From f4433f28b509a9f67ca85d79000ccf9c2f4b7a24 Mon Sep 17 00:00:00 2001
From: Mauro Sardara <msardara@cisco.com>
Date: Fri, 21 Feb 2020 11:52:28 +0100
Subject: [HICN-534] Major rework on libtransport organization

Change-Id: I361b83a18b4fd59be136d5f0817fc28e17e89884
Signed-off-by: Mauro Sardara <msardara@cisco.com>
---
 .../hicn/transport/security/crypto_hasher.h        | 68 ++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 libtransport/includes/hicn/transport/security/crypto_hasher.h

(limited to 'libtransport/includes/hicn/transport/security/crypto_hasher.h')

diff --git a/libtransport/includes/hicn/transport/security/crypto_hasher.h b/libtransport/includes/hicn/transport/security/crypto_hasher.h
new file mode 100644
index 000000000..9367c3bc8
--- /dev/null
+++ b/libtransport/includes/hicn/transport/security/crypto_hasher.h
@@ -0,0 +1,68 @@
+/*
+ * 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/security/crypto_hash.h>
+
+extern "C" {
+#include <parc/security/parc_CryptoHasher.h>
+};
+
+namespace utils {
+
+class CryptoHasher {
+ public:
+  CryptoHasher(CryptoHashType hash_type)
+      : hasher_(parcCryptoHasher_Create(
+            static_cast<PARCCryptoHashType>(hash_type))),
+        managed_(true) {}
+
+  CryptoHasher(PARCCryptoHasher* hasher) : hasher_(hasher), managed_(false) {}
+
+  ~CryptoHasher() {
+    if (managed_) {
+      parcCryptoHasher_Release(&hasher_);
+    }
+  }
+
+  CryptoHasher& init() {
+    if (parcCryptoHasher_Init(hasher_) == -1) {
+      throw errors::RuntimeException("Cryptohash init failed.");
+    }
+
+    return *this;
+  }
+
+  template <typename T>
+  CryptoHasher& updateBytes(const T* buffer, std::size_t length) {
+    if (parcCryptoHasher_UpdateBytes(hasher_, buffer, length) == -1) {
+      throw errors::RuntimeException("Cryptohash updateBytes failed.");
+    }
+    return *this;
+  }
+
+  CryptoHash finalize() {
+    CryptoHash hash;
+    hash.hash_ = parcCryptoHasher_Finalize(hasher_);
+    return hash;
+  }
+
+ private:
+  PARCCryptoHasher* hasher_;
+  bool managed_;
+};
+
+}  // namespace utils
\ No newline at end of file
-- 
cgit 1.2.3-korg