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crypto: keembay-ocs-ecc - Add Keem Bay OCS ECC Driver

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The Intel Keem Bay SoC can provide hardware acceleration of Elliptic
Curve Cryptography (ECC) by means of its Offload and Crypto Subsystem
(OCS).

Add the Keem Bay OCS ECC driver which leverages such hardware
capabilities to provide hardware-acceleration of ECDH-256 and ECDH-384.

Signed-off-by: Prabhjot Khurana <prabhjot.khurana@intel.com>
Co-developed-by: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
Signed-off-by: Daniele Alessandrelli <daniele.alessandrelli@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Prabhjot Khurana 2021-10-20 11:35:38 +01:00 committed by Herbert Xu
parent cadddc89a0
commit c9f608c380
4 changed files with 1042 additions and 0 deletions
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4
MAINTAINERS
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@ -9518,6 +9518,10 @@ M: Prabhjot Khurana <prabhjot.khurana@intel.com>
M: Mark Gross <mgross@linux.intel.com>
S: Maintained
F: Documentation/devicetree/bindings/crypto/intel,keembay-ocs-ecc.yaml
F: drivers/crypto/keembay/Kconfig
F: drivers/crypto/keembay/Makefile
F: drivers/crypto/keembay/keembay-ocs-ecc.c
F: drivers/crypto/keembay/ocs-ecc-curve-defs.h
INTEL KEEM BAY OCS HCU CRYPTO DRIVER
M: Daniele Alessandrelli <daniele.alessandrelli@intel.com>

19
drivers/crypto/keembay/Kconfig
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@ -39,6 +39,25 @@ config CRYPTO_DEV_KEEMBAY_OCS_AES_SM4_CTS
Intel does not recommend use of CTS mode with AES/SM4.
config CRYPTO_DEV_KEEMBAY_OCS_ECC
tristate "Support for Intel Keem Bay OCS ECC HW acceleration"
depends on ARCH_KEEMBAY || COMPILE_TEST
depends on OF || COMPILE_TEST
depends on HAS_IOMEM
select CRYPTO_ECDH
select CRYPTO_ENGINE
help
Support for Intel Keem Bay Offload and Crypto Subsystem (OCS)
Elliptic Curve Cryptography (ECC) hardware acceleration for use with
Crypto API.
Provides OCS acceleration for ECDH-256 and ECDH-384.
Say Y or M if you are compiling for the Intel Keem Bay SoC. The
module will be called keembay-ocs-ecc.
If unsure, say N.
config CRYPTO_DEV_KEEMBAY_OCS_HCU
tristate "Support for Intel Keem Bay OCS HCU HW acceleration"
select CRYPTO_HASH

2
drivers/crypto/keembay/Makefile
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@ -4,5 +4,7 @@
obj-$(CONFIG_CRYPTO_DEV_KEEMBAY_OCS_AES_SM4) += keembay-ocs-aes.o
keembay-ocs-aes-objs := keembay-ocs-aes-core.o ocs-aes.o
obj-$(CONFIG_CRYPTO_DEV_KEEMBAY_OCS_ECC) += keembay-ocs-ecc.o
obj-$(CONFIG_CRYPTO_DEV_KEEMBAY_OCS_HCU) += keembay-ocs-hcu.o
keembay-ocs-hcu-objs := keembay-ocs-hcu-core.o ocs-hcu.o

1017
drivers/crypto/keembay/keembay-ocs-ecc.c Normal file
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