km
479fcd37c1
- Fix BLAKE2s final block handling when len == fill - Fix key derivation order based on is_initiator flag - Add missing header files (se050_i2c_hal.h, se050_scp03.h) - Fix missing type definitions and includes - Update tests to set is_initiator and matching keys All 24 tests now pass.
59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/**
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* @file se050_session_internal.h
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* @brief SE050 Session Internal Definitions
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*
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* Internal definitions for session implementation.
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*
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* License: MIT (Clean-room implementation)
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*/
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#ifndef SE050_SESSION_INTERNAL_H
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#define SE050_SESSION_INTERNAL_H
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#include "se050_wireguard.h"
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#include <stdint.h>
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/* Session states */
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typedef enum {
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SESSION_STATE_CREATED = 0,
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SESSION_STATE_OPENED,
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SESSION_STATE_CLOSED,
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} session_state_t;
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/**
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* @brief SCP03 secure channel context
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*/
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typedef struct se050_scp03_ctx {
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struct se050_session_ctx *session; /**< Associated session */
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uint8_t enc_key[16]; /**< Encryption key */
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uint8_t mac_key[16]; /**< MAC key */
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uint8_t dek_key[16]; /**< DEK key */
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uint8_t cmd_icv[8]; /**< Command ICV */
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uint8_t rsp_icv[8]; /**< Response ICV */
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uint64_t cmd_counter; /**< Command counter */
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uint64_t rsp_counter; /**< Response counter */
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uint8_t initialized; /**< Initialization flag */
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} se050_scp03_ctx_t;
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/**
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* @brief RNG context (forward declaration)
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*/
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typedef struct se050_rng_ctx se050_rng_ctx_t;
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/**
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* @brief Session context structure
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*/
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typedef struct se050_session_ctx se050_session_ctx_t;
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struct se050_session_ctx {
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se050_i2c_hal_t *hal; /**< I2C HAL interface */
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session_state_t state; /**< Current session state */
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uint32_t session_id; /**< Unique session identifier */
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se050_scp03_ctx_t *scp03; /**< SCP03 secure channel context */
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uint8_t session_key[32]; /**< Session encryption key */
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size_t session_key_len; /**< Session key length */
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se050_rng_ctx_t *rng; /**< RNG context */
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};
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#endif /* SE050_SESSION_INTERNAL_H */
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