security: Reorganizing source code to prepare for support of two version of NDN certificates

This commit also removes unused ndn_digestSha256 function and deprecates
crypto::sha256 in favor of crypto::computeSha256Digest in util/crypto.hpp.

Change-Id: I24ee50ff073a96b868633bdf2cfade412d3605f3
Refs: #3098
diff --git a/tests/unit-tests/security/v1/certificate.t.cpp b/tests/unit-tests/security/v1/certificate.t.cpp
new file mode 100644
index 0000000..043a1fb
--- /dev/null
+++ b/tests/unit-tests/security/v1/certificate.t.cpp
@@ -0,0 +1,389 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2016 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 "security/v1/certificate.hpp"
+#include "security/v1/public-key.hpp"
+
+#include "security/key-chain.hpp"
+
+#include "security/v1/cryptopp.hpp"
+
+#include "boost-test.hpp"
+
+namespace ndn {
+namespace security {
+namespace v1 {
+namespace tests {
+
+BOOST_AUTO_TEST_SUITE(Security)
+BOOST_AUTO_TEST_SUITE(V1)
+BOOST_AUTO_TEST_SUITE(TestCertificate)
+
+using namespace CryptoPP;
+
+const uint8_t PUBLIC_KEY[] = {
+  0x30, 0x81, 0x9d, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01,
+  0x01, 0x05, 0x00, 0x03, 0x81, 0x8b, 0x00, 0x30, 0x81, 0x87, 0x02, 0x81, 0x81, 0x00, 0x9e,
+  0x06, 0x3e, 0x47, 0x85, 0xb2, 0x34, 0x37, 0xaa, 0x85, 0x47, 0xac, 0x03, 0x24, 0x83, 0xb5,
+  0x9c, 0xa8, 0x05, 0x3a, 0x24, 0x1e, 0xeb, 0x89, 0x01, 0xbb, 0xe9, 0x9b, 0xb2, 0xc3, 0x22,
+  0xac, 0x68, 0xe3, 0xf0, 0x6c, 0x02, 0xce, 0x68, 0xa6, 0xc4, 0xd0, 0xa7, 0x06, 0x90, 0x9c,
+  0xaa, 0x1b, 0x08, 0x1d, 0x8b, 0x43, 0x9a, 0x33, 0x67, 0x44, 0x6d, 0x21, 0xa3, 0x1b, 0x88,
+  0x9a, 0x97, 0x5e, 0x59, 0xc4, 0x15, 0x0b, 0xd9, 0x2c, 0xbd, 0x51, 0x07, 0x61, 0x82, 0xad,
+  0xc1, 0xb8, 0xd7, 0xbf, 0x9b, 0xcf, 0x7d, 0x24, 0xc2, 0x63, 0xf3, 0x97, 0x17, 0xeb, 0xfe,
+  0x62, 0x25, 0xba, 0x5b, 0x4d, 0x8a, 0xc2, 0x7a, 0xbd, 0x43, 0x8a, 0x8f, 0xb8, 0xf2, 0xf1,
+  0xc5, 0x6a, 0x30, 0xd3, 0x50, 0x8c, 0xc8, 0x9a, 0xdf, 0xef, 0xed, 0x35, 0xe7, 0x7a, 0x62,
+  0xea, 0x76, 0x7c, 0xbb, 0x08, 0x26, 0xc7, 0x02, 0x01, 0x11
+};
+
+const uint8_t CERT[] = {
+  0x30, 0x81, 0xff, 0x30, 0x22, 0x18, 0x0f, 0x32, 0x30, 0x31, 0x33, 0x31, 0x32, 0x32, 0x36,
+  0x32, 0x33, 0x32, 0x32, 0x35, 0x34, 0x5a, 0x18, 0x0f, 0x32, 0x30, 0x31, 0x33, 0x31, 0x32,
+  0x32, 0x36, 0x32, 0x33, 0x32, 0x32, 0x35, 0x34, 0x5a, 0x30, 0x12, 0x30, 0x10, 0x06, 0x03,
+  0x55, 0x04, 0x29, 0x13, 0x09, 0x54, 0x45, 0x53, 0x54, 0x20, 0x4e, 0x41, 0x4d, 0x45, 0x30,
+  0x81, 0x9d, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01,
+  0x05, 0x00, 0x03, 0x81, 0x8b, 0x00, 0x30, 0x81, 0x87, 0x02, 0x81, 0x81, 0x00, 0x9e, 0x06,
+  0x3e, 0x47, 0x85, 0xb2, 0x34, 0x37, 0xaa, 0x85, 0x47, 0xac, 0x03, 0x24, 0x83, 0xb5, 0x9c,
+  0xa8, 0x05, 0x3a, 0x24, 0x1e, 0xeb, 0x89, 0x01, 0xbb, 0xe9, 0x9b, 0xb2, 0xc3, 0x22, 0xac,
+  0x68, 0xe3, 0xf0, 0x6c, 0x02, 0xce, 0x68, 0xa6, 0xc4, 0xd0, 0xa7, 0x06, 0x90, 0x9c, 0xaa,
+  0x1b, 0x08, 0x1d, 0x8b, 0x43, 0x9a, 0x33, 0x67, 0x44, 0x6d, 0x21, 0xa3, 0x1b, 0x88, 0x9a,
+  0x97, 0x5e, 0x59, 0xc4, 0x15, 0x0b, 0xd9, 0x2c, 0xbd, 0x51, 0x07, 0x61, 0x82, 0xad, 0xc1,
+  0xb8, 0xd7, 0xbf, 0x9b, 0xcf, 0x7d, 0x24, 0xc2, 0x63, 0xf3, 0x97, 0x17, 0xeb, 0xfe, 0x62,
+  0x25, 0xba, 0x5b, 0x4d, 0x8a, 0xc2, 0x7a, 0xbd, 0x43, 0x8a, 0x8f, 0xb8, 0xf2, 0xf1, 0xc5,
+  0x6a, 0x30, 0xd3, 0x50, 0x8c, 0xc8, 0x9a, 0xdf, 0xef, 0xed, 0x35, 0xe7, 0x7a, 0x62, 0xea,
+  0x76, 0x7c, 0xbb, 0x08, 0x26, 0xc7, 0x02, 0x01, 0x11, 0x30, 0x25, 0x30, 0x23, 0x06, 0x06,
+  0x2b, 0x06, 0x01, 0x05, 0x20, 0x01, 0x01, 0x01, 0xff, 0x04, 0x16, 0x30, 0x14, 0x04, 0x0c,
+  0x2f, 0x68, 0x65, 0x6c, 0x6c, 0x6f, 0x2f, 0x6b, 0x69, 0x74, 0x74, 0x79, 0x02, 0x01, 0x00,
+  0x02, 0x01, 0x0a
+};
+
+const std::string CERT_INFO =
+  "Certificate name:\n"
+  "  /\n"
+  "Validity:\n"
+  "  NotBefore: 20131226T232254\n"
+  "  NotAfter: 20131226T232254\n"
+  "Subject Description:\n"
+  "  2.5.4.41: TEST NAME\n"
+  "Public key bits: (RSA)\n"
+  "  MIGdMA0GCSqGSIb3DQEBAQUAA4GLADCBhwKBgQCeBj5HhbI0N6qFR6wDJIO1nKgF\n"
+  "  OiQe64kBu+mbssMirGjj8GwCzmimxNCnBpCcqhsIHYtDmjNnRG0hoxuImpdeWcQV\n"
+  "  C9ksvVEHYYKtwbjXv5vPfSTCY/OXF+v+YiW6W02Kwnq9Q4qPuPLxxWow01CMyJrf\n"
+  "  7+0153pi6nZ8uwgmxwIB\n"
+  "Signature Information:\n"
+  "  Signature Type: Unknown Signature Type\n";
+
+BOOST_AUTO_TEST_CASE(Encode)
+{
+  Certificate certificate;
+
+  // validity
+  // not before 12/26/2013 @ 11:22pm
+  certificate.setNotBefore(time::fromUnixTimestamp(time::milliseconds(1388100174000LL)));
+  // not after 12/26/2013 @ 11:22pm
+  certificate.setNotAfter(time::fromUnixTimestamp(time::milliseconds(1388100174000LL)));
+
+  // subject
+  certificate.addSubjectDescription(CertificateSubjectDescription(oid::ATTRIBUTE_NAME,
+                                                                  "TEST NAME"));
+
+  // publicKeyInfo
+  PublicKey key(PUBLIC_KEY, sizeof(PUBLIC_KEY));
+  certificate.setPublicKeyInfo(key);
+
+  // extensions
+  BOOST_REQUIRE_NO_THROW({
+    std::string extenstionValue;
+    StringSink sink(extenstionValue);
+    DERSequenceEncoder seq(sink);
+    {
+      std::string name("/hello/kitty");
+      DEREncodeOctetString(seq, reinterpret_cast<const uint8_t*>(name.c_str()), name.size());
+      // trustClass
+      DEREncodeUnsigned<uint32_t>(seq, 0);
+      // trustLevel
+      DEREncodeUnsigned<uint32_t>(seq, 10);
+    }
+    seq.MessageEnd();
+
+    //create a randome extension
+    certificate.addExtension(CertificateExtension(Oid("1.3.6.1.5.32.1"), true,
+      reinterpret_cast<const uint8_t*>(extenstionValue.c_str()),
+      extenstionValue.size()));
+  });
+  // RSA::PublicKey p;
+  // StringSource source(T, sizeof(T), true);
+  // p.Load(source);
+
+  BOOST_REQUIRE_NO_THROW(certificate.encode());
+
+  // ofstream of("cert.out");
+  // of.write((const char*certificate.getContent().value(), certificate.getContent().value_size());
+
+  // const Block &wire = i.wireEncode();
+  BOOST_REQUIRE_EQUAL_COLLECTIONS(CERT, CERT+sizeof(CERT),
+                                  certificate.getContent().value_begin(),
+                                  certificate.getContent().value_end());
+
+  std::ostringstream os;
+  os << certificate;
+  std::string info(os.str());
+
+  BOOST_CHECK_EQUAL(CERT_INFO, info);
+}
+
+const unsigned char REAL_CERT[] = {
+  0x30, 0x82, 0x01, 0x63, 0x30, 0x22, 0x18, 0x0f, 0x32, 0x30, 0x31, 0x33, 0x31, 0x31, 0x30,
+  0x31, 0x31, 0x37, 0x31, 0x31, 0x32, 0x32, 0x5a, 0x18, 0x0f, 0x32, 0x30, 0x31, 0x34, 0x31,
+  0x31, 0x30, 0x31, 0x31, 0x37, 0x31, 0x31, 0x32, 0x32, 0x5a, 0x30, 0x19, 0x30, 0x17, 0x06,
+  0x03, 0x55, 0x04, 0x29, 0x13, 0x10, 0x4e, 0x44, 0x4e, 0x20, 0x54, 0x65, 0x73, 0x74, 0x62,
+  0x65, 0x64, 0x20, 0x52, 0x6f, 0x6f, 0x74, 0x30, 0x82, 0x01, 0x20, 0x30, 0x0d, 0x06, 0x09,
+  0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0d,
+  0x00, 0x30, 0x82, 0x01, 0x08, 0x02, 0x82, 0x01, 0x01, 0x00, 0xd3, 0xac, 0x7e, 0x7a, 0x5c,
+  0x33, 0x58, 0x21, 0xda, 0xe0, 0x8d, 0xdb, 0xca, 0xb6, 0x02, 0x30, 0x02, 0x15, 0xc5, 0x0a,
+  0x51, 0x54, 0xbb, 0x8e, 0x5e, 0x9d, 0x21, 0xf8, 0x14, 0xbe, 0xe4, 0x63, 0x60, 0x31, 0x53,
+  0xe2, 0xef, 0xee, 0x34, 0xa3, 0x8c, 0xd2, 0x24, 0x6f, 0xa4, 0x89, 0x4f, 0x02, 0x20, 0x7d,
+  0x66, 0xb6, 0x3f, 0x11, 0x40, 0x0c, 0xc1, 0x5f, 0xd8, 0x45, 0x23, 0x95, 0x40, 0xc8, 0xe0,
+  0xbc, 0x9d, 0x2f, 0x03, 0xf1, 0x83, 0x9f, 0x07, 0x0b, 0x76, 0xc9, 0x10, 0xd9, 0x3e, 0x0b,
+  0x75, 0x13, 0x93, 0xe9, 0xc9, 0x85, 0x01, 0x88, 0x36, 0x2e, 0xab, 0xfc, 0xe6, 0x24, 0x32,
+  0xfc, 0xc6, 0x3c, 0x40, 0x97, 0x1a, 0xcc, 0xcd, 0x53, 0xaa, 0x0f, 0xfb, 0xa3, 0xfe, 0xf9,
+  0x24, 0x70, 0x13, 0x3f, 0x4f, 0x5b, 0x7d, 0x43, 0xaa, 0x75, 0x0a, 0x94, 0x72, 0xab, 0xe1,
+  0x8c, 0x45, 0xb5, 0x78, 0x10, 0x01, 0xef, 0x1f, 0xb3, 0x05, 0x6f, 0xa6, 0xc3, 0xac, 0x7f,
+  0x6d, 0xf0, 0x31, 0xc4, 0x83, 0xb3, 0x4f, 0x50, 0x26, 0x92, 0x40, 0x1a, 0xdd, 0xec, 0xfb,
+  0xcb, 0xef, 0x63, 0xfe, 0x41, 0xd8, 0x8d, 0x1f, 0xdc, 0xec, 0xfc, 0x48, 0x95, 0xcc, 0x09,
+  0x1e, 0x30, 0x6e, 0x22, 0x9e, 0x24, 0x97, 0x2e, 0xe6, 0x0c, 0xdf, 0x3d, 0x20, 0x32, 0xaa,
+  0x9c, 0xc9, 0x45, 0x14, 0xaf, 0xaa, 0xf5, 0x17, 0xd2, 0x01, 0x98, 0x33, 0xbe, 0x2a, 0x9f,
+  0x7b, 0x9d, 0x98, 0x7c, 0x54, 0x22, 0xfe, 0x72, 0x72, 0x04, 0xc3, 0x2c, 0xc0, 0x14, 0x0b,
+  0xa9, 0x40, 0x7e, 0x46, 0xa1, 0x75, 0x16, 0x1a, 0x27, 0x9e, 0xf2, 0x82, 0x96, 0xc0, 0x7d,
+  0xaf, 0x18, 0x75, 0xfb, 0xbb, 0xab, 0x16, 0x66, 0xc0, 0xa9, 0xd7, 0x93, 0x4c, 0x48, 0x6d,
+  0xce, 0x0b, 0x88, 0xd4, 0x21, 0x93, 0x84, 0x89, 0x55, 0x05, 0xd5, 0x02, 0x01, 0x11
+};
+
+const std::string REAL_CERT_INFO = "Certificate name:\n"
+  "  /tmp\n"
+  "Validity:\n"
+  "  NotBefore: 20131101T171122\n"
+  "  NotAfter: 20141101T171122\n"
+  "Subject Description:\n"
+  "  2.5.4.41: NDN Testbed Root\n"
+  "Public key bits: (RSA)\n"
+  "  MIIBIDANBgkqhkiG9w0BAQEFAAOCAQ0AMIIBCAKCAQEA06x+elwzWCHa4I3byrYC\n"
+  "  MAIVxQpRVLuOXp0h+BS+5GNgMVPi7+40o4zSJG+kiU8CIH1mtj8RQAzBX9hFI5VA\n"
+  "  yOC8nS8D8YOfBwt2yRDZPgt1E5PpyYUBiDYuq/zmJDL8xjxAlxrMzVOqD/uj/vkk\n"
+  "  cBM/T1t9Q6p1CpRyq+GMRbV4EAHvH7MFb6bDrH9t8DHEg7NPUCaSQBrd7PvL72P+\n"
+  "  QdiNH9zs/EiVzAkeMG4iniSXLuYM3z0gMqqcyUUUr6r1F9IBmDO+Kp97nZh8VCL+\n"
+  "  cnIEwyzAFAupQH5GoXUWGiee8oKWwH2vGHX7u6sWZsCp15NMSG3OC4jUIZOEiVUF\n"
+  "  1QIB\n"
+  "Signature Information:\n"
+  "  Signature Type: Unknown Signature Type\n";
+
+const uint8_t SELF_SIGNED_ECDSA_CERT[] = {
+  0x06, 0xfd, 0x01, 0x5b, 0x07, 0x33, 0x08, 0x05, 0x65, 0x63, 0x64, 0x73, 0x61, 0x08, 0x03,
+  0x4b, 0x45, 0x59, 0x08, 0x11, 0x6b, 0x73, 0x6b, 0x2d, 0x31, 0x34, 0x31, 0x36, 0x35, 0x39,
+  0x34, 0x35, 0x35, 0x32, 0x38, 0x32, 0x37, 0x08, 0x07, 0x49, 0x44, 0x2d, 0x43, 0x45, 0x52,
+  0x54, 0x08, 0x09, 0xfd, 0x00, 0x00, 0x01, 0x49, 0xd3, 0x9d, 0x78, 0x00, 0x14, 0x03, 0x18,
+  0x01, 0x02, 0x15, 0xa5, 0x30, 0x81, 0xa2, 0x30, 0x22, 0x18, 0x0f, 0x32, 0x30, 0x31, 0x34,
+  0x31, 0x31, 0x32, 0x31, 0x31, 0x38, 0x32, 0x39, 0x31, 0x32, 0x5a, 0x18, 0x0f, 0x32, 0x30,
+  0x33, 0x34, 0x31, 0x31, 0x31, 0x36, 0x31, 0x38, 0x32, 0x39, 0x31, 0x32, 0x5a, 0x30, 0x21,
+  0x30, 0x1f, 0x06, 0x03, 0x55, 0x04, 0x29, 0x13, 0x18, 0x2f, 0x65, 0x63, 0x64, 0x73, 0x61,
+  0x2f, 0x6b, 0x73, 0x6b, 0x2d, 0x31, 0x34, 0x31, 0x36, 0x35, 0x39, 0x34, 0x35, 0x35, 0x32,
+  0x38, 0x32, 0x37, 0x30, 0x59, 0x30, 0x13, 0x06, 0x07, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x02,
+  0x01, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x03, 0x01, 0x07, 0x03, 0x42, 0x00, 0x04,
+  0x83, 0xe5, 0x81, 0x19, 0xd9, 0xfa, 0x64, 0x40, 0xad, 0x7c, 0x93, 0xfc, 0x15, 0x90, 0x6b,
+  0x38, 0x1e, 0xc5, 0xca, 0xb1, 0x6b, 0x0b, 0x1f, 0x64, 0xbf, 0x48, 0xaa, 0xd0, 0x91, 0x5c,
+  0x24, 0xd6, 0x78, 0x40, 0xfd, 0x95, 0x5d, 0x54, 0x64, 0xe1, 0x2d, 0x0e, 0x98, 0x66, 0x1d,
+  0x7a, 0xb0, 0x61, 0x17, 0x05, 0x26, 0x13, 0x63, 0x25, 0x7c, 0xda, 0x87, 0x11, 0xc9, 0x67,
+  0xcd, 0x12, 0x05, 0xf0, 0x16, 0x2f, 0x1b, 0x01, 0x03, 0x1c, 0x2a, 0x07, 0x28, 0x08, 0x05,
+  0x65, 0x63, 0x64, 0x73, 0x61, 0x08, 0x03, 0x4b, 0x45, 0x59, 0x08, 0x11, 0x6b, 0x73, 0x6b,
+  0x2d, 0x31, 0x34, 0x31, 0x36, 0x35, 0x39, 0x34, 0x35, 0x35, 0x32, 0x38, 0x32, 0x37, 0x08,
+  0x07, 0x49, 0x44, 0x2d, 0x43, 0x45, 0x52, 0x54, 0x17, 0x47, 0x30, 0x45, 0x02, 0x21, 0x00,
+  0x9b, 0xae, 0xf4, 0x87, 0x55, 0xaa, 0x78, 0xbf, 0x00, 0xff, 0x1a, 0xbe, 0x90, 0x46, 0x6e,
+  0xdd, 0xe6, 0x3b, 0x44, 0xfd, 0x41, 0x04, 0x86, 0xcc, 0x6a, 0x8b, 0x5a, 0x25, 0xbb, 0xf1,
+  0x55, 0xcd, 0x02, 0x20, 0x0e, 0x67, 0xd8, 0x86, 0xe8, 0x7c, 0x90, 0x3c, 0x13, 0xfd, 0x36,
+  0x9c, 0xbc, 0xa1, 0xc3, 0x7c, 0xe0, 0x0c, 0x6d, 0x64, 0xac, 0xdb, 0x69, 0x99, 0xde, 0x80,
+  0x35, 0x3f, 0xf4, 0x6a, 0xcd, 0x6f
+};
+
+const std::string SELF_SIGNED_ECDSA_CERT_INFO =
+  "Certificate name:\n"
+  "  /ecdsa/KEY/ksk-1416594552827/ID-CERT/%FD%00%00%01I%D3%9Dx%00\n"
+  "Validity:\n"
+  "  NotBefore: 20141121T182912\n"
+  "  NotAfter: 20341116T182912\n"
+  "Subject Description:\n"
+  "  2.5.4.41: /ecdsa/ksk-1416594552827\n"
+  "Public key bits: (ECDSA)\n"
+  "  MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEg+WBGdn6ZECtfJP8FZBrOB7FyrFr\n"
+  "  Cx9kv0iq0JFcJNZ4QP2VXVRk4S0OmGYderBhFwUmE2MlfNqHEclnzRIF\n"
+  "Signature Information:\n"
+  "  Signature Type: SignatureSha256WithEcdsa\n"
+  "  Key Locator: (Self-Signed) /ecdsa/KEY/ksk-1416594552827/ID-CERT\n";
+
+const uint8_t RSA_CERT[] = {
+  0x06, 0xfd, 0x02, 0xd7, 0x07, 0x38, 0x08, 0x03, 0x6e, 0x64, 0x6e, 0x08, 0x03, 0x4b, 0x45,
+  0x59, 0x08, 0x05, 0x73, 0x69, 0x74, 0x65, 0x31, 0x08, 0x11, 0x6b, 0x73, 0x6b, 0x2d, 0x31,
+  0x34, 0x31, 0x36, 0x34, 0x32, 0x35, 0x33, 0x37, 0x37, 0x30, 0x39, 0x34, 0x08, 0x07, 0x49,
+  0x44, 0x2d, 0x43, 0x45, 0x52, 0x54, 0x08, 0x09, 0xfd, 0x00, 0x00, 0x01, 0x49, 0xc9, 0x8b,
+  0x2e, 0x73, 0x14, 0x03, 0x18, 0x01, 0x02, 0x15, 0xfd, 0x01, 0x61, 0x30, 0x82, 0x01, 0x5d,
+  0x30, 0x22, 0x18, 0x0f, 0x32, 0x30, 0x31, 0x34, 0x31, 0x31, 0x31, 0x39, 0x31, 0x39, 0x33,
+  0x33, 0x30, 0x32, 0x5a, 0x18, 0x0f, 0x32, 0x30, 0x31, 0x35, 0x31, 0x31, 0x31, 0x39, 0x31,
+  0x39, 0x33, 0x33, 0x30, 0x32, 0x5a, 0x30, 0x13, 0x30, 0x11, 0x06, 0x03, 0x55, 0x04, 0x29,
+  0x13, 0x0a, 0x2f, 0x6e, 0x64, 0x6e, 0x2f, 0x73, 0x69, 0x74, 0x65, 0x31, 0x30, 0x82, 0x01,
+  0x20, 0x30, 0x0d, 0x06, 0x09, 0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05,
+  0x00, 0x03, 0x82, 0x01, 0x0d, 0x00, 0x30, 0x82, 0x01, 0x08, 0x02, 0x82, 0x01, 0x01, 0x00,
+  0xb6, 0x54, 0x7e, 0xe8, 0xf2, 0x91, 0x7d, 0xc1, 0x6d, 0xcb, 0x25, 0x44, 0x97, 0x90, 0xdc,
+  0x78, 0x15, 0x0e, 0xef, 0xb5, 0xe7, 0xfd, 0x09, 0x2c, 0xf8, 0xd5, 0x9c, 0x2f, 0xe5, 0xa6,
+  0xae, 0x9d, 0x7e, 0x95, 0x2d, 0xfc, 0xc7, 0xc3, 0x43, 0x46, 0xb0, 0x6f, 0x53, 0xcd, 0xcd,
+  0x6a, 0x29, 0x1d, 0x95, 0xa1, 0x62, 0xcd, 0xa9, 0xf2, 0xf8, 0xe2, 0xfa, 0x8b, 0x5d, 0xfe,
+  0xa1, 0x2b, 0x15, 0x3f, 0x7f, 0x71, 0xe6, 0x3e, 0xb9, 0xb1, 0x29, 0xd1, 0x22, 0x6f, 0x56,
+  0xdf, 0xb6, 0x85, 0xaf, 0xd4, 0xb3, 0x67, 0x8b, 0x94, 0xb8, 0x83, 0xcb, 0x72, 0x86, 0xc4,
+  0xf2, 0x86, 0xb2, 0x7c, 0x94, 0xbc, 0x38, 0x7b, 0x8c, 0x92, 0x86, 0x36, 0x83, 0x0e, 0x11,
+  0x8c, 0x95, 0x49, 0xff, 0xcc, 0x16, 0x62, 0xdb, 0x55, 0x40, 0x7f, 0xc8, 0x8d, 0xe4, 0x3f,
+  0x87, 0x02, 0x87, 0xaf, 0xf6, 0x2f, 0x8a, 0x7d, 0x74, 0x10, 0xd3, 0xbb, 0xa3, 0xfe, 0x5a,
+  0x7b, 0x8f, 0x56, 0x09, 0x8b, 0x49, 0x46, 0x9f, 0x7d, 0x55, 0xa3, 0x4a, 0xe8, 0x22, 0x7b,
+  0x80, 0x8a, 0x6f, 0xde, 0x9f, 0xfb, 0x2f, 0xeb, 0xf7, 0x29, 0x8a, 0x38, 0x67, 0x41, 0xae,
+  0x21, 0x7a, 0xe3, 0x7b, 0x96, 0x1a, 0x90, 0x35, 0x7d, 0x04, 0xaa, 0x4d, 0x9f, 0xe6, 0xd6,
+  0x00, 0x17, 0x4e, 0x02, 0x34, 0x6c, 0x56, 0x3a, 0x81, 0x3c, 0xb4, 0x7f, 0x98, 0x48, 0x22,
+  0xa0, 0x9f, 0x53, 0x35, 0xf9, 0x4e, 0xae, 0x8f, 0xc3, 0xfa, 0x0b, 0x93, 0xd4, 0x55, 0x78,
+  0x05, 0xb0, 0x40, 0x44, 0x48, 0x74, 0xb7, 0x9b, 0x2d, 0x65, 0xf0, 0x3d, 0x2e, 0x87, 0x2b,
+  0x48, 0x29, 0x12, 0x85, 0xf0, 0xaf, 0xc4, 0xdc, 0x73, 0xce, 0x18, 0x8b, 0xd9, 0x4c, 0x60,
+  0x15, 0x51, 0xae, 0x47, 0x1e, 0x2b, 0x54, 0xde, 0xf6, 0xba, 0x77, 0x30, 0x5d, 0x68, 0x9a,
+  0xfb, 0x02, 0x01, 0x11, 0x16, 0x2d, 0x1b, 0x01, 0x01, 0x1c, 0x28, 0x07, 0x26, 0x08, 0x03,
+  0x6e, 0x64, 0x6e, 0x08, 0x03, 0x4b, 0x45, 0x59, 0x08, 0x11, 0x6b, 0x73, 0x6b, 0x2d, 0x31,
+  0x34, 0x31, 0x36, 0x34, 0x32, 0x35, 0x32, 0x39, 0x35, 0x35, 0x34, 0x36, 0x08, 0x07, 0x49,
+  0x44, 0x2d, 0x43, 0x45, 0x52, 0x54, 0x17, 0xfd, 0x01, 0x00, 0x26, 0x40, 0xbc, 0xf0, 0x28,
+  0x12, 0x69, 0x94, 0x11, 0x13, 0xff, 0x47, 0x2c, 0x6b, 0x12, 0xdd, 0xfa, 0x60, 0x92, 0xe9,
+  0x59, 0x10, 0x98, 0xd8, 0x11, 0x2a, 0xf0, 0x25, 0xb0, 0x03, 0xb2, 0xda, 0xd3, 0xb6, 0xa9,
+  0xfb, 0x8b, 0xc3, 0x6f, 0xfb, 0xb4, 0x93, 0x9b, 0x24, 0x9f, 0x7e, 0x63, 0x8a, 0x37, 0xea,
+  0x88, 0x74, 0xac, 0x0c, 0x04, 0x5b, 0xa2, 0x39, 0x0c, 0xa1, 0x9e, 0x0e, 0xa2, 0xd6, 0x74,
+  0xca, 0xc4, 0x92, 0x64, 0x9f, 0xc2, 0x68, 0x56, 0xef, 0xc5, 0x11, 0xe8, 0x7a, 0xf3, 0x21,
+  0xde, 0x88, 0x40, 0x70, 0x2b, 0x44, 0xe0, 0xcb, 0x3b, 0x33, 0xc6, 0x53, 0x65, 0x70, 0x56,
+  0x08, 0xe2, 0x22, 0x70, 0x9e, 0xe0, 0x38, 0x18, 0xa8, 0x7c, 0x7d, 0x09, 0x15, 0xac, 0xf1,
+  0x44, 0x63, 0x5d, 0xd5, 0x59, 0xf4, 0xeb, 0x60, 0x6c, 0x6e, 0x77, 0x36, 0x20, 0x2a, 0xe2,
+  0xd1, 0x2d, 0xa1, 0x7d, 0xd4, 0x6d, 0x29, 0x2d, 0x88, 0xde, 0x9e, 0xf8, 0x64, 0x41, 0x6a,
+  0xeb, 0x9f, 0x3b, 0x52, 0x06, 0xb1, 0x94, 0x09, 0x3b, 0xc9, 0xba, 0xa0, 0x05, 0x31, 0x2d,
+  0x49, 0x17, 0x5b, 0xc1, 0x62, 0xf5, 0x19, 0xce, 0x27, 0x7b, 0xe8, 0x4b, 0xeb, 0x80, 0x36,
+  0xf3, 0xd7, 0xe9, 0x59, 0x22, 0x50, 0x5a, 0x14, 0xb0, 0x1a, 0xa5, 0x6b, 0x33, 0xb2, 0x83,
+  0x72, 0x11, 0xf4, 0xd5, 0xd2, 0x32, 0x93, 0x94, 0xb6, 0x8d, 0xed, 0xcd, 0xce, 0x54, 0x79,
+  0xe8, 0xc3, 0x3c, 0xa8, 0xc6, 0x71, 0xa7, 0x61, 0xba, 0x70, 0x44, 0x94, 0xc9, 0xfc, 0xd0,
+  0x20, 0x00, 0x87, 0xdc, 0xf3, 0x3c, 0x47, 0x1b, 0x4f, 0x91, 0x4c, 0xc7, 0x49, 0xb7, 0xe4,
+  0xe3, 0x84, 0xb7, 0x82, 0x52, 0xec, 0x91, 0xa9, 0x28, 0x38, 0x2d, 0x48, 0x89, 0xc7, 0xcf,
+  0xfa, 0x63, 0x0b, 0xf0, 0x62, 0x51, 0xac, 0xe9, 0xdb, 0xfd, 0x1c
+};
+
+const std::string RSA_CERT_INFO =
+  "Certificate name:\n"
+  "  /ndn/KEY/site1/ksk-1416425377094/ID-CERT/%FD%00%00%01I%C9%8B.s\n"
+  "Validity:\n"
+  "  NotBefore: 20141119T193302\n"
+  "  NotAfter: 20151119T193302\n"
+  "Subject Description:\n"
+  "  2.5.4.41: /ndn/site1\n"
+  "Public key bits: (RSA)\n"
+  "  MIIBIDANBgkqhkiG9w0BAQEFAAOCAQ0AMIIBCAKCAQEAtlR+6PKRfcFtyyVEl5Dc\n"
+  "  eBUO77Xn/Qks+NWcL+Wmrp1+lS38x8NDRrBvU83NaikdlaFizany+OL6i13+oSsV\n"
+  "  P39x5j65sSnRIm9W37aFr9SzZ4uUuIPLcobE8oayfJS8OHuMkoY2gw4RjJVJ/8wW\n"
+  "  YttVQH/IjeQ/hwKHr/Yvin10ENO7o/5ae49WCYtJRp99VaNK6CJ7gIpv3p/7L+v3\n"
+  "  KYo4Z0GuIXrje5YakDV9BKpNn+bWABdOAjRsVjqBPLR/mEgioJ9TNflOro/D+guT\n"
+  "  1FV4BbBAREh0t5stZfA9LocrSCkShfCvxNxzzhiL2UxgFVGuRx4rVN72uncwXWia\n"
+  "  +wIB\n"
+  "Signature Information:\n"
+  "  Signature Type: SignatureSha256WithRsa\n"
+  "  Key Locator: (Name) /ndn/KEY/ksk-1416425295546/ID-CERT\n";
+
+BOOST_AUTO_TEST_CASE(Decode)
+{
+  ndn::Data data("/tmp");
+  data.setContent(REAL_CERT, sizeof(REAL_CERT));
+
+  Certificate certificate(data);
+
+  std::ostringstream os;
+  os << certificate;
+  std::string info(os.str());
+
+  BOOST_CHECK_EQUAL(REAL_CERT_INFO, info);
+
+
+  ndn::Block selfSignedCertBlock(SELF_SIGNED_ECDSA_CERT, sizeof(SELF_SIGNED_ECDSA_CERT));
+  Certificate selfSignedCert;
+  selfSignedCert.wireDecode(selfSignedCertBlock);
+
+  std::ostringstream selfSignedCertOs;
+  selfSignedCertOs << selfSignedCert;
+  std::string selfSignedCertInfo(selfSignedCertOs.str());
+
+  BOOST_CHECK_EQUAL(SELF_SIGNED_ECDSA_CERT_INFO, selfSignedCertInfo);
+
+
+  ndn::Block rsaCertBlock(RSA_CERT, sizeof(RSA_CERT));
+  Certificate rsaCert;
+  rsaCert.wireDecode(rsaCertBlock);
+
+  std::ostringstream rsaCertOs;
+  rsaCertOs << rsaCert;
+  std::string rsaCertInfo(rsaCertOs.str());
+
+  BOOST_CHECK_EQUAL(RSA_CERT_INFO, rsaCertInfo);
+}
+
+const uint8_t WRONG_CERT[] = { // first byte is wrong and an error will be thrown out
+  0x31, 0x82, 0x01, 0x63, 0x30, 0x22, 0x18, 0x0f, 0x32, 0x30, 0x31, 0x33, 0x31, 0x31, 0x30,
+  0x31, 0x31, 0x37, 0x31, 0x31, 0x32, 0x32, 0x5a, 0x18, 0x0f, 0x32, 0x30, 0x31, 0x34, 0x31,
+  0x31, 0x30, 0x31, 0x31, 0x37, 0x31, 0x31, 0x32, 0x32, 0x5a, 0x30, 0x19, 0x30, 0x17, 0x06,
+  0x03, 0x55, 0x04, 0x29, 0x13, 0x10, 0x4e, 0x44, 0x4e, 0x20, 0x54, 0x65, 0x73, 0x74, 0x62,
+  0x65, 0x64, 0x20, 0x52, 0x6f, 0x6f, 0x74, 0x30, 0x82, 0x01, 0x20, 0x30, 0x0d, 0x06, 0x09,
+  0x2a, 0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0d,
+  0x00, 0x30, 0x82, 0x01, 0x08, 0x02, 0x82, 0x01, 0x01, 0x00, 0xd3, 0xac, 0x7e, 0x7a, 0x5c,
+  0x33, 0x58, 0x21, 0xda, 0xe0, 0x8d, 0xdb, 0xca, 0xb6, 0x02, 0x30, 0x02, 0x15, 0xc5, 0x0a,
+  0x51, 0x54, 0xbb, 0x8e, 0x5e, 0x9d, 0x21, 0xf8, 0x14, 0xbe, 0xe4, 0x63, 0x60, 0x31, 0x53,
+  0xe2, 0xef, 0xee, 0x34, 0xa3, 0x8c, 0xd2, 0x24, 0x6f, 0xa4, 0x89, 0x4f, 0x02, 0x20, 0x7d,
+  0x66, 0xb6, 0x3f, 0x11, 0x40, 0x0c, 0xc1, 0x5f, 0xd8, 0x45, 0x23, 0x95, 0x40, 0xc8, 0xe0,
+  0xbc, 0x9d, 0x2f, 0x03, 0xf1, 0x83, 0x9f, 0x07, 0x0b, 0x76, 0xc9, 0x10, 0xd9, 0x3e, 0x0b,
+  0x75, 0x13, 0x93, 0xe9, 0xc9, 0x85, 0x01, 0x88, 0x36, 0x2e, 0xab, 0xfc, 0xe6, 0x24, 0x32,
+  0xfc, 0xc6, 0x3c, 0x40, 0x97, 0x1a, 0xcc, 0xcd, 0x53, 0xaa, 0x0f, 0xfb, 0xa3, 0xfe, 0xf9,
+  0x24, 0x70, 0x13, 0x3f, 0x4f, 0x5b, 0x7d, 0x43, 0xaa, 0x75, 0x0a, 0x94, 0x72, 0xab, 0xe1,
+  0x8c, 0x45, 0xb5, 0x78, 0x10, 0x01, 0xef, 0x1f, 0xb3, 0x05, 0x6f, 0xa6, 0xc3, 0xac, 0x7f,
+  0x6d, 0xf0, 0x31, 0xc4, 0x83, 0xb3, 0x4f, 0x50, 0x26, 0x92, 0x40, 0x1a, 0xdd, 0xec, 0xfb,
+  0xcb, 0xef, 0x63, 0xfe, 0x41, 0xd8, 0x8d, 0x1f, 0xdc, 0xec, 0xfc, 0x48, 0x95, 0xcc, 0x09,
+  0x1e, 0x30, 0x6e, 0x22, 0x9e, 0x24, 0x97, 0x2e, 0xe6, 0x0c, 0xdf, 0x3d, 0x20, 0x32, 0xaa,
+  0x9c, 0xc9, 0x45, 0x14, 0xaf, 0xaa, 0xf5, 0x17, 0xd2, 0x01, 0x98, 0x33, 0xbe, 0x2a, 0x9f,
+  0x7b, 0x9d, 0x98, 0x7c, 0x54, 0x22, 0xfe, 0x72, 0x72, 0x04, 0xc3, 0x2c, 0xc0, 0x14, 0x0b,
+  0xa9, 0x40, 0x7e, 0x46, 0xa1, 0x75, 0x16, 0x1a, 0x27, 0x9e, 0xf2, 0x82, 0x96, 0xc0, 0x7d,
+  0xaf, 0x18, 0x75, 0xfb, 0xbb, 0xab, 0x16, 0x66, 0xc0, 0xa9, 0xd7, 0x93, 0x4c, 0x48, 0x6d,
+  0xce, 0x0b, 0x88, 0xd4, 0x21, 0x93, 0x84, 0x89, 0x55, 0x05, 0xd5, 0x02, 0x01, 0x11
+};
+
+BOOST_AUTO_TEST_CASE(DecodeError)
+{
+  ndn::Data data("/tmp");
+  data.setContent(WRONG_CERT, sizeof(WRONG_CERT));
+
+  BOOST_CHECK_THROW(Certificate certificate(data), Certificate::Error);
+}
+
+BOOST_AUTO_TEST_SUITE_END() // TestCertificate
+BOOST_AUTO_TEST_SUITE_END() // V1
+BOOST_AUTO_TEST_SUITE_END() // Security
+
+} // namespace tests
+} // namespace v1
+} // namespace security
+} // namespace ndn
diff --git a/tests/unit-tests/security/v1/public-key.t.cpp b/tests/unit-tests/security/v1/public-key.t.cpp
new file mode 100644
index 0000000..53df40c
--- /dev/null
+++ b/tests/unit-tests/security/v1/public-key.t.cpp
@@ -0,0 +1,115 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2016 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 "security/v1/public-key.hpp"
+#include "security/v1/cryptopp.hpp"
+#include "encoding/buffer-stream.hpp"
+
+#include "boost-test.hpp"
+
+namespace ndn {
+namespace security {
+namespace v1 {
+namespace tests {
+
+BOOST_AUTO_TEST_SUITE(Security)
+BOOST_AUTO_TEST_SUITE(V1)
+BOOST_AUTO_TEST_SUITE(TestPublicKey)
+
+const std::string RSA_DER("MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuFoDcNtffwbfFix64fw0\
+hI2tKMkFrc6Ex7yw0YLMK9vGE8lXOyBl/qXabow6RCz+GldmFN6E2Qhm1+AX3Zm5\
+sj3H53/HPtzMefvMQ9X7U+lK8eNMWawpRzvBh4/36VrK/awlkNIVIQ9aXj6q6BVe\
+zL+zWT/WYemLq/8A1/hHWiwCtfOH1xQhGqWHJzeSgwIgOOrzxTbRaCjhAb1u2TeV\
+yx/I9H/DV+AqSHCaYbB92HDcDN0kqwSnUf5H1+osE9MR5DLBLhXdSiULSgxT3Or/\
+y2QgsgUK59WrjhlVMPEiHHRs15NZJbL1uQFXjgScdEarohcY3dilqotineFZCeN8\
+DwIDAQAB");
+
+const uint8_t RSA_DER_KEY_DIGEST[] = {
+  0x1d, 0x20,
+    0x58, 0x72, 0x4c, 0xf7, 0x36, 0x3d, 0xee, 0x4a,
+    0x5c, 0x5b, 0x39, 0x44, 0x2d, 0xf6, 0x1a, 0x24,
+    0xda, 0x13, 0xac, 0xab, 0x70, 0xf7, 0x74, 0x40,
+    0x5a, 0x44, 0xfe, 0xc0, 0xc9, 0x26, 0x58, 0x74
+};
+
+const std::string ECDSA_DER("MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAENZpqkPJDj8uhSpffOiCbvSYMLsGB\
+1Eo/WU6mrexjGvduQXjqwon/eSHFI6EgHZk8L9KfiV5XVtVsk2g5wIpJVg==");
+
+const uint8_t ECDSA_DER_KEY_DIGEST[] = {
+  0x1d, 0x20,
+    0xaf, 0x82, 0x3f, 0xfc, 0xdc, 0x85, 0xb2, 0xa4,
+    0xc8, 0xf5, 0x3b, 0x1a, 0xf8, 0xec, 0x4a, 0x55,
+    0x97, 0x55, 0x19, 0x3f, 0x54, 0xdd, 0xd0, 0xfd,
+    0xb5, 0x9d, 0x80, 0x65, 0x80, 0x6b, 0x4b, 0x63
+};
+
+BOOST_AUTO_TEST_CASE(Rsa)
+{
+  using namespace CryptoPP;
+
+  OBufferStream os;
+  StringSource ss(reinterpret_cast<const uint8_t*>(RSA_DER.c_str()), RSA_DER.size(),
+                  true, new Base64Decoder(new FileSink(os)));
+
+  shared_ptr<PublicKey> publicKey;
+  BOOST_REQUIRE_NO_THROW(publicKey = shared_ptr<PublicKey>(new PublicKey(os.buf()->buf(),
+                                                                         os.buf()->size())));
+
+  BOOST_CHECK_EQUAL(publicKey->getKeyType(), KeyType::RSA);
+
+  Block digestBlock(RSA_DER_KEY_DIGEST, sizeof(RSA_DER_KEY_DIGEST));
+  const Block& digest = publicKey->computeDigest();
+  BOOST_CHECK_EQUAL_COLLECTIONS(digestBlock.wire(),
+                                digestBlock.wire() + digestBlock.size(),
+                                digest.wire(),
+                                digest.wire() + digest.size());
+}
+
+BOOST_AUTO_TEST_CASE(Ecdsa)
+{
+  using namespace CryptoPP;
+
+  OBufferStream os;
+  StringSource ss(reinterpret_cast<const uint8_t*>(ECDSA_DER.c_str()), ECDSA_DER.size(),
+                  true, new Base64Decoder(new FileSink(os)));
+
+  shared_ptr<PublicKey> publicKey;
+  BOOST_REQUIRE_NO_THROW(publicKey = shared_ptr<PublicKey>(new PublicKey(os.buf()->buf(),
+                                                                         os.buf()->size())));
+
+  BOOST_CHECK_EQUAL(publicKey->getKeyType(), KeyType::EC);
+
+  Block digestBlock(ECDSA_DER_KEY_DIGEST, sizeof(ECDSA_DER_KEY_DIGEST));
+  const Block& digest = publicKey->computeDigest();
+  BOOST_CHECK_EQUAL_COLLECTIONS(digestBlock.wire(),
+                                digestBlock.wire() + digestBlock.size(),
+                                digest.wire(),
+                                digest.wire() + digest.size());
+}
+
+BOOST_AUTO_TEST_SUITE_END() // TestPublicKey
+BOOST_AUTO_TEST_SUITE_END() // V1
+BOOST_AUTO_TEST_SUITE_END() // Security
+
+} // namespace tests
+} // namespace v1
+} // namespace security
+} // namespace ndn