diff --git a/src/detail/ca-profile.hpp b/src/detail/ca-profile.hpp
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+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2017-2020, Regents of the University of California.
+ *
+ * This file is part of ndncert, a certificate management system based on NDN.
+ *
+ * ndncert 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.
+ *
+ * ndncert 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 copies of the GNU General Public License along with
+ * ndncert, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndncert authors and contributors.
+ */
+
+#ifndef NDNCERT_DETAIL_CA_PROFILE_HPP
+#define NDNCERT_DETAIL_CA_PROFILE_HPP
+
+#include "name-assignment/assignment-func.hpp"
+
+namespace ndn {
+namespace ndncert {
+
+// used in parsing CA configuration file and Client CA profile storage file
+const std::string CONFIG_CA_PREFIX = "ca-prefix";
+const std::string CONFIG_CA_INFO = "ca-info";
+const std::string CONFIG_MAX_VALIDITY_PERIOD = "max-validity-period";
+const std::string CONFIG_MAX_SUFFIX_LENGTH = "max-suffix-length";
+const std::string CONFIG_PROBE_PARAMETERS = "probe-parameters";
+const std::string CONFIG_PROBE_PARAMETER = "probe-parameter-key";
+const std::string CONFIG_SUPPORTED_CHALLENGES = "supported-challenges";
+const std::string CONFIG_CHALLENGE = "challenge";
+const std::string CONFIG_CERTIFICATE = "certificate";
+const std::string CONFIG_REDIRECTION = "redirect-to";
+const std::string CONFIG_NAME_ASSIGNMENT = "name-assignment";
+
+struct CaProfile
+{
+public:
+  /**
+   * Parse the configuration json and modify current struct to the result.
+   * @param configJson the configuration json to parse
+   */
+  void
+  parse(const JsonSection& configJson);
+
+  /**
+   * @return the JSON representation of this profile.
+   */
+  JsonSection
+  toJson() const;
+
+public:
+  /**
+   * CA Name prefix (without /CA suffix).
+   */
+  Name m_caPrefix;
+  /**
+   * CA Information.
+   * Default: "".
+   */
+  std::string m_caInfo;
+  /**
+   * A list of parameter-keys for PROBE.
+   * Default: empty list.
+   */
+  std::list<std::string> m_probeParameterKeys;
+  /**
+   * Maximum allowed validity period of the certificate being requested.
+   * The value is in the unit of second.
+   * Default: one day (86400 seconds).
+   */
+  time::seconds m_maxValidityPeriod;
+  /**
+   * Maximum allowed suffix length of requested name.
+   * E.g., When its value is 2, at most 2 name components can be assigned after m_caPrefix.
+   * Default: none.
+   */
+  optional<size_t> m_maxSuffixLength = nullopt;
+  /**
+   * A list of supported challenges. Only CA side will have m_supportedChallenges.
+   * Default: empty list.
+   */
+  std::list<std::string> m_supportedChallenges;
+  /**
+   * CA's certificate. Only Client side will have m_cert.
+   * Default: nullptr.
+   */
+  std::shared_ptr<security::Certificate> m_cert;
+};
+
+} // namespace ndncert
+} // namespace ndn
+
+#endif // NDNCERT_DETAIL_CA_PROFILE_HPP