1 files changed, 55 insertions, 0 deletions
diff --git a/CPP/7zip/Crypto/Sha1Reg.cpp b/CPP/7zip/Crypto/Sha1Reg.cpp
new file mode 100644
index 00000000..a32972e4
--- /dev/null
+++ b/CPP/7zip/Crypto/Sha1Reg.cpp
@@ -0,0 +1,55 @@
+// Sha1Reg.cpp
+
+#include "StdAfx.h"
+
+#include "../../Common/MyCom.h"
+
+#include "../ICoder.h"
+#include "../Common/RegisterCodec.h"
+
+#include "Sha1.h"
+
+using namespace NCrypto;
+using namespace NSha1;
+
+class CSha1Hasher:
+  public IHasher,
+  public CMyUnknownImp
+{
+  CContext _sha;
+public:
+  CSha1Hasher() { Init(); }
+
+  MY_UNKNOWN_IMP
+
+  STDMETHOD_(void, Init)();
+  STDMETHOD_(void, Update)(const void *data, UInt32 size);
+  STDMETHOD_(void, Final)(Byte *digest);
+  STDMETHOD_(UInt32, GetDigestSize)();
+};
+
+STDMETHODIMP_(void) CSha1Hasher::Init()
+{
+  _sha.Init();
+}
+
+STDMETHODIMP_(void) CSha1Hasher::Update(const void *data, UInt32 size)
+{
+  _sha.Update((const Byte *)data, size);
+}
+
+STDMETHODIMP_(void) CSha1Hasher::Final(Byte *digest)
+{
+  _sha.Final(digest);
+}
+
+STDMETHODIMP_(UInt32) CSha1Hasher::GetDigestSize()
+{
+  return kDigestSize;
+}
+
+static IHasher *CreateHasher() { return new CSha1Hasher; }
+
+static CHasherInfo g_HasherInfo = { CreateHasher, 0x201, L"SHA1", kDigestSize };
+
+REGISTER_HASHER(Sha1)