diff --git a/crypto b/crypto
index a52c059..82b3b83 160000
--- a/crypto
+++ b/crypto
@@ -1 +1 @@
-Subproject commit a52c0593cceb54113d7cd9937b042fd395f55991
+Subproject commit 82b3b83d540ec9611277ca3e9b645b335f80846a
diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index 962d3db..c1450db 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -525,26 +525,25 @@
 #error "MBEDTLS_PSA_CRYPTO_SPM defined, but not all prerequisites"
 #endif
 
-#if defined(MBEDTLS_PSA_CRYPTO_STORAGE_FILE_C) && defined(MBEDTLS_PSA_CRYPTO_STORAGE_ITS_C)
-#error "Only one of MBEDTLS_PSA_CRYPTO_STORAGE_FILE_C or MBEDTLS_PSA_CRYPTO_STORAGE_ITS_C can be defined"
-#endif
-
 #if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C) &&            \
-    !( defined(MBEDTLS_PSA_CRYPTO_C) &&                 \
-       ( defined(MBEDTLS_PSA_CRYPTO_STORAGE_FILE_C) ||  \
-         defined(MBEDTLS_PSA_CRYPTO_STORAGE_ITS_C) ) )
+    ! defined(MBEDTLS_PSA_CRYPTO_C)
 #error "MBEDTLS_PSA_CRYPTO_STORAGE_C defined, but not all prerequisites"
 #endif
 
-#if defined(MBEDTLS_PSA_CRYPTO_STORAGE_FILE_C) &&            \
-    !( defined(MBEDTLS_PSA_CRYPTO_STORAGE_C) &&           \
-       defined(MBEDTLS_FS_IO) )
-#error "MBEDTLS_PSA_CRYPTO_STORAGE_FILE_C defined, but not all prerequisites"
+#if defined(MBEDTLS_PSA_INJECT_ENTROPY) &&      \
+    !( defined(MBEDTLS_PSA_CRYPTO_STORAGE_C) && \
+       defined(MBEDTLS_ENTROPY_NV_SEED) )
+#error "MBEDTLS_PSA_INJECT_ENTROPY defined, but not all prerequisites"
 #endif
 
-#if defined(MBEDTLS_PSA_CRYPTO_STORAGE_ITS_C) &&             \
-    ! defined(MBEDTLS_PSA_CRYPTO_STORAGE_C)
-#error "MBEDTLS_PSA_CRYPTO_STORAGE_ITS_C defined, but not all prerequisites"
+#if defined(MBEDTLS_PSA_INJECT_ENTROPY) &&              \
+    !defined(MBEDTLS_NO_DEFAULT_ENTROPY_SOURCES)
+#error "MBEDTLS_PSA_INJECT_ENTROPY is not compatible with actual entropy sources"
+#endif
+
+#if defined(MBEDTLS_PSA_ITS_FILE_C) && \
+    !defined(MBEDTLS_FS_IO)
+#error "MBEDTLS_PSA_ITS_FILE_C defined, but not all prerequisites"
 #endif
 
 #if defined(MBEDTLS_RSA_C) && ( !defined(MBEDTLS_BIGNUM_C) ||         \
diff --git a/include/mbedtls/config.h b/include/mbedtls/config.h
index 3a2fed5..31a3059 100644
--- a/include/mbedtls/config.h
+++ b/include/mbedtls/config.h
@@ -1237,14 +1237,17 @@
 //#define MBEDTLS_PSA_CRYPTO_SPM
 
 /**
- * \def MBEDTLS_PSA_HAS_ITS_IO
+ * \def MBEDTLS_PSA_INJECT_ENTROPY
  *
- * Enable the non-volatile secure storage usage.
+ * Enable support for entropy injection at first boot. This feature is
+ * required on systems that do not have a built-in entropy source (TRNG).
+ * This feature is currently not supported on systems that have a built-in
+ * entropy source.
  *
- * This is crucial on systems that do not have a HW TRNG support.
+ * Requires: MBEDTLS_PSA_CRYPTO_STORAGE_C, MBEDTLS_ENTROPY_NV_SEED
  *
  */
-//#define MBEDTLS_PSA_HAS_ITS_IO
+//#define MBEDTLS_PSA_INJECT_ENTROPY
 
 /**
  * \def MBEDTLS_RSA_NO_CRT
@@ -2741,40 +2744,26 @@
  *
  * Enable the Platform Security Architecture persistent key storage.
  *
- * Module:  library/psa_crypto_storage.c
+ * Module:  crypto/library/psa_crypto_storage.c
  *
- * Requires: MBEDTLS_PSA_CRYPTO_C and one of either
- * MBEDTLS_PSA_CRYPTO_STORAGE_FILE_C or MBEDTLS_PSA_CRYPTO_STORAGE_ITS_C
- * (but not both)
- *
+ * 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
 
 /**
- * \def MBEDTLS_PSA_CRYPTO_STORAGE_FILE_C
+ * \def MBEDTLS_PSA_ITS_FILE_C
  *
- * Enable persistent key storage over files for the
- * Platform Security Architecture cryptography API.
+ * Enable the emulation of the Platform Security Architecture
+ * Internal Trusted Storage (PSA ITS) over files.
  *
- * Module:  library/psa_crypto_storage_file.c
+ * Module:  crypto/library/psa_its_file.c
  *
- * Requires: MBEDTLS_PSA_CRYPTO_C, MBEDTLS_FS_IO
+ * Requires: MBEDTLS_FS_IO
  *
  */
-//#define MBEDTLS_PSA_CRYPTO_STORAGE_FILE_C
-
-/**
- * \def MBEDTLS_PSA_CRYPTO_STORAGE_ITS_C
- *
- * Enable persistent key storage over PSA ITS for the
- * Platform Security Architecture cryptography API.
- *
- * Module:  library/psa_crypto_storage_its.c
- *
- * Requires: MBEDTLS_PSA_CRYPTO_C, MBEDTLS_PSA_HAS_ITS_IO
- *
- */
-//#define MBEDTLS_PSA_CRYPTO_STORAGE_ITS_C
+//#define MBEDTLS_PSA_ITS_FILE_C
 
 /**
  * \def MBEDTLS_RIPEMD160_C
diff --git a/library/version_features.c b/library/version_features.c
index 161788c..1be0e0f 100644
--- a/library/version_features.c
+++ b/library/version_features.c
@@ -429,9 +429,9 @@
 #if defined(MBEDTLS_PSA_CRYPTO_SPM)
     "MBEDTLS_PSA_CRYPTO_SPM",
 #endif /* MBEDTLS_PSA_CRYPTO_SPM */
-#if defined(MBEDTLS_PSA_HAS_ITS_IO)
-    "MBEDTLS_PSA_HAS_ITS_IO",
-#endif /* MBEDTLS_PSA_HAS_ITS_IO */
+#if defined(MBEDTLS_PSA_INJECT_ENTROPY)
+    "MBEDTLS_PSA_INJECT_ENTROPY",
+#endif /* MBEDTLS_PSA_INJECT_ENTROPY */
 #if defined(MBEDTLS_RSA_NO_CRT)
     "MBEDTLS_RSA_NO_CRT",
 #endif /* MBEDTLS_RSA_NO_CRT */
@@ -708,12 +708,9 @@
 #if defined(MBEDTLS_PSA_CRYPTO_STORAGE_C)
     "MBEDTLS_PSA_CRYPTO_STORAGE_C",
 #endif /* MBEDTLS_PSA_CRYPTO_STORAGE_C */
-#if defined(MBEDTLS_PSA_CRYPTO_STORAGE_FILE_C)
-    "MBEDTLS_PSA_CRYPTO_STORAGE_FILE_C",
-#endif /* MBEDTLS_PSA_CRYPTO_STORAGE_FILE_C */
-#if defined(MBEDTLS_PSA_CRYPTO_STORAGE_ITS_C)
-    "MBEDTLS_PSA_CRYPTO_STORAGE_ITS_C",
-#endif /* MBEDTLS_PSA_CRYPTO_STORAGE_ITS_C */
+#if defined(MBEDTLS_PSA_ITS_FILE_C)
+    "MBEDTLS_PSA_ITS_FILE_C",
+#endif /* MBEDTLS_PSA_ITS_FILE_C */
 #if defined(MBEDTLS_RIPEMD160_C)
     "MBEDTLS_RIPEMD160_C",
 #endif /* MBEDTLS_RIPEMD160_C */
diff --git a/programs/ssl/query_config.c b/programs/ssl/query_config.c
index f2f7b46..f272676 100644
--- a/programs/ssl/query_config.c
+++ b/programs/ssl/query_config.c
@@ -1186,13 +1186,13 @@
     }
 #endif /* MBEDTLS_PSA_CRYPTO_SPM */
 
-#if defined(MBEDTLS_PSA_HAS_ITS_IO)
-    if( strcmp( "MBEDTLS_PSA_HAS_ITS_IO", config ) == 0 )
+#if defined(MBEDTLS_PSA_INJECT_ENTROPY)
+    if( strcmp( "MBEDTLS_PSA_INJECT_ENTROPY", config ) == 0 )
     {
-        MACRO_EXPANSION_TO_STR( MBEDTLS_PSA_HAS_ITS_IO );
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PSA_INJECT_ENTROPY );
         return( 0 );
     }
-#endif /* MBEDTLS_PSA_HAS_ITS_IO */
+#endif /* MBEDTLS_PSA_INJECT_ENTROPY */
 
 #if defined(MBEDTLS_RSA_NO_CRT)
     if( strcmp( "MBEDTLS_RSA_NO_CRT", config ) == 0 )
@@ -1930,21 +1930,13 @@
     }
 #endif /* MBEDTLS_PSA_CRYPTO_STORAGE_C */
 
-#if defined(MBEDTLS_PSA_CRYPTO_STORAGE_FILE_C)
-    if( strcmp( "MBEDTLS_PSA_CRYPTO_STORAGE_FILE_C", config ) == 0 )
+#if defined(MBEDTLS_PSA_ITS_FILE_C)
+    if( strcmp( "MBEDTLS_PSA_ITS_FILE_C", config ) == 0 )
     {
-        MACRO_EXPANSION_TO_STR( MBEDTLS_PSA_CRYPTO_STORAGE_FILE_C );
+        MACRO_EXPANSION_TO_STR( MBEDTLS_PSA_ITS_FILE_C );
         return( 0 );
     }
-#endif /* MBEDTLS_PSA_CRYPTO_STORAGE_FILE_C */
-
-#if defined(MBEDTLS_PSA_CRYPTO_STORAGE_ITS_C)
-    if( strcmp( "MBEDTLS_PSA_CRYPTO_STORAGE_ITS_C", config ) == 0 )
-    {
-        MACRO_EXPANSION_TO_STR( MBEDTLS_PSA_CRYPTO_STORAGE_ITS_C );
-        return( 0 );
-    }
-#endif /* MBEDTLS_PSA_CRYPTO_STORAGE_ITS_C */
+#endif /* MBEDTLS_PSA_ITS_FILE_C */
 
 #if defined(MBEDTLS_RIPEMD160_C)
     if( strcmp( "MBEDTLS_RIPEMD160_C", config ) == 0 )
diff --git a/scripts/config.pl b/scripts/config.pl
index 84069d2..6300362 100755
--- a/scripts/config.pl
+++ b/scripts/config.pl
@@ -41,10 +41,9 @@
 #   MBEDTLS_USE_PSA_CRYPTO
 #       - experimental, and more an alternative implementation than a feature
 #   MBEDTLS_PSA_CRYPTO_STORAGE_C
-#   MBEDTLS_PSA_CRYPTO_STORAGE_FILE_C
-#   MBEDTLS_PSA_CRYPTO_STORAGE_ITS_C
+#   MBEDTLS_PSA_ITS_FILE_C
 #   MBEDTLS_PSA_CRYPTO_SPM
-#   MBEDTLS_PSA_HAS_ITS_IO
+#   MBEDTLS_PSA_INJECT_ENTROPY
 #   and any symbol beginning _ALT
 #
 
@@ -109,10 +108,9 @@
 MBEDTLS_NO_64BIT_MULTIPLICATION
 MBEDTLS_USE_PSA_CRYPTO
 MBEDTLS_PSA_CRYPTO_STORAGE_C
-MBEDTLS_PSA_CRYPTO_STORAGE_FILE_C
-MBEDTLS_PSA_CRYPTO_STORAGE_ITS_C
+MBEDTLS_PSA_ITS_FILE_C
 MBEDTLS_PSA_CRYPTO_SPM
-MBEDTLS_PSA_HAS_ITS_IO
+MBEDTLS_PSA_INJECT_ENTROPY
 _ALT\s*$
 );