+static int test_idea_cbc(void)
+{
+ IDEA_KEY_SCHEDULE key, dkey;
+ unsigned char iv[IDEA_BLOCK];
+ const size_t text_len = sizeof(text);
+
+ IDEA_set_encrypt_key(k, &key);
+ IDEA_set_decrypt_key(&key, &dkey);
+ memcpy(iv, k, sizeof(iv));
+ IDEA_cbc_encrypt(text, out, text_len, &key, iv, 1);
+ memcpy(iv, k, sizeof(iv));
+ IDEA_cbc_encrypt(out, out, IDEA_BLOCK, &dkey, iv, 0);
+ IDEA_cbc_encrypt(&out[8], &out[8], text_len - 8, &dkey, iv, 0);
+ return TEST_mem_eq(text, text_len, out, text_len);
+}
+
+static int test_idea_cfb64(void)