1 /** 2 * \file psa_crypto_invasive.h 3 * 4 * \brief PSA cryptography module: invasive interfaces for test only. 5 * 6 * The interfaces in this file are intended for testing purposes only. 7 * They MUST NOT be made available to clients over IPC in integrations 8 * with isolation, and they SHOULD NOT be made available in library 9 * integrations except when building the library for testing. 10 */ 11 /* 12 * Copyright The Mbed TLS Contributors 13 * SPDX-License-Identifier: Apache-2.0 14 * 15 * Licensed under the Apache License, Version 2.0 (the "License"); you may 16 * not use this file except in compliance with the License. 17 * You may obtain a copy of the License at 18 * 19 * http://www.apache.org/licenses/LICENSE-2.0 20 * 21 * Unless required by applicable law or agreed to in writing, software 22 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 23 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 24 * See the License for the specific language governing permissions and 25 * limitations under the License. 26 */ 27 28 #ifndef PSA_CRYPTO_INVASIVE_H 29 #define PSA_CRYPTO_INVASIVE_H 30 31 #if defined(MBEDTLS_CONFIG_FILE) 32 #include MBEDTLS_CONFIG_FILE 33 #else 34 #include "mbedtls/config.h" 35 #endif 36 37 #include "psa/crypto.h" 38 #include "common.h" 39 40 #include "mbedtls/entropy.h" 41 42 #if !defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG) 43 /** \brief Configure entropy sources. 44 * 45 * This function may only be called before a call to psa_crypto_init(), 46 * or after a call to mbedtls_psa_crypto_free() and before any 47 * subsequent call to psa_crypto_init(). 48 * 49 * This function is only intended for test purposes. The functionality 50 * it provides is also useful for system integrators, but 51 * system integrators should configure entropy drivers instead of 52 * breaking through to the Mbed TLS API. 53 * 54 * \param entropy_init Function to initialize the entropy context 55 * and set up the desired entropy sources. 56 * It is called by psa_crypto_init(). 57 * By default this is mbedtls_entropy_init(). 58 * This function cannot report failures directly. 59 * To indicate a failure, set the entropy context 60 * to a state where mbedtls_entropy_func() will 61 * return an error. 62 * \param entropy_free Function to free the entropy context 63 * and associated resources. 64 * It is called by mbedtls_psa_crypto_free(). 65 * By default this is mbedtls_entropy_free(). 66 * 67 * \retval #PSA_SUCCESS 68 * Success. 69 * \retval #PSA_ERROR_NOT_PERMITTED 70 * The caller does not have the permission to configure 71 * entropy sources. 72 * \retval #PSA_ERROR_BAD_STATE 73 * The library has already been initialized. 74 */ 75 psa_status_t mbedtls_psa_crypto_configure_entropy_sources( 76 void (* entropy_init )( mbedtls_entropy_context *ctx ), 77 void (* entropy_free )( mbedtls_entropy_context *ctx ) ); 78 #endif /* !defined(MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG) */ 79 80 #if defined(MBEDTLS_TEST_HOOKS) && defined(MBEDTLS_PSA_CRYPTO_C) 81 psa_status_t psa_mac_key_can_do( 82 psa_algorithm_t algorithm, 83 psa_key_type_t key_type ); 84 #endif /* MBEDTLS_TEST_HOOKS && MBEDTLS_PSA_CRYPTO_C */ 85 86 #endif /* PSA_CRYPTO_INVASIVE_H */ 87