Merge enc/dec cipher contexts in ssl transforms
Store the raw encryption and decryption keys in transforms
to set them before each cipher operation. Add a config option
for this - MBEDTLS_SSL_TRANSFORM_OPTIMIZE_CIPHERS.
Signed-off-by: Andrzej Kurek <andrzej.kurek@arm.com>
diff --git a/include/mbedtls/check_config.h b/include/mbedtls/check_config.h
index 7239557..f91f6b4 100644
--- a/include/mbedtls/check_config.h
+++ b/include/mbedtls/check_config.h
@@ -672,6 +672,11 @@
#error "MBEDTLS_SSL_TLS_C defined, but neither TLS or DTLS is active"
#endif
+#if defined(MBEDTLS_SSL_TLS_C) && defined(MBEDTLS_SSL_TRANSFORM_OPTIMIZE_CIPHERS) && \
+ defined(MBEDTLS_ARC4_C)
+#error "MBEDTLS_ARC4_C cannot be defined with MBEDTLS_SSL_TRANSFORM_OPTIMIZE_CIPHERS on"
+#endif
+
#if defined(MBEDTLS_SSL_TLS_C) && (defined(MBEDTLS_SSL_PROTO_SSL3) && \
defined(MBEDTLS_SSL_PROTO_TLS1_1) && !defined(MBEDTLS_SSL_PROTO_TLS1))
#error "Illegal protocol selection"