'21.07'21.07

1 files changed, 42 insertions, 0 deletions

diff --git a/CPP/Common/XzCrc64Reg.cpp b/CPP/Common/XzCrc64Reg.cpp
new file mode 100644
index 0000000..33b5249
--- /dev/null
+++ b/CPP/Common/XzCrc64Reg.cpp
@@ -0,0 +1,42 @@
+// XzCrc64Reg.cpp
+
+#include "StdAfx.h"
+
+#include "../../C/CpuArch.h"
+#include "../../C/XzCrc64.h"
+
+#include "../Common/MyCom.h"
+
+#include "../7zip/Common/RegisterCodec.h"
+
+class CXzCrc64Hasher:
+  public IHasher,
+  public CMyUnknownImp
+{
+  UInt64 _crc;
+  Byte mtDummy[1 << 7];
+
+public:
+  CXzCrc64Hasher(): _crc(CRC64_INIT_VAL) {}
+
+  MY_UNKNOWN_IMP1(IHasher)
+  INTERFACE_IHasher(;)
+};
+
+STDMETHODIMP_(void) CXzCrc64Hasher::Init() throw()
+{
+  _crc = CRC64_INIT_VAL;
+}
+
+STDMETHODIMP_(void) CXzCrc64Hasher::Update(const void *data, UInt32 size) throw()
+{
+  _crc = Crc64Update(_crc, data, size);
+}
+
+STDMETHODIMP_(void) CXzCrc64Hasher::Final(Byte *digest) throw()
+{
+  UInt64 val = CRC64_GET_DIGEST(_crc);
+  SetUi64(digest, val);
+}
+
+REGISTER_HASHER(CXzCrc64Hasher, 0x4, "CRC64", 8)