ccp_get_dm_area
ccp_get_dm_area(&ctx, dm_offset, aes->iv, 0, aes->iv_len);
ccp_get_dm_area(&ctx, dm_offset, xts->iv, 0, xts->iv_len);
ccp_get_dm_area(&ctx, dm_offset, des3->iv, 0,
ccp_get_dm_area(&ctx, ooffset,
ccp_get_dm_area(&ctx, 0,
ccp_get_dm_area(&ctx, LSB_ITEM_SIZE + ooffset,
ccp_get_dm_area(&ctx, 0, sha->ctx, 0,
ccp_get_dm_area(wa, wa_offset, sg, sg_offset, len);
ccp_get_dm_area(&ctx, dm_offset, aes->iv, 0, aes->iv_len);
ccp_get_dm_area(&wa->final, 0, p_tag, 0, authsize);