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/**************************************************************************/
/* */
/* Copyright (c) Microsoft Corporation. All rights reserved. */
/* */
/* This software is licensed under the Microsoft Software License */
/* Terms for Microsoft Azure RTOS. Full text of the license can be */
/* found in the LICENSE file at https://aka.ms/AzureRTOS_EULA */
/* and in the root directory of this software. */
/* */
/**************************************************************************/
/**************************************************************************/
/**************************************************************************/
/** */
/** NetX Crypto Component */
/** */
/** Transport Layer Security (TLS) */
/** */
/**************************************************************************/
/**************************************************************************/
/* 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_phash.h"
#include "nx_crypto_hmac_sha1.h"
#include "nx_crypto_hmac_md5.h"
/**************************************************************************/
/* */
/* COMPONENT DEFINITION RELEASE */
/* */
/* nx_crypto_tls_prf_1.h PORTABLE C */
/* 6.1 */
/* AUTHOR */
/* */
/* Timothy Stapko, Microsoft Corporation */
/* */
/* DESCRIPTION */
/* */
/* This file defines the TLS Pseudo-Random Function (PRF) as described */
/* in RFCs 2246 and 4346. This PRF is used for all key generation in */
/* TLS versions 1.0 and 1.1. */
/* */
/* RELEASE HISTORY */
/* */
/* DATE NAME DESCRIPTION */
/* */
/* 05-19-2020 Timothy Stapko Initial Version 6.0 */
/* 09-30-2020 Timothy Stapko Modified comment(s), */
/* resulting in version 6.1 */
/* */
/**************************************************************************/
/* Define the control block structure for backward compatibility. */
#define NX_SECURE_TLS_PRF_1 NX_CRYPTO_TLS_PRF_1
typedef struct NX_CRYPTO_TLS_PRF_1_STRUCT
{
NX_CRYPTO_PHASH nx_secure_tls_prf_phash_info;
UCHAR nx_secure_tls_prf_label_seed_buffer[80]; /* phash_seed = label(13 bytes) || prf_seed(64 bytes) */
UCHAR nx_secure_tls_prf_temp_A_buffer[100]; /* The temp_A buffer needs to be large enough to holdthe lable(13 bytes) || prf_seed(64 bytes) || hash_size(20 bytes for SHA1/MD5) */
UCHAR nx_secure_tls_prf_temp_hmac_output_buffer[20]; /* The temp buffer for the output buffer of hmac(secret, A(i) + seed) */
UCHAR nx_secure_tls_prf_hmac_metadata_area[sizeof(NX_CRYPTO_SHA1_HMAC) + sizeof(NX_CRYPTO_MD5_HMAC)]; /* metadata buffer for the hmac function */
} NX_CRYPTO_TLS_PRF_1;
UINT _nx_crypto_method_prf_1_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_prf_1_cleanup(VOID *crypto_metadata);
UINT _nx_crypto_method_prf_1_operation(UINT op, /* Encrypt, Decrypt, Authenticate */
VOID *handle, /* Crypto handler */
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 *packet_ptr, UINT status));
#ifdef __cplusplus
}
#endif
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