diff --git a/plat/intel/soc/common/include/socfpga_fcs.h b/plat/intel/soc/common/include/socfpga_fcs.h
index 15b7a2c..f58f9fa 100644
--- a/plat/intel/soc/common/include/socfpga_fcs.h
+++ b/plat/intel/soc/common/include/socfpga_fcs.h
@@ -76,6 +76,8 @@
 #define FCS_MAC_VERIFY_CMD_MAX_WORD_SIZE	23U
 #define FCS_MAC_VERIFY_RESP_MAX_WORD_SIZE	4U
 #define FCS_SHA_HMAC_CRYPTO_PARAM_SIZE_OFFSET	8U
+
+#define FCS_ECDSA_GET_PUBKEY_MAX_WORD_SIZE	5U
 /* FCS Payload Structure */
 typedef struct fcs_rng_payload_t {
 	uint32_t session_id;
@@ -234,6 +236,13 @@
 				uint64_t dst_addr, uint32_t *dst_size,
 				uint32_t data_size, uint32_t *mbox_error);
 
+int intel_fcs_ecdsa_get_pubkey_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_get_pubkey_finalize(uint32_t session_id, uint32_t context_id,
+				uint64_t dst_addr, uint32_t *dst_size,
+				uint32_t *mbox_error);
+
 int intel_fcs_aes_crypt_init(uint32_t session_id, uint32_t context_id,
 				uint32_t key_id, uint64_t param_addr,
 				uint32_t param_size, uint32_t *mbox_error);