diff --git a/include/mbedtls/config_psa.h b/include/mbedtls/config_psa.h
index 9a86b61..c30ba45 100644
--- a/include/mbedtls/config_psa.h
+++ b/include/mbedtls/config_psa.h
@@ -42,6 +42,8 @@
 #include MBEDTLS_PSA_CRYPTO_USER_CONFIG_FILE
 #endif
 
+#include "psa/crypto_legacy.h"
+
 #ifdef __cplusplus
 extern "C" {
 #endif
diff --git a/include/psa/crypto_config.h b/include/psa/crypto_config.h
index 0bae3ba..5715013 100644
--- a/include/psa/crypto_config.h
+++ b/include/psa/crypto_config.h
@@ -154,78 +154,4 @@
 #define PSA_WANT_KEY_TYPE_DH_KEY_PAIR_GENERATE  1
 //#define PSA_WANT_KEY_TYPE_DH_KEY_PAIR_DERIVE    1 /* Not supported */
 
-/*
- * PSA_WANT_KEY_TYPE_xxx_KEY_PAIR_LEGACY and
- * MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_LEGACY symbols are deprecated.
- * New symols add a suffix to that base name in order to clearly state what is
- * the expected use for the key (use, import, export, generate, derive).
- * Here we define some backward compatibility support for uses stil using
- * the legacy symbols.
- */
-#if defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR) //no-check-names
-#if !defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_USE)
-#define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_USE      1
-#endif
-#if !defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_IMPORT)
-#define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_IMPORT   1
-#endif
-#if !defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_EXPORT)
-#define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_EXPORT   1
-#endif
-#if !defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_GENERATE)
-#define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_GENERATE 1
-#endif
-#if !defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_DERIVE)
-#define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_DERIVE   1
-#endif
-#endif
-
-#if defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR) //no-check-names
-#if !defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_USE)
-#define PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_USE      1
-#endif
-#if !defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_IMPORT)
-#define PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_IMPORT   1
-#endif
-#if !defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_EXPORT)
-#define PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_EXPORT   1
-#endif
-#if !defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE)
-#define PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE 1
-#endif
-#endif
-
-#if defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR) //no-check-names
-#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_USE)
-#define MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_USE
-#endif
-#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_IMPORT)
-#define MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_IMPORT
-#endif
-#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_EXPORT)
-#define MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_EXPORT
-#endif
-#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_GENERATE)
-#define MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_GENERATE
-#endif
-#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_DERIVE)
-#define MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_DERIVE
-#endif
-#endif
-
-#if defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR) //no-check-names
-#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR_USE)
-#define MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR_USE
-#endif
-#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR_IMPORT)
-#define MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR_IMPORT
-#endif
-#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR_EXPORT)
-#define MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR_EXPORT
-#endif
-#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR_GENERATE)
-#define MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR_GENERATE
-#endif
-#endif
-
 #endif /* PSA_CRYPTO_CONFIG_H */
diff --git a/include/psa/crypto_legacy.h b/include/psa/crypto_legacy.h
new file mode 100644
index 0000000..21f0ddc
--- /dev/null
+++ b/include/psa/crypto_legacy.h
@@ -0,0 +1,100 @@
+/**
+ * \file psa/crypto_legacy.h
+ *
+ * \brief Add temporary suppport for deprecated symbols before they are
+ *        removed from the library.
+ *
+ * PSA_WANT_KEY_TYPE_xxx_KEY_PAIR_LEGACY and
+ * MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_LEGACY symbols are deprecated.
+ * New symols add a suffix to that base name in order to clearly state what is
+ * the expected use for the key (use, import, export, generate, derive).
+ * Here we define some backward compatibility support for uses stil using
+ * the legacy symbols.
+ */
+/*
+ *  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 MBEDTLS_PSA_CRYPTO_LEGACY_H
+#define MBEDTLS_PSA_CRYPTO_LEGACY_H
+
+#if defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR) //no-check-names
+#if !defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_USE)
+#define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_USE      1
+#endif
+#if !defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_IMPORT)
+#define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_IMPORT   1
+#endif
+#if !defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_EXPORT)
+#define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_EXPORT   1
+#endif
+#if !defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_GENERATE)
+#define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_GENERATE 1
+#endif
+#if !defined(PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_DERIVE)
+#define PSA_WANT_KEY_TYPE_ECC_KEY_PAIR_DERIVE   1
+#endif
+#endif
+
+#if defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR) //no-check-names
+#if !defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_USE)
+#define PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_USE      1
+#endif
+#if !defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_IMPORT)
+#define PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_IMPORT   1
+#endif
+#if !defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_EXPORT)
+#define PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_EXPORT   1
+#endif
+#if !defined(PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE)
+#define PSA_WANT_KEY_TYPE_RSA_KEY_PAIR_GENERATE 1
+#endif
+#endif
+
+#if defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR) //no-check-names
+#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_USE)
+#define MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_USE
+#endif
+#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_IMPORT)
+#define MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_IMPORT
+#endif
+#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_EXPORT)
+#define MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_EXPORT
+#endif
+#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_GENERATE)
+#define MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_GENERATE
+#endif
+#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_DERIVE)
+#define MBEDTLS_PSA_ACCEL_KEY_TYPE_ECC_KEY_PAIR_DERIVE
+#endif
+#endif
+
+#if defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR) //no-check-names
+#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR_USE)
+#define MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR_USE
+#endif
+#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR_IMPORT)
+#define MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR_IMPORT
+#endif
+#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR_EXPORT)
+#define MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR_EXPORT
+#endif
+#if !defined(MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR_GENERATE)
+#define MBEDTLS_PSA_ACCEL_KEY_TYPE_RSA_KEY_PAIR_GENERATE
+#endif
+#endif
+
+#endif /* MBEDTLS_PSA_CRYPTO_LEGACY_H */