feat(intel): support ECDSA HASH Verification
Supporting the command to send digital signature verification
request on a data blob. This include ECC algorithm such as
NISP P-256, NISP P-384, Brainpool 256 and, Branpool 384
Signed-off-by: Boon Khai Ng <boon.khai.ng@intel.com>
Signed-off-by: Sieu Mun Tang <sieu.mun.tang@intel.com>
Change-Id: Ic86f531bfe7cc7606699f2b064ac677aaf806a76
diff --git a/plat/intel/soc/common/include/socfpga_fcs.h b/plat/intel/soc/common/include/socfpga_fcs.h
index e8f01f0..6b1f160 100644
--- a/plat/intel/soc/common/include/socfpga_fcs.h
+++ b/plat/intel/soc/common/include/socfpga_fcs.h
@@ -81,6 +81,7 @@
#define FCS_ECDSA_SHA2_DATA_SIGN_CMD_MAX_WORD_SIZE 7U
#define FCS_ECDSA_SHA2_DATA_SIG_VERIFY_CMD_MAX_WORD_SIZE 43U
#define FCS_ECDSA_HASH_SIGN_CMD_MAX_WORD_SIZE 17U
+#define FCS_ECDSA_HASH_SIG_VERIFY_CMD_MAX_WORD_SIZE 52U
#define FCS_ECDH_REQUEST_CMD_MAX_WORD_SIZE 29U
/* FCS Payload Structure */
typedef struct fcs_rng_payload_t {
@@ -248,6 +249,14 @@
uint64_t dst_addr, uint32_t *dst_size,
uint32_t *mbox_error);
+int intel_fcs_ecdsa_hash_sig_verify_init(uint32_t session_id, uint32_t context_id,
+ uint32_t key_id, uint32_t param_size,
+ uint64_t param_data, uint32_t *mbox_error);
+int intel_fcs_ecdsa_hash_sig_verify_finalize(uint32_t session_id, uint32_t context_id,
+ uint32_t src_addr, uint32_t src_size,
+ uint64_t dst_addr, uint32_t *dst_size,
+ uint32_t *mbox_error);
+
int intel_fcs_ecdsa_sha2_data_sign_init(uint32_t session_id,
uint32_t context_id, uint32_t key_id,
uint32_t param_size, uint64_t param_data,
diff --git a/plat/intel/soc/common/include/socfpga_mailbox.h b/plat/intel/soc/common/include/socfpga_mailbox.h
index b5d8e4b..90b1fa6 100644
--- a/plat/intel/soc/common/include/socfpga_mailbox.h
+++ b/plat/intel/soc/common/include/socfpga_mailbox.h
@@ -80,6 +80,7 @@
#define MBOX_FCS_MAC_VERIFY_REQ 0x83
#define MBOX_FCS_ECDSA_HASH_SIGN_REQ 0x84
#define MBOX_FCS_ECDSA_SHA2_DATA_SIGN_REQ 0x85
+#define MBOX_FCS_ECDSA_HASH_SIG_VERIFY 0x86
#define MBOX_FCS_ECDSA_SHA2_DATA_SIGN_VERIFY 0x87
#define MBOX_FCS_ECDSA_GET_PUBKEY 0x88
#define MBOX_FCS_ECDH_REQUEST 0x89
diff --git a/plat/intel/soc/common/include/socfpga_sip_svc.h b/plat/intel/soc/common/include/socfpga_sip_svc.h
index 332dc20..9c5088b 100644
--- a/plat/intel/soc/common/include/socfpga_sip_svc.h
+++ b/plat/intel/soc/common/include/socfpga_sip_svc.h
@@ -76,8 +76,9 @@
#define INTEL_SIP_SMC_FCS_RANDOM_NUMBER_EXT 0x4200008F
#define INTEL_SIP_SMC_FCS_CRYPTION 0x4200005B
#define INTEL_SIP_SMC_FCS_CRYPTION_EXT 0xC2000090
+#define INTEL_SIP_SMC_FCS_SERVICE_REQUEST 0x4200005C
#define INTEL_SIP_SMC_FCS_SEND_CERTIFICATE 0x4200005D
-#define INTEL_SIP_SMC_FCS_GET_PROVISION_DATA 0x4200005E
+#define INTEL_SIP_SMC_FCS_GET_PROVISION_DATA 0xC200005E
#define INTEL_SIP_SMC_FCS_CNTR_SET_PREAUTH 0xC200005F
#define INTEL_SIP_SMC_FCS_PSGSIGMA_TEARDOWN 0xC2000064
#define INTEL_SIP_SMC_FCS_CHIP_ID 0xC2000065
@@ -101,6 +102,8 @@
#define INTEL_SIP_SMC_FCS_ECDSA_HASH_SIGN_FINALIZE 0xC200007F
#define INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_INIT 0xC2000080
#define INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_FINALIZE 0xC2000082
+#define INTEL_SIP_SMC_FCS_ECDSA_HASH_SIG_VERIFY_INIT 0xC2000083
+#define INTEL_SIP_SMC_FCS_ECDSA_HASH_SIG_VERIFY_FINALIZE 0xC2000085
#define INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_INIT 0xC2000086
#define INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_FINALIZE 0xC2000088
#define INTEL_SIP_SMC_FCS_ECDSA_GET_PUBKEY_INIT 0xC2000089
diff --git a/plat/intel/soc/common/sip/socfpga_sip_fcs.c b/plat/intel/soc/common/sip/socfpga_sip_fcs.c
index 70514fe..35dd2c5 100644
--- a/plat/intel/soc/common/sip/socfpga_sip_fcs.c
+++ b/plat/intel/soc/common/sip/socfpga_sip_fcs.c
@@ -16,6 +16,7 @@
static fcs_crypto_service_data fcs_sha_get_digest_param;
static fcs_crypto_service_data fcs_sha_mac_verify_param;
static fcs_crypto_service_data fcs_ecdsa_hash_sign_param;
+static fcs_crypto_service_data fcs_ecdsa_hash_sig_verify_param;
static fcs_crypto_service_data fcs_sha2_data_sign_param;
static fcs_crypto_service_data fcs_sha2_data_sig_verify_param;
static fcs_crypto_service_data fcs_ecdsa_get_pubkey_param;
@@ -1103,6 +1104,90 @@
return INTEL_SIP_SMC_STATUS_OK;
}
+int intel_fcs_ecdsa_hash_sig_verify_init(uint32_t session_id, uint32_t context_id,
+ uint32_t key_id, uint32_t param_size,
+ uint64_t param_data, uint32_t *mbox_error)
+{
+ return intel_fcs_crypto_service_init(session_id, context_id,
+ key_id, param_size, param_data,
+ (void *) &fcs_ecdsa_hash_sig_verify_param,
+ mbox_error);
+}
+
+int intel_fcs_ecdsa_hash_sig_verify_finalize(uint32_t session_id, uint32_t context_id,
+ uint32_t src_addr, uint32_t src_size,
+ uint64_t dst_addr, uint32_t *dst_size,
+ uint32_t *mbox_error)
+{
+ int status;
+ uint32_t i = 0;
+ uint32_t payload[FCS_ECDSA_HASH_SIG_VERIFY_CMD_MAX_WORD_SIZE] = {0U};
+ uint32_t resp_len = *dst_size / MBOX_WORD_BYTE;
+ uintptr_t hash_sig_pubkey_addr;
+
+ if ((dst_size == NULL) || (mbox_error == NULL)) {
+ return INTEL_SIP_SMC_STATUS_REJECTED;
+ }
+
+ if (fcs_ecdsa_hash_sig_verify_param.session_id != session_id ||
+ fcs_ecdsa_hash_sig_verify_param.context_id != context_id) {
+ return INTEL_SIP_SMC_STATUS_REJECTED;
+ }
+
+ if (!is_address_in_ddr_range(src_addr, src_size) ||
+ !is_address_in_ddr_range(dst_addr, *dst_size)) {
+ return INTEL_SIP_SMC_STATUS_REJECTED;
+ }
+
+ /* Prepare command payload */
+ /* Crypto header */
+ i = 0;
+ payload[i] = fcs_ecdsa_hash_sig_verify_param.session_id;
+
+ i++;
+ payload[i] = fcs_ecdsa_hash_sig_verify_param.context_id;
+
+ i++;
+ payload[i] = fcs_ecdsa_hash_sig_verify_param.crypto_param_size
+ & FCS_CS_FIELD_SIZE_MASK;
+ payload[i] |= (FCS_CS_FIELD_FLAG_INIT | FCS_CS_FIELD_FLAG_UPDATE
+ | FCS_CS_FIELD_FLAG_FINALIZE)
+ << FCS_CS_FIELD_FLAG_OFFSET;
+
+ i++;
+ payload[i] = fcs_ecdsa_hash_sig_verify_param.key_id;
+
+ /* Crypto parameters */
+ i++;
+ payload[i] = fcs_ecdsa_hash_sig_verify_param.crypto_param
+ & INTEL_SIP_SMC_FCS_ECC_ALGO_MASK;
+
+ /* Hash Data Word, Signature Data Word and Public Key Data word */
+ i++;
+ hash_sig_pubkey_addr = src_addr;
+ memcpy((uint8_t *) &payload[i],
+ (uint8_t *) hash_sig_pubkey_addr, src_size);
+
+ i += (src_size / MBOX_WORD_BYTE);
+
+ status = mailbox_send_cmd(MBOX_JOB_ID, MBOX_FCS_ECDSA_HASH_SIG_VERIFY,
+ payload, i, CMD_CASUAL, (uint32_t *) dst_addr,
+ &resp_len);
+
+ memset((void *)&fcs_ecdsa_hash_sig_verify_param,
+ 0, sizeof(fcs_crypto_service_data));
+
+ if (status < 0) {
+ *mbox_error = -status;
+ return INTEL_SIP_SMC_STATUS_ERROR;
+ }
+
+ *dst_size = resp_len * MBOX_WORD_BYTE;
+ flush_dcache_range(dst_addr, *dst_size);
+
+ return INTEL_SIP_SMC_STATUS_OK;
+}
+
int intel_fcs_ecdsa_sha2_data_sign_init(uint32_t session_id,
uint32_t context_id, uint32_t key_id,
uint32_t param_size, uint64_t param_data,
diff --git a/plat/intel/soc/common/socfpga_sip_svc.c b/plat/intel/soc/common/socfpga_sip_svc.c
index 7e9e561..6842de7 100644
--- a/plat/intel/soc/common/socfpga_sip_svc.c
+++ b/plat/intel/soc/common/socfpga_sip_svc.c
@@ -937,6 +937,19 @@
x4, x5, (uint32_t *) &x6, &mbox_error);
SMC_RET4(handle, status, mbox_error, x5, x6);
+ case INTEL_SIP_SMC_FCS_ECDSA_HASH_SIG_VERIFY_INIT:
+ x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
+ status = intel_fcs_ecdsa_hash_sig_verify_init(x1, x2, x3,
+ x4, x5, &mbox_error);
+ SMC_RET2(handle, status, mbox_error);
+
+ case INTEL_SIP_SMC_FCS_ECDSA_HASH_SIG_VERIFY_FINALIZE:
+ x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
+ x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
+ status = intel_fcs_ecdsa_hash_sig_verify_finalize(x1, x2, x3,
+ x4, x5, (uint32_t *) &x6, &mbox_error);
+ SMC_RET4(handle, status, mbox_error, x5, x6);
+
case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_INIT:
x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
status = intel_fcs_ecdsa_sha2_data_sig_verify_init(x1, x2, x3,