diff --git a/configs/crypto-config-ccm-aes-sha256.h b/configs/crypto-config-ccm-aes-sha256.h index 7f8d58768c..68a9c0a539 100644 --- a/configs/crypto-config-ccm-aes-sha256.h +++ b/configs/crypto-config-ccm-aes-sha256.h @@ -2,7 +2,7 @@ * \file configs/crypto-config-ccm-aes-sha256.h * * \brief PSA crypto configuration with only symmetric cryptography: CCM-AES, - * SHA-256, HMAC and key derivation + * SHA-256 and key derivation (uses HMAC). */ /* * Copyright The Mbed TLS Contributors @@ -13,12 +13,10 @@ #define PSA_CRYPTO_CONFIG_H #define PSA_WANT_ALG_CCM 1 -#define PSA_WANT_ALG_HMAC 1 #define PSA_WANT_ALG_SHA_256 1 #define PSA_WANT_ALG_TLS12_PRF 1 #define PSA_WANT_ALG_TLS12_PSK_TO_MS 1 #define PSA_WANT_KEY_TYPE_DERIVE 1 -#define PSA_WANT_KEY_TYPE_HMAC 1 #define PSA_WANT_KEY_TYPE_AES 1 #define PSA_WANT_KEY_TYPE_RAW_DATA 1 diff --git a/include/mbedtls/config_psa.h b/include/mbedtls/config_psa.h index 17da61b3e8..de961ec0f8 100644 --- a/include/mbedtls/config_psa.h +++ b/include/mbedtls/config_psa.h @@ -22,6 +22,8 @@ #include "psa/crypto_adjust_config_synonyms.h" +#include "psa/crypto_adjust_config_dependencies.h" + #include "mbedtls/config_adjust_psa_superset_legacy.h" #if defined(MBEDTLS_PSA_CRYPTO_CONFIG) diff --git a/include/psa/crypto_adjust_config_dependencies.h b/include/psa/crypto_adjust_config_dependencies.h new file mode 100644 index 0000000000..776f05b422 --- /dev/null +++ b/include/psa/crypto_adjust_config_dependencies.h @@ -0,0 +1,27 @@ +/** + * \file psa/crypto_adjust_config_dependencies.h + * \brief Adjust PSA configuration by resolving some dependencies. + * + * See docs/proposed/psa-conditional-inclusion-c.md. + * If a cryptographic mechanism A depends on a cryptographic mechanism B and + * A is enabled then enable B. + */ +/* + * Copyright The Mbed TLS Contributors + * SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later + */ + +#ifndef PSA_CRYPTO_ADJUST_CONFIG_DEPENDENCIES_H +#define PSA_CRYPTO_ADJUST_CONFIG_DEPENDENCIES_H + +#if defined(PSA_WANT_ALG_TLS12_PRF) || \ + defined(PSA_WANT_ALG_TLS12_PSK_TO_MS) || \ + defined(PSA_WANT_ALG_HKDF) || \ + defined(PSA_WANT_ALG_HKDF_EXTRACT) || \ + defined(PSA_WANT_ALG_HKDF_EXPAND) || \ + defined(PSA_WANT_ALG_PBKDF2_HMAC) +#define PSA_WANT_ALG_HMAC 1 +#define PSA_WANT_KEY_TYPE_HMAC 1 +#endif + +#endif /* PSA_CRYPTO_ADJUST_CONFIG_DEPENDENCIES_H */