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87 lines
3.5 KiB
C
87 lines
3.5 KiB
C
/*
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* PSA cipher driver entry points
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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_CIPHER_H
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#define PSA_CRYPTO_CIPHER_H
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#include <psa/crypto.h>
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/**
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* \brief Set the key for a multipart symmetric encryption operation.
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*
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* \note The signature of this function is that of a PSA driver
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* cipher_encrypt_setup entry point. This function behaves as a
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* cipher_encrypt_setup entry point as defined in the PSA driver
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* interface specification for transparent drivers.
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*
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* \param[in,out] operation The operation object to set up. It has been
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* initialized as per the documentation for
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* #psa_cipher_operation_t and not yet in use.
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* \param[in] attributes The attributes of the key to use for the
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* operation.
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* \param[in] key_buffer The buffer containing the key context.
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* \param[in] key_buffer_size Size of the \p key_buffer buffer in bytes.
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* \param[in] alg The cipher algorithm to compute
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* (\c PSA_ALG_XXX value such that
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* #PSA_ALG_IS_CIPHER(\p alg) is true).
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*
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* \retval #PSA_SUCCESS
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* \retval #PSA_ERROR_NOT_SUPPORTED
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* \retval #PSA_ERROR_INSUFFICIENT_MEMORY
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* \retval #PSA_ERROR_CORRUPTION_DETECTED
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*/
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psa_status_t mbedtls_psa_cipher_encrypt_setup(
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psa_cipher_operation_t *operation,
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const psa_key_attributes_t *attributes,
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const uint8_t *key_buffer, size_t key_buffer_size,
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psa_algorithm_t alg );
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/**
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* \brief Set the key for a multipart symmetric decryption operation.
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*
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* \note The signature of this function is that of a PSA driver
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* cipher_decrypt_setup entry point. This function behaves as a
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* cipher_decrypt_setup entry point as defined in the PSA driver
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* interface specification for transparent drivers.
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*
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* \param[in,out] operation The operation object to set up. It has been
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* initialized as per the documentation for
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* #psa_cipher_operation_t and not yet in use.
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* \param[in] attributes The attributes of the key to use for the
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* operation.
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* \param[in] key_buffer The buffer containing the key context.
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* \param[in] key_buffer_size Size of the \p key_buffer buffer in bytes.
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* \param[in] alg The cipher algorithm to compute
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* (\c PSA_ALG_XXX value such that
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* #PSA_ALG_IS_CIPHER(\p alg) is true).
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*
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* \retval #PSA_SUCCESS
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* \retval #PSA_ERROR_NOT_SUPPORTED
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* \retval #PSA_ERROR_INSUFFICIENT_MEMORY
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* \retval #PSA_ERROR_CORRUPTION_DETECTED
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*/
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psa_status_t mbedtls_psa_cipher_decrypt_setup(
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psa_cipher_operation_t *operation,
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const psa_key_attributes_t *attributes,
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const uint8_t *key_buffer, size_t key_buffer_size,
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psa_algorithm_t alg );
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#endif /* PSA_CRYPTO_CIPHER_H */
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