71 lines
2.0 KiB
C
71 lines
2.0 KiB
C
/*****************************************************************************
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*
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*
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*Copyright (c) 2021-2029 Semidrive Incorporated. All rights reserved.
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*Software License Agreement
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*
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******************************************************************************
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*/
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#ifndef HMAC_H
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#define HMAC_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "hash.h"
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#define HMAC_IPAD (0x36363636)
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#define HMAC_OPAD (0x5c5c5c5c)
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#define HMAC_IPAD_XOR_OPAD (HMAC_IPAD ^ HMAC_OPAD)
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/*HMAC context*/
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typedef struct {
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uint32_t K0[HASH_BLOCK_MAX_WORD_LEN];
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uint32_t key_flag;
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HASH_ALG hash_alg;
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hash_ctx_t hash_ctx[1];
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} hmac_ctx_t;
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/*HMAC DMA context*/
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#ifdef HASH_DMA_FUNCTION
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typedef struct {
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hmac_ctx_t hmac_ctx[1];
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hash_dma_ctx_t hash_dma_ctx[1];
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} hmac_dma_ctx_t;
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#endif
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uint32_t hmac_init(hmac_ctx_t *ctx, HASH_ALG hash_alg, uint8_t *key,
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uint16_t sp_key_idx, uint32_t key_bytes);
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uint32_t hmac_update(hmac_ctx_t *ctx, const uint8_t *msg, uint32_t msg_bytes);
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uint32_t hmac_final(hmac_ctx_t *ctx, uint8_t *mac);
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uint32_t hmac(HASH_ALG hash_alg, uint8_t *key, uint16_t sp_key_idx,
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uint32_t key_bytes, uint8_t *msg, uint32_t msg_bytes,
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uint8_t *mac);
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#ifdef HASH_DMA_FUNCTION
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uint32_t hmac_dma_init(hmac_dma_ctx_t *ctx, HASH_ALG hash_alg,
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const uint8_t *key, uint16_t sp_key_idx,
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uint32_t key_bytes, HASH_CALLBACK callback);
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uint32_t hmac_dma_update_blocks(hmac_dma_ctx_t *ctx, uint32_t *msg,
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uint32_t msg_words, uint32_t *tmp_iterator);
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uint32_t hmac_dma_final(hmac_dma_ctx_t *ctx, uint32_t *remainder_msg,
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uint32_t remainder_bytes, uint32_t *tmp_iterator,
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uint8_t *mac);
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uint32_t hmac_dma(HASH_ALG hash_alg, uint8_t *key, uint16_t sp_key_idx,
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uint32_t key_bytes, uint32_t *msg, uint32_t msg_bytes,
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uint32_t *tmp_iterator, uint8_t *mac, HASH_CALLBACK callback);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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