1 files changed, 41 insertions, 0 deletions
diff --git a/lib/sec_library/include/ecdh.h b/lib/sec_library/include/ecdh.h
new file mode 100644
index 00000000..06258ca1
--- /dev/null
+++ b/lib/sec_library/include/ecdh.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2017-2022 Alibaba Group Holding Limited
+ */
+
+/******************************************************************************
+ * @file       drv/ecdh.h
+ * @brief      Header File for ECDH Driver
+ * @version    V3.3
+ * @date       10.June 2022
+ * @model      ECC
+ ******************************************************************************/
+
+#ifndef _DRV_ECDH_H_
+#define _DRV_ECDH_H_
+
+#include <stdint.h>
+#include "common.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/**
+  \brief       ecdh cacl share secret
+  \param[in]  ecc ecc handle to operate.
+  \param[in]  pubkey Pointer to the A public key.
+  \param[in]  privkey Pointer to the B private key.
+  \param[out] shareKey Pointer to the share secret.
+  \param[out] len length of the share secret.
+  \return     \ref uint32_t
+*/
+csi_error_t csi_ecdh_calc_secret(csi_ecc_t *ecc, uint8_t privkey[32],
+                            uint8_t pubkey[65], uint8_t shareKey[32], 
+                            uint32_t *len);
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#endif
+\ No newline at end of file