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net.ssl: switch to mbedtls over openssl (#15841)
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165
thirdparty/mbedtls/include/psa/crypto_compat.h
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thirdparty/mbedtls/include/psa/crypto_compat.h
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/**
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* \file psa/crypto_compat.h
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*
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* \brief PSA cryptography module: Backward compatibility aliases
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*
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* This header declares alternative names for macro and functions.
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* New application code should not use these names.
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* These names may be removed in a future version of Mbed Crypto.
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*
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* \note This file may not be included directly. Applications must
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* include psa/crypto.h.
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*/
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/*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef PSA_CRYPTO_COMPAT_H
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#define PSA_CRYPTO_COMPAT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* To support both openless APIs and psa_open_key() temporarily, define
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* psa_key_handle_t to be equal to mbedtls_svc_key_id_t. Do not mark the
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* type and its utility macros and functions deprecated yet. This will be done
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* in a subsequent phase.
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*/
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typedef mbedtls_svc_key_id_t psa_key_handle_t;
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#define PSA_KEY_HANDLE_INIT MBEDTLS_SVC_KEY_ID_INIT
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/** Check whether an handle is null.
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*
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* \param handle Handle
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*
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* \return Non-zero if the handle is null, zero otherwise.
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*/
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static inline int psa_key_handle_is_null( psa_key_handle_t handle )
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{
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return( mbedtls_svc_key_id_is_null( handle ) );
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}
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/** Open a handle to an existing persistent key.
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*
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* Open a handle to a persistent key. A key is persistent if it was created
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* with a lifetime other than #PSA_KEY_LIFETIME_VOLATILE. A persistent key
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* always has a nonzero key identifier, set with psa_set_key_id() when
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* creating the key. Implementations may provide additional pre-provisioned
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* keys that can be opened with psa_open_key(). Such keys have an application
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* key identifier in the vendor range, as documented in the description of
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* #psa_key_id_t.
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*
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* The application must eventually close the handle with psa_close_key() or
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* psa_destroy_key() to release associated resources. If the application dies
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* without calling one of these functions, the implementation should perform
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* the equivalent of a call to psa_close_key().
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*
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* Some implementations permit an application to open the same key multiple
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* times. If this is successful, each call to psa_open_key() will return a
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* different key handle.
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*
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* \note This API is not part of the PSA Cryptography API Release 1.0.0
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* specification. It was defined in the 1.0 Beta 3 version of the
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* specification but was removed in the 1.0.0 released version. This API is
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* kept for the time being to not break applications relying on it. It is not
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* deprecated yet but will be in the near future.
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*
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* \note Applications that rely on opening a key multiple times will not be
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* portable to implementations that only permit a single key handle to be
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* opened. See also :ref:\`key-handles\`.
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*
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*
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* \param key The persistent identifier of the key.
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* \param[out] handle On success, a handle to the key.
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*
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* \retval #PSA_SUCCESS
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* Success. The application can now use the value of `*handle`
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* to access the key.
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* \retval #PSA_ERROR_INSUFFICIENT_MEMORY
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* The implementation does not have sufficient resources to open the
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* key. This can be due to reaching an implementation limit on the
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* number of open keys, the number of open key handles, or available
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* memory.
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* \retval #PSA_ERROR_DOES_NOT_EXIST
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* There is no persistent key with key identifier \p key.
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* \retval #PSA_ERROR_INVALID_ARGUMENT
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* \p key is not a valid persistent key identifier.
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* \retval #PSA_ERROR_NOT_PERMITTED
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* The specified key exists, but the application does not have the
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* permission to access it. Note that this specification does not
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* define any way to create such a key, but it may be possible
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* through implementation-specific means.
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* \retval #PSA_ERROR_COMMUNICATION_FAILURE
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* \retval #PSA_ERROR_CORRUPTION_DETECTED
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* \retval #PSA_ERROR_STORAGE_FAILURE
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* \retval #PSA_ERROR_DATA_INVALID
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* \retval #PSA_ERROR_DATA_CORRUPT
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* \retval #PSA_ERROR_BAD_STATE
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* The library has not been previously initialized by psa_crypto_init().
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* It is implementation-dependent whether a failure to initialize
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* results in this error code.
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*/
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psa_status_t psa_open_key( mbedtls_svc_key_id_t key,
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psa_key_handle_t *handle );
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/** Close a key handle.
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*
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* If the handle designates a volatile key, this will destroy the key material
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* and free all associated resources, just like psa_destroy_key().
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*
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* If this is the last open handle to a persistent key, then closing the handle
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* will free all resources associated with the key in volatile memory. The key
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* data in persistent storage is not affected and can be opened again later
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* with a call to psa_open_key().
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*
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* Closing the key handle makes the handle invalid, and the key handle
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* must not be used again by the application.
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*
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* \note This API is not part of the PSA Cryptography API Release 1.0.0
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* specification. It was defined in the 1.0 Beta 3 version of the
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* specification but was removed in the 1.0.0 released version. This API is
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* kept for the time being to not break applications relying on it. It is not
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* deprecated yet but will be in the near future.
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*
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* \note If the key handle was used to set up an active
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* :ref:\`multipart operation <multipart-operations>\`, then closing the
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* key handle can cause the multipart operation to fail. Applications should
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* maintain the key handle until after the multipart operation has finished.
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*
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* \param handle The key handle to close.
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* If this is \c 0, do nothing and return \c PSA_SUCCESS.
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*
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* \retval #PSA_SUCCESS
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* \p handle was a valid handle or \c 0. It is now closed.
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* \retval #PSA_ERROR_INVALID_HANDLE
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* \p handle is not a valid handle nor \c 0.
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* \retval #PSA_ERROR_COMMUNICATION_FAILURE
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* \retval #PSA_ERROR_CORRUPTION_DETECTED
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* \retval #PSA_ERROR_BAD_STATE
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* The library has not been previously initialized by psa_crypto_init().
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* It is implementation-dependent whether a failure to initialize
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* results in this error code.
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*/
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psa_status_t psa_close_key(psa_key_handle_t handle);
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#ifdef __cplusplus
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}
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#endif
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#endif /* PSA_CRYPTO_COMPAT_H */
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