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Libtpms-based TPM emulator with socket, character device, and Linux CUSE interface.
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Stefan Berger 7622a6e51d swtpm: Check for sysconf returning bad size for _SC_PAGESIZE (CID 440365) 
Catch the unlikely case that sysconf returns 0 for _SC_PAGESIZE and avoid
integer overflow with the pagesize calculation, that should never occur if
pagesize is within normal limits. Also ensure that no overflow happens
with the msync_count variable.

On 64bit machines, casting count to size_t could work but would not work on
32bit platforms where size_t is the same as uint32_t, so the overflow
complain would not go away there.

Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
2025-05-29 10:03:32 -04:00
.github ci: Update from ubuntu-20.04 to ubuntu-24.04 due to EOL 2025-04-16 16:38:52 -04:00
debian debian: Do not user parallel testing to avoid timeouts 2025-04-29 21:32:07 -04:00
include swtpm: Make swtpm compilable on GNU/Hurd systems 2025-04-28 20:38:14 -04:00
man swtpm: Display error for backup option on linear storage backend 2025-05-28 07:29:44 -04:00
samples samples: Have 2 more files shellcheck'ed 2025-05-02 09:50:19 -04:00
src swtpm: Check for sysconf returning bad size for _SC_PAGESIZE (CID 440365) 2025-05-29 10:03:32 -04:00
tests tests: Extend existing test case to use the new fsync option 2025-05-27 16:28:39 -04:00
.gitignore selinux: Redevelop SELinux policy for Fedora 40 (ditch old rules) 2024-05-27 20:06:17 -04:00
.travis.yml Travis: Downgrade to setuptools 59.6.0 to avoid error in 71.x 2024-12-02 15:24:57 -05:00
autogen.sh build-sys: Create m4 directory on older systems 2018-12-15 10:06:03 -05:00
CHANGES CHANGES: Add documentation for changes in 0.10.0 2024-11-15 14:19:43 -05:00
configure.ac cuse: add libfuse3 support 2025-05-22 10:47:23 -04:00
COPYING initial check-in 2014-12-05 11:16:03 -05:00
DCO1.1.txt Replace the CLA with the DCO, simply requiring a Signed-off-by: 2016-12-21 11:11:48 -05:00
docker-compose.yml ci: add testing via docker compose 2024-07-18 16:48:21 -04:00
Dockerfile Dockerfile: Fix casing of 'as' 2024-09-25 07:20:37 -04:00
INSTALL docs: Update INSTALL document 2021-07-21 09:04:24 -04:00
LICENSE swtpm: Replace the CUSE TPM with the new implementation 2015-12-07 15:01:57 -05:00
Makefile.am samples: swtpm-create-tpmca: Fix shellcheck issues and add to syntax-check target 2023-02-22 17:27:05 -05:00
README docu: Cut down the README to its minimum 2018-09-24 17:48:41 -04:00
run_tests tests: Run all tests again in run_test 2020-04-07 17:14:10 -04:00
swtpm.spec swtpm.spec: Change the order of uninstallation of the SELinux modules 2025-04-09 17:53:57 -04:00
swtpm.spec.in swtpm.spec: Apply previous changes also to swtpm.spec.in 2025-04-11 18:20:50 -04:00
TODO Adding RHEL/Centos status info 2016-06-26 20:03:43 -04:00

README 

SWTPM - Software TPM Emulator
      David Safford safford@us.ibm.com
      Stefan Berger stefanb@us.ibm.com

The SWTPM package provides TPM emulators with different front-end interfaces
to libtpms. TPM emulators provide socket interfaces (TCP/IP and Unix) and
the Linux CUSE interface for the creation of multiple native /dev/vtpm* devices.

The SWTPM package also provides several tools for using the TPM emulator,
creating certificates for a TPM, and simulating the manufacturing of
a TPM by creating a TPM's EK and platform certificates etc. Please read 
the READMEs in the individual tool's directory under src/.

Please consult the Wiki for information about swtpm:

   https://github.com/stefanberger/swtpm/wiki