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nvvse: Enable SM4 CMAC support

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Jira ESSS-1409

Change-Id: Ib13b2901cbec8e4b9670fbe43960514e614a60c0
Signed-off-by: Prashant Parihar <pparihar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3170104
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
This commit is contained in:
Prashant Parihar
2024-07-04 05:46:39 +00:00
committed by mobile promotions
parent 783f728b32
commit afb2145beb
4 changed files with 31 additions and 0 deletions
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23
drivers/crypto/tegra-hv-vse-safety.c
View File

@@ -346,6 +346,16 @@ enum cmac_request_type {
CMAC_VERIFY
};
/*
* @enum vse_sym_cipher_choice
* @brief Symmetric cipher to be used for CMAC sign/verify
* Currently two choices are supported - AES, SM4.
*/
enum vse_sym_cipher_choice {
VSE_SYM_CIPH_AES = 0,
VSE_SYM_CIPH_SM4 = 0xFFFFFFFF
};
/* CMAC request data */
struct tegra_vse_cmac_req_data {
enum cmac_request_type request_type;
@@ -475,6 +485,7 @@ union tegra_virtual_se_aes_args {
u8 cmac_result[TEGRA_VIRTUAL_SE_AES_BLOCK_SIZE];
u64 mac_addr;
u64 mac_comp_res_addr;
enum vse_sym_cipher_choice sym_ciph;
} op_cmac_sv;
struct aes_rng {
struct tegra_virtual_se_addr dst_addr;
@@ -2968,6 +2979,12 @@ static int tegra_hv_vse_safety_cmac_sv_op_hw_verify_supported(
memcpy(ivc_tx->aes.op_cmac_sv.keyslot, cmac_ctx->aes_keyslot, KEYSLOT_SIZE_BYTES);
ivc_tx->aes.op_cmac_sv.key_length = cmac_ctx->keylen;
ivc_tx->aes.op_cmac_sv.config = 0;
if (cmac_ctx->b_is_sm4 == 1U)
ivc_tx->aes.op_cmac_sv.sym_ciph = VSE_SYM_CIPH_SM4;
else
ivc_tx->aes.op_cmac_sv.sym_ciph = VSE_SYM_CIPH_AES;
if (is_last == true)
ivc_tx->aes.op_cmac_sv.config |= TEGRA_VIRTUAL_SE_AES_CMAC_SV_CONFIG_LASTREQ;
@@ -3111,6 +3128,12 @@ static int tegra_hv_vse_safety_cmac_sv_op(struct ahash_request *req, bool is_las
ivc_tx->aes.op_cmac_sv.lastblock_len = last_block_bytes;
ivc_tx->aes.op_cmac_sv.src_addr = src_addr64.addr;
ivc_tx->aes.op_cmac_sv.src_buf_size = src_addr64.buf_size;
if (cmac_ctx->b_is_sm4 == 1U) {
ivc_tx->aes.op_cmac_sv.sym_ciph = VSE_SYM_CIPH_SM4;
} else {
ivc_tx->aes.op_cmac_sv.sym_ciph = VSE_SYM_CIPH_AES;
}
sg_pcopy_to_buffer(req->src,
(u32)num_sgs,
ivc_tx->aes.op_cmac_sv.lastblock,

2
drivers/crypto/tegra-hv-vse.h
View File

@@ -118,6 +118,8 @@ struct tegra_virtual_se_aes_cmac_context {
bool is_key_slot_allocated;
/*Crypto dev instance*/
uint32_t node_id;
/* Flag to indicate if sm4 is enabled*/
uint8_t b_is_sm4;
};
/* Security Engine AES GMAC context */

1
drivers/crypto/tegra-nvvse-cryptodev.c
View File

@@ -856,6 +856,7 @@ static int tnvvse_crypto_aes_cmac_sign_verify(struct tnvvse_crypto_ctx *ctx,
cmac_ctx = crypto_ahash_ctx(tfm);
cmac_ctx->node_id = ctx->node_id;
cmac_ctx->b_is_sm4 = aes_cmac_ctl->is_SM4;
driver_name = crypto_tfm_alg_driver_name(crypto_ahash_tfm(tfm));
if (driver_name == NULL) {

5
include/uapi/misc/tegra-nvvse-cryptodev.h
View File

@@ -425,6 +425,11 @@ struct tegra_nvvse_aes_cmac_sign_verify_ctl {
* - Non-zero value indicates CMAC verification failure.
*/
uint8_t result;
/** [out] Holds SM4 CMAC flag value for request
* - '0' indicates AES CMAC request
* - Non-zero value indicates SM4 CMAC request.
*/
uint8_t is_SM4;
};
#define NVVSE_IOCTL_CMDID_AES_CMAC_SIGN_VERIFY _IOWR(TEGRA_NVVSE_IOC_MAGIC, \
TEGRA_NVVSE_CMDID_AES_CMAC_SIGN_VERIFY, \