ccp_reverse_set_dm_area
ret = ccp_reverse_set_dm_area(&exp, 0, rsa->exp, 0, rsa->exp_len);
ret = ccp_reverse_set_dm_area(&src, 0, rsa->mod, 0, rsa->mod_len);
ret = ccp_reverse_set_dm_area(&src, o_len, rsa->src, 0, rsa->src_len);
ret = ccp_reverse_set_dm_area(&src, 0, ecc->mod, 0, ecc->mod_len);
ret = ccp_reverse_set_dm_area(&src, 0, ecc->u.mm.operand_1, 0,
ret = ccp_reverse_set_dm_area(&src, 0, ecc->u.mm.operand_2, 0,
ret = ccp_reverse_set_dm_area(&src, 0, ecc->mod, 0, ecc->mod_len);
ret = ccp_reverse_set_dm_area(&src, 0, ecc->u.pm.point_1.x, 0,
ret = ccp_reverse_set_dm_area(&src, 0, ecc->u.pm.point_1.y, 0,
ret = ccp_reverse_set_dm_area(&src, 0, ecc->u.pm.point_2.x, 0,
ret = ccp_reverse_set_dm_area(&src, 0, ecc->u.pm.point_2.y, 0,
ret = ccp_reverse_set_dm_area(&src, 0, ecc->u.pm.domain_a, 0,
ret = ccp_reverse_set_dm_area(&src, 0,