191 static int asn1_encode_length(unsigned char **data, int *data_len, int len)  in asn1_encode_length()  argument
196 	if (len < 0) {  in asn1_encode_length()
202 	if (len <= 0x7f) {  in asn1_encode_length()
203 		*((*data)++) = len;  in asn1_encode_length()
211 	if (len <= 0xff) {  in asn1_encode_length()
213 		*((*data)++) = len & 0xff;  in asn1_encode_length()
221 	if (len <= 0xffff) {  in asn1_encode_length()
223 		*((*data)++) = (len >> 8) & 0xff;  in asn1_encode_length()
224 		*((*data)++) = len & 0xff;  in asn1_encode_length()
229 	if (WARN(len > 0xffffff, "ASN.1 length can't be > 0xffffff"))  in asn1_encode_length()
235 	*((*data)++) = (len >> 16) & 0xff;  in asn1_encode_length()
236 	*((*data)++) = (len >> 8) & 0xff;  in asn1_encode_length()
237 	*((*data)++) = len & 0xff;  in asn1_encode_length()
271 		u32 tag, const unsigned char *string, int len)  in asn1_encode_tag()  argument
279 	if (!string && WARN(len > 127,  in asn1_encode_tag()
286 	if (!string && len > 0) {  in asn1_encode_tag()
301 	ret = asn1_encode_length(&data, &data_len, len);  in asn1_encode_tag()
308 	if (data_len < len)  in asn1_encode_tag()
311 	memcpy(data, string, len);  in asn1_encode_tag()
312 	data += len;  in asn1_encode_tag()
330 			 const unsigned char *string, u32 len)  in asn1_encode_octet_string()  argument
345 	ret = asn1_encode_length(&data, &data_len, len);  in asn1_encode_octet_string()
349 	if (data_len < len)  in asn1_encode_octet_string()
352 	memcpy(data, string, len);  in asn1_encode_octet_string()
353 	data += len;  in asn1_encode_octet_string()
374 		     const unsigned char *seq, int len)  in asn1_encode_sequence()  argument
379 	if (!seq && WARN(len > 127,  in asn1_encode_sequence()
386 	if (!seq && len >= 0) {  in asn1_encode_sequence()
402 	ret = asn1_encode_length(&data, &data_len, len);  in asn1_encode_sequence()
409 	if (data_len < len)  in asn1_encode_sequence()
412 	memcpy(data, seq, len);  in asn1_encode_sequence()
413 	data += len;  in asn1_encode_sequence()