24 asn1_encode_integer(unsigned char *data, const unsigned char *end_data,  in asn1_encode_integer()  argument
27 	int data_len = end_data - data;  in asn1_encode_integer()
28 	unsigned char *d = &data[2];  in asn1_encode_integer()
36 	if (IS_ERR(data))  in asn1_encode_integer()
37 		return data;  in asn1_encode_integer()
46 	data[0] = _tag(UNIV, PRIM, INT);  in asn1_encode_integer()
82 	data[1] = d - data - 2;  in asn1_encode_integer()
91 	unsigned char *data = *_data;  in asn1_encode_oid_digit()  local
100 		*data++ = 0x80;  in asn1_encode_oid_digit()
115 		*data++ = byte;  in asn1_encode_oid_digit()
120 		*data++ = oid;  in asn1_encode_oid_digit()
127 	*_data = data;  in asn1_encode_oid_digit()
141 asn1_encode_oid(unsigned char *data, const unsigned char *end_data,  in asn1_encode_oid()  argument
144 	int data_len = end_data - data;  in asn1_encode_oid()
145 	unsigned char *d = data + 2;  in asn1_encode_oid()
154 	if (IS_ERR(data))  in asn1_encode_oid()
155 		return data;  in asn1_encode_oid()
162 	data[0] = _tag(UNIV, PRIM, OID);  in asn1_encode_oid()
175 	data[1] = d - data - 2;  in asn1_encode_oid()
193 static int asn1_encode_length(unsigned char **data, int *data_len, int len)  in asn1_encode_length()  argument
199 		*((*data)++) = 0;  in asn1_encode_length()
205 		*((*data)++) = len;  in asn1_encode_length()
214 		*((*data)++) = 0x81;  in asn1_encode_length()
215 		*((*data)++) = len & 0xff;  in asn1_encode_length()
224 		*((*data)++) = 0x82;  in asn1_encode_length()
225 		*((*data)++) = (len >> 8) & 0xff;  in asn1_encode_length()
226 		*((*data)++) = len & 0xff;  in asn1_encode_length()
236 	*((*data)++) = 0x83;  in asn1_encode_length()
237 	*((*data)++) = (len >> 16) & 0xff;  in asn1_encode_length()
238 	*((*data)++) = (len >> 8) & 0xff;  in asn1_encode_length()
239 	*((*data)++) = len & 0xff;  in asn1_encode_length()
272 asn1_encode_tag(unsigned char *data, const unsigned char *end_data,  in asn1_encode_tag()  argument
275 	int data_len = end_data - data;  in asn1_encode_tag()
285 	if (IS_ERR(data))  in asn1_encode_tag()
286 		return data;  in asn1_encode_tag()
294 		data -= 2;  in asn1_encode_tag()
301 	*(data++) = _tagn(CONT, CONS, tag);  in asn1_encode_tag()
303 	ret = asn1_encode_length(&data, &data_len, len);  in asn1_encode_tag()
308 		return data;  in asn1_encode_tag()
313 	memcpy(data, string, len);  in asn1_encode_tag()
314 	data += len;  in asn1_encode_tag()
316 	return data;  in asn1_encode_tag()
330 asn1_encode_octet_string(unsigned char *data,  in asn1_encode_octet_string()  argument
334 	int data_len = end_data - data;  in asn1_encode_octet_string()
337 	if (IS_ERR(data))  in asn1_encode_octet_string()
338 		return data;  in asn1_encode_octet_string()
344 	*(data++) = _tag(UNIV, PRIM, OTS);  in asn1_encode_octet_string()
347 	ret = asn1_encode_length(&data, &data_len, len);  in asn1_encode_octet_string()
354 	memcpy(data, string, len);  in asn1_encode_octet_string()
355 	data += len;  in asn1_encode_octet_string()
357 	return data;  in asn1_encode_octet_string()
375 asn1_encode_sequence(unsigned char *data, const unsigned char *end_data,  in asn1_encode_sequence()  argument
378 	int data_len = end_data - data;  in asn1_encode_sequence()
385 	if (IS_ERR(data))  in asn1_encode_sequence()
386 		return data;  in asn1_encode_sequence()
394 		data -= 2;  in asn1_encode_sequence()
401 	*(data++) = _tag(UNIV, CONS, SEQ);  in asn1_encode_sequence()
404 	ret = asn1_encode_length(&data, &data_len, len);  in asn1_encode_sequence()
409 		return data;  in asn1_encode_sequence()
414 	memcpy(data, seq, len);  in asn1_encode_sequence()
415 	data += len;  in asn1_encode_sequence()
417 	return data;  in asn1_encode_sequence()
428 asn1_encode_boolean(unsigned char *data, const unsigned char *end_data,  in asn1_encode_boolean()  argument
431 	int data_len = end_data - data;  in asn1_encode_boolean()
433 	if (IS_ERR(data))  in asn1_encode_boolean()
434 		return data;  in asn1_encode_boolean()
440 	*(data++) = _tag(UNIV, PRIM, BOOL);  in asn1_encode_boolean()
443 	asn1_encode_length(&data, &data_len, 1);  in asn1_encode_boolean()
446 		*(data++) = 1;  in asn1_encode_boolean()
448 		*(data++) = 0;  in asn1_encode_boolean()
450 	return data;  in asn1_encode_boolean()