/* * Test driver for context size functions */ /* Copyright The Mbed TLS Contributors * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the "License"); you may * not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef PSA_CRYPTO_TEST_DRIVERS_SIZE_H #define PSA_CRYPTO_TEST_DRIVERS_SIZE_H #if !defined(MBEDTLS_CONFIG_FILE) #include "mbedtls/config.h" #else #include MBEDTLS_CONFIG_FILE #endif #if defined(PSA_CRYPTO_DRIVER_TEST) #include typedef struct { unsigned int context; } test_driver_key_context_t; /** \def TEST_DRIVER_KEY_CONTEXT_BASE_SIZE * * This macro returns the base size for the key context. It is the size of the * driver specific information stored in each key context. */ #define TEST_DRIVER_KEY_CONTEXT_BASE_SIZE sizeof( test_driver_key_context_t ) /** \def TEST_DRIVER_KEY_CONTEXT_KEY_PAIR_SIZE * * Number of bytes included in every key context for a key pair. * * This pair size is for an ECC 256-bit private/public key pair. * Based on this value, the size of the private key can be derived by * subtracting the public key size below from this one. */ #define TEST_DRIVER_KEY_CONTEXT_KEY_PAIR_SIZE 65 /** \def TEST_DRIVER_KEY_CONTEXT_PUBLIC_KEY_SIZE * * Number of bytes included in every key context for a public key. * * For ECC public keys, it needs 257 bits so 33 bytes. */ #define TEST_DRIVER_KEY_CONTEXT_PUBLIC_KEY_SIZE 33 /** \def TEST_DRIVER_KEY_CONTEXT_SYMMETRIC_FACTOR * * Every key context for a symmetric key includes this many times the key size. */ #define TEST_DRIVER_KEY_CONTEXT_SYMMETRIC_FACTOR 0 /** \def TEST_DRIVER_KEY_CONTEXT_STORE_PUBLIC_KEY * * If this is true for a key pair, the key context includes space for the public key. * If this is false, no additional space is added for the public key. * * For this instance, store the public key with the private one. */ #define TEST_DRIVER_KEY_CONTEXT_STORE_PUBLIC_KEY 1 /** \def TEST_DRIVER_KEY_CONTEXT_SIZE_FUNCTION * * If TEST_DRIVER_KEY_CONTEXT_SIZE_FUNCTION is defined, the test driver * provides a size_function entry point, otherwise, it does not. * * Some opaque drivers have the need to support a custom size for the storage * of key and context information. The size_function provides the ability to * provide that customization. */ //#define TEST_DRIVER_KEY_CONTEXT_SIZE_FUNCTION #ifdef TEST_DRIVER_KEY_CONTEXT_SIZE_FUNCTION size_t test_size_function( const psa_key_type_t key_type, const size_t key_bits ); #endif /* TEST_DRIVER_KEY_CONTEXT_SIZE_FUNCTION */ #endif /* PSA_CRYPTO_DRIVER_TEST */ #endif /* PSA_CRYPTO_TEST_DRIVERS_SIZE_H */