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2025-11-07 10:05:24 +08:00

70 lines
2.3 KiB
C

/**
* @file ske_gcm.h
* @brief Semidrive CRYPTO ske gcm header file.
*
* @copyright Copyright (c) 2021 Semidrive Semiconductor.
* All rights reserved.
*/
#ifndef SKE_GCM_H
#define SKE_GCM_H
#include "ske.h"
#ifdef __cplusplus
extern "C" {
#endif
#define SKE_HP_GCM_MAX_BYTES (16)
typedef struct {
uint8_t buf[16];
ske_ctx_t ske_gcm_ctx[1];
SKE_CRYPTO crypto;
uint32_t aad_bytes;
uint32_t c_bytes;
uint8_t current_bytes;
} ske_gcm_ctx_t;
uint32_t ske_hp_gcm_init(ske_gcm_ctx_t *ctx, SKE_ALG alg, SKE_CRYPTO crypto,
uint8_t *key, uint16_t sp_key_idx, uint8_t *iv,
uint32_t iv_bytes, uint32_t aad_bytes,
uint32_t c_bytes);
uint32_t ske_hp_gcm_aad(ske_gcm_ctx_t *ctx, uint8_t *aad);
uint32_t ske_hp_gcm_update(ske_gcm_ctx_t *ctx, uint8_t *in, uint8_t *out,
uint32_t bytes);
uint32_t ske_hp_gcm_final(ske_gcm_ctx_t *ctx, uint8_t *tag, uint32_t tag_bytes);
uint32_t ske_hp_gcm_crypto(SKE_ALG alg, SKE_CRYPTO crypto, uint8_t *key,
uint16_t sp_key_idx, uint8_t *iv, uint32_t iv_bytes,
uint8_t *aad, uint32_t aad_bytes, uint8_t *in,
uint8_t *out, uint32_t c_bytes, uint8_t *tag,
uint32_t tag_bytes);
#ifdef SKE_HP_DMA_FUNCTION
uint32_t ske_hp_dma_gcm_init(ske_gcm_ctx_t *ctx, SKE_ALG alg, SKE_CRYPTO crypto,
uint8_t *key, uint16_t sp_key_idx, uint8_t *iv,
uint32_t iv_bytes, uint32_t aad_bytes,
uint32_t c_bytes);
uint32_t ske_hp_dma_gcm_update_blocks(ske_gcm_ctx_t *ctx, uint32_t *in,
uint32_t *out, uint32_t tag_bytes);
uint32_t ske_hp_dma_gcm_final(ske_gcm_ctx_t *ctx);
uint32_t ske_hp_dma_gcm_crypto(SKE_ALG alg, SKE_CRYPTO crypto, uint8_t *key,
uint16_t sp_key_idx, uint8_t *iv,
uint32_t iv_bytes, uint32_t aad_bytes,
uint32_t *in, uint32_t *out, uint32_t c_bytes,
uint32_t tag_bytes);
#endif
#ifdef __cplusplus
}
#endif
#endif