+
+ASN1_TYPE *ASN1_TYPE_pack_sequence(const ASN1_ITEM *it, void *s, ASN1_TYPE **t)
+{
+ ASN1_OCTET_STRING *oct;
+ ASN1_TYPE *rt;
+
+ oct = ASN1_item_pack(s, it, NULL);
+ if (oct == NULL)
+ return NULL;
+
+ if (t && *t) {
+ rt = *t;
+ } else {
+ rt = ASN1_TYPE_new();
+ if (rt == NULL) {
+ ASN1_OCTET_STRING_free(oct);
+ return NULL;
+ }
+ if (t)
+ *t = rt;
+ }
+ ASN1_TYPE_set(rt, V_ASN1_SEQUENCE, oct);
+ return rt;
+}
+
+void *ASN1_TYPE_unpack_sequence(const ASN1_ITEM *it, const ASN1_TYPE *t)
+{
+ if (t == NULL || t->type != V_ASN1_SEQUENCE || t->value.sequence == NULL)
+ return NULL;
+ return ASN1_item_unpack(t->value.sequence, it);
+}