security: Add KeyParams to support multiple types of keys.
Different types of keys may require different size options and default key size.
This commit also fixes the undefined behavior when processing the password of TPM.
Change-Id: I8fb95f28468be8299002f0d5146a4496ea1da25f
Refs: #1660
Refs: #1693
diff --git a/src/security/key-params.cpp b/src/security/key-params.cpp
new file mode 100644
index 0000000..7ee2e1e
--- /dev/null
+++ b/src/security/key-params.cpp
@@ -0,0 +1,83 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2014 Regents of the University of California.
+ *
+ * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ *
+ * ndn-cxx library is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
+ *
+ * You should have received copies of the GNU General Public License and GNU Lesser
+ * General Public License along with ndn-cxx, e.g., in COPYING.md file. If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ */
+
+#include "key-params.hpp"
+
+namespace ndn {
+
+static const uint32_t RSA_KEY_SIZES[] = {2048, 1024};
+static const uint32_t ECDSA_KEY_SIZES[] = {256, 384};
+static const uint32_t AES_KEY_SIZES[] = {64, 128, 256};
+
+uint32_t
+RsaKeyParamsInfo::checkKeySize(uint32_t size)
+{
+ for (size_t i = 0; i < (sizeof(RSA_KEY_SIZES) / sizeof(uint32_t)); i++)
+ {
+ if (RSA_KEY_SIZES[i] == size)
+ return size;
+ }
+ return getDefaultSize();
+}
+
+uint32_t
+RsaKeyParamsInfo::getDefaultSize()
+{
+ return RSA_KEY_SIZES[0];
+}
+
+uint32_t
+EcdsaKeyParamsInfo::checkKeySize(uint32_t size)
+{
+
+ for (size_t i = 0; i < (sizeof(ECDSA_KEY_SIZES) / sizeof(uint32_t)); i++)
+ {
+ if (ECDSA_KEY_SIZES[i] == size)
+ return size;
+ }
+ return getDefaultSize();
+}
+
+uint32_t
+EcdsaKeyParamsInfo::getDefaultSize()
+{
+ return ECDSA_KEY_SIZES[0];
+}
+
+
+uint32_t
+AesKeyParamsInfo::checkKeySize(uint32_t size)
+{
+ for (size_t i = 0; i < (sizeof(AES_KEY_SIZES) / sizeof(uint32_t)); i++)
+ {
+ if (AES_KEY_SIZES[i] == size)
+ return size;
+ }
+ return getDefaultSize();
+}
+
+uint32_t
+AesKeyParamsInfo::getDefaultSize()
+{
+ return AES_KEY_SIZES[0];
+}
+
+} // namespace ndn