1 files changed, 128 insertions, 0 deletions
diff --git a/cpp/src/IceUtil/SHA1.cpp b/cpp/src/IceUtil/SHA1.cpp
new file mode 100644
index 00000000000..eda08e35e38
--- /dev/null
+++ b/cpp/src/IceUtil/SHA1.cpp
@@ -0,0 +1,128 @@
+// **********************************************************************
+//
+// Copyright (c) 2003-2014 ZeroC, Inc. All rights reserved.
+//
+// This copy of Ice is licensed to you under the terms described in the
+// ICE_LICENSE file included in this distribution.
+//
+// **********************************************************************
+
+#include <IceUtil/SHA1.h>
+
+#if defined(_WIN32) && !defined(ICE_OS_WINRT)
+#   include <IceUtil/Exception.h>
+#endif
+
+using namespace std;
+using namespace IceUtil;
+
+#ifndef ICE_OS_WINRT
+#   if defined(_WIN32)
+
+namespace
+{
+const int SHA_DIGEST_LENGTH = 20;
+}
+
+IceUtil::SHA1::SHA1() :
+    _ctx(0),
+    _hash(0)
+{
+    if(!CryptAcquireContext(&_ctx, 0, MS_DEF_PROV, PROV_RSA_FULL, CRYPT_VERIFYCONTEXT))
+    {
+        throw IceUtil::SyscallException(__FILE__, __LINE__, GetLastError());
+    }
+    
+    if(!CryptCreateHash(_ctx, CALG_SHA1, 0, 0, &_hash)) 
+    {
+        throw IceUtil::SyscallException(__FILE__, __LINE__, GetLastError());
+    }
+}
+
+IceUtil::SHA1::~SHA1()
+{
+    if(_hash)
+    {
+        CryptDestroyHash(_hash);
+    }
+    
+    if(_ctx)
+    {
+        CryptReleaseContext(_ctx, 0);
+    }
+}
+#   elif defined(__APPLE__)
+IceUtil::SHA1::SHA1()
+{
+    CC_SHA1_Init(&_ctx);
+}
+#   else
+IceUtil::SHA1::SHA1()
+{
+    SHA1_Init(&_ctx);
+}
+#   endif
+
+void
+IceUtil::SHA1::update(const unsigned char* data, size_t length)
+{
+#   if defined(_WIN32)
+    if(!CryptHashData(_hash, data, static_cast<DWORD>(length), 0)) 
+    {
+        throw IceUtil::SyscallException(__FILE__, __LINE__, GetLastError());
+    }
+#   elif defined(__APPLE__)
+    CC_SHA1_Update(&_ctx, reinterpret_cast<const void*>(data), length);
+#   else
+    SHA1_Update(&_ctx, reinterpret_cast<const void*>(data), length);
+#   endif
+}
+
+void
+IceUtil::SHA1::finalize(vector<unsigned char>& md)
+{
+#   if defined(_WIN32)
+    md.resize(SHA_DIGEST_LENGTH);
+    DWORD length = SHA_DIGEST_LENGTH;
+    if(!CryptGetHashParam(_hash, HP_HASHVAL, &md[0], &length, 0))
+    {
+        throw IceUtil::SyscallException(__FILE__, __LINE__, GetLastError());
+    }
+#   elif defined(__APPLE__)
+    md.resize(CC_SHA1_DIGEST_LENGTH);
+    CC_SHA1_Final(&md[0], &_ctx);
+#   else
+    md.resize(SHA_DIGEST_LENGTH);
+    SHA1_Final(&md[0], &_ctx);
+#   endif
+}
+#endif
+
+void
+IceUtil::sha1(const unsigned char* data, size_t length, vector<unsigned char>& md)
+{
+#if defined(ICE_OS_WINRT)
+    auto dataA = ref new Platform::Array<unsigned char>(const_cast<unsigned char*>(&data[0]), 
+                                                        static_cast<unsigned int>(data.size()));
+    auto hasher = Windows::Security::Cryptography::Core::HashAlgorithmProvider::OpenAlgorithm("SHA1");
+    auto hashed = hasher->HashData(Windows::Security::Cryptography::CryptographicBuffer::CreateFromByteArray(dataA));
+    auto reader = ::Windows::Storage::Streams::DataReader::FromBuffer(hashed);
+    md.resize(reader->UnconsumedBufferLength);
+    if(!md.empty())
+    {
+        reader->ReadBytes(::Platform::ArrayReference<unsigned char>(&result[0],
+                                                                    static_cast<unsigned int>(result.size())));
+    }
+    return md;
+#elif defined(_WIN32)
+    SHA1 hasher;
+    hasher.update(data, length);
+    hasher.finalize(md);
+#elif defined(__APPLE__)
+    md.resize(CC_SHA1_DIGEST_LENGTH);
+    CC_SHA1(&data[0], length, &md[0]);
+#else
+    md.resize(SHA_DIGEST_LENGTH);
+    ::SHA1(&data[0], length, &md[0]);
+#endif
+}