diff --git a/ChangeLog.d/ciphersuite-sha1-sha384-guard.txt b/ChangeLog.d/ciphersuite-sha1-sha384-guard.txt
new file mode 100644
index 0000000..d253f34
--- /dev/null
+++ b/ChangeLog.d/ciphersuite-sha1-sha384-guard.txt
@@ -0,0 +1,4 @@
+Bugfix
+   * The cipher suite TLS-RSA-WITH-CAMELLIA-256-GCM-SHA384 was not available
+     when SHA-1 was disabled and was offered when SHA-1 was enabled but SHA-384
+     was disabled. Fix the dependency. Fixes #4472.
diff --git a/ChangeLog.d/ciphersuite-sha384-guard.txt b/ChangeLog.d/ciphersuite-sha384-guard.txt
new file mode 100644
index 0000000..0ddf463
--- /dev/null
+++ b/ChangeLog.d/ciphersuite-sha384-guard.txt
@@ -0,0 +1,2 @@
+Bugfix
+   * Do not offer SHA384 cipher suites when SHA-384 is disabled. Fixes #4499.
diff --git a/ChangeLog.d/fix-mingw-build.txt b/ChangeLog.d/fix-mingw-build.txt
new file mode 100644
index 0000000..383b1c7
--- /dev/null
+++ b/ChangeLog.d/fix-mingw-build.txt
@@ -0,0 +1,5 @@
+Changes
+   * fix build failure on MinGW toolchain when __USE_MING_ANSI_STDIO is on.
+     When that flag is on, standard GNU C printf format specifiers
+     should be used.
+
diff --git a/ChangeLog.d/make-generate-tests-python.txt b/ChangeLog.d/make-generate-tests-python.txt
new file mode 100644
index 0000000..4b9009d
--- /dev/null
+++ b/ChangeLog.d/make-generate-tests-python.txt
@@ -0,0 +1,3 @@
+Changes
+   * When building the test suites with GNU make, invoke python3 or python, not
+     python2, which is no longer supported upstream.
diff --git a/ChangeLog.d/psa_sign_message.txt b/ChangeLog.d/psa_sign_message.txt
new file mode 100644
index 0000000..2d77ec0
--- /dev/null
+++ b/ChangeLog.d/psa_sign_message.txt
@@ -0,0 +1,2 @@
+Features
+   * Implement psa_sign_message() and psa_verify_message().
diff --git a/ChangeLog.d/session-cache.txt b/ChangeLog.d/session-cache.txt
new file mode 100644
index 0000000..a12db3c
--- /dev/null
+++ b/ChangeLog.d/session-cache.txt
@@ -0,0 +1,5 @@
+Changes
+    * When using session cache based session resumption on the server,
+      double-check that custom session cache implementations return
+      sessions which are consistent with the negotiated ciphersuite
+      and compression method.
diff --git a/ChangeLog.d/undefined_reference_without_psa.txt b/ChangeLog.d/undefined_reference_without_psa.txt
new file mode 100644
index 0000000..4dae534
--- /dev/null
+++ b/ChangeLog.d/undefined_reference_without_psa.txt
@@ -0,0 +1,4 @@
+Bugfix
+   * With MBEDTLS_PSA_CRYPTO_C disabled, some functions were getting built
+     nonetheless, resulting in undefined reference errors when building a
+     shared library. Reported by Guillermo Garcia M. in #4411.
diff --git a/docs/proposed/psa-driver-interface.md b/docs/proposed/psa-driver-interface.md
index 2bdbff4..23274c7 100644
--- a/docs/proposed/psa-driver-interface.md
+++ b/docs/proposed/psa-driver-interface.md
@@ -134,7 +134,7 @@
     "entry_points": ["sign_hash"],
     "algorithms": ["PSA_ALG_DETERMINISTIC_ECDSA(PSA_ALG_SHA_256)",
                    "PSA_ALG_DETERMINISTIC_ECDSA(PSA_ALG_SHA_384)"],
-    "key_types": ["PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_CURVE_SECP_R1)"],
+    "key_types": ["PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_R1)"],
     "key_sizes": [256, 384]
 }
 ```
@@ -164,7 +164,7 @@
 Valid examples:
 ```
 PSA_KEY_TYPE_AES
-PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_CURVE_SECP_R1)
+PSA_KEY_TYPE_ECC_KEY_PAIR(PSA_ECC_FAMILY_SECP_R1)
 PSA_KEY_TYPE_ECC_KEY_PAIR(_)
 ```
 
diff --git a/include/mbedtls/debug.h b/include/mbedtls/debug.h
index dd20ba0..3c08244 100644
--- a/include/mbedtls/debug.h
+++ b/include/mbedtls/debug.h
@@ -94,8 +94,13 @@
  */
 #if defined(__has_attribute)
 #if __has_attribute(format)
+#if defined(__MINGW32__) && __USE_MINGW_ANSI_STDIO == 1
 #define MBEDTLS_PRINTF_ATTRIBUTE(string_index, first_to_check)    \
-    __attribute__((format (printf, string_index, first_to_check)))
+    __attribute__((__format__ (gnu_printf, string_index, first_to_check)))
+#else /* defined(__MINGW32__) && __USE_MINGW_ANSI_STDIO == 1 */
+#define MBEDTLS_PRINTF_ATTRIBUTE(string_index, first_to_check)    \
+    __attribute__((format(printf, string_index, first_to_check)))
+#endif
 #else /* __has_attribute(format) */
 #define MBEDTLS_PRINTF_ATTRIBUTE(string_index, first_to_check)
 #endif /* __has_attribute(format) */
@@ -115,14 +120,14 @@
  *
  * This module provides debugging functions.
  */
-#if defined(__MINGW32__) || (defined(_MSC_VER) && _MSC_VER < 1800)
+#if (defined(__MINGW32__) && __USE_MINGW_ANSI_STDIO == 0) || (defined(_MSC_VER) && _MSC_VER < 1800)
    #include <inttypes.h>
    #define MBEDTLS_PRINTF_SIZET     PRIuPTR
    #define MBEDTLS_PRINTF_LONGLONG  "I64d"
-#else /* defined(__MINGW32__) || (defined(_MSC_VER) && _MSC_VER < 1800) */
+#else /* (defined(__MINGW32__)  && __USE_MINGW_ANSI_STDIO == 0) || (defined(_MSC_VER) && _MSC_VER < 1800) */
    #define MBEDTLS_PRINTF_SIZET     "zu"
    #define MBEDTLS_PRINTF_LONGLONG  "lld"
-#endif /* defined(__MINGW32__) || (defined(_MSC_VER) && _MSC_VER < 1800) */
+#endif /* (defined(__MINGW32__)  && __USE_MINGW_ANSI_STDIO == 0) || (defined(_MSC_VER) && _MSC_VER < 1800) */
 
 #ifdef __cplusplus
 extern "C" {
diff --git a/include/mbedtls/padlock.h b/include/mbedtls/padlock.h
index 78dbeb6..4f4e400 100644
--- a/include/mbedtls/padlock.h
+++ b/include/mbedtls/padlock.h
@@ -71,7 +71,7 @@
  *
  * \param feature  The feature to detect
  *
- * \return         1 if CPU has support for the feature, 0 otherwise
+ * \return         non-zero if CPU has support for the feature, 0 otherwise
  */
 int mbedtls_padlock_has_support( int feature );
 
diff --git a/library/ecdsa.c b/library/ecdsa.c
index 7f259e1..640eb24 100644
--- a/library/ecdsa.c
+++ b/library/ecdsa.c
@@ -726,7 +726,7 @@
                                     unsigned char *sig, size_t *slen )
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
-    unsigned char buf[MBEDTLS_ECDSA_MAX_LEN];
+    unsigned char buf[MBEDTLS_ECDSA_MAX_LEN] = {0};
     unsigned char *p = buf + sizeof( buf );
     size_t len = 0;
 
diff --git a/library/psa_crypto_driver_wrappers.c b/library/psa_crypto_driver_wrappers.c
index aab66ab..f61e5eb 100644
--- a/library/psa_crypto_driver_wrappers.c
+++ b/library/psa_crypto_driver_wrappers.c
@@ -28,6 +28,8 @@
 
 #include "mbedtls/platform.h"
 
+#if defined(MBEDTLS_PSA_CRYPTO_C)
+
 #if defined(MBEDTLS_PSA_CRYPTO_DRIVERS)
 
 /* Include test driver definition when running tests */
@@ -1777,4 +1779,5 @@
             return( PSA_ERROR_INVALID_ARGUMENT );
     }
 }
-/* End of automatically generated file. */
+
+#endif /* MBEDTLS_PSA_CRYPTO_C */
diff --git a/library/ssl_cache.c b/library/ssl_cache.c
index 7e9d4da..32188cf 100644
--- a/library/ssl_cache.c
+++ b/library/ssl_cache.c
@@ -78,14 +78,12 @@
             continue;
 #endif
 
-        if( session->ciphersuite != entry->session.ciphersuite ||
-            session->compression != entry->session.compression ||
-            session->id_len != entry->session.id_len )
-            continue;
-
-        if( memcmp( session->id, entry->session.id,
+        if( session->id_len != entry->session.id_len ||
+            memcmp( session->id, entry->session.id,
                     entry->session.id_len ) != 0 )
+        {
             continue;
+        }
 
         ret = mbedtls_ssl_session_copy( session, &entry->session );
         if( ret != 0 )
diff --git a/library/ssl_ciphersuites.c b/library/ssl_ciphersuites.c
index 6985fe5..3826ad2 100644
--- a/library/ssl_ciphersuites.c
+++ b/library/ssl_ciphersuites.c
@@ -34,6 +34,11 @@
 
 #include <string.h>
 
+#undef HAVE_SHA384
+#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_SHA512_NO_SHA384)
+#define HAVE_SHA384
+#endif
+
 /*
  * Ordered from most preferred to least preferred in terms of security.
  *
@@ -411,7 +416,7 @@
       0 },
 #endif /* MBEDTLS_GCM_C */
 #endif /* MBEDTLS_SHA256_C */
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
 #if defined(MBEDTLS_CIPHER_MODE_CBC)
     { MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384, "TLS-ECDHE-ECDSA-WITH-AES-256-CBC-SHA384",
       MBEDTLS_CIPHER_AES_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA,
@@ -426,7 +431,7 @@
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
 #endif /* MBEDTLS_GCM_C */
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #if defined(MBEDTLS_CCM_C)
     { MBEDTLS_TLS_ECDHE_ECDSA_WITH_AES_256_CCM, "TLS-ECDHE-ECDSA-WITH-AES-256-CCM",
       MBEDTLS_CIPHER_AES_256_CCM, MBEDTLS_MD_SHA256, MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA,
@@ -460,13 +465,13 @@
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
 #endif /* MBEDTLS_SHA256_C */
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_CBC_SHA384, "TLS-ECDHE-ECDSA-WITH-CAMELLIA-256-CBC-SHA384",
       MBEDTLS_CIPHER_CAMELLIA_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_1,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_CIPHER_MODE_CBC */
 
 #if defined(MBEDTLS_GCM_C)
@@ -477,13 +482,13 @@
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
 #endif /* MBEDTLS_SHA256_C */
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_ECDHE_ECDSA_WITH_CAMELLIA_256_GCM_SHA384, "TLS-ECDHE-ECDSA-WITH-CAMELLIA-256-GCM-SHA384",
       MBEDTLS_CIPHER_CAMELLIA_256_GCM, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_GCM_C */
 #endif /* MBEDTLS_CAMELLIA_C */
 
@@ -552,7 +557,7 @@
       0 },
 #endif /* MBEDTLS_GCM_C */
 #endif /* MBEDTLS_SHA256_C */
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
 #if defined(MBEDTLS_CIPHER_MODE_CBC)
     { MBEDTLS_TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384, "TLS-ECDHE-RSA-WITH-AES-256-CBC-SHA384",
       MBEDTLS_CIPHER_AES_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDHE_RSA,
@@ -567,7 +572,7 @@
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
 #endif /* MBEDTLS_GCM_C */
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_AES_C */
 
 #if defined(MBEDTLS_CAMELLIA_C)
@@ -579,13 +584,13 @@
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
 #endif /* MBEDTLS_SHA256_C */
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_CBC_SHA384, "TLS-ECDHE-RSA-WITH-CAMELLIA-256-CBC-SHA384",
       MBEDTLS_CIPHER_CAMELLIA_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDHE_RSA,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_1,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_CIPHER_MODE_CBC */
 
 #if defined(MBEDTLS_GCM_C)
@@ -596,13 +601,13 @@
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
 #endif /* MBEDTLS_SHA256_C */
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_ECDHE_RSA_WITH_CAMELLIA_256_GCM_SHA384, "TLS-ECDHE-RSA-WITH-CAMELLIA-256-GCM-SHA384",
       MBEDTLS_CIPHER_CAMELLIA_256_GCM, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDHE_RSA,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_GCM_C */
 #endif /* MBEDTLS_CAMELLIA_C */
 
@@ -641,13 +646,13 @@
 
 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED)
 #if defined(MBEDTLS_AES_C)
-#if defined(MBEDTLS_SHA512_C) && defined(MBEDTLS_GCM_C)
+#if defined(HAVE_SHA384) && defined(MBEDTLS_GCM_C)
     { MBEDTLS_TLS_DHE_RSA_WITH_AES_256_GCM_SHA384, "TLS-DHE-RSA-WITH-AES-256-GCM-SHA384",
       MBEDTLS_CIPHER_AES_256_GCM, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_DHE_RSA,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C && MBEDTLS_GCM_C */
+#endif /* HAVE_SHA384 && MBEDTLS_GCM_C */
 
 #if defined(MBEDTLS_SHA256_C)
 #if defined(MBEDTLS_GCM_C)
@@ -751,13 +756,13 @@
       0 },
 #endif /* MBEDTLS_SHA256_C */
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_DHE_RSA_WITH_CAMELLIA_256_GCM_SHA384, "TLS-DHE-RSA-WITH-CAMELLIA-256-GCM-SHA384",
       MBEDTLS_CIPHER_CAMELLIA_256_GCM, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_DHE_RSA,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_GCM_C */
 #endif /* MBEDTLS_CAMELLIA_C */
 
@@ -776,13 +781,13 @@
 
 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED)
 #if defined(MBEDTLS_AES_C)
-#if defined(MBEDTLS_SHA512_C) && defined(MBEDTLS_GCM_C)
+#if defined(HAVE_SHA384) && defined(MBEDTLS_GCM_C)
     { MBEDTLS_TLS_RSA_WITH_AES_256_GCM_SHA384, "TLS-RSA-WITH-AES-256-GCM-SHA384",
       MBEDTLS_CIPHER_AES_256_GCM, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_RSA,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C && MBEDTLS_GCM_C */
+#endif /* HAVE_SHA384 && MBEDTLS_GCM_C */
 
 #if defined(MBEDTLS_SHA256_C)
 #if defined(MBEDTLS_GCM_C)
@@ -887,13 +892,13 @@
       0 },
 #endif /* MBEDTLS_SHA256_C */
 
-#if defined(MBEDTLS_SHA1_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_RSA_WITH_CAMELLIA_256_GCM_SHA384, "TLS-RSA-WITH-CAMELLIA-256-GCM-SHA384",
       MBEDTLS_CIPHER_CAMELLIA_256_GCM, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_RSA,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA1_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_GCM_C */
 #endif /* MBEDTLS_CAMELLIA_C */
 
@@ -960,7 +965,7 @@
       0 },
 #endif /* MBEDTLS_GCM_C */
 #endif /* MBEDTLS_SHA256_C */
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
 #if defined(MBEDTLS_CIPHER_MODE_CBC)
     { MBEDTLS_TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384, "TLS-ECDH-RSA-WITH-AES-256-CBC-SHA384",
       MBEDTLS_CIPHER_AES_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDH_RSA,
@@ -975,7 +980,7 @@
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
 #endif /* MBEDTLS_GCM_C */
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_AES_C */
 
 #if defined(MBEDTLS_CAMELLIA_C)
@@ -987,13 +992,13 @@
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
 #endif /* MBEDTLS_SHA256_C */
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_CBC_SHA384, "TLS-ECDH-RSA-WITH-CAMELLIA-256-CBC-SHA384",
       MBEDTLS_CIPHER_CAMELLIA_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDH_RSA,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_1,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_CIPHER_MODE_CBC */
 
 #if defined(MBEDTLS_GCM_C)
@@ -1004,13 +1009,13 @@
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
 #endif /* MBEDTLS_SHA256_C */
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_ECDH_RSA_WITH_CAMELLIA_256_GCM_SHA384, "TLS-ECDH-RSA-WITH-CAMELLIA-256-GCM-SHA384",
       MBEDTLS_CIPHER_CAMELLIA_256_GCM, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDH_RSA,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_GCM_C */
 #endif /* MBEDTLS_CAMELLIA_C */
 
@@ -1079,7 +1084,7 @@
       0 },
 #endif /* MBEDTLS_GCM_C */
 #endif /* MBEDTLS_SHA256_C */
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
 #if defined(MBEDTLS_CIPHER_MODE_CBC)
     { MBEDTLS_TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384, "TLS-ECDH-ECDSA-WITH-AES-256-CBC-SHA384",
       MBEDTLS_CIPHER_AES_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA,
@@ -1094,7 +1099,7 @@
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
 #endif /* MBEDTLS_GCM_C */
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_AES_C */
 
 #if defined(MBEDTLS_CAMELLIA_C)
@@ -1106,13 +1111,13 @@
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
 #endif /* MBEDTLS_SHA256_C */
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_CBC_SHA384, "TLS-ECDH-ECDSA-WITH-CAMELLIA-256-CBC-SHA384",
       MBEDTLS_CIPHER_CAMELLIA_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_1,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_CIPHER_MODE_CBC */
 
 #if defined(MBEDTLS_GCM_C)
@@ -1123,13 +1128,13 @@
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
 #endif /* MBEDTLS_SHA256_C */
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_ECDH_ECDSA_WITH_CAMELLIA_256_GCM_SHA384, "TLS-ECDH-ECDSA-WITH-CAMELLIA-256-GCM-SHA384",
       MBEDTLS_CIPHER_CAMELLIA_256_GCM, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_GCM_C */
 #endif /* MBEDTLS_CAMELLIA_C */
 
@@ -1177,13 +1182,13 @@
       0 },
 #endif /* MBEDTLS_SHA256_C */
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_PSK_WITH_AES_256_GCM_SHA384, "TLS-PSK-WITH-AES-256-GCM-SHA384",
       MBEDTLS_CIPHER_AES_256_GCM, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_PSK,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_GCM_C */
 
 #if defined(MBEDTLS_CIPHER_MODE_CBC)
@@ -1195,13 +1200,13 @@
       0 },
 #endif /* MBEDTLS_SHA256_C */
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_PSK_WITH_AES_256_CBC_SHA384, "TLS-PSK-WITH-AES-256-CBC-SHA384",
       MBEDTLS_CIPHER_AES_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_PSK,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_1,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 
 #if defined(MBEDTLS_SHA1_C)
     { MBEDTLS_TLS_PSK_WITH_AES_128_CBC_SHA, "TLS-PSK-WITH-AES-128-CBC-SHA",
@@ -1251,13 +1256,13 @@
       0 },
 #endif /* MBEDTLS_SHA256_C */
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_CBC_SHA384, "TLS-PSK-WITH-CAMELLIA-256-CBC-SHA384",
       MBEDTLS_CIPHER_CAMELLIA_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_PSK,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_1,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_CIPHER_MODE_CBC */
 
 #if defined(MBEDTLS_GCM_C)
@@ -1269,13 +1274,13 @@
       0 },
 #endif /* MBEDTLS_SHA256_C */
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_PSK_WITH_CAMELLIA_256_GCM_SHA384, "TLS-PSK-WITH-CAMELLIA-256-GCM-SHA384",
       MBEDTLS_CIPHER_CAMELLIA_256_GCM, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_PSK,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_GCM_C */
 #endif /* MBEDTLS_CAMELLIA_C */
 
@@ -1313,13 +1318,13 @@
       0 },
 #endif /* MBEDTLS_SHA256_C */
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_DHE_PSK_WITH_AES_256_GCM_SHA384, "TLS-DHE-PSK-WITH-AES-256-GCM-SHA384",
       MBEDTLS_CIPHER_AES_256_GCM, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_DHE_PSK,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_GCM_C */
 
 #if defined(MBEDTLS_CIPHER_MODE_CBC)
@@ -1331,13 +1336,13 @@
       0 },
 #endif /* MBEDTLS_SHA256_C */
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_DHE_PSK_WITH_AES_256_CBC_SHA384, "TLS-DHE-PSK-WITH-AES-256-CBC-SHA384",
       MBEDTLS_CIPHER_AES_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_DHE_PSK,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_1,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 
 #if defined(MBEDTLS_SHA1_C)
     { MBEDTLS_TLS_DHE_PSK_WITH_AES_128_CBC_SHA, "TLS-DHE-PSK-WITH-AES-128-CBC-SHA",
@@ -1387,13 +1392,13 @@
       0 },
 #endif /* MBEDTLS_SHA256_C */
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_CBC_SHA384, "TLS-DHE-PSK-WITH-CAMELLIA-256-CBC-SHA384",
       MBEDTLS_CIPHER_CAMELLIA_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_DHE_PSK,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_1,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_CIPHER_MODE_CBC */
 
 #if defined(MBEDTLS_GCM_C)
@@ -1405,13 +1410,13 @@
       0 },
 #endif /* MBEDTLS_SHA256_C */
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_DHE_PSK_WITH_CAMELLIA_256_GCM_SHA384, "TLS-DHE-PSK-WITH-CAMELLIA-256-GCM-SHA384",
       MBEDTLS_CIPHER_CAMELLIA_256_GCM, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_DHE_PSK,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_GCM_C */
 #endif /* MBEDTLS_CAMELLIA_C */
 
@@ -1450,13 +1455,13 @@
       0 },
 #endif /* MBEDTLS_SHA256_C */
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_ECDHE_PSK_WITH_AES_256_CBC_SHA384, "TLS-ECDHE-PSK-WITH-AES-256-CBC-SHA384",
       MBEDTLS_CIPHER_AES_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDHE_PSK,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_1,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 
 #if defined(MBEDTLS_SHA1_C)
     { MBEDTLS_TLS_ECDHE_PSK_WITH_AES_128_CBC_SHA, "TLS-ECDHE-PSK-WITH-AES-128-CBC-SHA",
@@ -1484,13 +1489,13 @@
       0 },
 #endif /* MBEDTLS_SHA256_C */
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_ECDHE_PSK_WITH_CAMELLIA_256_CBC_SHA384, "TLS-ECDHE-PSK-WITH-CAMELLIA-256-CBC-SHA384",
       MBEDTLS_CIPHER_CAMELLIA_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDHE_PSK,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_1,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_CIPHER_MODE_CBC */
 #endif /* MBEDTLS_CAMELLIA_C */
 
@@ -1528,13 +1533,13 @@
       0 },
 #endif /* MBEDTLS_SHA256_C */
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_RSA_PSK_WITH_AES_256_GCM_SHA384, "TLS-RSA-PSK-WITH-AES-256-GCM-SHA384",
       MBEDTLS_CIPHER_AES_256_GCM, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_RSA_PSK,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_GCM_C */
 
 #if defined(MBEDTLS_CIPHER_MODE_CBC)
@@ -1546,13 +1551,13 @@
       0 },
 #endif /* MBEDTLS_SHA256_C */
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_RSA_PSK_WITH_AES_256_CBC_SHA384, "TLS-RSA-PSK-WITH-AES-256-CBC-SHA384",
       MBEDTLS_CIPHER_AES_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_RSA_PSK,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_1,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 
 #if defined(MBEDTLS_SHA1_C)
     { MBEDTLS_TLS_RSA_PSK_WITH_AES_128_CBC_SHA, "TLS-RSA-PSK-WITH-AES-128-CBC-SHA",
@@ -1580,13 +1585,13 @@
       0 },
 #endif /* MBEDTLS_SHA256_C */
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_CBC_SHA384, "TLS-RSA-PSK-WITH-CAMELLIA-256-CBC-SHA384",
       MBEDTLS_CIPHER_CAMELLIA_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_RSA_PSK,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_1,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_CIPHER_MODE_CBC */
 
 #if defined(MBEDTLS_GCM_C)
@@ -1598,13 +1603,13 @@
       0 },
 #endif /* MBEDTLS_SHA256_C */
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_RSA_PSK_WITH_CAMELLIA_256_GCM_SHA384, "TLS-RSA-PSK-WITH-CAMELLIA-256-GCM-SHA384",
       MBEDTLS_CIPHER_CAMELLIA_256_GCM, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_RSA_PSK,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
-#endif /* MBEDTLS_SHA512_C */
+#endif /* HAVE_SHA384 */
 #endif /* MBEDTLS_GCM_C */
 #endif /* MBEDTLS_CAMELLIA_C */
 
@@ -1688,7 +1693,7 @@
       MBEDTLS_CIPHERSUITE_WEAK },
 #endif
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_PSK_WITH_NULL_SHA384, "TLS-PSK-WITH-NULL-SHA384",
       MBEDTLS_CIPHER_NULL, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_PSK,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_1,
@@ -1714,7 +1719,7 @@
       MBEDTLS_CIPHERSUITE_WEAK },
 #endif
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_DHE_PSK_WITH_NULL_SHA384, "TLS-DHE-PSK-WITH-NULL-SHA384",
       MBEDTLS_CIPHER_NULL, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_DHE_PSK,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_1,
@@ -1740,7 +1745,7 @@
       MBEDTLS_CIPHERSUITE_WEAK },
 #endif
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_ECDHE_PSK_WITH_NULL_SHA384, "TLS-ECDHE-PSK-WITH-NULL-SHA384",
       MBEDTLS_CIPHER_NULL, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDHE_PSK,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_1,
@@ -1766,7 +1771,7 @@
       MBEDTLS_CIPHERSUITE_WEAK },
 #endif
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(HAVE_SHA384)
     { MBEDTLS_TLS_RSA_PSK_WITH_NULL_SHA384, "TLS-RSA-PSK-WITH-NULL-SHA384",
       MBEDTLS_CIPHER_NULL, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_RSA_PSK,
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_1,
@@ -1805,7 +1810,7 @@
 
 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_ENABLED)
 
-#if (defined(MBEDTLS_GCM_C) && defined(MBEDTLS_SHA512_C))
+#if (defined(MBEDTLS_GCM_C) && defined(HAVE_SHA384))
     { MBEDTLS_TLS_RSA_WITH_ARIA_256_GCM_SHA384,
              "TLS-RSA-WITH-ARIA-256-GCM-SHA384",
       MBEDTLS_CIPHER_ARIA_256_GCM, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_RSA,
@@ -1813,7 +1818,7 @@
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
 #endif
-#if (defined(MBEDTLS_CIPHER_MODE_CBC) && defined(MBEDTLS_SHA512_C))
+#if (defined(MBEDTLS_CIPHER_MODE_CBC) && defined(HAVE_SHA384))
     { MBEDTLS_TLS_RSA_WITH_ARIA_256_CBC_SHA384,
              "TLS-RSA-WITH-ARIA-256-CBC-SHA384",
       MBEDTLS_CIPHER_ARIA_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_RSA,
@@ -1842,7 +1847,7 @@
 
 #if defined(MBEDTLS_KEY_EXCHANGE_RSA_PSK_ENABLED)
 
-#if (defined(MBEDTLS_GCM_C) && defined(MBEDTLS_SHA512_C))
+#if (defined(MBEDTLS_GCM_C) && defined(HAVE_SHA384))
     { MBEDTLS_TLS_RSA_PSK_WITH_ARIA_256_GCM_SHA384,
              "TLS-RSA-PSK-WITH-ARIA-256-GCM-SHA384",
       MBEDTLS_CIPHER_ARIA_256_GCM, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_RSA_PSK,
@@ -1850,7 +1855,7 @@
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
 #endif
-#if (defined(MBEDTLS_CIPHER_MODE_CBC) && defined(MBEDTLS_SHA512_C))
+#if (defined(MBEDTLS_CIPHER_MODE_CBC) && defined(HAVE_SHA384))
     { MBEDTLS_TLS_RSA_PSK_WITH_ARIA_256_CBC_SHA384,
              "TLS-RSA-PSK-WITH-ARIA-256-CBC-SHA384",
       MBEDTLS_CIPHER_ARIA_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_RSA_PSK,
@@ -1879,7 +1884,7 @@
 
 #if defined(MBEDTLS_KEY_EXCHANGE_PSK_ENABLED)
 
-#if (defined(MBEDTLS_GCM_C) && defined(MBEDTLS_SHA512_C))
+#if (defined(MBEDTLS_GCM_C) && defined(HAVE_SHA384))
     { MBEDTLS_TLS_PSK_WITH_ARIA_256_GCM_SHA384,
              "TLS-PSK-WITH-ARIA-256-GCM-SHA384",
       MBEDTLS_CIPHER_ARIA_256_GCM, MBEDTLS_MD_SHA384,MBEDTLS_KEY_EXCHANGE_PSK,
@@ -1887,7 +1892,7 @@
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
 #endif
-#if (defined(MBEDTLS_CIPHER_MODE_CBC) && defined(MBEDTLS_SHA512_C))
+#if (defined(MBEDTLS_CIPHER_MODE_CBC) && defined(HAVE_SHA384))
     { MBEDTLS_TLS_PSK_WITH_ARIA_256_CBC_SHA384,
              "TLS-PSK-WITH-ARIA-256-CBC-SHA384",
       MBEDTLS_CIPHER_ARIA_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_PSK,
@@ -1916,7 +1921,7 @@
 
 #if defined(MBEDTLS_KEY_EXCHANGE_ECDH_RSA_ENABLED)
 
-#if (defined(MBEDTLS_GCM_C) && defined(MBEDTLS_SHA512_C))
+#if (defined(MBEDTLS_GCM_C) && defined(HAVE_SHA384))
     { MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_256_GCM_SHA384,
              "TLS-ECDH-RSA-WITH-ARIA-256-GCM-SHA384",
       MBEDTLS_CIPHER_ARIA_256_GCM, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDH_RSA,
@@ -1924,7 +1929,7 @@
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
 #endif
-#if (defined(MBEDTLS_CIPHER_MODE_CBC) && defined(MBEDTLS_SHA512_C))
+#if (defined(MBEDTLS_CIPHER_MODE_CBC) && defined(HAVE_SHA384))
     { MBEDTLS_TLS_ECDH_RSA_WITH_ARIA_256_CBC_SHA384,
              "TLS-ECDH-RSA-WITH-ARIA-256-CBC-SHA384",
       MBEDTLS_CIPHER_ARIA_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDH_RSA,
@@ -1953,7 +1958,7 @@
 
 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_RSA_ENABLED)
 
-#if (defined(MBEDTLS_GCM_C) && defined(MBEDTLS_SHA512_C))
+#if (defined(MBEDTLS_GCM_C) && defined(HAVE_SHA384))
     { MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384,
              "TLS-ECDHE-RSA-WITH-ARIA-256-GCM-SHA384",
       MBEDTLS_CIPHER_ARIA_256_GCM, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDHE_RSA,
@@ -1961,7 +1966,7 @@
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
 #endif
-#if (defined(MBEDTLS_CIPHER_MODE_CBC) && defined(MBEDTLS_SHA512_C))
+#if (defined(MBEDTLS_CIPHER_MODE_CBC) && defined(HAVE_SHA384))
     { MBEDTLS_TLS_ECDHE_RSA_WITH_ARIA_256_CBC_SHA384,
              "TLS-ECDHE-RSA-WITH-ARIA-256-CBC-SHA384",
       MBEDTLS_CIPHER_ARIA_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDHE_RSA,
@@ -1990,7 +1995,7 @@
 
 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_PSK_ENABLED)
 
-#if (defined(MBEDTLS_CIPHER_MODE_CBC) && defined(MBEDTLS_SHA512_C))
+#if (defined(MBEDTLS_CIPHER_MODE_CBC) && defined(HAVE_SHA384))
     { MBEDTLS_TLS_ECDHE_PSK_WITH_ARIA_256_CBC_SHA384,
              "TLS-ECDHE-PSK-WITH-ARIA-256-CBC-SHA384",
       MBEDTLS_CIPHER_ARIA_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDHE_PSK,
@@ -2011,7 +2016,7 @@
 
 #if defined(MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA_ENABLED)
 
-#if (defined(MBEDTLS_GCM_C) && defined(MBEDTLS_SHA512_C))
+#if (defined(MBEDTLS_GCM_C) && defined(HAVE_SHA384))
     { MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_256_GCM_SHA384,
              "TLS-ECDHE-ECDSA-WITH-ARIA-256-GCM-SHA384",
       MBEDTLS_CIPHER_ARIA_256_GCM, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA,
@@ -2019,7 +2024,7 @@
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
 #endif
-#if (defined(MBEDTLS_CIPHER_MODE_CBC) && defined(MBEDTLS_SHA512_C))
+#if (defined(MBEDTLS_CIPHER_MODE_CBC) && defined(HAVE_SHA384))
     { MBEDTLS_TLS_ECDHE_ECDSA_WITH_ARIA_256_CBC_SHA384,
              "TLS-ECDHE-ECDSA-WITH-ARIA-256-CBC-SHA384",
       MBEDTLS_CIPHER_ARIA_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDHE_ECDSA,
@@ -2048,7 +2053,7 @@
 
 #if defined(MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA_ENABLED)
 
-#if (defined(MBEDTLS_GCM_C) && defined(MBEDTLS_SHA512_C))
+#if (defined(MBEDTLS_GCM_C) && defined(HAVE_SHA384))
     { MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_256_GCM_SHA384,
              "TLS-ECDH-ECDSA-WITH-ARIA-256-GCM-SHA384",
       MBEDTLS_CIPHER_ARIA_256_GCM, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA,
@@ -2056,7 +2061,7 @@
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
 #endif
-#if (defined(MBEDTLS_CIPHER_MODE_CBC) && defined(MBEDTLS_SHA512_C))
+#if (defined(MBEDTLS_CIPHER_MODE_CBC) && defined(HAVE_SHA384))
     { MBEDTLS_TLS_ECDH_ECDSA_WITH_ARIA_256_CBC_SHA384,
              "TLS-ECDH-ECDSA-WITH-ARIA-256-CBC-SHA384",
       MBEDTLS_CIPHER_ARIA_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_ECDH_ECDSA,
@@ -2085,7 +2090,7 @@
 
 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_RSA_ENABLED)
 
-#if (defined(MBEDTLS_GCM_C) && defined(MBEDTLS_SHA512_C))
+#if (defined(MBEDTLS_GCM_C) && defined(HAVE_SHA384))
     { MBEDTLS_TLS_DHE_RSA_WITH_ARIA_256_GCM_SHA384,
              "TLS-DHE-RSA-WITH-ARIA-256-GCM-SHA384",
       MBEDTLS_CIPHER_ARIA_256_GCM, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_DHE_RSA,
@@ -2093,7 +2098,7 @@
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
 #endif
-#if (defined(MBEDTLS_CIPHER_MODE_CBC) && defined(MBEDTLS_SHA512_C))
+#if (defined(MBEDTLS_CIPHER_MODE_CBC) && defined(HAVE_SHA384))
     { MBEDTLS_TLS_DHE_RSA_WITH_ARIA_256_CBC_SHA384,
              "TLS-DHE-RSA-WITH-ARIA-256-CBC-SHA384",
       MBEDTLS_CIPHER_ARIA_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_DHE_RSA,
@@ -2122,7 +2127,7 @@
 
 #if defined(MBEDTLS_KEY_EXCHANGE_DHE_PSK_ENABLED)
 
-#if (defined(MBEDTLS_GCM_C) && defined(MBEDTLS_SHA512_C))
+#if (defined(MBEDTLS_GCM_C) && defined(HAVE_SHA384))
     { MBEDTLS_TLS_DHE_PSK_WITH_ARIA_256_GCM_SHA384,
              "TLS-DHE-PSK-WITH-ARIA-256-GCM-SHA384",
       MBEDTLS_CIPHER_ARIA_256_GCM, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_DHE_PSK,
@@ -2130,7 +2135,7 @@
       MBEDTLS_SSL_MAJOR_VERSION_3, MBEDTLS_SSL_MINOR_VERSION_3,
       0 },
 #endif
-#if (defined(MBEDTLS_CIPHER_MODE_CBC) && defined(MBEDTLS_SHA512_C))
+#if (defined(MBEDTLS_CIPHER_MODE_CBC) && defined(HAVE_SHA384))
     { MBEDTLS_TLS_DHE_PSK_WITH_ARIA_256_CBC_SHA384,
              "TLS-DHE-PSK-WITH-ARIA-256-CBC-SHA384",
       MBEDTLS_CIPHER_ARIA_256_CBC, MBEDTLS_MD_SHA384, MBEDTLS_KEY_EXCHANGE_DHE_PSK,
diff --git a/library/ssl_srv.c b/library/ssl_srv.c
index 581b3f7..aca871e 100644
--- a/library/ssl_srv.c
+++ b/library/ssl_srv.c
@@ -2765,6 +2765,55 @@
 }
 #endif /* MBEDTLS_SSL_DTLS_HELLO_VERIFY */
 
+static void ssl_handle_id_based_session_resumption( mbedtls_ssl_context *ssl )
+{
+    int ret;
+    mbedtls_ssl_session session_tmp;
+    mbedtls_ssl_session * const session = ssl->session_negotiate;
+
+    /* Resume is 0  by default, see ssl_handshake_init().
+     * It may be already set to 1 by ssl_parse_session_ticket_ext(). */
+    if( ssl->handshake->resume == 1 )
+        return;
+    if( session->id_len == 0 )
+        return;
+    if( ssl->conf->f_get_cache == NULL )
+        return;
+#if defined(MBEDTLS_SSL_RENEGOTIATION)
+    if( ssl->renego_status != MBEDTLS_SSL_INITIAL_HANDSHAKE )
+        return;
+#endif
+
+    mbedtls_ssl_session_init( &session_tmp );
+
+    session_tmp.id_len = session->id_len;
+    memcpy( session_tmp.id, session->id, session->id_len );
+
+    ret = ssl->conf->f_get_cache( ssl->conf->p_cache,
+                                  &session_tmp );
+    if( ret != 0 )
+        goto exit;
+
+    if( session->ciphersuite != session_tmp.ciphersuite ||
+        session->compression != session_tmp.compression )
+    {
+        /* Mismatch between cached and negotiated session */
+        goto exit;
+    }
+
+    /* Move semantics */
+    mbedtls_ssl_session_free( session );
+    *session = session_tmp;
+    memset( &session_tmp, 0, sizeof( session_tmp ) );
+
+    MBEDTLS_SSL_DEBUG_MSG( 3, ( "session successfully restored from cache" ) );
+    ssl->handshake->resume = 1;
+
+exit:
+
+    mbedtls_ssl_session_free( &session_tmp );
+}
+
 static int ssl_write_server_hello( mbedtls_ssl_context *ssl )
 {
 #if defined(MBEDTLS_HAVE_TIME)
@@ -2835,22 +2884,7 @@
 
     MBEDTLS_SSL_DEBUG_BUF( 3, "server hello, random bytes", buf + 6, 32 );
 
-    /*
-     * Resume is 0  by default, see ssl_handshake_init().
-     * It may be already set to 1 by ssl_parse_session_ticket_ext().
-     * If not, try looking up session ID in our cache.
-     */
-    if( ssl->handshake->resume == 0 &&
-#if defined(MBEDTLS_SSL_RENEGOTIATION)
-        ssl->renego_status == MBEDTLS_SSL_INITIAL_HANDSHAKE &&
-#endif
-        ssl->session_negotiate->id_len != 0 &&
-        ssl->conf->f_get_cache != NULL &&
-        ssl->conf->f_get_cache( ssl->conf->p_cache, ssl->session_negotiate ) == 0 )
-    {
-        MBEDTLS_SSL_DEBUG_MSG( 3, ( "session successfully restored from cache" ) );
-        ssl->handshake->resume = 1;
-    }
+    ssl_handle_id_based_session_resumption( ssl );
 
     if( ssl->handshake->resume == 0 )
     {
diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index e367fbd..a4cf44c 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -721,7 +721,7 @@
 }
 #endif /* MBEDTLS_SHA256_C */
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_SHA512_NO_SHA384)
 static int tls_prf_sha384( const unsigned char *secret, size_t slen,
                            const char *label,
                            const unsigned char *random, size_t rlen,
@@ -730,7 +730,7 @@
     return( tls_prf_generic( MBEDTLS_MD_SHA384, secret, slen,
                              label, random, rlen, dstbuf, dlen ) );
 }
-#endif /* MBEDTLS_SHA512_C */
+#endif /* MBEDTLS_SHA512_C && !MBEDTLS_SHA512_NO_SHA384 */
 #endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
 
 static void ssl_update_checksum_start( mbedtls_ssl_context *, const unsigned char *, size_t );
@@ -757,7 +757,7 @@
 static void ssl_calc_finished_tls_sha256( mbedtls_ssl_context *,unsigned char *, int );
 #endif
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_SHA512_NO_SHA384)
 static void ssl_update_checksum_sha384( mbedtls_ssl_context *, const unsigned char *, size_t );
 static void ssl_calc_verify_tls_sha384( const mbedtls_ssl_context *, unsigned char*, size_t * );
 static void ssl_calc_finished_tls_sha384( mbedtls_ssl_context *, unsigned char *, int );
@@ -804,7 +804,7 @@
     else
 #endif
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2)
-#if defined(MBEDTLS_SHA512_C)
+#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_SHA512_NO_SHA384)
     if( tls_prf == tls_prf_sha384 )
     {
         return( MBEDTLS_SSL_TLS_PRF_SHA384 );
@@ -845,11 +845,11 @@
 #endif /* MBEDTLS_SSL_PROTO_TLS1 || MBEDTLS_SSL_PROTO_TLS1_1 */
 
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2)
-#if defined(MBEDTLS_SHA512_C)
+#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_SHA512_NO_SHA384)
         case MBEDTLS_SSL_TLS_PRF_SHA384:
             tls_prf = tls_prf_sha384;
         break;
-#endif /* MBEDTLS_SHA512_C */
+#endif /* MBEDTLS_SHA512_C && !MBEDTLS_SHA512_NO_SHA384 */
 #if defined(MBEDTLS_SHA256_C)
         case MBEDTLS_SSL_TLS_PRF_SHA256:
             tls_prf = tls_prf_sha256;
@@ -1450,7 +1450,8 @@
                                    int minor_ver,
                                    mbedtls_md_type_t hash )
 {
-#if !defined(MBEDTLS_SSL_PROTO_TLS1_2) || !defined(MBEDTLS_SHA512_C)
+#if !defined(MBEDTLS_SSL_PROTO_TLS1_2) ||       \
+    !( defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_SHA512_NO_SHA384) )
     (void) hash;
 #endif
 
@@ -1473,7 +1474,7 @@
     else
 #endif
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2)
-#if defined(MBEDTLS_SHA512_C)
+#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_SHA512_NO_SHA384)
     if( minor_ver == MBEDTLS_SSL_MINOR_VERSION_3 &&
         hash == MBEDTLS_MD_SHA384 )
     {
@@ -1865,7 +1866,7 @@
 }
 #endif /* MBEDTLS_SHA256_C */
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_SHA512_NO_SHA384)
 void ssl_calc_verify_tls_sha384( const mbedtls_ssl_context *ssl,
                                  unsigned char *hash,
                                  size_t *hlen )
@@ -1912,7 +1913,7 @@
 #endif /* MBEDTLS_USE_PSA_CRYPTO */
     return;
 }
-#endif /* MBEDTLS_SHA512_C */
+#endif /* MBEDTLS_SHA512_C && !MBEDTLS_SHA512_NO_SHA384 */
 #endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
 
 #if defined(MBEDTLS_KEY_EXCHANGE_SOME_PSK_ENABLED)
@@ -2936,7 +2937,7 @@
     else
 #endif
 #if defined(MBEDTLS_SSL_PROTO_TLS1_2)
-#if defined(MBEDTLS_SHA512_C)
+#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_SHA512_NO_SHA384)
     if( ciphersuite_info->mac == MBEDTLS_MD_SHA384 )
         ssl->handshake->update_checksum = ssl_update_checksum_sha384;
     else
@@ -2969,7 +2970,7 @@
     mbedtls_sha256_starts_ret( &ssl->handshake->fin_sha256, 0 );
 #endif
 #endif
-#if defined(MBEDTLS_SHA512_C)
+#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_SHA512_NO_SHA384)
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
     psa_hash_abort( &ssl->handshake->fin_sha384_psa );
     psa_hash_setup( &ssl->handshake->fin_sha384_psa, PSA_ALG_SHA_384 );
@@ -2996,7 +2997,7 @@
     mbedtls_sha256_update_ret( &ssl->handshake->fin_sha256, buf, len );
 #endif
 #endif
-#if defined(MBEDTLS_SHA512_C)
+#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_SHA512_NO_SHA384)
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
     psa_hash_update( &ssl->handshake->fin_sha384_psa, buf, len );
 #else
@@ -3029,7 +3030,7 @@
 }
 #endif
 
-#if defined(MBEDTLS_SHA512_C)
+#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_SHA512_NO_SHA384)
 static void ssl_update_checksum_sha384( mbedtls_ssl_context *ssl,
                                         const unsigned char *buf, size_t len )
 {
@@ -3263,9 +3264,7 @@
 }
 #endif /* MBEDTLS_SHA256_C */
 
-#if defined(MBEDTLS_SHA512_C)
-
-typedef int (*finish_sha384_t)(mbedtls_sha512_context*, unsigned char*);
+#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_SHA512_NO_SHA384)
 
 static void ssl_calc_finished_tls_sha384(
                 mbedtls_ssl_context *ssl, unsigned char *buf, int from )
@@ -3325,13 +3324,19 @@
     MBEDTLS_SSL_DEBUG_BUF( 4, "finished sha512 state", (unsigned char *)
                    sha512.state, sizeof( sha512.state ) );
 #endif
-    /*
-     * For SHA-384, we can save 16 bytes by keeping padbuf 48 bytes long.
-     * However, to avoid stringop-overflow warning in gcc, we have to cast
-     * mbedtls_sha512_finish_ret().
+    /* mbedtls_sha512_finish_ret's output parameter is declared as a
+     * 64-byte buffer, but sice we're using SHA-384, we know that the
+     * output fits in 48 bytes. This is correct C, but GCC 11.1 warns
+     * about it.
      */
-    finish_sha384_t finish = (finish_sha384_t)mbedtls_sha512_finish_ret;
-    finish( &sha512, padbuf );
+#if defined(__GNUC__) && __GNUC__ >= 11
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wstringop-overflow"
+#endif
+    mbedtls_sha512_finish_ret( &sha512, padbuf );
+#if defined(__GNUC__) && __GNUC__ >= 11
+#pragma GCC diagnostic pop
+#endif
 
     mbedtls_sha512_free( &sha512 );
 #endif
@@ -3345,7 +3350,7 @@
 
     MBEDTLS_SSL_DEBUG_MSG( 2, ( "<= calc  finished" ) );
 }
-#endif /* MBEDTLS_SHA512_C */
+#endif /* MBEDTLS_SHA512_C && !MBEDTLS_SHA512_NO_SHA384 */
 #endif /* MBEDTLS_SSL_PROTO_TLS1_2 */
 
 void mbedtls_ssl_handshake_wrapup_free_hs_transform( mbedtls_ssl_context *ssl )
@@ -3659,7 +3664,7 @@
     mbedtls_sha256_starts_ret( &handshake->fin_sha256, 0 );
 #endif
 #endif
-#if defined(MBEDTLS_SHA512_C)
+#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_SHA512_NO_SHA384)
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
     handshake->fin_sha384_psa = psa_hash_operation_init();
     psa_hash_setup( &handshake->fin_sha384_psa, PSA_ALG_SHA_384 );
@@ -5990,7 +5995,7 @@
     mbedtls_sha256_free(   &handshake->fin_sha256    );
 #endif
 #endif
-#if defined(MBEDTLS_SHA512_C)
+#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_SHA512_NO_SHA384)
 #if defined(MBEDTLS_USE_PSA_CRYPTO)
     psa_hash_abort( &handshake->fin_sha384_psa );
 #else
@@ -6432,7 +6437,7 @@
                            unsigned char *dstbuf, size_t dlen );
 static tls_prf_fn ssl_tls12prf_from_cs( int ciphersuite_id )
 {
-#if defined(MBEDTLS_SHA512_C)
+#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_SHA512_NO_SHA384)
     const mbedtls_ssl_ciphersuite_t * const ciphersuite_info =
          mbedtls_ssl_ciphersuite_from_id( ciphersuite_id );
 
@@ -6847,6 +6852,8 @@
 static int ssl_preset_default_hashes[] = {
 #if defined(MBEDTLS_SHA512_C)
     MBEDTLS_MD_SHA512,
+#endif
+#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_SHA512_NO_SHA384)
     MBEDTLS_MD_SHA384,
 #endif
 #if defined(MBEDTLS_SHA256_C)
@@ -7206,9 +7213,11 @@
         case MBEDTLS_SSL_HASH_SHA256:
             return( MBEDTLS_MD_SHA256 );
 #endif
-#if defined(MBEDTLS_SHA512_C)
+#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_SHA512_NO_SHA384)
         case MBEDTLS_SSL_HASH_SHA384:
             return( MBEDTLS_MD_SHA384 );
+#endif
+#if defined(MBEDTLS_SHA512_C)
         case MBEDTLS_SSL_HASH_SHA512:
             return( MBEDTLS_MD_SHA512 );
 #endif
@@ -7238,9 +7247,11 @@
         case MBEDTLS_MD_SHA256:
             return( MBEDTLS_SSL_HASH_SHA256 );
 #endif
-#if defined(MBEDTLS_SHA512_C)
+#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_SHA512_NO_SHA384)
         case MBEDTLS_MD_SHA384:
             return( MBEDTLS_SSL_HASH_SHA384 );
+#endif
+#if defined(MBEDTLS_SHA512_C)
         case MBEDTLS_MD_SHA512:
             return( MBEDTLS_SSL_HASH_SHA512 );
 #endif
@@ -7400,7 +7411,7 @@
             break;
 #endif
 #endif /* MBEDTLS_SSL_PROTO_TLS1 || MBEDTLS_SSL_PROTO_TLS1_1 */
-#if defined(MBEDTLS_SHA512_C)
+#if defined(MBEDTLS_SHA512_C) && !defined(MBEDTLS_SHA512_NO_SHA384)
         case MBEDTLS_SSL_HASH_SHA384:
             ssl->handshake->calc_verify = ssl_calc_verify_tls_sha384;
             break;
diff --git a/library/x509write_crt.c b/library/x509write_crt.c
index 498b8b0..8f4a4f5 100644
--- a/library/x509write_crt.c
+++ b/library/x509write_crt.c
@@ -233,7 +233,7 @@
 int mbedtls_x509write_crt_set_key_usage( mbedtls_x509write_cert *ctx,
                                          unsigned int key_usage )
 {
-    unsigned char buf[5], ku[2];
+    unsigned char buf[5] = {0}, ku[2] = {0};
     unsigned char *c;
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
     const unsigned int allowed_bits = MBEDTLS_X509_KU_DIGITAL_SIGNATURE |
@@ -272,7 +272,7 @@
 int mbedtls_x509write_crt_set_ns_cert_type( mbedtls_x509write_cert *ctx,
                                     unsigned char ns_cert_type )
 {
-    unsigned char buf[4];
+    unsigned char buf[4] = {0};
     unsigned char *c;
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 
diff --git a/library/x509write_csr.c b/library/x509write_csr.c
index c7c8032..afda950 100644
--- a/library/x509write_csr.c
+++ b/library/x509write_csr.c
@@ -91,7 +91,7 @@
 
 int mbedtls_x509write_csr_set_key_usage( mbedtls_x509write_csr *ctx, unsigned char key_usage )
 {
-    unsigned char buf[4];
+    unsigned char buf[4] = {0};
     unsigned char *c;
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 
@@ -113,7 +113,7 @@
 int mbedtls_x509write_csr_set_ns_cert_type( mbedtls_x509write_csr *ctx,
                                     unsigned char ns_cert_type )
 {
-    unsigned char buf[4];
+    unsigned char buf[4] = {0};
     unsigned char *c;
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
 
diff --git a/programs/fuzz/Makefile b/programs/fuzz/Makefile
index fa17918..084fc24 100644
--- a/programs/fuzz/Makefile
+++ b/programs/fuzz/Makefile
@@ -20,8 +20,6 @@
 DLEXT ?= so
 EXEXT=
 SHARED_SUFFIX=
-# python2 for POSIX since FreeBSD has only python2 as default.
-PYTHON ?= python2
 
 # Zlib shared library extensions:
 ifdef ZLIB
diff --git a/programs/test/udp_proxy.c b/programs/test/udp_proxy.c
index 0b1bfd7..afe0118 100644
--- a/programs/test/udp_proxy.c
+++ b/programs/test/udp_proxy.c
@@ -1005,8 +1005,8 @@
 
     for( delay_idx = 0; delay_idx < MAX_DELAYED_HS; delay_idx++ )
     {
-        mbedtls_free( opt.delay_cli + delay_idx );
-        mbedtls_free( opt.delay_srv + delay_idx );
+        mbedtls_free( opt.delay_cli[delay_idx] );
+        mbedtls_free( opt.delay_srv[delay_idx] );
     }
 
     mbedtls_net_free( &client_fd );
diff --git a/tests/Makefile b/tests/Makefile
index d250d71..59ed45a 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -54,8 +54,7 @@
 DLEXT ?= so
 EXEXT=
 SHARED_SUFFIX=
-# python2 for POSIX since FreeBSD has only python2 as default.
-PYTHON ?= python2
+PYTHON ?= $(shell if type python3 >/dev/null 2>/dev/null; then echo python3; else echo python; fi)
 endif
 
 # Zlib shared library extensions:
diff --git a/tests/compat.sh b/tests/compat.sh
index 6e0a8f9..29aa686 100755
--- a/tests/compat.sh
+++ b/tests/compat.sh
@@ -905,10 +905,23 @@
     fi
 
     M_SERVER_ARGS="server_port=$PORT server_addr=0.0.0.0 force_version=$MODE arc4=1"
-    O_SERVER_ARGS="-accept $PORT -cipher NULL,ALL -$MODE -dhparam data_files/dhparams.pem"
+    O_SERVER_ARGS="-accept $PORT -cipher NULL,ALL -$MODE"
     G_SERVER_ARGS="-p $PORT --http $G_MODE"
     G_SERVER_PRIO="NORMAL:${G_PRIO_CCM}+ARCFOUR-128:+NULL:+MD5:+PSK:+DHE-PSK:+ECDHE-PSK:+SHA256:+SHA384:+RSA-PSK:-VERS-TLS-ALL:$G_PRIO_MODE"
 
+    # The default prime for `openssl s_server` depends on the version:
+    # * OpenSSL <= 1.0.2a: 512-bit
+    # * OpenSSL 1.0.2b to 1.1.1b: 1024-bit
+    # * OpenSSL >= 1.1.1c: 2048-bit
+    # Mbed TLS wants >=1024, so force that for older versions. Don't force
+    # it for newer versions, which reject a 1024-bit prime. Indifferently
+    # force it or not for intermediate versions.
+    case $($OPENSSL_CMD version) in
+        "OpenSSL 1.0"*)
+            O_SERVER_ARGS="$O_SERVER_ARGS -dhparam data_files/dhparams.pem"
+            ;;
+    esac
+
     # with OpenSSL 1.0.1h, -www, -WWW and -HTTP break DTLS handshakes
     if is_dtls "$MODE"; then
         O_SERVER_ARGS="$O_SERVER_ARGS"
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index 2fe73a9..2200f90 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -1197,7 +1197,7 @@
 P_SRV="$P_SRV server_addr=127.0.0.1 server_port=$SRV_PORT"
 P_CLI="$P_CLI server_addr=127.0.0.1 server_port=+SRV_PORT"
 P_PXY="$P_PXY server_addr=127.0.0.1 server_port=$SRV_PORT listen_addr=127.0.0.1 listen_port=$PXY_PORT ${SEED:+"seed=$SEED"}"
-O_SRV="$O_SRV -accept $SRV_PORT -dhparam data_files/dhparams.pem"
+O_SRV="$O_SRV -accept $SRV_PORT"
 O_CLI="$O_CLI -connect localhost:+SRV_PORT"
 G_SRV="$G_SRV -p $SRV_PORT"
 G_CLI="$G_CLI -p +SRV_PORT"
diff --git a/tests/suites/test_suite_psa_crypto_entropy.function b/tests/suites/test_suite_psa_crypto_entropy.function
index 8c1fdab..4dcbb36 100644
--- a/tests/suites/test_suite_psa_crypto_entropy.function
+++ b/tests/suites/test_suite_psa_crypto_entropy.function
@@ -75,7 +75,7 @@
 
     psa_key_attributes_t attributes = PSA_KEY_ATTRIBUTES_INIT;
     psa_set_key_type( &attributes, key_type );
-    psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_SIGN );
+    psa_set_key_usage_flags( &attributes, PSA_KEY_USAGE_SIGN_HASH );
     psa_set_key_algorithm( &attributes, alg );
     mbedtls_svc_key_id_t key = MBEDTLS_SVC_KEY_ID_INIT;
     size_t input_size = input_size_arg;
diff --git a/tests/suites/test_suite_ssl.function b/tests/suites/test_suite_ssl.function
index b1ebf5b..3eeea44 100644
--- a/tests/suites/test_suite_ssl.function
+++ b/tests/suites/test_suite_ssl.function
@@ -2662,7 +2662,7 @@
 void ssl_message_mock_uninitialized( )
 {
     enum { MSGLEN = 10 };
-    unsigned char message[MSGLEN], received[MSGLEN];
+    unsigned char message[MSGLEN] = {0}, received[MSGLEN];
     mbedtls_mock_socket client, server;
     mbedtls_test_message_queue server_queue, client_queue;
     mbedtls_test_message_socket_context server_context, client_context;