ifx-tlv.h

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// SPDX-FileCopyrightText: Copyright (c) 2024-2026 Infineon Technologies AG
// SPDX-License-Identifier: MIT
 
#ifndef IFX_TLV_H
#define IFX_TLV_H
 
#include "ifx-utils-lib.h"
#include "ifx-utils.h"
#include "infineon/ifx-error.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* Function identifier */
 
#define IFX_TLV_DGI_ENCODER               UINT8_C(0x01)
 
#define IFX_TLV_DGI_DECODER               UINT8_C(0x02)
 
#define IFX_TLV_DGI_2B_LEN_IDENTIFIER     UINT8_C(0xFF)
 
#define IFX_TLV_DGI_LEN_IDENTIFIER_SIZE   UINT8_C(0x01)
 
#define IFX_TLV_DGI_MIN_LEN_SIZE          UINT8_C(0x01)
 
#define IFX_TLV_DGI_TAG_SIZE              UINT8_C(0x02)
 
#define IFX_TLV_DGI_LEN_SIZE_1B           UINT8_C(0x01)
 
#define IFX_TLV_DGI_LEN_SIZE_2B           UINT8_C(0x02)
 
#define IFX_TLV_DGI_LEN_WITH_ID_SIZE      UINT8_C(0x03)
 
#define IFX_TLV_DGI_ENCODED_BYTES_INVALID UINT8_C(0xF9)
 
typedef struct
{
    uint16_t tag;
 
    uint32_t length;
 
    uint8_t *value;
} ifx_tlv_t;
 
ifx_status_t ifx_tlv_dgi_encode(const ifx_tlv_t *tlv_data,
                                uint32_t tlv_data_count,
                                ifx_blob_t *encoded_bytes);
 
ifx_status_t ifx_tlv_dgi_decode(const ifx_blob_t *encoded_bytes,
                                uint32_t *tlv_data_count, ifx_tlv_t *tlv_data);
#ifdef __cplusplus
}
 
#endif /* __cplusplus */
#endif /* IFX_TLV_H */