1 files changed, 81 insertions, 0 deletions
diff --git a/src/crypto/poly1305/poly1305_test.cc b/src/crypto/poly1305/poly1305_test.cc
new file mode 100644
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+++ b/src/crypto/poly1305/poly1305_test.cc
@@ -0,0 +1,81 @@
+/* Copyright (c) 2015, Google Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
+
+#include <stdio.h>
+#include <string.h>
+
+#include <vector>
+
+#include <openssl/crypto.h>
+#include <openssl/poly1305.h>
+
+#include "../test/file_test.h"
+#include "../test/stl_compat.h"
+
+
+// |CRYPTO_poly1305_finish| requires a 16-byte-aligned output.
+#if defined(OPENSSL_WINDOWS)
+// MSVC doesn't support C++11 |alignas|.
+#define ALIGNED __declspec(align(16))
+#else
+#define ALIGNED alignas(16)
+#endif
+
+static bool TestPoly1305(FileTest *t, void *arg) {
+  std::vector<uint8_t> key, in, mac;
+  if (!t->GetBytes(&key, "Key") ||
+      !t->GetBytes(&in, "Input") ||
+      !t->GetBytes(&mac, "MAC")) {
+    return false;
+  }
+  if (key.size() != 32 || mac.size() != 16) {
+    t->PrintLine("Invalid test");
+    return false;
+  }
+
+  // Test single-shot operation.
+  poly1305_state state;
+  CRYPTO_poly1305_init(&state, bssl::vector_data(&key));
+  CRYPTO_poly1305_update(&state, bssl::vector_data(&in), in.size());
+  ALIGNED uint8_t out[16];
+  CRYPTO_poly1305_finish(&state, out);
+  if (!t->ExpectBytesEqual(out, 16, bssl::vector_data(&mac), mac.size())) {
+    t->PrintLine("Single-shot Poly1305 failed.");
+    return false;
+  }
+
+  // Test streaming byte-by-byte.
+  CRYPTO_poly1305_init(&state, bssl::vector_data(&key));
+  for (size_t i = 0; i < in.size(); i++) {
+    CRYPTO_poly1305_update(&state, &in[i], 1);
+  }
+  CRYPTO_poly1305_finish(&state, out);
+  if (!t->ExpectBytesEqual(out, 16, bssl::vector_data(&mac), mac.size())) {
+    t->PrintLine("Streaming Poly1305 failed.");
+    return false;
+  }
+
+  return true;
+}
+
+int main(int argc, char **argv) {
+  CRYPTO_library_init();
+
+  if (argc != 2) {
+    fprintf(stderr, "%s <test file>\n", argv[0]);
+    return 1;
+  }
+
+  return FileTestMain(TestPoly1305, nullptr, argv[1]);
+}