Implement RFC 4122-compliant UUIDs.

[sliver-openvswitch.git] / tests / test-aes128.c

diff --git a/tests/test-aes128.c b/tests/test-aes128.c
new file mode 100644 (file)
index 0000000..8a6c28c
--- /dev/null
+++ b/tests/test-aes128.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2009 Nicira Networks.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <config.h>
+#include <ctype.h>
+#include "aes128.h"
+#include "util.h"
+
+static void
+hex_to_uint8(const char *input, uint8_t *output, size_t n)
+{
+    size_t i;
+
+    if (strlen(input) != n * 2) {
+        goto error;
+    }
+    for (i = 0; i < n; i++) {
+        unsigned char hi = input[i * 2];
+        unsigned char lo = input[i * 2 + 1];
+
+        if (!isxdigit(hi) || !isxdigit(lo)) {
+            goto error;
+        }
+        output[i] = (hexit_value(hi) << 4) + hexit_value(lo);
+    }
+    return;
+
+error:
+    ovs_fatal(0, "\"%s\" is not exactly %zu hex digits", input, n * 2);
+}
+
+int
+main(int argc, char *argv[])
+{
+    struct aes128 aes;
+    uint8_t plaintext[16];
+    uint8_t ciphertext[16];
+    uint8_t key[16];
+    size_t i;
+
+    if (argc != 3) {
+        ovs_fatal(0, "usage: %s KEY PLAINTEXT, where KEY and PLAINTEXT each "
+                  "consist of 32 hex digits", argv[0]);
+    }
+
+    hex_to_uint8(argv[1], key, 16);
+    hex_to_uint8(argv[2], plaintext, 16);
+
+    aes128_schedule(&aes, key);
+    aes128_encrypt(&aes, plaintext, ciphertext);
+    for (i = 0; i < 16; i++) {
+        printf("%02x", ciphertext[i]);
+    }
+    putchar('\n');
+
+    return 0;
+}