Move crypto files out of base, to a top level directory.

src/crypto is now an independent project that contains our
cryptographic primitives (except md5 and sha1).

This removes the base dependency from nss, openssl and sqlite.

BUG=76996
TEST=none
Review URL: http://codereview.chromium.org/6805019

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@81611 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 60 insertions, 0 deletions

diff --git a/crypto/signature_creator_win.cc b/crypto/signature_creator_win.cc
new file mode 100644
index 0000000..244b06a
--- /dev/null
+++ b/crypto/signature_creator_win.cc
@@ -0,0 +1,60 @@
+// Copyright (c) 2011 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/signature_creator.h"
+
+#include "base/logging.h"
+#include "base/memory/scoped_ptr.h"
+
+namespace crypto {
+
+// static
+SignatureCreator* SignatureCreator::Create(RSAPrivateKey* key) {
+  scoped_ptr<SignatureCreator> result(new SignatureCreator);
+  result->key_ = key;
+
+  if (!CryptCreateHash(key->provider(), CALG_SHA1, 0, 0,
+                       result->hash_object_.receive())) {
+    NOTREACHED();
+    return NULL;
+  }
+
+  return result.release();
+}
+
+SignatureCreator::SignatureCreator() : hash_object_(0) {}
+
+SignatureCreator::~SignatureCreator() {}
+
+bool SignatureCreator::Update(const uint8* data_part, int data_part_len) {
+  if (!CryptHashData(hash_object_, data_part, data_part_len, 0)) {
+    NOTREACHED();
+    return false;
+  }
+
+  return true;
+}
+
+bool SignatureCreator::Final(std::vector<uint8>* signature) {
+  DWORD signature_length = 0;
+  if (!CryptSignHash(hash_object_, AT_SIGNATURE, NULL, 0, NULL,
+                     &signature_length)) {
+    return false;
+  }
+
+  std::vector<uint8> temp;
+  temp.resize(signature_length);
+  if (!CryptSignHash(hash_object_, AT_SIGNATURE, NULL, 0, &temp.front(),
+                     &signature_length)) {
+    return false;
+  }
+
+  temp.resize(signature_length);
+  for (size_t i = temp.size(); i > 0; --i)
+    signature->push_back(temp[i - 1]);
+
+  return true;
+}
+
+}  // namespace crypto