Factor repeated preprocessor condition to a macro
The condition is a complex and repeated a few times. There were already some
inconsistencies in the repetitions as some of them forgot about DES.
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/include/mbedtls/ssl_internal.h b/include/mbedtls/ssl_internal.h
index 4aa7463..35b8eed 100644
--- a/include/mbedtls/ssl_internal.h
+++ b/include/mbedtls/ssl_internal.h
@@ -144,6 +144,14 @@
#define MBEDTLS_SSL_RETRANS_WAITING 2
#define MBEDTLS_SSL_RETRANS_FINISHED 3
+/* For CBC-specific encrypt/decrypt code */
+#if defined(MBEDTLS_CIPHER_MODE_CBC) && \
+ ( defined(MBEDTLS_AES_C) || \
+ defined(MBEDTLS_CAMELLIA_C) || \
+ defined(MBEDTLS_DES_C) )
+#define MBEDTLS_SSL_SOME_SUITES_USE_CBC
+#endif
+
/*
* Allow extra bytes for record, authentication and encryption overhead:
* counter (8) + header (5) + IV(16) + MAC (16-48) + padding (0-256)