1 /**************************************************************************/ 2 /* */ 3 /* Copyright (c) Microsoft Corporation. All rights reserved. */ 4 /* */ 5 /* This software is licensed under the Microsoft Software License */ 6 /* Terms for Microsoft Azure RTOS. Full text of the license can be */ 7 /* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */ 8 /* and in the root directory of this software. */ 9 /* */ 10 /**************************************************************************/ 11 12 13 /**************************************************************************/ 14 /**************************************************************************/ 15 /** */ 16 /** NetX Crypto Component */ 17 /** */ 18 /** Elliptic Curve Digital Signature Algorithm (ECDSA) */ 19 /** */ 20 /**************************************************************************/ 21 /**************************************************************************/ 22 23 24 /**************************************************************************/ 25 /* */ 26 /* COMPONENT DEFINITION RELEASE */ 27 /* */ 28 /* nx_crypto_ecdsa.h PORTABLE C */ 29 /* 6.1 */ 30 /* */ 31 /* AUTHOR */ 32 /* */ 33 /* Timothy Stapko, Microsoft Corporation */ 34 /* */ 35 /* DESCRIPTION */ 36 /* */ 37 /* This file defines the basic Application Interface (API) to the */ 38 /* NetX ECDSA module. */ 39 /* */ 40 /* It is assumed that nx_api.h and nx_port.h have already been */ 41 /* included. */ 42 /* */ 43 /* RELEASE HISTORY */ 44 /* */ 45 /* DATE NAME DESCRIPTION */ 46 /* */ 47 /* 05-19-2020 Timothy Stapko Initial Version 6.0 */ 48 /* 09-30-2020 Timothy Stapko Modified comment(s), */ 49 /* resulting in version 6.1 */ 50 /* */ 51 /**************************************************************************/ 52 53 #ifndef NX_ECDSA_H 54 #define NX_ECDSA_H 55 56 57 /* Determine if a C++ compiler is being used. If so, ensure that standard 58 C is used to process the API information. */ 59 #ifdef __cplusplus 60 61 /* Yes, C++ compiler is present. Use standard C. */ 62 extern "C" { 63 64 #endif 65 66 #include "nx_crypto.h" 67 #include "nx_crypto_huge_number.h" 68 #include "nx_crypto_ec.h" 69 70 71 #ifndef NX_CRYPTO_ECDSA_SCRATCH_BUFFER_SIZE 72 #define NX_CRYPTO_ECDSA_SCRATCH_BUFFER_SIZE 3016 73 #endif /* NX_CRYPTO_ECDSA_SCRATCH_BUFFER_SIZE */ 74 75 76 /* ECDSA signature structure. */ 77 typedef struct NX_CRYPTO_ECDSA 78 { 79 NX_CRYPTO_EC *nx_crypto_ecdsa_curve; 80 NX_CRYPTO_METHOD *nx_crypto_ecdsa_hash_method; 81 HN_UBASE nx_crypto_ecdsa_scratch_buffer[NX_CRYPTO_ECDSA_SCRATCH_BUFFER_SIZE >> HN_SIZE_SHIFT]; 82 } NX_CRYPTO_ECDSA; 83 84 /* Define the function prototypes for ECDSA. */ 85 86 UINT _nx_crypto_ecdsa_sign(NX_CRYPTO_EC *curve, 87 UCHAR *hash, 88 UINT hash_length, 89 UCHAR *private_key, 90 UINT private_key_length, 91 UCHAR *signature, 92 ULONG signature_length, 93 ULONG *actual_signature_length, 94 HN_UBASE *scratch); 95 96 UINT _nx_crypto_ecdsa_verify(NX_CRYPTO_EC *curve, 97 UCHAR *hash, 98 UINT hash_length, 99 UCHAR *public_key, 100 UINT public_key_length, 101 UCHAR *signature, 102 UINT signature_length, 103 HN_UBASE *scratch); 104 105 UINT _nx_crypto_method_ecdsa_init(struct NX_CRYPTO_METHOD_STRUCT *method, 106 UCHAR *key, NX_CRYPTO_KEY_SIZE key_size_in_bits, 107 VOID **handle, 108 VOID *crypto_metadata, 109 ULONG crypto_metadata_size); 110 111 UINT _nx_crypto_method_ecdsa_cleanup(VOID *crypto_metadata); 112 113 UINT _nx_crypto_method_ecdsa_operation(UINT op, 114 VOID *handle, 115 struct NX_CRYPTO_METHOD_STRUCT *method, 116 UCHAR *key, NX_CRYPTO_KEY_SIZE key_size_in_bits, 117 UCHAR *input, ULONG input_length_in_byte, 118 UCHAR *iv_ptr, 119 UCHAR *output, ULONG output_length_in_byte, 120 VOID *crypto_metadata, ULONG crypto_metadata_size, 121 VOID *packet_ptr, 122 VOID (*nx_crypto_hw_process_callback)(VOID *, UINT)); 123 124 #ifdef __cplusplus 125 } 126 #endif 127 #endif 128 129
