commit d8d2ea5674871f3d708626c33d5342921b3ef266
author Ronald Cron <ronald.cron@arm.com> Tue Oct 04 15:48:06 2022 +0200
committer Ronald Cron <ronald.cron@arm.com> Sat Oct 22 14:41:57 2022 +0200
tree 42df5713c838a0b0c84821c47a373aa75875b7ab
parent 89ca97712870a168fad8ad6f7cb15b6f166c9d2f

Add TLS 1.3 key exchange mode config options

Add TLS 1.3 specific configuration options
to enable/disable the support for TLS 1.3
key exchange modes.

These configurations are introduced to
move away from the aforementioned
enablement/disablement based on
MBEDTLS_KEY_EXCHANGE_xxx_ENABLED options
that relate to group of TLS 1.2
ciphersuites.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>

include/mbedtls/build_info.h

diff --git a/include/mbedtls/build_info.h b/include/mbedtls/build_info.h
index 6195ac9..041c5b6 100644
--- a/include/mbedtls/build_info.h
+++ b/include/mbedtls/build_info.h
@@ -78,6 +78,22 @@
 #define MBEDTLS_PK_WRITE_C
 #endif
 
+#if !defined(MBEDTLS_SSL_PROTO_TLS1_3)
+#undef MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_ENABLED
+#undef MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED
+#undef MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED
+#endif
+
+#if defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_ENABLED) || \
+    defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED)
+#define MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_PSK_ENABLED
+#endif
+
+#if defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_EPHEMERAL_ENABLED) || \
+    defined(MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_PSK_EPHEMERAL_ENABLED)
+#define MBEDTLS_SSL_TLS1_3_KEY_EXCHANGE_MODE_SOME_EPHEMERAL_ENABLED
+#endif
+
 /* Make sure all configuration symbols are set before including check_config.h,
  * even the ones that are calculated programmatically. */
 #if defined(MBEDTLS_PSA_CRYPTO_CONFIG) /* PSA_WANT_xxx influences MBEDTLS_xxx */ || \