428     if (*buf->b_p_key != NUL)  in ml_set_mfp_crypt()
450     if (*buf->b_p_key == NUL)  in ml_set_b0_crypt()
497     if (crypt_get_method_nr(buf) == CRYPT_M_SOD && *buf->b_p_key != NUL)  in ml_set_crypt_key()
507 	char_u *new_key = buf->b_p_key;  in ml_set_crypt_key()
510 	buf->b_p_key = old_key;  in ml_set_crypt_key()
513 	buf->b_p_key = new_key;  in ml_set_crypt_key()
1086     if (*buf->b_p_key != NUL)  in add_b0_fenc()
1255     buf->b_p_key = empty_option;  in ml_recover()
1456 	if (*curbuf->b_p_key != NUL)  in ml_recover()
1466 	buf->b_p_key = crypt_get_key(FALSE, FALSE);  in ml_recover()
1467 	if (buf->b_p_key == NULL)  in ml_recover()
1468 	    buf->b_p_key = curbuf->b_p_key;  in ml_recover()
1469 	else if (*buf->b_p_key == NUL)  in ml_recover()
1471 	    vim_free(buf->b_p_key);  in ml_recover()
1472 	    buf->b_p_key = curbuf->b_p_key;  in ml_recover()
1474 	if (buf->b_p_key == NULL)  in ml_recover()
1475 	    buf->b_p_key = empty_option;  in ml_recover()
1758     if (*buf->b_p_key != NUL && STRCMP(curbuf->b_p_key, buf->b_p_key) != 0)  in ml_recover()
1761 	set_option_value((char_u *)"key", 0L, buf->b_p_key, OPT_LOCAL);  in ml_recover()
1778 	if (buf->b_p_key != curbuf->b_p_key)  in ml_recover()
1779 	    free_string_option(buf->b_p_key);  in ml_recover()
5447 	key = buf->b_p_key;  in ml_crypt_prepare()