| /** |
| * \file psa/crypto_platform.h |
| * |
| * \brief PSA cryptography module: Mbed TLS platform definitions |
| * |
| * \note This file may not be included directly. Applications must |
| * include psa/crypto.h. |
| * |
| * This file contains platform-dependent type definitions. |
| * |
| * In implementations with isolation between the application and the |
| * cryptography module, implementers should take care to ensure that |
| * the definitions that are exposed to applications match what the |
| * module implements. |
| */ |
| /* |
| * Copyright The Mbed TLS Contributors |
| * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later |
| */ |
| |
| #ifndef PSA_CRYPTO_PLATFORM_H |
| #define PSA_CRYPTO_PLATFORM_H |
| #include "mbedtls/private_access.h" |
| |
| /* |
| * Include the build-time configuration information header. Here, we do not |
| * include `"mbedtls/build_info.h"` directly but `"psa/build_info.h"`, which |
| * is basically just an alias to it. This is to ease the maintenance of the |
| * TF-PSA-Crypto repository which has a different build system and |
| * configuration. |
| */ |
| #include "psa/build_info.h" |
| |
| /* PSA requires several types which C99 provides in stdint.h. */ |
| #include <stdint.h> |
| |
| #if defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER) |
| |
| /* Building for the PSA Crypto service on a PSA platform, a key owner is a PSA |
| * partition identifier. |
| * |
| * The function psa_its_identifier_of_slot() in psa_crypto_storage.c that |
| * translates a key identifier to a key storage file name assumes that |
| * mbedtls_key_owner_id_t is a 32-bit integer. This function thus needs |
| * reworking if mbedtls_key_owner_id_t is not defined as a 32-bit integer |
| * here anymore. |
| */ |
| typedef int32_t mbedtls_key_owner_id_t; |
| |
| /** Compare two key owner identifiers. |
| * |
| * \param id1 First key owner identifier. |
| * \param id2 Second key owner identifier. |
| * |
| * \return Non-zero if the two key owner identifiers are equal, zero otherwise. |
| */ |
| static inline int mbedtls_key_owner_id_equal(mbedtls_key_owner_id_t id1, |
| mbedtls_key_owner_id_t id2) |
| { |
| return id1 == id2; |
| } |
| |
| #endif /* MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER */ |
| |
| /* |
| * When MBEDTLS_PSA_CRYPTO_SPM is defined, the code is being built for SPM |
| * (Secure Partition Manager) integration which separates the code into two |
| * parts: NSPE (Non-Secure Processing Environment) and SPE (Secure Processing |
| * Environment). When building for the SPE, an additional header file should be |
| * included. |
| */ |
| #if defined(MBEDTLS_PSA_CRYPTO_SPM) |
| #define PSA_CRYPTO_SECURE 1 |
| #include "crypto_spe.h" |
| #endif // MBEDTLS_PSA_CRYPTO_SPM |
| |
| #if defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG) |
| /** The type of the context passed to mbedtls_psa_external_get_random(). |
| * |
| * Mbed TLS initializes the context to all-bits-zero before calling |
| * mbedtls_psa_external_get_random() for the first time. |
| * |
| * The definition of this type in the Mbed TLS source code is for |
| * demonstration purposes. Implementers of mbedtls_psa_external_get_random() |
| * are expected to replace it with a custom definition. |
| */ |
| typedef struct { |
| uintptr_t MBEDTLS_PRIVATE(opaque)[2]; |
| } mbedtls_psa_external_random_context_t; |
| #endif /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */ |
| |
| #endif /* PSA_CRYPTO_PLATFORM_H */ |