Initial import of NFC GNSS SDK project

2026-09-15 16:10:12 +08:00
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+/*
+ *  Context structure declaration of the Mbed TLS software-based PSA drivers
+ *  called through the PSA Crypto driver dispatch layer.
+ *  This file contains the context structures of those algorithms which need to
+ *  rely on other algorithms, i.e. are 'composite' algorithms.
+ *
+ * \note This file may not be included directly. Applications must
+ * include psa/crypto.h.
+ *
+ * \note This header and its content is not part of the Mbed TLS API and
+ * applications must not depend on it. Its main purpose is to define the
+ * multi-part state objects of the Mbed TLS software-based PSA drivers. The
+ * definition of these objects are then used by crypto_struct.h to define the
+ * implementation-defined types of PSA multi-part state objects.
+ */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
+ */
+
+#ifndef PSA_CRYPTO_BUILTIN_COMPOSITES_H
+#define PSA_CRYPTO_BUILTIN_COMPOSITES_H
+
+#include <psa/crypto_driver_common.h>
+
+/*
+ * MAC multi-part operation definitions.
+ */
+#if defined(MBEDTLS_PSA_BUILTIN_ALG_CMAC) || \
+    defined(MBEDTLS_PSA_BUILTIN_ALG_HMAC)
+#define MBEDTLS_PSA_BUILTIN_MAC
+#endif
+
+#if defined(MBEDTLS_PSA_BUILTIN_ALG_GCM) || \
+    defined(MBEDTLS_PSA_BUILTIN_ALG_CCM) || \
+    defined(MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305)
+#define MBEDTLS_PSA_BUILTIN_AEAD  1
+#endif
+
+#if defined(MBEDTLS_PSA_BUILTIN_ALG_HMAC) || defined(PSA_CRYPTO_DRIVER_TEST)
+typedef struct {
+    /** The HMAC algorithm in use */
+    psa_algorithm_t alg;
+    /** The hash context. */
+    struct psa_hash_operation_s hash_ctx;
+    /** The HMAC part of the context. */
+    uint8_t opad[PSA_HMAC_MAX_HASH_BLOCK_SIZE];
+} mbedtls_psa_hmac_operation_t;
+
+#define MBEDTLS_PSA_HMAC_OPERATION_INIT { 0, PSA_HASH_OPERATION_INIT, { 0 } }
+#endif /* MBEDTLS_PSA_BUILTIN_ALG_HMAC */
+
+#include "mbedtls/cmac.h"
+
+typedef struct {
+    psa_algorithm_t alg;
+    union {
+        unsigned dummy; /* Make the union non-empty even with no supported algorithms. */
+#if defined(MBEDTLS_PSA_BUILTIN_ALG_HMAC) || defined(PSA_CRYPTO_DRIVER_TEST)
+        mbedtls_psa_hmac_operation_t hmac;
+#endif /* MBEDTLS_PSA_BUILTIN_ALG_HMAC */
+#if defined(MBEDTLS_PSA_BUILTIN_ALG_CMAC) || defined(PSA_CRYPTO_DRIVER_TEST)
+        mbedtls_cipher_context_t cmac;
+#endif /* MBEDTLS_PSA_BUILTIN_ALG_CMAC */
+    } ctx;
+} mbedtls_psa_mac_operation_t;
+
+#define MBEDTLS_PSA_MAC_OPERATION_INIT { 0, { 0 } }
+
+#endif /* PSA_CRYPTO_BUILTIN_COMPOSITES_H */