commit 2a87e9bf83640e3b1bc86679c52656c26a0212c2
author Ronald Cron <ronald.cron@arm.com> Wed Oct 19 10:55:26 2022 +0200
committer Ronald Cron <ronald.cron@arm.com> Fri Oct 21 14:34:20 2022 +0200
tree 670839c1b72341af74c8d1d765b29b2ace0c4289
parent fa1e04a7c4cfcd9f31b70096487b3fe7d2079a29

tls: Align set and usage check for PSK

Check that the identity length is not
zero in ssl_conf_set_psk_identity()
as it is done in
mbedtls_ssl_conf_has_static_psk().

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

library/ssl_tls.c

diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 4678f53..a3586e7 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -1654,6 +1654,7 @@
 {
     /* Identity len will be encoded on two bytes */
     if( psk_identity               == NULL ||
+        psk_identity_len           == 0    ||
         ( psk_identity_len >> 16 ) != 0    ||
         psk_identity_len > MBEDTLS_SSL_OUT_CONTENT_LEN )
     {