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.
83 lines
2.9 KiB
C
83 lines
2.9 KiB
C
/**
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* @file se050_keystore_internal.h
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* @brief SE050 Key Store Internal Definitions
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*
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* Internal definitions for key store implementation.
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*
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* License: MIT (Clean-room implementation)
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*/
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#ifndef SE050_KEYSTORE_INTERNAL_H
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#define SE050_KEYSTORE_INTERNAL_H
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#include "se050_wireguard.h"
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#include "se050_session_internal.h"
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#include <stdint.h>
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#include <stddef.h>
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/* Key object types */
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typedef enum {
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KEY_PART_PRIVATE = 0,
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KEY_PART_PUBLIC,
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KEY_PART_PAIR,
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} key_part_t;
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/* Key cipher types */
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typedef enum {
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CIPHER_TYPE_NONE = 0,
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CIPHER_TYPE_EC_MONTGOMERY, /* X25519 */
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CIPHER_TYPE_EC_NIST_P256,
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CIPHER_TYPE_AES,
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} cipher_type_t;
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/* Key object flags */
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#define KEY_FLAG_PERSISTENT (1 << 0)
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#define KEY_FLAG_TRANSIENT (1 << 1)
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#define KEY_FLAG_GENERATED (1 << 2)
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#define KEY_FLAG_EXPORTED (1 << 3)
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/**
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* @brief Key object structure
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*/
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typedef struct {
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uint32_t key_id; /**< Key identifier */
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key_part_t key_part; /**< Key part (private/public/pair) */
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cipher_type_t cipher_type; /**< Cipher type */
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size_t key_size; /**< Key size in bytes */
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uint8_t flags; /**< Key flags */
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uint8_t private_key[32]; /**< Private key data (secure) */
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uint8_t public_key[32]; /**< Public key data */
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} key_object_t;
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/**
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* @brief Key store context structure
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*/
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typedef struct se050_keystore_ctx se050_keystore_ctx_t;
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struct se050_keystore_ctx {
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se050_session_ctx_t *session; /**< Associated session */
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key_object_t *objects; /**< Key objects array */
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size_t num_objects; /**< Number of key objects */
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size_t max_objects; /**< Maximum key objects */
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};
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/* Internal functions */
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key_object_t *find_key_object(se050_keystore_ctx_t *keystore, uint32_t key_id);
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key_object_t *allocate_key_object(se050_keystore_ctx_t *keystore);
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se050_status_t se050_keystore_generate_key(se050_keystore_ctx_t *keystore,
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uint32_t key_id,
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cipher_type_t cipher_type,
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size_t key_size,
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uint8_t *private_key,
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uint8_t *public_key);
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se050_status_t se050_keystore_get_public_key(se050_keystore_ctx_t *keystore,
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uint32_t key_id,
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uint8_t *public_key,
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size_t *key_size);
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se050_status_t se050_keystore_get_private_key(se050_keystore_ctx_t *keystore,
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uint32_t key_id,
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uint8_t *private_key,
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size_t *key_size);
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#endif /* SE050_KEYSTORE_INTERNAL_H */
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