--- /dev/null
+/*-------------------------------------------------------------------------
+ * drawElements C++ Base Library
+ * -----------------------------
+ *
+ * Copyright 2015 The Android Open Source Project
+ *
+ * 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.
+ *
+ *//*!
+ * \file
+ * \brief SHA1 hash functions
+ *//*--------------------------------------------------------------------*/
+
+#include "deSha1.hpp"
+
+namespace de
+{
+
+Sha1 Sha1::parse (const std::string& str)
+{
+ deSha1 hash;
+
+ DE_CHECK_RUNTIME_ERR_MSG(str.size() >= 40, "Failed to parse SHA1. String is too short.");
+ DE_CHECK_RUNTIME_ERR_MSG(deSha1_parse(&hash, str.c_str()), "Failed to parse SHA1. Invalid characters..");
+
+ return Sha1(hash);
+}
+
+Sha1 Sha1::compute (size_t size, const void* data)
+{
+ deSha1 hash;
+
+ deSha1_compute(&hash, size, data);
+ return Sha1(hash);
+}
+
+Sha1Stream::Sha1Stream (void)
+{
+ deSha1Stream_init(&m_stream);
+}
+
+void Sha1Stream::process (size_t size, const void* data)
+{
+ deSha1Stream_process(&m_stream, size, data);
+}
+
+Sha1 Sha1Stream::finalize (void)
+{
+ deSha1 hash;
+ deSha1Stream_finalize(&m_stream, &hash);
+
+ return Sha1(hash);
+}
+
+} // de
--- /dev/null
+#ifndef _DESHA1_HPP
+#define _DESHA1_HPP
+/*-------------------------------------------------------------------------
+ * drawElements C++ Base Library
+ * -----------------------------
+ *
+ * Copyright 2015 The Android Open Source Project
+ *
+ * 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.
+ *
+ *//*!
+ * \file
+ * \brief SHA1 hash functions
+ *//*--------------------------------------------------------------------*/
+
+#include "deDefs.hpp"
+
+#include "deSha1.h"
+
+#include <string>
+#include <vector>
+
+namespace de
+{
+
+class Sha1
+{
+public:
+ Sha1 (const deSha1& hash) : m_hash(hash) {}
+
+ static Sha1 parse (const std::string& str);
+ static Sha1 compute (size_t size, const void* data);
+
+ bool operator== (const Sha1& other) const { return deSha1_equal(&m_hash, &other.m_hash); }
+ bool operator!= (const Sha1& other) const { return !(*this == other); }
+
+private:
+ deSha1 m_hash;
+};
+
+class Sha1Stream
+{
+public:
+ Sha1Stream (void);
+ void process (size_t size, const void* data);
+ Sha1 finalize (void);
+
+private:
+ deSha1Stream m_stream;
+};
+
+// Utility functions for building hash from values.
+// \note This is not same as serializing the values and computing hash from the data.
+// Some extra care is required when dealing with types that have platform
+// specific size.
+// All vectors and strings will include their size in the hash. Following codes
+// produce different results:
+// stream << "Hi" << "Hello";
+// and
+// stream << "HiHello";
+
+inline Sha1Stream& operator<< (Sha1Stream& stream, bool b)
+{
+ const deUint8 value = b ? 1 : 0;
+ stream.process(sizeof(value), &value);
+ return stream;
+}
+
+inline Sha1Stream& operator<< (Sha1Stream& stream, deUint32 value)
+{
+ const deUint8 data[] =
+ {
+ (deUint8)(0xFFu & (value >> 24)),
+ (deUint8)(0xFFu & (value >> 16)),
+ (deUint8)(0xFFu & (value >> 8)),
+ (deUint8)(0xFFu & (value >> 0))
+ };
+
+ stream.process(sizeof(data), data);
+ return stream;
+}
+
+inline Sha1Stream& operator<< (Sha1Stream& stream, deInt32 value)
+{
+ return stream << (deUint32)value;
+}
+
+inline Sha1Stream& operator<< (Sha1Stream& stream, deUint64 value)
+{
+ const deUint8 data[] =
+ {
+ (deUint8)(0xFFull & (value >> 56)),
+ (deUint8)(0xFFull & (value >> 48)),
+ (deUint8)(0xFFull & (value >> 40)),
+ (deUint8)(0xFFull & (value >> 32)),
+ (deUint8)(0xFFull & (value >> 24)),
+ (deUint8)(0xFFull & (value >> 16)),
+ (deUint8)(0xFFull & (value >> 8)),
+ (deUint8)(0xFFull & (value >> 0))
+ };
+
+ stream.process(sizeof(data), data);
+ return stream;
+}
+
+inline Sha1Stream& operator<< (Sha1Stream& stream, deInt64 value)
+{
+ return stream << (deUint64)value;
+}
+
+template<typename T>
+inline Sha1Stream& operator<< (Sha1Stream& stream, const std::vector<T>& values)
+{
+ stream << (deUint64)values.size();
+
+ for (size_t ndx = 0; ndx < values.size(); ndx++)
+ stream << values[ndx];
+
+ return stream;
+}
+
+inline Sha1Stream& operator<< (Sha1Stream& stream, const std::string& str)
+{
+ stream << (deUint64)str.size();
+ stream.process(str.size(), str.c_str());
+ return stream;
+}
+
+} // de
+
+#endif // _DESHA1_HPP