Reland "Cut down /crypto and switch what is left of it to boringssl".

crypto/curve25519_unittest.cc

-// Copyright (c) 2013 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "crypto/curve25519.h"
-
-#include <string>
-
-#include "crypto/random.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-namespace crypto {
-
-// Test that the basic shared key exchange identity holds: that both parties end
-// up with the same shared key. This test starts with a fixed private key for
-// two parties: alice and bob. Runs ScalarBaseMult and ScalarMult to compute
-// public key and shared key for alice and bob. It asserts that alice and bob
-// have the same shared key.
-TEST(Curve25519, SharedKeyIdentity) {
-  uint8 alice_private_key[curve25519::kScalarBytes] = {3};
-  uint8 bob_private_key[curve25519::kScalarBytes] = {5};
-
-  // Get public key for alice and bob.
-  uint8 alice_public_key[curve25519::kBytes];
-  curve25519::ScalarBaseMult(alice_private_key, alice_public_key);
-
-  uint8 bob_public_key[curve25519::kBytes];
-  curve25519::ScalarBaseMult(bob_private_key, bob_public_key);
-
-  // Get the shared key for alice, by using alice's private key and bob's
-  // public key.
-  uint8 alice_shared_key[curve25519::kBytes];
-  curve25519::ScalarMult(alice_private_key, bob_public_key, alice_shared_key);
-
-  // Get the shared key for bob, by using bob's private key and alice's public
-  // key.
-  uint8 bob_shared_key[curve25519::kBytes];
-  curve25519::ScalarMult(bob_private_key, alice_public_key, bob_shared_key);
-
-  // Computed shared key of alice and bob should be the same.
-  ASSERT_EQ(0, memcmp(alice_shared_key, bob_shared_key, curve25519::kBytes));
-}
-
-}  // namespace crypto