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/***************************************************************************
* Copyright (c) 2024 Microsoft Corporation
* Copyright (c) 2025-present Eclipse ThreadX Contributors
*
* This program and the accompanying materials are made available under the
* terms of the MIT License which is available at
* https://opensource.org/licenses/MIT.
*
* SPDX-License-Identifier: MIT
**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** NetX Crypto Component */
/** */
/** Elliptic Curve Digital Signature Algorithm (ECDSA) */
/** */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/* */
/* COMPONENT DEFINITION RELEASE */
/* */
/* nx_crypto_ecdsa.h PORTABLE C */
/* 6.4.3 */
/* */
/* AUTHOR */
/* */
/* Timothy Stapko, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This file defines the basic Application Interface (API) to the */
/* NetX ECDSA module. */
/* */
/* It is assumed that nx_api.h and nx_port.h have already been */
/* included. */
/* */
/**************************************************************************/
#ifndef NX_ECDSA_H
#define NX_ECDSA_H
/* Determine if a C++ compiler is being used. If so, ensure that standard
C is used to process the API information. */
#ifdef __cplusplus
/* Yes, C++ compiler is present. Use standard C. */
extern "C" {
#endif
#include "nx_crypto.h"
#include "nx_crypto_huge_number.h"
#include "nx_crypto_ec.h"
#ifndef NX_CRYPTO_ECDSA_SCRATCH_BUFFER_SIZE
#define NX_CRYPTO_ECDSA_SCRATCH_BUFFER_SIZE 3016
#endif /* NX_CRYPTO_ECDSA_SCRATCH_BUFFER_SIZE */
/* ECDSA signature structure. */
typedef struct NX_CRYPTO_ECDSA
{
NX_CRYPTO_EC *nx_crypto_ecdsa_curve;
NX_CRYPTO_METHOD *nx_crypto_ecdsa_hash_method;
HN_UBASE nx_crypto_ecdsa_scratch_buffer[NX_CRYPTO_ECDSA_SCRATCH_BUFFER_SIZE >> HN_SIZE_SHIFT];
} NX_CRYPTO_ECDSA;
/* Define the function prototypes for ECDSA. */
UINT _nx_crypto_ecdsa_sign(NX_CRYPTO_EC *curve,
UCHAR *hash,
UINT hash_length,
UCHAR *private_key,
UINT private_key_length,
UCHAR *signature,
ULONG signature_length,
ULONG *actual_signature_length,
HN_UBASE *scratch);
UINT _nx_crypto_ecdsa_verify(NX_CRYPTO_EC *curve,
UCHAR *hash,
UINT hash_length,
UCHAR *public_key,
UINT public_key_length,
UCHAR *signature,
UINT signature_length,
HN_UBASE *scratch);
UINT _nx_crypto_method_ecdsa_init(struct NX_CRYPTO_METHOD_STRUCT *method,
UCHAR *key, NX_CRYPTO_KEY_SIZE key_size_in_bits,
VOID **handle,
VOID *crypto_metadata,
ULONG crypto_metadata_size);
UINT _nx_crypto_method_ecdsa_cleanup(VOID *crypto_metadata);
UINT _nx_crypto_method_ecdsa_operation(UINT op,
VOID *handle,
struct NX_CRYPTO_METHOD_STRUCT *method,
UCHAR *key, NX_CRYPTO_KEY_SIZE key_size_in_bits,
UCHAR *input, ULONG input_length_in_byte,
UCHAR *iv_ptr,
UCHAR *output, ULONG output_length_in_byte,
VOID *crypto_metadata, ULONG crypto_metadata_size,
VOID *packet_ptr,
VOID (*nx_crypto_hw_process_callback)(VOID *, UINT));
#ifdef __cplusplus
}
#endif
#endif
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