diff --git a/plat/intel/soc/common/socfpga_sip_svc.c b/plat/intel/soc/common/socfpga_sip_svc.c
index d6239c9..df500ff 100644
--- a/plat/intel/soc/common/socfpga_sip_svc.c
+++ b/plat/intel/soc/common/socfpga_sip_svc.c
@@ -924,6 +924,19 @@
 					 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,
+					x4, x5, &mbox_error);
+		SMC_RET2(handle, status, mbox_error);
+
+	case INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIG_VERIFY_FINALIZE:
+		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
+		x6 = SMC_GET_GP(handle, CTX_GPREG_X6);
+		x7 = SMC_GET_GP(handle, CTX_GPREG_X7);
+		status = intel_fcs_ecdsa_sha2_data_sig_verify_finalize(x1, x2, x3,
+					 x4, x5, (uint32_t *) &x6, x7, &mbox_error);
+		SMC_RET4(handle, status, mbox_error, x5, x6);
 
 	case INTEL_SIP_SMC_FCS_ECDSA_GET_PUBKEY_INIT:
 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);