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-rw-r--r--apps/x509.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/apps/x509.c b/apps/x509.c
index e5fe61087a4d..0199c55268e4 100644
--- a/apps/x509.c
+++ b/apps/x509.c
@@ -1053,6 +1053,10 @@ static int x509_certify(X509_STORE *ctx, char *CAfile, const EVP_MD *digest,
EVP_PKEY *upkey;
upkey = X509_get_pubkey(xca);
+ if (upkey == NULL) {
+ BIO_printf(bio_err, "Error obtaining CA X509 public key\n");
+ goto end;
+ }
EVP_PKEY_copy_parameters(upkey, pkey);
EVP_PKEY_free(upkey);
@@ -1161,6 +1165,8 @@ static int sign(X509 *x, EVP_PKEY *pkey, int days, int clrext,
EVP_PKEY *pktmp;
pktmp = X509_get_pubkey(x);
+ if (pktmp == NULL)
+ goto err;
EVP_PKEY_copy_parameters(pktmp, pkey);
EVP_PKEY_save_parameters(pktmp, 1);
EVP_PKEY_free(pktmp);