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114 lines
3.4 KiB
C
Executable File
114 lines
3.4 KiB
C
Executable File
/*
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* Copyright (C) 2017-2020 Alibaba Group Holding Limited
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*/
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/******************************************************************************
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* @file seccrypt_mac.h
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* @brief Header File for MAC
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* @version V1.0
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* @date 20. Jul 2020
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* @model mac
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******************************************************************************/
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#ifndef _SC_MAC_H_
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#define _SC_MAC_H_
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#include "sec_include_config.h"
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#include <stdint.h>
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#include "sec_crypto_errcode.h"
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#include "sec_crypto_sha.h"
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#define SC_MAC_KEY_LEN_MAX (64)
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#define HMAC_SHA1_BLOCK_SIZE (64)
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#define HMAC_SHA224_BLOCK_SIZE (64)
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#define HMAC_SM3_BLOCK_SIZE (64)
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#define HMAC_SHA256_BLOCK_SIZE (64)
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#define HMAC_MD5_BLOCK_SIZE (64)
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#define HMAC_SHA384_BLOCK_SIZE (128)
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#define HMAC_SHA512_BLOCK_SIZE (128)
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#define HMAC_MAX_BLOCK_SIZE (128)
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct sc_mac {
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sc_sha_t sha;
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uint8_t key[HMAC_MAX_BLOCK_SIZE];
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sc_sha_mode_t mode;
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} sc_mac_t;
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#define MAC_CONTEXT_SIZE sizeof(sc_sha_context_t)
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typedef struct {
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uint8_t ctx[MAC_CONTEXT_SIZE];
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} sc_mac_context_t;
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/**
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\brief Initialize MAC Interface. Initializes the resources needed for the MAC interface
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\param[in] mac operate handle.
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\param[in] idx index of mac
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\return error code \ref uint32_t
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*/
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uint32_t sc_mac_init(sc_mac_t *mac, uint32_t idx);
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/**
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\brief De-initialize MAC Interface. stops operation and releases the software resources used by the interface
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\param[in] mac mac handle to operate.
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\return none
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*/
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void sc_mac_uninit(sc_mac_t *mac);
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/**
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\brief MAC set key function.
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\param[in] mac mac handle to operate.
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\param[in] key Pointer to the mac key.
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\param[in] key_len Length of key.
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\return error code
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*/
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uint32_t sc_mac_set_key(sc_mac_t *mac, uint8_t *key, uint32_t key_len);
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/**
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\brief MAC operation function.
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\param[in] mac mac handle to operate.
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\param[in] mode sc_sha_mode_t.
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\param[in] msg Pointer to the mac input message.
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\param[in] msg_len Length of msg.
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\param[out] out mac buffer, malloc by caller.
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\param[out] out_len out mac length, should 32 bytes if HMAC_SHA256 mode.
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\return error code
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*/
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uint32_t sc_mac_calc(sc_mac_t *mac, sc_sha_mode_t mode, uint8_t *msg,
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uint32_t msg_len, uint8_t *out, uint32_t *out_len);
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/**
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\brief MAC start operation function.
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\param[in] mac mac handle to operate.
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\param[in] context mac context pointer.
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\param[in] mode sc_sha_mode_t.
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\return error code
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*/
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uint32_t sc_mac_start(sc_mac_t *mac, sc_mac_context_t *context, sc_sha_mode_t mode);
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/**
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\brief MAC start operation function.
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\param[in] mac mac handle to operate.
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\param[in] context mac context pointer.
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\param[in] msg Pointer to the mac input message.
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\param[in] msg_len Length of msg.
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\return error code
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*/
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uint32_t sc_mac_update(sc_mac_t *mac, sc_mac_context_t *context, uint8_t *msg, uint32_t msg_len);
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/**
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\brief MAC start operation function.
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\param[in] mac mac handle to operate.
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\param[in] context mac context.
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\param[out] out mac buffer, malloc by caller.
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\param[out] out_len out mac length,
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\return error code
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*/
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uint32_t sc_mac_finish(sc_mac_t *mac, sc_mac_context_t *context, uint8_t *out, uint32_t *out_len);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SC_MAC_H_ */
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