From bac3da61644515f05663789b122554dc77549286 Mon Sep 17 00:00:00 2001
From: Luca Muscariello <lumuscar+fdio@cisco.com>
Date: Thu, 17 Jan 2019 13:47:57 +0100
Subject: This is the first commit of the hicn project

Change-Id: I6f2544ad9b9f8891c88cc4bcce3cf19bd3cc863f
Signed-off-by: Luca Muscariello <lumuscar+fdio@cisco.com>
---
 libtransport/src/hicn/transport/utils/verifier.h | 85 ++++++++++++++++++++++++
 1 file changed, 85 insertions(+)
 create mode 100755 libtransport/src/hicn/transport/utils/verifier.h

(limited to 'libtransport/src/hicn/transport/utils/verifier.h')

diff --git a/libtransport/src/hicn/transport/utils/verifier.h b/libtransport/src/hicn/transport/utils/verifier.h
new file mode 100755
index 000000000..6313a7240
--- /dev/null
+++ b/libtransport/src/hicn/transport/utils/verifier.h
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <hicn/transport/core/packet.h>
+
+extern "C" {
+#include <parc/security/parc_KeyId.h>
+#include <parc/security/parc_Verifier.h>
+}
+
+namespace utils {
+
+using Packet = transport::core::Packet;
+
+/**
+ * A verifier holds a crypto cache that contains all the keys to use for
+ * verify signatures/hmacs.
+ */
+class Verifier {
+ public:
+  Verifier();
+
+  ~Verifier();
+
+  /**
+   * @brief Check if a key is already in this Verifier.
+   *
+   * A PARCVerifier contains a CryptoCache with a set of key to use for
+   * verification purposes.
+   *
+   * @param keyId Identifier of the key to match in the CryptoCache of the
+   * Verifier.
+   * @return true if the key is found, false otherwise.
+   */
+  bool hasKey(PARCKeyId *keyId);
+
+  /**
+   * @brief Add a key to this Verifier
+   *
+   * @param key to add
+   * @return true if the key was added successfully, false otherwise.
+   */
+  bool addKey(PARCKey *key);
+
+  PARCKeyId *addKeyFromCertificate(const std::string &file_name);
+
+  /**
+   * @brief Verify a Signature
+   *
+   * This method is general and must be used for Public-private key signature,
+   * HMAC and CRC.
+   *
+   * @param signature A pointer to the buffer holding the signature
+   * @param sign_len Lenght of the signature (must be consistent with the type
+   * of the key)
+   * @param bufferSigned A pointer to the packet header signed with
+   * signature. Mutable fields and the signature field in the packet must be
+   * set to 0
+   * @param buf_len Lenght of bufferSigned
+   * @param suite CryptoSuite to use to verify the signature
+   * @param key_id Indentifier of the key to use to verify the signature. The
+   * key must be already present in the Verifier.
+   */
+  int verify(const Packet &packet);
+
+ private:
+  PARCVerifier *verifier_;
+  static uint8_t zeros[200];
+};
+
+}  // namespace utils
-- 
cgit 1.2.3-korg