From 1c3fd025362de5cfd256f83808f30018410bc4c5 Mon Sep 17 00:00:00 2001
From: George Hazan <george.hazan@gmail.com>
Date: Thu, 14 Nov 2013 23:13:59 +0000
Subject: missing file

git-svn-id: http://svn.miranda-ng.org/main/trunk@6911 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
---
 plugins/Db3x_mmap/src/dbcrypt.cpp | 103 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 plugins/Db3x_mmap/src/dbcrypt.cpp

(limited to 'plugins/Db3x_mmap/src')

diff --git a/plugins/Db3x_mmap/src/dbcrypt.cpp b/plugins/Db3x_mmap/src/dbcrypt.cpp
new file mode 100644
index 0000000000..42907f46d1
--- /dev/null
+++ b/plugins/Db3x_mmap/src/dbcrypt.cpp
@@ -0,0 +1,103 @@
+/*
+
+Miranda NG: the free IM client for Microsoft* Windows*
+
+Copyright 2012-13 Miranda NG project,
+all portions of this codebase are copyrighted to the people
+listed in contributors.txt.
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+*/
+
+#include "commonheaders.h"
+
+int CDb3Base::InitCrypt()
+{
+	CRYPTO_PROVIDER *pProvider;
+
+	DBVARIANT dbv = { 0 };
+	dbv.type = DBVT_ASCIIZ;
+	DBCONTACTGETSETTING dbcgs = { "CryptoEngine", "Provider", &dbv };
+	if (GetContactSettingStr(NULL, &dbcgs)) {
+		CRYPTO_PROVIDER **ppProvs;
+		int iNumProvs;
+		Crypto_EnumProviders(&iNumProvs, &ppProvs);
+		if (iNumProvs == 0)
+			return 1;
+
+		pProvider = ppProvs[0];  //!!!!!!!!!!!!!!!!!!
+		
+		DBCONTACTWRITESETTING dbcws = { "CryptoEngine", "Provider" };
+		dbcws.value.type = DBVT_ASCIIZ;
+		dbcws.value.pszVal = pProvider->pszName;
+		WriteContactSetting(NULL, &dbcws);
+	}
+	else {
+		pProvider = Crypto_GetProvider(dbv.pszVal);
+		FreeVariant(&dbv);
+		if (pProvider == NULL)
+			return 2;
+	}
+
+	if ((m_crypto = pProvider->pFactory()) == NULL)
+		return 3;
+
+	size_t iKeyLength = m_crypto->getKeyLength();
+
+	dbv.type = DBVT_BLOB;
+	dbcgs.szSetting = "StoredKey";
+	if (GetContactSetting(NULL, &dbcgs)) {
+		m_crypto->generateKey(); // unencrypted key
+		
+		BYTE *pKey = (BYTE*)_alloca(iKeyLength);
+		m_crypto->getKey(pKey, iKeyLength);
+
+		DBCONTACTWRITESETTING dbcws = { "CryptoEngine", "StoredKey" };
+		dbcws.value.type = DBVT_BLOB;
+		dbcws.value.cpbVal = (WORD)iKeyLength;
+		dbcws.value.pbVal = pKey;
+		WriteContactSetting(NULL, &dbcws);
+
+		memset(pKey, 0, iKeyLength);
+	}
+	else {
+		if (dbv.cpbVal != (WORD)iKeyLength)
+			return 4;
+
+		m_crypto->setKey(dbv.pbVal, iKeyLength);
+		FreeVariant(&dbv);
+	}
+	return 0;
+}
+
+void CDb3Base::EncodeCopyMemory(void *dst, void *src, size_t size)
+{
+	MoveMemory(dst, src, size);
+}
+
+void CDb3Base::DecodeCopyMemory(void *dst, void *src, size_t size)
+{
+	MoveMemory(dst, src, size);
+}
+
+void CDb3Base::EncodeDBWrite(DWORD ofs, void *src, int size)
+{
+	DBWrite(ofs, src, size);
+}
+
+void CDb3Base::DecodeDBWrite(DWORD ofs, void *src, int size)
+{
+	DBWrite(ofs, src, size);
+}
-- 
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