1 /* 2 * Copyright (c) 2021, The OpenThread Authors. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 3. Neither the name of the copyright holder nor the 13 * names of its contributors may be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef CRYPTO_CONTEXT_HPP_ 30 #define CRYPTO_CONTEXT_HPP_ 31 32 #include "openthread-core-config.h" 33 34 #include <openthread/crypto.h> 35 36 #if OPENTHREAD_CONFIG_CRYPTO_LIB == OPENTHREAD_CONFIG_CRYPTO_LIB_MBEDTLS 37 #include <mbedtls/aes.h> 38 #include <mbedtls/md.h> 39 #include <mbedtls/sha256.h> 40 #elif OPENTHREAD_CONFIG_CRYPTO_LIB == OPENTHREAD_CONFIG_CRYPTO_LIB_PSA 41 #include <psa/crypto.h> 42 #endif // OPENTHREAD_CONFIG_CRYPTO_LIB == OPENTHREAD_CONFIG_CRYPTO_LIB_MBEDTLS 43 44 namespace ot { 45 namespace Crypto { 46 47 #if OPENTHREAD_CONFIG_CRYPTO_LIB == OPENTHREAD_CONFIG_CRYPTO_LIB_MBEDTLS 48 49 constexpr uint16_t kAesContextSize = sizeof(mbedtls_aes_context); 50 constexpr uint16_t kHmacSha256ContextSize = sizeof(mbedtls_md_context_t); 51 constexpr uint16_t kHkdfContextSize = sizeof(otCryptoSha256Hash); 52 constexpr uint16_t kSha256ContextSize = sizeof(mbedtls_sha256_context); 53 54 #elif OPENTHREAD_CONFIG_CRYPTO_LIB == OPENTHREAD_CONFIG_CRYPTO_LIB_PSA 55 56 constexpr uint16_t kAesContextSize = sizeof(psa_key_id_t); 57 constexpr uint16_t kHmacSha256ContextSize = sizeof(psa_mac_operation_t); 58 constexpr uint16_t kHkdfContextSize = sizeof(psa_key_derivation_operation_t); 59 constexpr uint16_t kSha256ContextSize = sizeof(psa_hash_operation_t); 60 61 #else 62 63 constexpr uint16_t kAesContextSize = OPENTHREAD_CONFIG_AES_CONTEXT_SIZE; 64 constexpr uint16_t kHmacSha256ContextSize = OPENTHREAD_CONFIG_HMAC_SHA256_CONTEXT_SIZE; 65 constexpr uint16_t kHkdfContextSize = OPENTHREAD_CONFIG_HKDF_CONTEXT_SIZE; 66 constexpr uint16_t kSha256ContextSize = OPENTHREAD_CONFIG_SHA256_CONTEXT_SIZE; 67 68 #endif // OPENTHREAD_CONFIG_CRYPTO_LIB == OPENTHREAD_CONFIG_CRYPTO_LIB_MBEDTLS 69 70 } // namespace Crypto 71 } // namespace ot 72 73 #endif // CRYPTO_CONTEXT_HPP_ 74
