Commit b0381d10 authored by Yabin Li's avatar Yabin Li Committed by yangdepei
Browse files

crypto: ccp: Support SM2 algorithm for hygon ccp. 

hygon inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I99ZNA



--------------------------------

In order to add SM2 driver for hygon ccp, relating to
SM2_sign, SM2_verify, SM2_encrypt and SM2_decrypt.

Signed-off-by: default avatarYabin Li <liyabin@hygon.cn>
Signed-off-by: default avataryangdepei <yangdepei@hygon.cn>
parent d72f206b

arch/x86/configs/openeuler_defconfig

+1 −0
Original line number Diff line number Diff line
@@ -8810,6 +8810,7 @@ CONFIG_CRYPTO_DEV_ZHAOXIN_AES=m 
CONFIG_CRYPTO_DEV_ZHAOXIN_SHA=m

# CONFIG_CRYPTO_DEV_ATMEL_ECC is not set

# CONFIG_CRYPTO_DEV_ATMEL_SHA204A is not set

CONFIG_HYGON_GM=y

CONFIG_CRYPTO_DEV_CCP=y

CONFIG_CRYPTO_DEV_CCP_DD=m

CONFIG_CRYPTO_DEV_SP_CCP=y

drivers/crypto/ccp/Kconfig

+7 −0
Original line number Diff line number Diff line
@@ -46,6 +46,13 @@ config CRYPTO_DEV_SP_PSP 
	 along with software-based Trusted Execution Environment (TEE) to

	 enable third-party trusted applications.



config HYGON_GM

	bool "Hygon GM (sm2/sm3/sm4) Interface"

	default y

	depends on CRYPTO_DEV_CCP_CRYPTO && X86_64

	help

	  Hygon GM ccp driver



config CRYPTO_DEV_CCP_DEBUGFS

	bool "Enable CCP Internals in DebugFS"

	default n

drivers/crypto/ccp/Makefile

+3 −0
Original line number Diff line number Diff line
@@ -30,4 +30,7 @@ ccp-crypto-objs := ccp-crypto-main.o \ 
		   ccp-crypto-des3.o \

		   ccp-crypto-rsa.o \

		   ccp-crypto-sha.o



obj-$(CONFIG_TDM_KERNEL_GUARD) += hygon/tdm-kernel-guard.o



ccp-crypto-$(CONFIG_HYGON_GM) += ccp-crypto-sm2-hygon.o

drivers/crypto/ccp/ccp-crypto-main.c

+15 −0
Original line number Diff line number Diff line
@@ -39,6 +39,10 @@ static unsigned int rsa_disable; 
module_param(rsa_disable, uint, 0444);

MODULE_PARM_DESC(rsa_disable, "Disable use of RSA - any non-zero value");



static unsigned int sm_disable;

module_param(sm_disable, uint, 0444);

MODULE_PARM_DESC(sm_disable, "Disable use of SM2/SM3/SM4 - any non-zero value");



/* List heads for the supported algorithms */

static LIST_HEAD(hash_algs);

static LIST_HEAD(skcipher_algs);
@@ -322,6 +326,17 @@ static int ccp_register_algs(void) 
{

	int ret;



#ifdef CONFIG_HYGON_GM

	if (!sm_disable && boot_cpu_data.x86_vendor == X86_VENDOR_HYGON) {

		ret = ccp_register_sm2_hygon_algs(&akcipher_algs);

		if (ret)

			return ret;



		/* Return on hygon platform */

		return 0;

	}

#endif



	if (!aes_disable) {

		ret = ccp_register_aes_algs(&skcipher_algs);

		if (ret)

drivers/crypto/ccp/ccp-crypto-sm2-hygon.c

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