commit f82cb79b875267a1809d61b38c9e30cb81a70ccd
author Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com> Fri Jul 31 12:53:39 2020 +0200
committer Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com> Fri Jul 31 13:19:09 2020 +0200
tree 9f7bf9e5b4b3fdc2e50fc25c7db106ff3d040327
parent 681615a27640868b7d10894072f9e6a1fc5f7487

Add comments clarifying differences between macros

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>

include/mbedtls/ssl_internal.h

diff --git a/include/mbedtls/ssl_internal.h b/include/mbedtls/ssl_internal.h
index c435f7a..4a3eee5 100644
--- a/include/mbedtls/ssl_internal.h
+++ b/include/mbedtls/ssl_internal.h
@@ -152,7 +152,7 @@
 #define MBEDTLS_SSL_RETRANS_WAITING         2
 #define MBEDTLS_SSL_RETRANS_FINISHED        3
 
-/* For CBC-specific encrypt/decrypt code */
+/* This macro determines whether CBC is supported. */
 #if defined(MBEDTLS_CIPHER_MODE_CBC) &&                               \
     ( defined(MBEDTLS_AES_C)      ||                                  \
       defined(MBEDTLS_CAMELLIA_C) ||                                  \
@@ -161,6 +161,8 @@
 #define MBEDTLS_SSL_SOME_SUITES_USE_CBC
 #endif
 
+/* This macro determines whether the CBC construct used in TLS 1.0-1.2 (as
+ * opposed to the very different CBC construct used in SSLv3) is supported. */
 #if defined(MBEDTLS_SSL_SOME_SUITES_USE_CBC) && \
     ( defined(MBEDTLS_SSL_PROTO_TLS1) ||        \
       defined(MBEDTLS_SSL_PROTO_TLS1_1) ||      \