakkinen wrote: > This benchmark could be done in user space using /dev/tpm0. Let's actually try that. If you have the ibmtss installed, the command to time primary key generation from userspace on your tpm is time tsscreateprimary -hi n -ecc nistp256 And just for chuckles and grins, try it in the owner hierarchy as well (sometimes slow TPMs cache this) time tsscreateprimary -hi o -ecc nistp256 And if you have tpm2 tools, the above commands should be: time tpm2_createprimary -C n -G ecc256 time tpm2_createprimary -C o -G ecc256 James