fix type conversion issue
Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
diff --git a/library/ssl_tls12_client.c b/library/ssl_tls12_client.c
index dd55456..0444f27 100644
--- a/library/ssl_tls12_client.c
+++ b/library/ssl_tls12_client.c
@@ -1137,7 +1137,12 @@
{
const unsigned char *p = ssl->in_msg + mbedtls_ssl_hs_hdr_len( ssl );
uint16_t dtls_legacy_version;
- unsigned char cookie_len;
+
+#if !defined(MBEDTLS_SSL_PROTO_TLS1_3)
+ uint8_t cookie_len;
+#else
+ uint16_t cookie_len;
+#endif
MBEDTLS_SSL_DEBUG_MSG( 2, ( "=> parse hello verify request" ) );