318 static inline uint8_t *encode_tag_length(uint8_t *buf, uint8_t tag,  in encode_tag_length()  argument
321 	*buf++ = tag;  in encode_tag_length()
324 		buf[0] = len;  in encode_tag_length()
325 		return buf + 1;  in encode_tag_length()
329 		buf[0] = 0x81;  in encode_tag_length()
330 		buf[1] = len;  in encode_tag_length()
331 		return buf + 2;  in encode_tag_length()
334 	buf[0] = 0x82;  in encode_tag_length()
335 	put_unaligned_be16(len, buf + 1);  in encode_tag_length()
336 	return buf + 3;  in encode_tag_length()
339 static uint32_t derive_pub_key(const void *pub_key, uint32_t len, uint8_t *buf)  in derive_pub_key()  argument
341 	uint8_t *cur = buf;  in derive_pub_key()
359 	return cur - buf;  in derive_pub_key()