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efa698bed82f27e403537b7ecf82743e696d17ef
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13 Commits

Author SHA1 Message Date
Akhil R
efa698bed8 crypto: tegra: Do not use IV for AES ECB 
It may happen that the variable req->iv may have stale values or
zero sized buffer by default and may end up getting used during
encryption/decryption. This in turn may corrupt the results or break
the operation. Ensure not use IV for algorithms like AES ECB where IV
is not expected.

Bug 4883011

Change-Id: I309ad26f99fe54005ff71b270b3b115dc62ac168
Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3319062
(cherry picked from commit 4b72ba2c83)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3322768
Tested-by: Brad Griffis <bgriffis@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Brad Griffis <bgriffis@nvidia.com>
 2025-03-20 09:43:41 -07:00
Akhil R
e7bf6f1444 crypto: tegra: Reserve keyslots to allocate dynamically 
The HW supports only storing 15 keys at a time. This limits the number
of tfms that can work without failutes. Reserve keyslots to solve this
and use the reserved ones during the encryption/decryption operation.
This allow users to have the capability of hardware protected keys
and faster operations if there are limited number of tfms while not
halting the operation if there are more tfms.

Bug 4883011

Change-Id: I220f1e8205dde1f078be6ed4cb09b699b6d5dfa2
Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3263283
(cherry picked from commit 15d7ca57b1)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3322767
Tested-by: Brad Griffis <bgriffis@nvidia.com>
Reviewed-by: Brad Griffis <bgriffis@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
 2025-03-20 09:43:35 -07:00
Akhil R
e228deeef1 crypto: tegra: Use separate buffer setkey 
Use a separate buffer for setkey operation. setkey() is called
asynchronous to crypto engine APIs. This causes concurrency issues in
the tegra engine oprations.

Bug 4883011

Change-Id: I1ec7d0a041ee8a0a0bf350d2f3e9915091993034
Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3263282
(cherry picked from commit 2f3c077115)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3322626
Tested-by: Brad Griffis <bgriffis@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Brad Griffis <bgriffis@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
 2025-03-20 09:43:29 -07:00
Brad Griffis
36a712b801 Revert "crypto: tegra: Use separate buffer for each host1x command" 
This reverts commit f6c3d49e92.

Reason for revert: Optimize implementation and align with upstream.

Bug 4883011

Change-Id: I32fe35daa30ddb5a272dbeee0c3316134e9ca55b
Signed-off-by: Brad Griffis <bgriffis@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3321697
(cherry picked from commit efeb1061bb)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3322625
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
 2025-03-20 09:43:23 -07:00
Akhil R
087418781c crypto: tegra: Use separate buffer for each host1x command 
Allocate separate buffer for each host1x command. The single buffer used
for host1x commands can get corrupted when independent crypto operations
overlap.

Bug 4883011

Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Change-Id: I43029364c8e65e5014a5b7068cb45225c039aaf8
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3248913
(cherry picked from commit f6c3d49e92)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3262770
Reviewed-by: Brad Griffis <bgriffis@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Tested-by: Brad Griffis <bgriffis@nvidia.com>
Reviewed-by: Amulya Yarlagadda <ayarlagadda@nvidia.com>
 2024-12-17 15:56:55 -08:00
Akhil R
f41b74b8c3 crypto: tegra: Fix size of buffer allocated 
Allocate the buffer based on the request instead of a fixed buffer
length. In operations which may require larger buffer size, a fixed
buffer may fail. Similar patch was added for AES algorithms. Fix the
same for HASH algorithms as well.

Bug 4908156

Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Change-Id: Idd2c1ceae1a85434a5a51154a17dce8c927bb66c
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3234055
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
(cherry picked from commit 3415677f0f)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3235205
 2024-10-24 08:31:48 -07:00
Bitan Biswas
f3b12ead83 crypto: fix crypto_engine_ctx build error 
struct crypto_engine_ctx removed in k6.6 hence use
conftest helper based macro to select updated data types

Bug 4346767

Signed-off-by: Bitan Biswas <bbiswas@nvidia.com>
Change-Id: Iaf565c4ef74fdd87ea0020b369bc3d882d32326e
Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3176823
Reviewed-by: svcacv <svcacv@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
(cherry picked from commit cba663d0db)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3196067
 2024-08-26 04:08:59 -07:00
Akhil R
f73208daa3 crypto: tegra: Fix size of buffer allocated 
Allocate the buffer based on the request instead of a fixed buffer
length. In operations which may require larger buffer size, a fixed
buffer may fail.

Bug 4798264

Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Change-Id: I0eac3e04aed89b07f5674cf69828d3ac0801a6c7
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3194058
(cherry picked from commit 01bdbd8a6679a5e31d0a06e5f21cd20cf0600ba6)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3199308
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Paritosh Dixit <paritoshd@nvidia.com>
Tested-by: Brad Griffis <bgriffis@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
Reviewed-by: Brad Griffis <bgriffis@nvidia.com>
 2024-08-24 15:24:02 -07:00
Akhil R
80c7d7a67b crypto: tegra: Align with upstream 
Fix the known bugs in the SE driver and align the driver with the
upstream version

Bug 4488964

Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Change-Id: I6efa471b6efcd161d36167a0784185f3e0266d7c
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3124250
(cherry picked from commit abb0a027b2)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3196063
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
 2024-08-20 02:24:41 -07:00
Bitan Biswas
34fd7d68dc crypto: fix crypto_engine_ctx build error 
struct crypto_engine_ctx removed in k6.6 hence use
conftest helper based macro to select updated data types

Bug 4346767

Change-Id: I2c00f99251e90f0dd3641703ba24a2a8ac23e927
Signed-off-by: Bitan Biswas <bbiswas@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2994021
(cherry picked from commit 48e59e9d42)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3053820
Reviewed-by: Jonathan Hunter <jonathanh@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
Tested-by: Jonathan Hunter <jonathanh@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
 2024-01-16 14:56:04 -08:00
Akhil R
7cf41996cb crypto: tegra: Free CMAC fallback tfm during exit 
Free the CMAC fallback tfm to fix the memory leak during CMAC operation.
The fallback tfm is setup during init but never freed.

Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Change-Id: Icb9ccf330f94e93459c241ed7105a221832c0514
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2998701
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
 2023-10-22 03:23:04 -07:00
Akhil R
3926014666 crypto: tegra: Fix coverity and CERT C defects 
Fix the following coverity defects.

ID 10181328, CID 687742 - Uninitialized variable
ID 10181331 - Dead code
ID 10181330, CID 687711 - Uninitialize variable
ID 10181332 - Potential overflow
ID 10181329 - Wrong data type

Bug 3952896
Bug 3959323

Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Change-Id: I62064ee9b0cef4ad78a1aa4980637fcd3df682d6
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2995805
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
 2023-10-12 20:38:15 -07:00
Akhil R
2659fcd46a crypto: tegra: Add updated Tegra SE driver 
Add the updated Tegra SE driver with the below improvements.
- Remove dependency with nvhost apis and use upstream Host1x APIs.
- Implement software fallbacks for keys/plaintexts unsupported by
hardware.
- Support only T234 and later. Prior chips will use tegra-se-nvhost
driver.

Bug 4221414
Bug 3579794

Signed-off-by: Akhil R <akhilrajeev@nvidia.com>
Change-Id: I398a5b7cc3f752b44d01d6d1c81f813f862e4cd9
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2977810
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
 2023-10-03 18:59:24 -07:00