diff --git a/src/s1ap/asn1c/asnGenFiles/OBJECT_IDENTIFIER.h b/src/s1ap/asn1c/asnGenFiles/OBJECT_IDENTIFIER.h
new file mode 100644
index 0000000..087c6fd
--- /dev/null
+++ b/src/s1ap/asn1c/asnGenFiles/OBJECT_IDENTIFIER.h
@@ -0,0 +1,156 @@
+/*
+ * Copyright (c) 2003-2017 Lev Walkin <vlm@lionet.info>. All rights reserved.
+ * Redistribution and modifications are permitted subject to BSD license.
+ */
+#ifndef	_OBJECT_IDENTIFIER_H_
+#define	_OBJECT_IDENTIFIER_H_
+
+#include <asn_application.h>
+#include <asn_codecs_prim.h>
+#include <OCTET_STRING.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef uint32_t asn_oid_arc_t;
+#define ASN_OID_ARC_MAX (~((asn_oid_arc_t)0))
+
+typedef ASN__PRIMITIVE_TYPE_t OBJECT_IDENTIFIER_t;
+
+extern asn_TYPE_descriptor_t asn_DEF_OBJECT_IDENTIFIER;
+extern asn_TYPE_operation_t asn_OP_OBJECT_IDENTIFIER;
+
+asn_struct_print_f OBJECT_IDENTIFIER_print;
+asn_constr_check_f OBJECT_IDENTIFIER_constraint;
+der_type_encoder_f OBJECT_IDENTIFIER_encode_der;
+xer_type_decoder_f OBJECT_IDENTIFIER_decode_xer;
+xer_type_encoder_f OBJECT_IDENTIFIER_encode_xer;
+asn_random_fill_f  OBJECT_IDENTIFIER_random_fill;
+
+#define OBJECT_IDENTIFIER_free           ASN__PRIMITIVE_TYPE_free
+#define OBJECT_IDENTIFIER_compare        OCTET_STRING_compare
+#define OBJECT_IDENTIFIER_decode_ber     ber_decode_primitive
+#define OBJECT_IDENTIFIER_encode_der     der_encode_primitive
+#define OBJECT_IDENTIFIER_decode_oer     oer_decode_primitive
+#define OBJECT_IDENTIFIER_encode_oer     oer_encode_primitive
+#define OBJECT_IDENTIFIER_decode_uper    OCTET_STRING_decode_uper
+#define OBJECT_IDENTIFIER_encode_uper    OCTET_STRING_encode_uper
+#define OBJECT_IDENTIFIER_decode_aper    OCTET_STRING_decode_aper
+#define OBJECT_IDENTIFIER_encode_aper    OCTET_STRING_encode_aper
+
+/**********************************
+ * Some handy conversion routines *
+ **********************************/
+
+/*
+ * This function fills an (arcs) array with OBJECT IDENTIFIER arcs
+ * up to specified (arc_slots) elements.
+ *
+ * EXAMPLE:
+ * 	void print_arcs(OBJECT_IDENTIFIER_t *oid) {
+ * 		asn_oid_arc_t fixed_arcs[10];	// Try with fixed space first
+ * 		asn_oid_arc_t *arcs = fixed_arcs;
+ * 		size_t arc_slots = sizeof(fixed_arcs)/sizeof(fixed_arcs[0]); // 10
+ * 		ssize_t count;	// Real number of arcs.
+ * 		int i;
+ *
+ * 		count = OBJECT_IDENTIFIER_get_arcs(oid, arcs, arc_slots);
+ * 		// If necessary, reallocate arcs array and try again.
+ * 		if(count > arc_slots) {
+ * 			arc_slots = count;
+ * 			arcs = malloc(sizeof(asn_oid_arc_t) * arc_slots);
+ * 			if(!arcs) return;
+ * 			count = OBJECT_IDENTIFIER_get_arcs(oid, arcs, arc_slots);
+ * 			assert(count == arc_slots);
+ * 		}
+ *
+ * 		// Print the contents of the arcs array.
+ * 		for(i = 0; i < count; i++)
+ * 			printf("%"PRIu32"\n", arcs[i]);
+ *
+ * 		// Avoid memory leak.
+ * 		if(arcs != fixed_arcs) free(arcs);
+ * 	}
+ *
+ * RETURN VALUES:
+ * -1/EINVAL:	Invalid arguments (oid is missing)
+ * -1/ERANGE:	One or more arcs have value out of array cell type range.
+ * >=0:		Number of arcs contained in the OBJECT IDENTIFIER
+ *
+ * WARNING: The function always returns the actual number of arcs,
+ * even if there is no sufficient (arc_slots) provided.
+ */
+ssize_t OBJECT_IDENTIFIER_get_arcs(const OBJECT_IDENTIFIER_t *oid,
+                                   asn_oid_arc_t *arcs, size_t arc_slots);
+
+/*
+ * This functions initializes the OBJECT IDENTIFIER object with
+ * the given set of arcs.
+ * The minimum of two arcs must be present; some restrictions apply.
+ * RETURN VALUES:
+ * -1/EINVAL:	Invalid arguments
+ * -1/ERANGE:	The first two arcs do not conform to ASN.1 restrictions.
+ * -1/ENOMEM:	Memory allocation failed
+ * 0:		The object was initialized with new arcs.
+ */
+int OBJECT_IDENTIFIER_set_arcs(OBJECT_IDENTIFIER_t *oid,
+                               const asn_oid_arc_t *arcs, size_t arcs_count);
+
+
+/*
+ * Parse the OBJECT IDENTIFIER textual representation ("1.3.6.1.4.1.9363").
+ * No arc can exceed the (0..ASN_OID_ARC_MAX, which is the same as UINT32_MAX).
+ * This function is not specific to OBJECT IDENTIFIER, it may be used to parse
+ * the RELATIVE-OID data, or any other data consisting of dot-separated
+ * series of numeric values.
+ *
+ * If (oid_txt_length == -1), the strlen() will be invoked to determine the
+ * size of the (oid_text) string.
+ * 
+ * After return, the optional (opt_oid_text_end) is set to the character after
+ * the last parsed one. (opt_oid_text_end) is never less than (oid_text).
+ * 
+ * RETURN VALUES:
+ *   -1:	Parse error.
+ * >= 0:	Number of arcs contained in the OBJECT IDENTIFIER.
+ * 
+ * WARNING: The function always returns the real number of arcs,
+ * even if there is no sufficient (arc_slots) provided.
+ * This is useful for (arc_slots) value estimation.
+ */
+ssize_t OBJECT_IDENTIFIER_parse_arcs(const char *oid_text,
+                                     ssize_t oid_txt_length,
+                                     asn_oid_arc_t *arcs, size_t arcs_count,
+                                     const char **opt_oid_text_end);
+
+/*
+ * Internal functions.
+ * Used by RELATIVE-OID implementation in particular.
+ */
+
+/*
+ * Retrieve a single arc of size from the (arcbuf) buffer.
+ * RETURN VALUES:
+ *  -1: Failed to retrieve the value from the (arcbuf).
+ *  >0: Number of bytes consumed from the (arcbuf), <= (arcbuf_len).
+ */
+ssize_t OBJECT_IDENTIFIER_get_single_arc(const uint8_t *arcbuf,
+                                         size_t arcbuf_len,
+                                         asn_oid_arc_t *ret_value);
+
+/*
+ * Write the unterminated arc value into the (arcbuf) which has the size at
+ * least (arcbuf_len).
+ * RETURN VALUES:
+ *   -1: (arcbuf_len) size is not sufficient to write the value.
+ *  <n>: Number of bytes appended to the arcbuf (<= arcbuf_len).
+ */
+ssize_t OBJECT_IDENTIFIER_set_single_arc(uint8_t *arcbuf, size_t arcbuf_len,
+                                         asn_oid_arc_t arc_value);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif	/* _OBJECT_IDENTIFIER_H_ */