Function decrypt_encrypted_data

common/blindedpath.c:200–218

}

struct tlv_encrypted_data_tlv *decrypt_encrypted_data(const tal_t *ctx,
						      const struct secret *ss,
						      const u8 *enctlv)
{
	const u8 *cursor = decrypt_encmsg_raw(tmpctx, ss, enctlv);
	size_t maxlen = tal_bytelen(cursor);

	/* BOLT #4:
	 * - If the `encrypted_recipient_data` field is missing, cannot be
         *   decrypted into an `encrypted_data_tlv` or contains unknown even
         *   fields:
	 *    - MUST return an error
	 */
	/* Note: our parser consider nothing is a valid TLV, but decrypt_encmsg_raw
	 * returns NULL if it couldn't decrypt. */
	if (!cursor)
		return NULL;
	return fromwire_tlv_encrypted_data_tlv(ctx, &cursor, &maxlen);
}

bool blindedpath_get_alias(const struct secret *ss,
			   const struct pubkey *my_id,