block_cipher.h

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/*
 *  Copyright The Mbed TLS Contributors
 *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
 */
#ifndef MBEDTLS_BLOCK_CIPHER_H
#define MBEDTLS_BLOCK_CIPHER_H
 
#include "mbedtls/private_access.h"
 
#include "mbedtls/build_info.h"
 
#if defined(MBEDTLS_AES_C)
#include "mbedtls/aes.h"
#endif
#if defined(MBEDTLS_ARIA_C)
#include "mbedtls/aria.h"
#endif
#if defined(MBEDTLS_CAMELLIA_C)
#include "mbedtls/camellia.h"
#endif
 
#if defined(MBEDTLS_BLOCK_CIPHER_SOME_PSA)
#include "psa/crypto_types.h"
#endif
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef enum {
    MBEDTLS_BLOCK_CIPHER_ID_NONE = 0,  
    MBEDTLS_BLOCK_CIPHER_ID_AES,       
    MBEDTLS_BLOCK_CIPHER_ID_CAMELLIA,  
    MBEDTLS_BLOCK_CIPHER_ID_ARIA,      
} mbedtls_block_cipher_id_t;
 
typedef enum {
    MBEDTLS_BLOCK_CIPHER_ENGINE_LEGACY = 0,
    MBEDTLS_BLOCK_CIPHER_ENGINE_PSA,
} mbedtls_block_cipher_engine_t;
 
typedef struct {
    mbedtls_block_cipher_id_t MBEDTLS_PRIVATE(id);
#if defined(MBEDTLS_BLOCK_CIPHER_SOME_PSA)
    mbedtls_block_cipher_engine_t MBEDTLS_PRIVATE(engine);
    mbedtls_svc_key_id_t MBEDTLS_PRIVATE(psa_key_id);
#endif
    union {
        unsigned dummy; /* Make the union non-empty even with no supported algorithms. */
#if defined(MBEDTLS_AES_C)
        mbedtls_aes_context MBEDTLS_PRIVATE(aes);
#endif
#if defined(MBEDTLS_ARIA_C)
        mbedtls_aria_context MBEDTLS_PRIVATE(aria);
#endif
#if defined(MBEDTLS_CAMELLIA_C)
        mbedtls_camellia_context MBEDTLS_PRIVATE(camellia);
#endif
    } MBEDTLS_PRIVATE(ctx);
} mbedtls_block_cipher_context_t;
 
#ifdef __cplusplus
}
#endif
 
#endif /* MBEDTLS_BLOCK_CIPHER_H */