Export provisioning sdk

Change-Id: I4d47d80444c9507f84896767dc676112ca11e901

common/sha_util.cc

@@ -0,0 +1,29 @@
+////////////////////////////////////////////////////////////////////////////////
+// Copyright 2016 Google Inc.
+//
+// This software is licensed under the terms defined in the Widevine Master
+// License Agreement. For a copy of this agreement, please contact
+// widevine-licensing@google.com.
+////////////////////////////////////////////////////////////////////////////////
+
+#include "common/sha_util.h"
+
+#include "openssl/sha.h"
+
+namespace widevine {
+
+std::string Sha1_Hash(const std::string& message) {
+  return std::string(reinterpret_cast<char*>(
+                    SHA1(reinterpret_cast<const uint8_t*>(message.data()),
+                         message.size(), nullptr)),
+                SHA_DIGEST_LENGTH);
+}
+
+std::string Sha256_Hash(const std::string& message) {
+  return std::string(reinterpret_cast<char*>(
+                    SHA256(reinterpret_cast<const uint8_t*>(message.data()),
+                           message.size(), nullptr)),
+                SHA256_DIGEST_LENGTH);
+}
+
+}  // namespace widevine