aria_diff_word
aria_diff_word(&ctx->dec_key[i][0], &ctx->dec_key[i][1],
aria_diff_word(&ctx->dec_key[i][0], &ctx->dec_key[i][1],
aria_diff_word(t0, t1, t2, t3);
aria_diff_word(t0, t1, t2, t3);
aria_diff_word(t0, t1, t2, t3);
aria_diff_word(t0, t1, t2, t3);