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5af7f11588
Pull tpm updates from James Morris:
- Clean up the transmission flow
Cleaned up the whole transmission flow. Locking of the chip is now
done in the level of tpm_try_get_ops() and tpm_put_ops() instead
taking the chip lock inside tpm_transmit(). The nested calls inside
tpm_transmit(), used with the resource manager, have been refactored
out.
Should make easier to perform more complex transactions with the TPM
without making the subsystem a bigger mess (e.g. encrypted channel
patches by James Bottomley).
- PPI 1.3 support
TPM PPI 1.3 introduces an additional optional command parameter that
may be needed for some commands. Display the parameter if the command
requires such a parameter. Only command 23 (SetPCRBanks) needs one.
The PPI request file will show output like this then:
# echo "23 16" > request
# cat request
23 16
# echo "5" > request
# cat request
5
- Extend all PCR banks in IMA
Instead of static PCR banks array, the array of available PCR banks
is now allocated dynamically. The digests sizes are determined
dynamically using a probe PCR read without relying crypto's static
list of hash algorithms.
This should finally make sealing of measurements in IMA safe and
secure.
- TPM 2.0 selftests
Added a test suite to tools/testing/selftests/tpm2 previously outside
of the kernel tree: https://github.com/jsakkine-intel/tpm2-scripts
* 'next-tpm' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: (37 commits)
tpm/ppi: Enable submission of optional command parameter for PPI 1.3
tpm/ppi: Possibly show command parameter if TPM PPI 1.3 is used
tpm/ppi: Display up to 101 operations as define for version 1.3
tpm/ppi: rename TPM_PPI_REVISION_ID to TPM_PPI_REVISION_ID_1
tpm/ppi: pass function revision ID to tpm_eval_dsm()
tpm: pass an array of tpm_extend_digest structures to tpm_pcr_extend()
KEYS: trusted: explicitly use tpm_chip structure from tpm_default_chip()
tpm: move tpm_chip definition to include/linux/tpm.h
tpm: retrieve digest size of unknown algorithms with PCR read
tpm: rename and export tpm2_digest and tpm2_algorithms
tpm: dynamically allocate the allocated_banks array
tpm: remove @flags from tpm_transmit()
tpm: take TPM chip power gating out of tpm_transmit()
tpm: introduce tpm_chip_start() and tpm_chip_stop()
tpm: remove TPM_TRANSMIT_UNLOCKED flag
tpm: use tpm_try_get_ops() in tpm-sysfs.c.
tpm: remove @space from tpm_transmit()
tpm: move TPM space code out of tpm_transmit()
tpm: move tpm_validate_commmand() to tpm2-space.c
tpm: clean up tpm_try_transmit() error handling flow
...
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|---|---|---|
| .. | ||
| encrypted-keys | ||
| big_key.c | ||
| compat_dh.c | ||
| compat.c | ||
| dh.c | ||
| gc.c | ||
| internal.h | ||
| Kconfig | ||
| key.c | ||
| keyctl_pkey.c | ||
| keyctl.c | ||
| keyring.c | ||
| Makefile | ||
| permission.c | ||
| persistent.c | ||
| proc.c | ||
| process_keys.c | ||
| request_key_auth.c | ||
| request_key.c | ||
| sysctl.c | ||
| trusted.c | ||
| user_defined.c | ||