auth:gensec: Make sure we zero the checksum after use

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>

diff --git a/auth/gensec/schannel.c b/auth/gensec/schannel.c
index 364a0fcc1860eb563329c5401b8019197f5be827..441801bac477b33cd18b53bc8178952e26329c36 100644 (file)
--- a/auth/gensec/schannel.c
+++ b/auth/gensec/schannel.c
@@ -347,6 +347,8 @@ static NTSTATUS netsec_incoming_packet(struct schannel_state *state,
 
        netsec_do_seq_num(state, checksum, checksum_length, seq_num);
 
+       ZERO_ARRAY(checksum);
+
        ret = memcmp(seq_num, sig->data+8, 8);
        if (ret != 0) {
                dump_data_pw("calc seq num:", seq_num, 8);