/*
* Copyright (c) 2020 - 2024 Renesas Electronics Corporation and/or its affiliates
*
* SPDX-License-Identifier: BSD-3-Clause
*/

/***********************************************************************************************************************
 * File Name    : hw_sce_ecc_private.h
 * Description  : SCE HW procedures for ECC algorithm
 ***********************************************************************************************************************/

#ifndef HW_SCE_ECC_PRIVATE_H
#define HW_SCE_ECC_PRIVATE_H

#include "bsp_api.h"
#include "hw_sce_common.h"

#define ECC_224_PRIVATE_KEY_LENGTH_BITS                        (224U)
#define ECC_224_PUBLIC_KEY_LENGTH_WORDS                        (7U)

/* ECC P-256 */
#define ECC_256_DOMAIN_PARAMETER_WITH_ORDER_LENGTH_WORDS       (32U)
#define ECC_256_DOMAIN_PARAMETER_WITHOUT_ORDER_LENGTH_WORDS    (24U)
#define ECC_256_POINT_ON_CURVE_LENGTH_WORDS                    (16U)
#define ECC_256_GENERATOR_POINT_LENGTH_WORDS                   (16U)
#define ECC_256_PUBLIC_KEY_LENGTH_WORDS                        (16U)
#define ECC_256_PRIVATE_KEY_LENGTH_WORDS                       (8U)
#define ECC_256_PRIVATE_KEY_LENGTH_BITS                        (256U)
#define ECC_256_MESSAGE_DIGEST_LENGTH_WORDS                    (8U)
#define ECC_256_SIGNATURE_R_LENGTH_WORDS                       (8U)
#define ECC_256_SIGNATURE_S_LENGTH_WORDS                       (8U)

/* ECC P-384 */
#define ECC_384_DOMAIN_PARAMETER_WITH_ORDER_LENGTH_WORDS       (48U)
#define ECC_384_DOMAIN_PARAMETER_WITHOUT_ORDER_LENGTH_WORDS    (36U)
#define ECC_384_POINT_ON_CURVE_LENGTH_WORDS                    (24U)
#define ECC_384_GENERATOR_POINT_LENGTH_WORDS                   (24U)
#define ECC_384_PUBLIC_KEY_LENGTH_WORDS                        (24U)
#define ECC_384_PRIVATE_KEY_LENGTH_WORDS                       (12U)
#define ECC_384_PRIVATE_KEY_LENGTH_BITS                        (384U)
#define ECC_384_MESSAGE_DIGEST_LENGTH_WORDS                    (12U)
#define ECC_384_SIGNATURE_R_LENGTH_WORDS                       (12U)
#define ECC_384_SIGNATURE_S_LENGTH_WORDS                       (12U)

/* ECC P-521 */
#define ECC_521_PRIVATE_KEY_LENGTH_BITS                        (521U)
#define ECC_521_PRIVATE_KEY_LENGTH_WORDS                       (20U)

/* SCE based wrapped keys are at most 20/32 bytes larger than corresponding plain private keys */
#define HW_SCE_ECC_WRAPPED_KEY_ADJUST(x)          ((x) + ((HW_SCE_PRIVATE_KEY_WRAPPING_WORD_SIZE) * 4))

/* Function pointer declarations */
#if BSP_FEATURE_CRYPTO_HAS_SCE9 || BSP_FEATURE_CRYPTO_HAS_SCE7 || BSP_FEATURE_CRYPTO_HAS_RSIP7
 #define ECC_PUBLIC_KEY_SIZE_BYTES(curve_size)    (curve_size * 2 + 20U)
typedef fsp_err_t (* hw_sce_ecc_scalarmultiplication_t)(const uint32_t * InData_CurveType, const uint32_t * InData_Cmd,
                                                        const uint32_t * InData_K, const uint32_t * InData_P,
                                                        const uint32_t * Domain_Param, uint32_t * OutData_R);
#else
typedef fsp_err_t (* hw_sce_ecc_scalarmultiplication_t)(const uint32_t * InData_DomainParam, const uint32_t * InData_K,
                                                        const uint32_t * InData_P, uint32_t * OutData_R);
#endif
typedef fsp_err_t (* hw_sce_ecc_generatekey_t)(const uint32_t * InData_DomainParam, const uint32_t * InData_G,
                                               uint32_t * OutData_PubKey, uint32_t * OutData_PrivKey);

typedef fsp_err_t (* hw_sce_ecc_generatesign_t)(const uint32_t * InData_CurveType, const uint32_t * InData_G,
                                                const uint32_t * InData_PrivKey, const uint32_t * InData_MsgDgst,
                                                uint32_t * OutData_R, uint32_t * OutData_S);

typedef fsp_err_t (* hw_sce_ecc_verifysign_t)(const uint32_t * InData_DomainParam, const uint32_t * InData_G,
                                              const uint32_t * InData_PubKey, const uint32_t * InData_MsgDgst,
                                              const uint32_t * InData_R, const uint32_t * InData_S);

/* ECC - 256 HW Procedure definitions */
fsp_err_t HW_SCE_ECC_256ScalarMultiplication(const uint32_t * InData_DomainParam,
                                             const uint32_t * InData_K,
                                             const uint32_t * InData_P,
                                             uint32_t       * OutData_R);

fsp_err_t HW_SCE_ECC_256GenerateKey(const uint32_t * InData_DomainParam,
                                    const uint32_t * InData_G,
                                    uint32_t       * OutData_PubKey,
                                    uint32_t       * OutData_PrivKey);

fsp_err_t HW_SCE_ECC_256GenerateSign(const uint32_t * InData_CurveType,
                                     const uint32_t * InData_G,
                                     const uint32_t * InData_PrivKey,
                                     const uint32_t * InData_MsgDgst,
                                     uint32_t       * OutData_R,
                                     uint32_t       * OutData_S);

fsp_err_t HW_SCE_ECC_256VerifySign(const uint32_t * InData_DomainParam,
                                   const uint32_t * InData_G,
                                   const uint32_t * InData_PubKey,
                                   const uint32_t * InData_MsgDgst,
                                   const uint32_t * InData_R,
                                   const uint32_t * InData_S);

/* ECC - 256 Wrapped key HW Procedure definitions */
fsp_err_t HW_SCE_ECC_256HrkGenerateKey(const uint32_t * InData_DomainParam,
                                       const uint32_t * InData_G,
                                       uint32_t       * OutData_KeyIndex,
                                       uint32_t       * OutData_PubKey);

fsp_err_t HW_SCE_ECC_256HrkGenerateSign(const uint32_t * InData_DomainParam,
                                        const uint32_t * InData_G,
                                        const uint32_t * InData_KeyIndex,
                                        const uint32_t * InData_MsgDgst,
                                        uint32_t       * OutData_R,
                                        uint32_t       * OutData_S);

fsp_err_t HW_SCE_ECC_256HrkScalarMultiplication(const uint32_t * InData_DomainParam,
                                                const uint32_t * InData_KeyIndex,
                                                const uint32_t * InData_P,
                                                uint32_t       * OutData_R);

fsp_err_t HW_SCE_ECC_256WrappedScalarMultiplication(const uint32_t * InData_CurveType,
                                                    const uint32_t * InData_Cmd,
                                                    const uint32_t * InData_KeyIndex,
                                                    const uint32_t * InData_P,
                                                    const uint32_t * Domain_Param,
                                                    uint32_t       * OutData_R);

/* ECC - 384 HW Procedure definitions */
fsp_err_t HW_SCE_ECC_384ScalarMultiplication(const uint32_t * InData_DomainParam,
                                             const uint32_t * InData_K,
                                             const uint32_t * InData_P,
                                             uint32_t       * OutData_R);

fsp_err_t HW_SCE_ECC_384GenerateKey(const uint32_t * InData_DomainParam,
                                    const uint32_t * InData_G,
                                    uint32_t       * OutData_PubKey,
                                    uint32_t       * OutData_PrivKey);

fsp_err_t HW_SCE_ECC_384GenerateSign(const uint32_t * InData_CurveType,
                                     const uint32_t * InData_G,
                                     const uint32_t * InData_PrivKey,
                                     const uint32_t * InData_MsgDgst,
                                     uint32_t       * OutData_R,
                                     uint32_t       * OutData_S);

fsp_err_t HW_SCE_ECC_384VerifySign(const uint32_t * InData_DomainParam,
                                   const uint32_t * InData_G,
                                   const uint32_t * InData_PubKey,
                                   const uint32_t * InData_MsgDgst,
                                   const uint32_t * InData_R,
                                   const uint32_t * InData_S);

/* ECC - 384 Wrapped key HW Procedure definitions */
fsp_err_t HW_SCE_ECC_384HrkGenerateKey(const uint32_t * InData_DomainParam,
                                       const uint32_t * InData_G,
                                       uint32_t       * OutData_KeyIndex,
                                       uint32_t       * OutData_PubKey);

fsp_err_t HW_SCE_ECC_384HrkGenerateSign(const uint32_t * InData_DomainParam,
                                        const uint32_t * InData_G,
                                        const uint32_t * InData_KeyIndex,
                                        const uint32_t * InData_MsgDgst,
                                        uint32_t       * OutData_R,
                                        uint32_t       * OutData_S);

fsp_err_t HW_SCE_ECC_384HrkScalarMultiplication(const uint32_t * InData_DomainParam,
                                                const uint32_t * InData_KeyIndex,
                                                const uint32_t * InData_P,
                                                uint32_t       * OutData_R);
fsp_err_t HW_SCE_ECC_384WrappedScalarMultiplication(const uint32_t * InData_CurveType,
                                                    const uint32_t * InData_Cmd,
                                                    const uint32_t * InData_KeyIndex,
                                                    const uint32_t * InData_P,
                                                    const uint32_t * Domain_Param,
                                                    uint32_t       * OutData_R);
#if BSP_FEATURE_CRYPTO_HAS_RSIP7
fsp_err_t HW_SCE_ECC_521GenerateSign(const uint32_t * InData_CurveType,
                                     const uint32_t * InData_G,
                                     const uint32_t * InData_PrivKey,
                                     const uint32_t * InData_MsgDgst,
                                     uint32_t       * OutData_R,
                                     uint32_t       * OutData_S);

fsp_err_t HW_SCE_ECC_521VerifySign(const uint32_t * InData_DomainParam,
                                   const uint32_t * InData_G,
                                   const uint32_t * InData_PubKey,
                                   const uint32_t * InData_MsgDgst,
                                   const uint32_t * InData_R,
                                   const uint32_t * InData_S);

fsp_err_t HW_SCE_ECC_521HrkGenerateSign(const uint32_t * InData_DomainParam,
                                        const uint32_t * InData_G,
                                        const uint32_t * InData_KeyIndex,
                                        const uint32_t * InData_MsgDgst,
                                        uint32_t       * OutData_R,
                                        uint32_t       * OutData_S);
                                   
fsp_err_t HW_SCE_ECC_521WrappedScalarMultiplication(const uint32_t * InData_CurveType,
                                                    const uint32_t * InData_Cmd,
                                                    const uint32_t * InData_KeyIndex,
                                                    const uint32_t * InData_P,
                                                    const uint32_t * Domain_Param,
                                                    uint32_t       * OutData_R);
#endif

/* ECC - 224 HW Procedure definitions */
fsp_err_t HW_SCE_ECC_224GenerateSign(const uint32_t * InData_DomainParam,
                                     const uint32_t * InData_G,
                                     const uint32_t * InData_PrivKey,
                                     const uint32_t * InData_MsgDgst,
                                     uint32_t       * OutData_R,
                                     uint32_t       * OutData_S);

fsp_err_t HW_SCE_ECC_224VerifySign(const uint32_t * InData_DomainParam,
                                   const uint32_t * InData_G,
                                   const uint32_t * InData_PubKey,
                                   const uint32_t * InData_MsgDgst,
                                   const uint32_t * InData_R,
                                   const uint32_t * InData_S);

#endif                                 /* HW_SCE_ECC_PRIVATE_H */