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, 25 insertions, 0 deletions

diff --git a/crypto/sha2.cc b/crypto/sha2.cc
new file mode 100644
index 0000000..7c9b9d2
--- /dev/null
+++ b/crypto/sha2.cc
@@ -0,0 +1,25 @@
+// 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/sha2.h"
+
+#include "base/scoped_ptr.h"
+#include "base/stl_util-inl.h"
+#include "crypto/secure_hash.h"
+
+namespace crypto {
+
+void SHA256HashString(const std::string& str, void* output, size_t len) {
+  scoped_ptr<SecureHash> ctx(SecureHash::Create(SecureHash::SHA256));
+  ctx->Update(str.data(), str.length());
+  ctx->Finish(output, len);
+}
+
+std::string SHA256HashString(const std::string& str) {
+  std::string output(SHA256_LENGTH, 0);
+  SHA256HashString(str, string_as_array(&output), output.size());
+  return output;
+}
+
+}  // namespace crypto