Initial import: PWM32E C/W 100% firmware

2026-07-25 16:23:17 +08:00
commit 91432af19d
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+/**
+ ****************************************************************************************
+ *
+ * @file ecc_p256.h
+ *
+ * @brief  ECC functions for P256
+ *
+ * Copyright (C) RivieraWaves 2009-2015
+ *
+ ****************************************************************************************
+ */
+
+#ifndef ECC_P256_H_
+#define ECC_P256_H_
+
+
+/*
+ * INCLUDE FILES
+ ****************************************************************************************
+ */
+#include "rwip_config.h"
+#include <stdint.h>
+#include <stdbool.h>
+#include "ke_task.h"
+
+/*
+ * DEFINES
+ ****************************************************************************************
+ */
+
+#define ECC_PUBLICKEY_GENERATION 0x01
+#define ECC_DHKEY_GENERATION     0x02
+
+
+/*
+ * STRUCTURE DEFINITIONS
+ ****************************************************************************************
+ */
+
+/// Multiplication result message structure
+/*@TRACE*/
+struct ecc_result_ind
+{
+    uint8_t key_res_x[32];
+    uint8_t key_res_y[32];
+};
+
+
+/*
+ * VARIABLE DECLARATION
+ ****************************************************************************************
+ */
+
+/// Debug Private Key
+extern const uint8_t DebugE256SecretKey[32];
+
+
+/*
+ * FUNCTION DECLARATIONS
+ ****************************************************************************************
+ */
+
+/**
+ ****************************************************************************************
+ * @brief Initialize Elliptic Curve algorithm
+ *
+ * @param[in] init_type  Type of initialization (@see enum rwip_init_type)
+ ****************************************************************************************
+ */
+void ecc_init(uint8_t init_type);
+
+/**
+ ****************************************************************************************
+ * @brief Generate a Secret Key compliant with ECC P256 algorithm
+ *
+ * If key is forced, just check its validity
+ *
+ * @param[out] secret_key Private key - MSB First
+ * @param[in]  forced True if provided key is forced, else generate it.
+ ****************************************************************************************
+ */
+void ecc_gen_new_secret_key(uint8_t* secret_key, bool forced);
+
+/**
+ ****************************************************************************************
+ * @brief Generate a new Public key pair using ECC P256 algorithm
+ *
+ * @param[in] secret_key Private key - MSB First
+ * @param[in] blocking   Force to run full algorithm without continue mode
+ ****************************************************************************************
+ */
+void ecc_gen_new_public_key(uint8_t* secret_key256, ke_msg_id_t msg_id, ke_task_id_t task_id);
+
+/**
+ ****************************************************************************************
+ * @brief Generate a new DHKey using ECC P256 algorithm
+ *
+ * @param[in] key_type          Type of key to generate (1: public key | 2: DH key)
+ * @param[in] secret_key        Private key                  - MSB First
+ * @param[in] public_key_x      Peer public key x coordinate - LSB First
+ * @param[in] public_key_y      Peer public key y coordinate - LSB First
+ * @param[in] msg_id            Message task ID for the result indication
+ * @param[in] task_id           Client task ID (Task type + instance)
+ * @param[in] public_key_valid  True: public key is valid, False: public key uncertain
+ *
+ * @return status   0 if key generation is started, > 0 otherwise
+ ****************************************************************************************
+ */
+uint8_t ecc_generate_key256(uint8_t key_type, const uint8_t* secret_key, const uint8_t* public_key_x, const uint8_t* public_key_y, ke_msg_id_t msg_id, ke_task_id_t task_id, bool public_key_valid);
+
+/**
+ ****************************************************************************************
+ * @brief Abort a current DHKey generation procedure
+ *
+ * @param[in] task_id    Client task ID (Task type + instance)
+ ****************************************************************************************
+ */
+void ecc_abort_key256_generation(ke_task_id_t task_id);
+
+/**
+ ****************************************************************************************
+ * @brief Retrieve debug private and public keys
+ *
+ * @param[out] secret_key Private key             - MSB First
+ * @param[out] pub_key_x  Public key x coordinate - LSB First
+ * @param[out] pub_key_y  Public key y coordinate - LSB First
+ ****************************************************************************************
+ */
+void ecc_get_debug_Keys(uint8_t*secret_key, uint8_t* pub_key_x, uint8_t* pub_key_y);
+
+
+#endif /* ECC_P256_H_ */