Adapt TF-M configurations to config split

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/configs/ext/crypto_config_profile_medium.h b/configs/ext/crypto_config_profile_medium.h
index 2871c94..67de4c0 100644
--- a/configs/ext/crypto_config_profile_medium.h
+++ b/configs/ext/crypto_config_profile_medium.h
@@ -9,37 +9,149 @@
  * \brief PSA crypto configuration options (set of defines)
  *
  */
-#if defined(MBEDTLS_PSA_CRYPTO_CONFIG)
-/**
- * When #MBEDTLS_PSA_CRYPTO_CONFIG is enabled in mbedtls_config.h,
- * this file determines which cryptographic mechanisms are enabled
- * through the PSA Cryptography API (\c psa_xxx() functions).
- *
- * To enable a cryptographic mechanism, uncomment the definition of
- * the corresponding \c PSA_WANT_xxx preprocessor symbol.
- * To disable a cryptographic mechanism, comment out the definition of
- * the corresponding \c PSA_WANT_xxx preprocessor symbol.
- * The names of cryptographic mechanisms correspond to values
- * defined in psa/crypto_values.h, with the prefix \c PSA_WANT_ instead
- * of \c PSA_.
- *
- * Note that many cryptographic mechanisms involve two symbols: one for
- * the key type (\c PSA_WANT_KEY_TYPE_xxx) and one for the algorithm
- * (\c PSA_WANT_ALG_xxx). Mechanisms with additional parameters may involve
- * additional symbols.
- */
-#else
-/**
- * When \c MBEDTLS_PSA_CRYPTO_CONFIG is disabled in mbedtls_config.h,
- * this file is not used, and cryptographic mechanisms are supported
- * through the PSA API if and only if they are supported through the
- * mbedtls_xxx API.
- */
-#endif
 
 #ifndef PROFILE_M_PSA_CRYPTO_CONFIG_H
 #define PROFILE_M_PSA_CRYPTO_CONFIG_H
 
+/**
+ * \name SECTION: Platform abstraction layer
+ *
+ * This section sets platform specific settings.
+ * \{
+ */
+
+/**
+ * \def MBEDTLS_MEMORY_BUFFER_ALLOC_C
+ *
+ * Enable the buffer allocator implementation that makes use of a (stack)
+ * based buffer to 'allocate' dynamic memory. (replaces calloc() and free()
+ * calls)
+ *
+ * Module:  library/memory_buffer_alloc.c
+ *
+ * Requires: MBEDTLS_PLATFORM_C
+ *           MBEDTLS_PLATFORM_MEMORY (to use it within Mbed TLS)
+ *
+ * Enable this module to enable the buffer memory allocator.
+ */
+#define MBEDTLS_MEMORY_BUFFER_ALLOC_C
+
+/**
+ * \def MBEDTLS_PLATFORM_C
+ *
+ * Enable the platform abstraction layer that allows you to re-assign
+ * functions like calloc(), free(), snprintf(), printf(), fprintf(), exit().
+ *
+ * Enabling MBEDTLS_PLATFORM_C enables to use of MBEDTLS_PLATFORM_XXX_ALT
+ * or MBEDTLS_PLATFORM_XXX_MACRO directives, allowing the functions mentioned
+ * above to be specified at runtime or compile time respectively.
+ *
+ * \note This abstraction layer must be enabled on Windows (including MSYS2)
+ * as other modules rely on it for a fixed snprintf implementation.
+ *
+ * Module:  library/platform.c
+ * Caller:  Most other .c files
+ *
+ * This module enables abstraction of common (libc) functions.
+ */
+#define MBEDTLS_PLATFORM_C
+
+/**
+ * \def MBEDTLS_PLATFORM_MEMORY
+ *
+ * Enable the memory allocation layer.
+ *
+ * By default Mbed TLS uses the system-provided calloc() and free().
+ * This allows different allocators (self-implemented or provided) to be
+ * provided to the platform abstraction layer.
+ *
+ * Enabling #MBEDTLS_PLATFORM_MEMORY without the
+ * MBEDTLS_PLATFORM_{FREE,CALLOC}_MACROs will provide
+ * "mbedtls_platform_set_calloc_free()" allowing you to set an alternative calloc() and
+ * free() function pointer at runtime.
+ *
+ * Enabling #MBEDTLS_PLATFORM_MEMORY and specifying
+ * MBEDTLS_PLATFORM_{CALLOC,FREE}_MACROs will allow you to specify the
+ * alternate function at compile time.
+ *
+ * An overview of how the value of mbedtls_calloc is determined:
+ *
+ * - if !MBEDTLS_PLATFORM_MEMORY
+ *     - mbedtls_calloc = calloc
+ * - if MBEDTLS_PLATFORM_MEMORY
+ *     - if (MBEDTLS_PLATFORM_CALLOC_MACRO && MBEDTLS_PLATFORM_FREE_MACRO):
+ *         - mbedtls_calloc = MBEDTLS_PLATFORM_CALLOC_MACRO
+ *     - if !(MBEDTLS_PLATFORM_CALLOC_MACRO && MBEDTLS_PLATFORM_FREE_MACRO):
+ *         - Dynamic setup via mbedtls_platform_set_calloc_free is now possible with a default value MBEDTLS_PLATFORM_STD_CALLOC.
+ *         - How is MBEDTLS_PLATFORM_STD_CALLOC handled?
+ *         - if MBEDTLS_PLATFORM_NO_STD_FUNCTIONS:
+ *             - MBEDTLS_PLATFORM_STD_CALLOC is not set to anything;
+ *             - MBEDTLS_PLATFORM_STD_MEM_HDR can be included if present;
+ *         - if !MBEDTLS_PLATFORM_NO_STD_FUNCTIONS:
+ *             - if MBEDTLS_PLATFORM_STD_CALLOC is present:
+ *                 - User-defined MBEDTLS_PLATFORM_STD_CALLOC is respected;
+ *             - if !MBEDTLS_PLATFORM_STD_CALLOC:
+ *                 - MBEDTLS_PLATFORM_STD_CALLOC = calloc
+ *
+ *         - At this point the presence of MBEDTLS_PLATFORM_STD_CALLOC is checked.
+ *         - if !MBEDTLS_PLATFORM_STD_CALLOC
+ *             - MBEDTLS_PLATFORM_STD_CALLOC = uninitialized_calloc
+ *
+ *         - mbedtls_calloc = MBEDTLS_PLATFORM_STD_CALLOC.
+ *
+ * Defining MBEDTLS_PLATFORM_CALLOC_MACRO and #MBEDTLS_PLATFORM_STD_CALLOC at the same time is not possible.
+ * MBEDTLS_PLATFORM_CALLOC_MACRO and MBEDTLS_PLATFORM_FREE_MACRO must both be defined or undefined at the same time.
+ * #MBEDTLS_PLATFORM_STD_CALLOC and #MBEDTLS_PLATFORM_STD_FREE do not have to be defined at the same time, as, if they are used,
+ * dynamic setup of these functions is possible. See the tree above to see how are they handled in all cases.
+ * An uninitialized #MBEDTLS_PLATFORM_STD_CALLOC always fails, returning a null pointer.
+ * An uninitialized #MBEDTLS_PLATFORM_STD_FREE does not do anything.
+ *
+ * Requires: MBEDTLS_PLATFORM_C
+ *
+ * Enable this layer to allow use of alternative memory allocators.
+ */
+#define MBEDTLS_PLATFORM_MEMORY
+
+/**
+ * \def MBEDTLS_PLATFORM_NO_STD_FUNCTIONS
+ *
+ * Do not assign standard functions in the platform layer (e.g. calloc() to
+ * MBEDTLS_PLATFORM_STD_CALLOC and printf() to MBEDTLS_PLATFORM_STD_PRINTF)
+ *
+ * This makes sure there are no linking errors on platforms that do not support
+ * these functions. You will HAVE to provide alternatives, either at runtime
+ * via the platform_set_xxx() functions or at compile time by setting
+ * the MBEDTLS_PLATFORM_STD_XXX defines, or enabling a
+ * MBEDTLS_PLATFORM_XXX_MACRO.
+ *
+ * Requires: MBEDTLS_PLATFORM_C
+ *
+ * Uncomment to prevent default assignment of standard functions in the
+ * platform layer.
+ */
+#define MBEDTLS_PLATFORM_NO_STD_FUNCTIONS
+
+#define MBEDTLS_PLATFORM_PRINTF_ALT
+
+/* To use the following function macros, MBEDTLS_PLATFORM_C must be enabled. */
+/* MBEDTLS_PLATFORM_XXX_MACRO and MBEDTLS_PLATFORM_XXX_ALT cannot both be defined */
+
+#include <stdio.h>
+
+#define MBEDTLS_PLATFORM_SNPRINTF_MACRO    snprintf
+#define MBEDTLS_PLATFORM_STD_EXIT_FAILURE  EXIT_FAILURE
+#define MBEDTLS_PLATFORM_STD_EXIT_SUCCESS  EXIT_SUCCESS
+
+#define MBEDTLS_PLATFORM_STD_MEM_HDR   <stdlib.h>
+
+/** \} name SECTION: Platform abstraction layer */
+
+/**
+ * \name SECTION: SECTION Cryptographic mechanism selection (PSA API)
+ *
+ * This section sets PSA API settings.
+ * \{
+ */
 /*
  * CBC-MAC is not yet supported via the PSA API in Mbed TLS.
  */
@@ -125,6 +237,406 @@
 #define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_GENERATE 1
 //#define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_DERIVE   1
 
+/** \} name SECTION Cryptographic mechanism selection (PSA API) */
+
+/**
+ * \name SECTION: PSA core
+ *
+ * This section sets PSA specific settings.
+ * \{
+ */
+
+/**
+ * \def MBEDTLS_ENTROPY_C
+ *
+ * Enable the platform-specific entropy code.
+ *
+ * Module:  library/entropy.c
+ * Caller:
+ *
+ * Requires: MBEDTLS_SHA512_C or MBEDTLS_SHA256_C
+ *
+ * This module provides a generic entropy pool
+ */
+#define MBEDTLS_ENTROPY_C
+
+/**
+ * \def MBEDTLS_ENTROPY_NV_SEED
+ *
+ * Enable the non-volatile (NV) seed file-based entropy source.
+ * (Also enables the NV seed read/write functions in the platform layer)
+ *
+ * This is crucial (if not required) on systems that do not have a
+ * cryptographic entropy source (in hardware or kernel) available.
+ *
+ * Requires: MBEDTLS_ENTROPY_C, MBEDTLS_PLATFORM_C
+ *
+ * \note The read/write functions that are used by the entropy source are
+ *       determined in the platform layer, and can be modified at runtime and/or
+ *       compile-time depending on the flags (MBEDTLS_PLATFORM_NV_SEED_*) used.
+ *
+ * \note If you use the default implementation functions that read a seedfile
+ *       with regular fopen(), please make sure you make a seedfile with the
+ *       proper name (defined in MBEDTLS_PLATFORM_STD_NV_SEED_FILE) and at
+ *       least MBEDTLS_ENTROPY_BLOCK_SIZE bytes in size that can be read from
+ *       and written to or you will get an entropy source error! The default
+ *       implementation will only use the first MBEDTLS_ENTROPY_BLOCK_SIZE
+ *       bytes from the file.
+ *
+ * \note The entropy collector will write to the seed file before entropy is
+ *       given to an external source, to update it.
+ */
+#define MBEDTLS_ENTROPY_NV_SEED
+
+/**
+ * \def MBEDTLS_NO_PLATFORM_ENTROPY
+ *
+ * Do not use built-in platform entropy functions.
+ * This is useful if your platform does not support
+ * standards like the /dev/urandom or Windows CryptoAPI.
+ *
+ * Uncomment this macro to disable the built-in platform entropy functions.
+ */
+#define MBEDTLS_NO_PLATFORM_ENTROPY
+
+/**
+ * \def MBEDTLS_PSA_CRYPTO_C
+ *
+ * Enable the Platform Security Architecture cryptography API.
+ *
+ * Module:  library/psa_crypto.c
+ *
+ * Requires: either MBEDTLS_CTR_DRBG_C and MBEDTLS_ENTROPY_C,
+ *           or MBEDTLS_HMAC_DRBG_C and MBEDTLS_ENTROPY_C,
+ *           or MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG.
+ * Auto-enables: MBEDTLS_CIPHER_C if any unauthenticated (ie, non-AEAD) cipher
+ *               is enabled in PSA (unless it's fully accelerated, see
+ *               docs/driver-only-builds.md about that).
+ */
+#define MBEDTLS_PSA_CRYPTO_C
+
+/**
+ * \def MBEDTLS_PSA_CRYPTO_SPM
+ *
+ * When MBEDTLS_PSA_CRYPTO_SPM is defined, the code is built for SPM (Secure
+ * Partition Manager) integration which separates the code into two parts: a
+ * NSPE (Non-Secure Process Environment) and an SPE (Secure Process
+ * Environment).
+ *
+ * If you enable this option, your build environment must include a header
+ * file `"crypto_spe.h"` (either in the `psa` subdirectory of the Mbed TLS
+ * header files, or in another directory on the compiler's include search
+ * path). Alternatively, your platform may customize the header
+ * `psa/crypto_platform.h`, in which case it can skip or replace the
+ * inclusion of `"crypto_spe.h"`.
+ *
+ * Module:  library/psa_crypto.c
+ * Requires: MBEDTLS_PSA_CRYPTO_C
+ *
+ */
+#define MBEDTLS_PSA_CRYPTO_SPM
+
+/**
+ * \def MBEDTLS_PSA_CRYPTO_STORAGE_C
+ *
+ * Enable the Platform Security Architecture persistent key storage.
+ *
+ * Module:  library/psa_crypto_storage.c
+ *
+ * Requires: MBEDTLS_PSA_CRYPTO_C,
+ *           either MBEDTLS_PSA_ITS_FILE_C or a native implementation of
+ *           the PSA ITS interface
+ */
+#define MBEDTLS_PSA_CRYPTO_STORAGE_C
+
+/** \} name SECTION: PSA core */
+
+/**
+ * \name SECTION: Builtin drivers
+ *
+ * This section sets driver specific settings.
+ * \{
+ */
+
+/**
+ * \def MBEDTLS_AES_ROM_TABLES
+ *
+ * Use precomputed AES tables stored in ROM.
+ *
+ * Uncomment this macro to use precomputed AES tables stored in ROM.
+ * Comment this macro to generate AES tables in RAM at runtime.
+ *
+ * Tradeoff: Using precomputed ROM tables reduces RAM usage by ~8kb
+ * (or ~2kb if \c MBEDTLS_AES_FEWER_TABLES is used) and reduces the
+ * initialization time before the first AES operation can be performed.
+ * It comes at the cost of additional ~8kb ROM use (resp. ~2kb if \c
+ * MBEDTLS_AES_FEWER_TABLES below is used), and potentially degraded
+ * performance if ROM access is slower than RAM access.
+ *
+ * This option is independent of \c MBEDTLS_AES_FEWER_TABLES.
+ */
+#define MBEDTLS_AES_ROM_TABLES
+
+/**
+ * \def MBEDTLS_AES_FEWER_TABLES
+ *
+ * Use less ROM/RAM for AES tables.
+ *
+ * Uncommenting this macro omits 75% of the AES tables from
+ * ROM / RAM (depending on the value of \c MBEDTLS_AES_ROM_TABLES)
+ * by computing their values on the fly during operations
+ * (the tables are entry-wise rotations of one another).
+ *
+ * Tradeoff: Uncommenting this reduces the RAM / ROM footprint
+ * by ~6kb but at the cost of more arithmetic operations during
+ * runtime. Specifically, one has to compare 4 accesses within
+ * different tables to 4 accesses with additional arithmetic
+ * operations within the same table. The performance gain/loss
+ * depends on the system and memory details.
+ *
+ * This option is independent of \c MBEDTLS_AES_ROM_TABLES.
+ */
+#define MBEDTLS_AES_FEWER_TABLES
+
+/**
+ * \def MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH
+ *
+ * Use only 128-bit keys in AES operations to save ROM.
+ *
+ * Uncomment this macro to remove support for AES operations that use 192-
+ * or 256-bit keys.
+ *
+ * Uncommenting this macro reduces the size of AES code by ~300 bytes
+ * on v8-M/Thumb2.
+ *
+ * Module:  library/aes.c
+ *
+ * Requires: MBEDTLS_AES_C
+ */
+#define MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH
+
+/**
+ * \def MBEDTLS_ECP_NIST_OPTIM
+ *
+ * Enable specific 'modulo p' routines for each NIST prime.
+ * Depending on the prime and architecture, makes operations 4 to 8 times
+ * faster on the corresponding curve.
+ *
+ * Comment this macro to disable NIST curves optimisation.
+ */
+#define MBEDTLS_ECP_NIST_OPTIM
+
+/**
+ * \def MBEDTLS_HAVE_ASM
+ *
+ * The compiler has support for asm().
+ *
+ * Requires support for asm() in compiler.
+ *
+ * Used in:
+ *      library/aesni.h
+ *      library/aria.c
+ *      library/bn_mul.h
+ *      library/constant_time.c
+ *
+ * Required by:
+ *      MBEDTLS_AESCE_C
+ *      MBEDTLS_AESNI_C (on some platforms)
+ *
+ * Comment to disable the use of assembly code.
+ */
+#define MBEDTLS_HAVE_ASM
+
+/**
+ * Uncomment to enable p256-m. This is an alternative implementation of
+ * key generation, ECDH and (randomized) ECDSA on the curve SECP256R1.
+ * Compared to the default implementation:
+ *
+ * - p256-m has a much smaller code size and RAM footprint.
+ * - p256-m is only available via the PSA API. This includes the pk module.
+ * - p256-m does not support deterministic ECDSA, EC-JPAKE, custom protocols
+ *   over the core arithmetic, or deterministic derivation of keys.
+ *
+ * We recommend enabling this option if your application uses the PSA API
+ * and the only elliptic curve support it needs is ECDH and ECDSA over
+ * SECP256R1.
+ *
+ * If you enable this option, you do not need to enable any ECC-related
+ * MBEDTLS_xxx option. You do need to separately request support for the
+ * cryptographic mechanisms through the PSA API:
+ * - #MBEDTLS_PSA_CRYPTO_C for PSA-based configuration;
+ * - #PSA_WANT_ECC_SECP_R1_256;
+ * - #PSA_WANT_ALG_ECDH and/or #PSA_WANT_ALG_ECDSA as needed;
+ * - #PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY, #PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_BASIC,
+ *   #PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_IMPORT,
+ *   #PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_EXPORT and/or
+ *   #PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_GENERATE as needed.
+ *
+ * \note To benefit from the smaller code size of p256-m, make sure that you
+ *       do not enable any ECC-related option not supported by p256-m: this
+ *       would cause the built-in ECC implementation to be built as well, in
+ *       order to provide the required option.
+ *       Make sure #PSA_WANT_ALG_DETERMINISTIC_ECDSA, #PSA_WANT_ALG_JPAKE and
+ *       #PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_DERIVE, and curves other than
+ *       SECP256R1 are disabled as they are not supported by this driver.
+ *       Also, avoid defining #MBEDTLS_PK_PARSE_EC_COMPRESSED or
+ *       #MBEDTLS_PK_PARSE_EC_EXTENDED as those currently require a subset of
+ *       the built-in ECC implementation, see docs/driver-only-builds.md.
+ */
+#define MBEDTLS_PSA_P256M_DRIVER_ENABLED
+
+/**
+ * \def MBEDTLS_SHA256_SMALLER
+ *
+ * Enable an implementation of SHA-256 that has lower ROM footprint but also
+ * lower performance.
+ *
+ * The default implementation is meant to be a reasonable compromise between
+ * performance and size. This version optimizes more aggressively for size at
+ * the expense of performance. Eg on Cortex-M4 it reduces the size of
+ * mbedtls_sha256_process() from ~2KB to ~0.5KB for a performance hit of about
+ * 30%.
+ *
+ * Uncomment to enable the smaller implementation of SHA256.
+ */
+#define MBEDTLS_SHA256_SMALLER
+
+/* ECP options */
+#define MBEDTLS_ECP_FIXED_POINT_OPTIM        0 /**< Disable fixed-point speed-up */
+
+/** \} name SECTION: Builtin drivers */
+
+/**
+ * \name SECTION: Legacy cryptography
+ *
+ * This section sets legacy settings.
+ * \{
+ */
+
+/**
+ * \def MBEDTLS_AES_C
+ *
+ * Enable the AES block cipher.
+ *
+ * Module:  library/aes.c
+ * Caller:  library/cipher.c
+ *          library/pem.c
+ *          library/ctr_drbg.c
+ *
+ * This module enables the following ciphersuites (if other requisites are
+ * enabled as well):
+ *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA
+ *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA
+ *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA
+ *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA
+ *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256
+ *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384
+ *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256
+ *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384
+ *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_128_GCM_SHA256
+ *      MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_GCM_SHA384
+ *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_128_GCM_SHA256
+ *      MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_GCM_SHA384
+ *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
+ *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
+ *      MBEDTLS_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384
+ *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384
+ *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384
+ *      MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA256
+ *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA
+ *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA
+ *      MBEDTLS_TLS_DHE_RSA_WITH_AES_256_CBC_SHA
+ *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
+ *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
+ *      MBEDTLS_TLS_DHE_RSA_WITH_AES_128_GCM_SHA256
+ *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256
+ *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256
+ *      MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA256
+ *      MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA
+ *      MBEDTLS_TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA
+ *      MBEDTLS_TLS_DHE_RSA_WITH_AES_128_CBC_SHA
+ *      MBEDTLS_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384
+ *      MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384
+ *      MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384
+ *      MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA
+ *      MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA
+ *      MBEDTLS_TLS_DHE_PSK_WITH_AES_128_GCM_SHA256
+ *      MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA256
+ *      MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA256
+ *      MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA
+ *      MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA
+ *      MBEDTLS_TLS_RSA_WITH_AES_256_GCM_SHA384
+ *      MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA256
+ *      MBEDTLS_TLS_RSA_WITH_AES_256_CBC_SHA
+ *      MBEDTLS_TLS_RSA_WITH_AES_128_GCM_SHA256
+ *      MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA256
+ *      MBEDTLS_TLS_RSA_WITH_AES_128_CBC_SHA
+ *      MBEDTLS_TLS_PSK_WITH_AES_256_GCM_SHA384
+ *      MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA384
+ *      MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA
+ *      MBEDTLS_TLS_PSK_WITH_AES_128_GCM_SHA256
+ *      MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA256
+ *      MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA
+ *
+ * PEM_PARSE uses AES for decrypting encrypted keys.
+ */
+#define MBEDTLS_AES_C
+
+/**
+ * \def MBEDTLS_CIPHER_C
+ *
+ * Enable the generic cipher layer.
+ *
+ * Module:  library/cipher.c
+ * Caller:  library/ccm.c
+ *          library/cmac.c
+ *          library/gcm.c
+ *          library/nist_kw.c
+ *          library/pkcs12.c
+ *          library/pkcs5.c
+ *          library/psa_crypto_aead.c
+ *          library/psa_crypto_mac.c
+ *          library/ssl_ciphersuites.c
+ *          library/ssl_msg.c
+ * Auto-enabled by: MBEDTLS_PSA_CRYPTO_C depending on which ciphers are enabled
+ *                  (see the documentation of that option for details).
+ *
+ * Uncomment to enable generic cipher wrappers.
+ */
+#define MBEDTLS_CIPHER_C
+
+/**
+ * \def MBEDTLS_CTR_DRBG_C
+ *
+ * Enable the CTR_DRBG AES-based random generator.
+ * The CTR_DRBG generator uses AES-256 by default.
+ * To use AES-128 instead, enable \c MBEDTLS_CTR_DRBG_USE_128_BIT_KEY above.
+ *
+ * AES support can either be achieved through builtin (MBEDTLS_AES_C) or PSA.
+ * Builtin is the default option when MBEDTLS_AES_C is defined otherwise PSA
+ * is used.
+ *
+ * \warning When using PSA, the user should call `psa_crypto_init()` before
+ *          using any CTR_DRBG operation (except `mbedtls_ctr_drbg_init()`).
+ *
+ * \note AES-128 will be used if \c MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH is set.
+ *
+ * \note To achieve a 256-bit security strength with CTR_DRBG,
+ *       you must use AES-256 *and* use sufficient entropy.
+ *       See ctr_drbg.h for more details.
+ *
+ * Module:  library/ctr_drbg.c
+ * Caller:
+ *
+ * Requires: MBEDTLS_AES_C or
+ *           (PSA_WANT_KEY_TYPE_AES and PSA_WANT_ALG_ECB_NO_PADDING and
+ *            MBEDTLS_PSA_CRYPTO_C)
+ *
+ * This module provides the CTR_DRBG AES random number generator.
+ */
+#define MBEDTLS_CTR_DRBG_C
+/** \} name SECTION: Legacy cryptography */
+
 /***********************************************************/
 /* Tweak the configuration to remove dependencies on TF-M. */
 /***********************************************************/
@@ -178,6 +690,14 @@
  * to reduce code size further. */
 #undef MBEDTLS_CIPHER_C
 
+#if CRYPTO_NV_SEED
+#include "tfm_mbedcrypto_config_extra_nv_seed.h"
+#endif /* CRYPTO_NV_SEED */
+
+#if !defined(CRYPTO_HW_ACCELERATOR) && defined(MBEDTLS_ENTROPY_NV_SEED)
+#include "mbedtls_entropy_nv_seed_config.h"
+#endif
+
 #ifdef CRYPTO_HW_ACCELERATOR
 #include "crypto_accelerator_config.h"
 #endif
diff --git a/configs/ext/tfm_mbedcrypto_config_profile_medium.h b/configs/ext/tfm_mbedcrypto_config_profile_medium.h
index 8ef28ee..ee62cf6 100644
--- a/configs/ext/tfm_mbedcrypto_config_profile_medium.h
+++ b/configs/ext/tfm_mbedcrypto_config_profile_medium.h
@@ -36,385 +36,6 @@
 #endif
 
 /**
- * \name SECTION: System support
- *
- * This section sets system specific settings.
- * \{
- */
-
-/**
- * \def MBEDTLS_HAVE_ASM
- *
- * The compiler has support for asm().
- *
- * Requires support for asm() in compiler.
- *
- * Used in:
- *      library/aria.c
- *      library/timing.c
- *      include/mbedtls/bn_mul.h
- *
- * Required by:
- *      MBEDTLS_AESNI_C
- *
- * Comment to disable the use of assembly code.
- */
-#define MBEDTLS_HAVE_ASM
-
-/**
- * \def MBEDTLS_PLATFORM_MEMORY
- *
- * Enable the memory allocation layer.
- *
- * By default mbed TLS uses the system-provided calloc() and free().
- * This allows different allocators (self-implemented or provided) to be
- * provided to the platform abstraction layer.
- *
- * Enabling MBEDTLS_PLATFORM_MEMORY without the
- * MBEDTLS_PLATFORM_{FREE,CALLOC}_MACROs will provide
- * "mbedtls_platform_set_calloc_free()" allowing you to set an alternative calloc() and
- * free() function pointer at runtime.
- *
- * Enabling MBEDTLS_PLATFORM_MEMORY and specifying
- * MBEDTLS_PLATFORM_{CALLOC,FREE}_MACROs will allow you to specify the
- * alternate function at compile time.
- *
- * Requires: MBEDTLS_PLATFORM_C
- *
- * Enable this layer to allow use of alternative memory allocators.
- */
-#define MBEDTLS_PLATFORM_MEMORY
-
-/* \} name SECTION: System support */
-
-/**
- * \name SECTION: mbed TLS feature support
- *
- * This section sets support for features that are or are not needed
- * within the modules that are enabled.
- * \{
- */
-
-/**
- * \def MBEDTLS_AES_ROM_TABLES
- *
- * Use precomputed AES tables stored in ROM.
- *
- * Uncomment this macro to use precomputed AES tables stored in ROM.
- * Comment this macro to generate AES tables in RAM at runtime.
- *
- * Tradeoff: Using precomputed ROM tables reduces RAM usage by ~8kb
- * (or ~2kb if \c MBEDTLS_AES_FEWER_TABLES is used) and reduces the
- * initialization time before the first AES operation can be performed.
- * It comes at the cost of additional ~8kb ROM use (resp. ~2kb if \c
- * MBEDTLS_AES_FEWER_TABLES below is used), and potentially degraded
- * performance if ROM access is slower than RAM access.
- *
- * This option is independent of \c MBEDTLS_AES_FEWER_TABLES.
- *
- */
-#define MBEDTLS_AES_ROM_TABLES
-
-/**
- * \def MBEDTLS_AES_FEWER_TABLES
- *
- * Use less ROM/RAM for AES tables.
- *
- * Uncommenting this macro omits 75% of the AES tables from
- * ROM / RAM (depending on the value of \c MBEDTLS_AES_ROM_TABLES)
- * by computing their values on the fly during operations
- * (the tables are entry-wise rotations of one another).
- *
- * Tradeoff: Uncommenting this reduces the RAM / ROM footprint
- * by ~6kb but at the cost of more arithmetic operations during
- * runtime. Specifically, one has to compare 4 accesses within
- * different tables to 4 accesses with additional arithmetic
- * operations within the same table. The performance gain/loss
- * depends on the system and memory details.
- *
- * This option is independent of \c MBEDTLS_AES_ROM_TABLES.
- *
- */
-#define MBEDTLS_AES_FEWER_TABLES
-
-/**
- * \def MBEDTLS_ECP_NIST_OPTIM
- *
- * Enable specific 'modulo p' routines for each NIST prime.
- * Depending on the prime and architecture, makes operations 4 to 8 times
- * faster on the corresponding curve.
- *
- * Comment this macro to disable NIST curves optimisation.
- */
-#define MBEDTLS_ECP_NIST_OPTIM
-
-/**
- * \def MBEDTLS_NO_PLATFORM_ENTROPY
- *
- * Do not use built-in platform entropy functions.
- * This is useful if your platform does not support
- * standards like the /dev/urandom or Windows CryptoAPI.
- *
- * Uncomment this macro to disable the built-in platform entropy functions.
- */
-#define MBEDTLS_NO_PLATFORM_ENTROPY
-
-/**
- * \def MBEDTLS_ENTROPY_NV_SEED
- *
- * Enable the non-volatile (NV) seed file-based entropy source.
- * (Also enables the NV seed read/write functions in the platform layer)
- *
- * This is crucial (if not required) on systems that do not have a
- * cryptographic entropy source (in hardware or kernel) available.
- *
- * Requires: MBEDTLS_ENTROPY_C, MBEDTLS_PLATFORM_C
- *
- * \note The read/write functions that are used by the entropy source are
- *       determined in the platform layer, and can be modified at runtime and/or
- *       compile-time depending on the flags (MBEDTLS_PLATFORM_NV_SEED_*) used.
- *
- * \note If you use the default implementation functions that read a seedfile
- *       with regular fopen(), please make sure you make a seedfile with the
- *       proper name (defined in MBEDTLS_PLATFORM_STD_NV_SEED_FILE) and at
- *       least MBEDTLS_ENTROPY_BLOCK_SIZE bytes in size that can be read from
- *       and written to or you will get an entropy source error! The default
- *       implementation will only use the first MBEDTLS_ENTROPY_BLOCK_SIZE
- *       bytes from the file.
- *
- * \note The entropy collector will write to the seed file before entropy is
- *       given to an external source, to update it.
- */
-#define MBEDTLS_ENTROPY_NV_SEED
-
-/**
- * \def MBEDTLS_PSA_CRYPTO_SPM
- *
- * When MBEDTLS_PSA_CRYPTO_SPM is defined, the code is built for SPM (Secure
- * Partition Manager) integration which separates the code into two parts: a
- * NSPE (Non-Secure Process Environment) and an SPE (Secure Process
- * Environment).
- *
- * Module:  library/psa_crypto.c
- * Requires: MBEDTLS_PSA_CRYPTO_C
- *
- */
-#define MBEDTLS_PSA_CRYPTO_SPM
-
-/**
- * \def MBEDTLS_SHA256_SMALLER
- *
- * Enable an implementation of SHA-256 that has lower ROM footprint but also
- * lower performance.
- *
- * The default implementation is meant to be a reasonnable compromise between
- * performance and size. This version optimizes more aggressively for size at
- * the expense of performance. Eg on Cortex-M4 it reduces the size of
- * mbedtls_sha256_process() from ~2KB to ~0.5KB for a performance hit of about
- * 30%.
- *
- * Uncomment to enable the smaller implementation of SHA256.
- */
-#define MBEDTLS_SHA256_SMALLER
-
-/**
- * \def MBEDTLS_PSA_CRYPTO_CONFIG
- *
- * This setting allows support for cryptographic mechanisms through the PSA
- * API to be configured separately from support through the mbedtls API.
- *
- * When this option is disabled, the PSA API exposes the cryptographic
- * mechanisms that can be implemented on top of the `mbedtls_xxx` API
- * configured with `MBEDTLS_XXX` symbols.
- *
- * When this option is enabled, the PSA API exposes the cryptographic
- * mechanisms requested by the `PSA_WANT_XXX` symbols defined in
- * include/psa/crypto_config.h. The corresponding `MBEDTLS_XXX` settings are
- * automatically enabled if required (i.e. if no PSA driver provides the
- * mechanism). You may still freely enable additional `MBEDTLS_XXX` symbols
- * in mbedtls_config.h.
- *
- * If the symbol #TF_PSA_CRYPTO_CONFIG_FILE is defined, it specifies
- * an alternative header to include instead of include/psa/crypto_config.h.
- *
- * This feature is still experimental and is not ready for production since
- * it is not completed.
- */
-#define MBEDTLS_PSA_CRYPTO_CONFIG
-
-/* \} name SECTION: mbed TLS feature support */
-
-/**
- * \name SECTION: mbed TLS modules
- *
- * This section enables or disables entire modules in mbed TLS
- * \{
- */
-
-/**
- * \def MBEDTLS_AES_C
- *
- * Enable the AES block cipher.
- *
- * Module:  library/aes.c
- * Caller:  library/cipher.c
- *          library/pem.c
- *          library/ctr_drbg.c
- *
- * This module is required to support the TLS ciphersuites that use the AES
- * cipher.
- *
- * PEM_PARSE uses AES for decrypting encrypted keys.
- */
-#define MBEDTLS_AES_C
-
-/**
- * \def MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH
- *
- * Use only 128-bit keys in AES operations to save ROM.
- *
- * Uncomment this macro to remove support for AES operations that use 192-
- * or 256-bit keys.
- *
- * Uncommenting this macro reduces the size of AES code by ~300 bytes
- * on v8-M/Thumb2.
- *
- * Module:  library/aes.c
- *
- * Requires: MBEDTLS_AES_C
- */
-#define MBEDTLS_AES_ONLY_128_BIT_KEY_LENGTH
-
-/**
- * \def MBEDTLS_CIPHER_C
- *
- * Enable the generic cipher layer.
- *
- * Module:  library/cipher.c
- *
- * Uncomment to enable generic cipher wrappers.
- */
-#define MBEDTLS_CIPHER_C
-
-/**
- * \def MBEDTLS_CTR_DRBG_C
- *
- * Enable the CTR_DRBG AES-based random generator.
- * The CTR_DRBG generator uses AES-256 by default.
- * To use AES-128 instead, enable MBEDTLS_CTR_DRBG_USE_128_BIT_KEY below.
- *
- * Module:  library/ctr_drbg.c
- * Caller:
- *
- * Requires: MBEDTLS_AES_C
- *
- * This module provides the CTR_DRBG AES random number generator.
- */
-#define MBEDTLS_CTR_DRBG_C
-
-/**
- * \def MBEDTLS_ENTROPY_C
- *
- * Enable the platform-specific entropy code.
- *
- * Module:  library/entropy.c
- * Caller:
- *
- * Requires: MBEDTLS_SHA512_C or MBEDTLS_SHA256_C
- *
- * This module provides a generic entropy pool
- */
-#define MBEDTLS_ENTROPY_C
-
-/**
- * \def MBEDTLS_HKDF_C
- *
- * Enable the HKDF algorithm (RFC 5869).
- *
- * Module:  library/hkdf.c
- * Caller:
- *
- * Requires: MBEDTLS_MD_C
- *
- * This module adds support for the Hashed Message Authentication Code
- * (HMAC)-based key derivation function (HKDF).
- */
-//#define MBEDTLS_HKDF_C /* Used for HUK deriviation */
-
-/**
- * \def MBEDTLS_MEMORY_BUFFER_ALLOC_C
- *
- * Enable the buffer allocator implementation that makes use of a (stack)
- * based buffer to 'allocate' dynamic memory. (replaces calloc() and free()
- * calls)
- *
- * Module:  library/memory_buffer_alloc.c
- *
- * Requires: MBEDTLS_PLATFORM_C
- *           MBEDTLS_PLATFORM_MEMORY (to use it within mbed TLS)
- *
- * Enable this module to enable the buffer memory allocator.
- */
-#define MBEDTLS_MEMORY_BUFFER_ALLOC_C
-
-/**
- * \def MBEDTLS_PLATFORM_C
- *
- * Enable the platform abstraction layer that allows you to re-assign
- * functions like calloc(), free(), snprintf(), printf(), fprintf(), exit().
- *
- * Enabling MBEDTLS_PLATFORM_C enables to use of MBEDTLS_PLATFORM_XXX_ALT
- * or MBEDTLS_PLATFORM_XXX_MACRO directives, allowing the functions mentioned
- * above to be specified at runtime or compile time respectively.
- *
- * \note This abstraction layer must be enabled on Windows (including MSYS2)
- * as other module rely on it for a fixed snprintf implementation.
- *
- * Module:  library/platform.c
- * Caller:  Most other .c files
- *
- * This module enables abstraction of common (libc) functions.
- */
-#define MBEDTLS_PLATFORM_C
-
-#define MBEDTLS_PLATFORM_NO_STD_FUNCTIONS
-#define MBEDTLS_PLATFORM_STD_MEM_HDR   <stdlib.h>
-
-#include <stdio.h>
-
-#define MBEDTLS_PLATFORM_SNPRINTF_MACRO      snprintf
-#define MBEDTLS_PLATFORM_PRINTF_ALT
-#define MBEDTLS_PLATFORM_STD_EXIT_SUCCESS  EXIT_SUCCESS
-#define MBEDTLS_PLATFORM_STD_EXIT_FAILURE  EXIT_FAILURE
-
-/**
- * \def MBEDTLS_PSA_CRYPTO_C
- *
- * Enable the Platform Security Architecture cryptography API.
- *
- * Module:  library/psa_crypto.c
- *
- * Requires: MBEDTLS_CTR_DRBG_C, MBEDTLS_ENTROPY_C
- *
- */
-#define MBEDTLS_PSA_CRYPTO_C
-
-/**
- * \def MBEDTLS_PSA_CRYPTO_STORAGE_C
- *
- * Enable the Platform Security Architecture persistent key storage.
- *
- * Module:  library/psa_crypto_storage.c
- *
- * Requires: MBEDTLS_PSA_CRYPTO_C,
- *           either MBEDTLS_PSA_ITS_FILE_C or a native implementation of
- *           the PSA ITS interface
- */
-#define MBEDTLS_PSA_CRYPTO_STORAGE_C
-
-/* \} name SECTION: mbed TLS modules */
-
-/**
  * \name SECTION: General configuration options
  *
  * This section contains Mbed TLS build settings that are not associated
@@ -459,112 +80,6 @@
  */
 //#define MBEDTLS_USER_CONFIG_FILE "/dev/null"
 
-/**
- * \def TF_PSA_CRYPTO_CONFIG_FILE
- *
- * If defined, this is a header which will be included instead of
- * `"psa/crypto_config.h"`.
- * This header file specifies which cryptographic mechanisms are available
- * through the PSA API when #MBEDTLS_PSA_CRYPTO_CONFIG is enabled, and
- * is not used when #MBEDTLS_PSA_CRYPTO_CONFIG is disabled.
- *
- * This macro is expanded after an <tt>\#include</tt> directive. This is a popular but
- * non-standard feature of the C language, so this feature is only available
- * with compilers that perform macro expansion on an <tt>\#include</tt> line.
- *
- * The value of this symbol is typically a path in double quotes, either
- * absolute or relative to a directory on the include search path.
- */
-//#define TF_PSA_CRYPTO_CONFIG_FILE "psa/crypto_config.h"
-
-/**
- * \def TF_PSA_CRYPTO_USER_CONFIG_FILE
- *
- * If defined, this is a header which will be included after
- * `"psa/crypto_config.h"` or #TF_PSA_CRYPTO_CONFIG_FILE.
- * This allows you to modify the default configuration, including the ability
- * to undefine options that are enabled by default.
- *
- * This macro is expanded after an <tt>\#include</tt> directive. This is a popular but
- * non-standard feature of the C language, so this feature is only available
- * with compilers that perform macro expansion on an <tt>\#include</tt> line.
- *
- * The value of this symbol is typically a path in double quotes, either
- * absolute or relative to a directory on the include search path.
- */
-//#define TF_PSA_CRYPTO_USER_CONFIG_FILE "/dev/null"
-
 /** \} name SECTION: General configuration options */
 
-/**
- * \name SECTION: Module configuration options
- *
- * This section allows for the setting of module specific sizes and
- * configuration options. The default values are already present in the
- * relevant header files and should suffice for the regular use cases.
- *
- * Our advice is to enable options and change their values here
- * only if you have a good reason and know the consequences.
- *
- * Please check the respective header file for documentation on these
- * parameters (to prevent duplicate documentation).
- * \{
- */
-
-/* ECP options */
-#define MBEDTLS_ECP_FIXED_POINT_OPTIM        0 /**< Disable fixed-point speed-up */
-
-/**
- * Uncomment to enable p256-m. This is an alternative implementation of
- * key generation, ECDH and (randomized) ECDSA on the curve SECP256R1.
- * Compared to the default implementation:
- *
- * - p256-m has a much smaller code size and RAM footprint.
- * - p256-m is only available via the PSA API. This includes the pk module.
- * - p256-m does not support deterministic ECDSA, EC-JPAKE, custom protocols
- *   over the core arithmetic, or deterministic derivation of keys.
- *
- * We recommend enabling this option if your application uses the PSA API
- * and the only elliptic curve support it needs is ECDH and ECDSA over
- * SECP256R1.
- *
- * If you enable this option, you do not need to enable any ECC-related
- * MBEDTLS_xxx option. You do need to separately request support for the
- * cryptographic mechanisms through the PSA API:
- * - #MBEDTLS_PSA_CRYPTO_C and #MBEDTLS_PSA_CRYPTO_CONFIG for PSA-based
- *   configuration;
- * - #PSA_WANT_ECC_SECP_R1_256;
- * - #PSA_WANT_ALG_ECDH and/or #PSA_WANT_ALG_ECDSA as needed;
- * - #PSA_WANT_KEY_TYPE_ECC_PUBLIC_KEY, #PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_BASIC,
- *   #PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_IMPORT,
- *   #PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_EXPORT and/or
- *   #PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_GENERATE as needed.
- *
- * \note To benefit from the smaller code size of p256-m, make sure that you
- *       do not enable any ECC-related option not supported by p256-m: this
- *       would cause the built-in ECC implementation to be built as well, in
- *       order to provide the required option.
- *       Make sure #PSA_WANT_ALG_DETERMINISTIC_ECDSA, #PSA_WANT_ALG_JPAKE and
- *       #PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_DERIVE, and curves other than
- *       SECP256R1 are disabled as they are not supported by this driver.
- *       Also, avoid defining #MBEDTLS_PK_PARSE_EC_COMPRESSED or
- *       #MBEDTLS_PK_PARSE_EC_EXTENDED as those currently require a subset of
- *       the built-in ECC implementation, see docs/driver-only-builds.md.
- */
-#define MBEDTLS_PSA_P256M_DRIVER_ENABLED
-
-/* \} name SECTION: Customisation configuration options */
-
-#if CRYPTO_NV_SEED
-#include "tfm_mbedcrypto_config_extra_nv_seed.h"
-#endif /* CRYPTO_NV_SEED */
-
-#if !defined(CRYPTO_HW_ACCELERATOR) && defined(MBEDTLS_ENTROPY_NV_SEED)
-#include "mbedtls_entropy_nv_seed_config.h"
-#endif
-
-#ifdef CRYPTO_HW_ACCELERATOR
-#include "mbedtls_accelerator_config.h"
-#endif
-
 #endif /* PROFILE_M_MBEDTLS_CONFIG_H */