From 99cdd02955209bb11de841459492d97397f3ac19 Mon Sep 17 00:00:00 2001
From: Aleksandr Lysikov <lysikov@inbox.ru>
Date: Mon, 6 May 2019 23:03:49 +0500
Subject: [PATCH] added check for the existence of the private key to create a
signature
---
dap_chain_sign.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/dap_chain_sign.c b/dap_chain_sign.c
index d784e1fcb6..d9624234f4 100755
--- a/dap_chain_sign.c
+++ b/dap_chain_sign.c
@@ -130,6 +130,10 @@ dap_chain_sign_type_t dap_chain_sign_type_from_str(const char * a_type_str)
static int dap_chain_sign_create_output(dap_enc_key_t *a_key, const void * a_data, const size_t a_data_size,
void * a_output, size_t *a_output_size)
{
+ if(!a_key || !a_key->priv_key_data || !a_key->priv_key_data_size){
+ log_it (L_ERROR, "Can't find the private key to create signature");
+ return -1;
+ }
switch (a_key->type) {
case DAP_ENC_KEY_TYPE_SIG_TESLA:
case DAP_ENC_KEY_TYPE_SIG_PICNIC:
--
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