79 lines
2.1 KiB
C
79 lines
2.1 KiB
C
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/************************************************************************
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* Copyright (CompanyNameMagicTag) CompanyNameMagicTag
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* ALL RIGHTS RESERVED
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* FileName: uart_auth.h
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* Description:
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*
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*************************************************************************/
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#ifndef __UART_AUTH_H__
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#define __UART_AUTH_H__
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#include <secure.h>
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#define UART_PACKET_START_FLAG (0xDEADBEEF)
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#define UART_PACKET_PAYLOAD_MAX (2048)
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#define UART_AUTH_CHALLANGE_LEN (48) /* 1536/8/4 = 48 */
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#define RANDOM_BITS (1536)
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#define CHANLLANGE_BITS (1024)
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#define CHANLLANGE_K_BITS_MIN (16)
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#define CHANLLANGE_K_BITS_MAX (CHANLLANGE_BITS)
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#define CHANLLANGE_MULTI (4)
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enum {
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UART_AUTH_TYPE_RANDOM = 1,
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UART_AUTH_TYPE_CHALLANGE,
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UART_AUTH_TYPE_CTRL_B,
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UART_AUTH_TYPE_CTRL_C,
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};
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typedef struct
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{
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td_u32 start_flag; /**< Start ID: 0xDEADBEEF */
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td_u16 packet_size; /**< Packet length: indicates the actual length of transmitted data.
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The value cannot exceed 2048 bytes. */
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td_u16 check_sum; /**< Checksum */
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td_u16 type; /**< Packet Type */
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td_u16 pad;
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} PACKET_DATA_HEAD;
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typedef struct
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{
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PACKET_DATA_HEAD head;
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td_u8 payload[UART_PACKET_PAYLOAD_MAX]; /**< Packet data */
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} PACKET_DATA_INFO;
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typedef struct
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{
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td_u16 signature_len; /**< Signature length: RSA2048: 256 bytes */
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td_u16 pubkey_n_len; /**< Length of the public key N: RSA2048: 256 bytes */
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td_u16 pubkey_e_len; /**< Length of the public key E<><45>0x010001<30><31>The default value is 3 bytes */
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td_u8 padding_mode; /**< Padding mode<64><65>ext_rsa_padding_mode */
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td_u8 pad;
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} SIGN_PUBKEY_FRAME_HEAD_S;
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typedef struct
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{
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td_u8 mod_n[RSA_2048_LENGTH];
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td_u8 exp_e[RSA_2048_LENGTH];
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} UART_AUTH_PUBKEY_S;
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/* UART AUTH context */
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typedef struct
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{
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td_u8 status;
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td_u8 pad;
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td_u16 received;
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td_u32 random[UART_AUTH_CHALLANGE_LEN];
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PACKET_DATA_INFO packet;
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UART_AUTH_PUBKEY_S pubkey;
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} UART_AUTH_CTX_S;
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UART_AUTH_CTX_S *uart_auth_ctx(td_void);
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#endif // __UART_AUTH_H__
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