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TARGET_MBED_PSA_SRV/inc/psa/crypto_platform.h
1 /**
2  * \file psa/crypto_platform.h
3  *
4  * \brief PSA cryptography module: Mbed TLS platform definitions
5  *
6  * \note This file may not be included directly. Applications must
7  * include psa/crypto.h.
8  *
9  * This file contains platform-dependent type definitions.
10  *
11  * In implementations with isolation between the application and the
12  * cryptography module, implementers should take care to ensure that
13  * the definitions that are exposed to applications match what the
14  * module implements.
15  */
16 /*
17  * Copyright The Mbed TLS Contributors
18  * SPDX-License-Identifier: Apache-2.0
19  *
20  * Licensed under the Apache License, Version 2.0 (the "License"); you may
21  * not use this file except in compliance with the License.
22  * You may obtain a copy of the License at
23  *
24  * http://www.apache.org/licenses/LICENSE-2.0
25  *
26  * Unless required by applicable law or agreed to in writing, software
27  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
28  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
29  * See the License for the specific language governing permissions and
30  * limitations under the License.
31  */
32 
33 #ifndef PSA_CRYPTO_PLATFORM_H
34 #define PSA_CRYPTO_PLATFORM_H
35 
36 /* Include the Mbed TLS configuration file, the way Mbed TLS does it
37  * in each of its header files. */
38 #if !defined(MBEDTLS_CONFIG_FILE)
39 #include "mbedtls/config.h"
40 #else
41 #include MBEDTLS_CONFIG_FILE
42 #endif
43 
44 /* Translate between classic MBEDTLS_xxx feature symbols and PSA_xxx
45  * feature symbols. */
46 #include "mbedtls/config_psa.h"
47 
48 /* PSA requires several types which C99 provides in stdint.h. */
49 #include <stdint.h>
50 
51 #if ( defined(__ARMCC_VERSION) || defined(_MSC_VER) ) && \
52  !defined(inline) && !defined(__cplusplus)
53 #define inline __inline
54 #endif
55 
56 #if defined(MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER)
57 
58 /* Building for the PSA Crypto service on a PSA platform, a key owner is a PSA
59  * partition identifier.
60  *
61  * The function psa_its_identifier_of_slot() in psa_crypto_storage.c that
62  * translates a key identifier to a key storage file name assumes that
63  * mbedtls_key_owner_id_t is an 32 bits integer. This function thus needs
64  * reworking if mbedtls_key_owner_id_t is not defined as a 32 bits integer
65  * here anymore.
66  */
67 typedef int32_t mbedtls_key_owner_id_t;
68 
69 /** Compare two key owner identifiers.
70  *
71  * \param id1 First key owner identifier.
72  * \param id2 Second key owner identifier.
73  *
74  * \return Non-zero if the two key owner identifiers are equal, zero otherwise.
75  */
76 static inline int mbedtls_key_owner_id_equal( mbedtls_key_owner_id_t id1,
77  mbedtls_key_owner_id_t id2 )
78 {
79  return( id1 == id2 );
80 }
81 
82 #endif /* MBEDTLS_PSA_CRYPTO_KEY_ID_ENCODES_OWNER */
83 
84 #endif /* PSA_CRYPTO_PLATFORM_H */
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