[saco] Implement SHA1_HashData(...)

saco/checksums.cpp

@@ -0,0 +1,23 @@
+
+#include <stdio.h>
+#include <windows.h>
+#include "fhicl-sha1.h"
+
+//----------------------------------------------------------
+
+void SHA1_HashData(PCHAR szData, DWORD dwLen, DWORD *pdwDigest)
+{
+	fhicl::SHA1 sha1;
+
+	for(int i = 0; i < 5; i++) {
+		pdwDigest[i] = 0;
+	}
+
+	if(!IsBadReadPtr(szData, dwLen))
+	{
+		sha1.Input(szData, dwLen);
+		sha1.Result((unsigned int*)pdwDigest);
+	}
+}
+
+//----------------------------------------------------------

saco/checksums.h

@@ -0,0 +1,8 @@
+
+#pragma once
+
+//----------------------------------------------------------
+
+void SHA1_HashData(PCHAR szData, DWORD dwLen, DWORD *pdwDigest);
+
+//----------------------------------------------------------

saco/saco.vcproj

@@ -544,6 +544,12 @@
 		<File
 			RelativePath=".\chatwindow.h">
 		</File>
+		<File
+			RelativePath=".\checksums.cpp">
+		</File>
+		<File
+			RelativePath=".\checksums.h">
+		</File>
 		<File
 			RelativePath=".\cmdprocs.cpp">
 		</File>