1 files changed, 2 insertions, 0 deletions
diff --git a/PICA_client.c b/PICA_client.c
index 29b6955..979d274 100755
--- a/PICA_client.c
+++ b/PICA_client.c
@@ -1159,6 +1159,8 @@ if (1 != SSL_CTX_set_tmp_dh(a->ctx, dh))
 
 DH_free(dh);
 
+SSL_CTX_set_options(a->ctx, SSL_OP_SINGLE_DH_USE);
+
 if (!PICA_get_id_from_cert_file(cert_file, a->id))
     {
     ret_err = PICA_ERRINVCERT;