diff --git a/src/algo/encrypt-params.cpp b/src/algo/encrypt-params.cpp
new file mode 100644
index 0000000..296cb22
--- /dev/null
+++ b/src/algo/encrypt-params.cpp
@@ -0,0 +1,76 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2015,  Regents of the University of California
+ *
+ * This file is part of gep (Group-based Encryption Protocol for NDN).
+ * See AUTHORS.md for complete list of gep authors and contributors.
+ *
+ * gep is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * gep 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * gep, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "random-number-generator.hpp"
+#include "encrypt-params.hpp"
+
+namespace ndn {
+namespace gep {
+namespace algo {
+
+EncryptParams::EncryptParams(EncryptionMode encryptMode, PaddingScheme paddingScheme, uint8_t ivLength = 0)
+  : m_encryptMode(encryptMode)
+  , m_paddingScheme(paddingScheme)
+{
+  if (ivLength != 0){
+    RandomNumberGenerator rng;
+    m_iv.resize(ivLength);
+    rng.GenerateBlock(m_iv.buf(), m_iv.size());
+  }
+}
+
+void
+EncryptParams::setIV(const Buffer& iv)
+{
+  m_iv = iv;
+}
+
+void
+EncryptParams::setEncryptMode(const EncryptionMode& encryptMode)
+{
+  m_encryptMode = encryptMode;
+}
+
+void
+EncryptParams::setPaddingScheme(const PaddingScheme& paddingScheme)
+{
+  m_paddingScheme = paddingScheme;
+}
+
+Buffer
+EncryptParams::getIV() const
+{
+  return m_iv;
+}
+
+EncryptionMode
+EncryptParams::getEncryptMode() const
+{
+  return m_encryptMode;
+}
+
+PaddingScheme
+EncryptParams::getPaddingScheme() const
+{
+  return m_paddingScheme;
+}
+
+} // namespace algo
+} // namespace gep
+} // namespace ndn
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