/// <summary>
/// 加密文件
/// </summary>
/// <param name="inFile">待加密文件</param>
/// <param name="outFile">加密后输入文件</param>
/// <param name="password">加密密码</param>
public static void EncryptFile(string inFile, string outFile, string password)
{
using (FileStream fin = File.OpenRead(inFile),
fout = File.OpenWrite(outFile))
{
long lSize = fin.Length; // 输入文件长度
int size = (int)lSize;
byte[] bytes = new byte[BUFFER_SIZE]; // 缓存
int read = -1; // 输入文件读取数量
int value = 0;
// 获取IV和salt
byte[] IV = GenerateRandomBytes(16);
byte[] salt = GenerateRandomBytes(16);
// 创建加密对象
SymmetricAlgorithm sma = DESFileClass.CreateRijndael(password, salt);
sma.IV = IV;
// 在输出文件开始部分写入IV和salt
fout.Write(IV, 0, IV.Length);
fout.Write(salt, 0, salt.Length);
// 创建散列加密
HashAlgorithm hasher = SHA256.Create();
using (CryptoStream cout = new CryptoStream(fout, sma.CreateEncryptor(), CryptoStreamMode.Write),
chash = new CryptoStream(Stream.Null, hasher, CryptoStreamMode.Write))
{
BinaryWriter bw = new BinaryWriter(cout);
bw.Write(lSize);
bw.Write(FC_TAG);
// 读写字节块到加密流缓冲区
while ((read = fin.Read(bytes, 0, bytes.Length)) != 0)
{
cout.Write(bytes, 0, read);
chash.Write(bytes, 0, read);
value += read;
}
// 关闭加密流
chash.Flush();
chash.Close();
// 读取散列
byte[] hash = hasher.Hash;
// 输入文件写入散列
cout.Write(hash, 0, hash.Length);
// 关闭文件流
cout.Flush();
cout.Close();
}
}
}
/// <summary>
/// 将所有文件加密成xxx文件
/// </summary>
/// <param name="path"></param>
public void AllFile2xxx(string path)
{
string[] FilePath = Directory.GetDirectories(path);
string filename = string.Empty;
for (int i = 0; i < FilePath.Length; i++)
{
AllFile2xxx(FilePath[i]);
}
string[] Newfilepath = Directory.GetFiles(path);
for (int i = 0; i < Newfilepath.Length; i++)
{
string filepath = Path.GetFullPath(Newfilepath[i]);
string filerealpath = Path.GetDirectoryName(Newfilepath[i]) + "\\" + Path.GetFileNameWithoutExtension(Newfilepath[i]);
DESFileClass.EncryptFile(filepath, filerealpath + ".xxx", Global.FileEnKey);
}
}
/// <summary>
/// 从本地文件中读取文件信息，放进locallist列表
/// </summary>
/// <param name="path"></param>
public void SetLocalFileList(string path)
{
try
{
string[] FilePath = Directory.GetDirectories(path);
string filename = string.Empty;
for (int i = 0; i < FilePath.Length; i++)
{
SetLocalFileList(FilePath[i]);
}
string[] Newfilepath = Directory.GetFiles(path);
for (int i = 0; i < Newfilepath.Length; i++)
{
filename = Path.GetFullPath(Newfilepath[i]);
string fileRealName = Path.GetDirectoryName(Newfilepath[i]) + "\\" + Path.GetFileNameWithoutExtension(Newfilepath[i]);
string fileExName = Path.GetExtension(Newfilepath[i]);
if (string.Compare(fileExName, ".xxx") == 0)
{
string fileTempName = fileRealName + ".temp";
DESFileClass.DecryptFile(filename, fileTempName, Global.FileEnKey);
CommonData.Data data = new CommonData.Data
{
FilePath = fileRealName,
FileMD5 = GetMD5Content(fileTempName),
FileURL = ""
};
fileListLocal.DataList.Add(data);
}
}
string sysPath = System.Windows.Forms.Application.StartupPath;
}
catch (Exception ex)
{
Log.Error("[" + System.Reflection.MethodBase.GetCurrentMethod().DeclaringType.Name + "][" + System.Reflection.MethodBase.GetCurrentMethod().Name + "] err" + ex);
throw;
}
}
public int DoUpdateFileList(BeingUpdateFile beingupdateform)
{
int res = -1;
bool stepIsOk = true;
try
{
//fileListLocal.DataList=fileListUpdate.DataList+fileListAdd.DataList;
if (fileListUpdate.DataList.Count != 0 && fileListDelete.DataList.Count != 0 && fileListAdd.DataList.Count != 0)
{
return(res);
}
int totalCount = fileListUpdate.DataList.Count * 2 + fileListDelete.DataList.Count + fileListAdd.DataList.Count;
beingupdateform.SetMaxValue(10000 * (totalCount - 1) / totalCount);
int index = 0;
if (fileListUpdate.DataList.Count != 0)
{
foreach (CommonData.Data d in fileListUpdate.DataList)
{
CommonData.Data delData = FindDataByPath(fileListLocal, d.FilePath);
if (delData != null)
{
//int index = fileListLocal.DataList.IndexOf();
if (File.Exists(delData.FilePath + ".xxx"))
{
File.Delete(delData.FilePath + ".xxx");
fileListLocal.DataList.Remove(delData);
fileListAdd.DataList.Add(d);
if (File.Exists(delData.FilePath + ".temp"))
{
File.Delete(delData.FilePath + ".temp");
}
beingupdateform.SetTextMessage(10000 * index++ / totalCount);
}
else
{
stepIsOk = false;
break;
}
}
}
if (stepIsOk)
{
fileListUpdate.DataList.Clear();
}
}
if (fileListDelete.DataList.Count != 0)
{
foreach (CommonData.Data d in fileListDelete.DataList)
{
CommonData.Data data = FindDataByPath(fileListLocal, d.FilePath);
if (data != null)
{
//int index = fileListLocal.DataList.IndexOf();
if (File.Exists(data.FilePath + ".xxx"))
{
File.Delete(data.FilePath + ".xxx");
fileListLocal.DataList.Remove(data);
if (File.Exists(data.FilePath + ".temp"))
{
File.Delete(data.FilePath + ".temp");
}
beingupdateform.SetTextMessage(10000 * index++ / totalCount);
}
else
{
stepIsOk = false;
break;
}
}
}
if (stepIsOk)
{
fileListDelete.DataList.Clear();
}
}
if (fileListAdd.DataList.Count != 0)
{
foreach (CommonData.Data d in fileListAdd.DataList)
{
//Log.Info("Application.StartupPath + \"//\" + d.FilePath + \".temp\" = " + Application.StartupPath + "//" + d.FilePath + ".temp");
if (HttpDownload(d.FileURL, Application.StartupPath + "//" + d.FilePath + ".temp"))
{
DESFileClass.EncryptFile(Application.StartupPath + "//" + d.FilePath + ".temp", Application.StartupPath + "//" + d.FilePath + ".xxx", Global.FileEnKey);
fileListLocal.DataList.Add(d);
beingupdateform.SetTextMessage(10000 * index++ / totalCount);
}
else
{
stepIsOk = false;
break;
}
}
if (stepIsOk)
{
fileListAdd.DataList.Clear();
}
}
if (fileListUpdate.DataList.Count == 0 && fileListDelete.DataList.Count == 0 && fileListAdd.DataList.Count == 0)
{
res = 0;
}
}
catch (Exception ex)
{
Log.Error("[" + System.Reflection.MethodBase.GetCurrentMethod().DeclaringType.Name + "][" + System.Reflection.MethodBase.GetCurrentMethod().Name + "] err" + ex);
res = -1;
throw;
}
return(res);
}
