//文件加密
public int EncryptionFile(string filePath, string DesFilePath)
{
cryTool tool = new cryTool(symmetry);
tool.SetKey(k2);
tool.SetIV(k3);
tool.EncryFileNoIV(filePath, DesFilePath);
return(0);
}
//密钥生成
public int GenKey(KeySize size)
{
int keySize = 0;
switch (size)
{
case KeySize.size_128:
keySize = 128;
symmetry = cryTool.Cry_KeySize.Key_128;
break;
case KeySize.size_192:
keySize = 192;
symmetry = cryTool.Cry_KeySize.Key_192;
break;
case KeySize.size_256:
keySize = 256;
symmetry = cryTool.Cry_KeySize.Key_256;
break;
default:
keySize = 128;
symmetry = cryTool.Cry_KeySize.Key_128;
break;
}
k1 = new byte[keySize / 8];
//生成k1密钥
using (RNGCryptoServiceProvider rng = new RNGCryptoServiceProvider())
{
rng.GetBytes(k1);
}
//生成K2密钥
cryTool tool = new cryTool(symmetry);
k2 = tool.GenerateKey();
k3 = tool.GenerateIV();
//初始化
history = new List <string>();
rw = new Dictionary <string, List <string> >();
rf = new Dictionary <string, List <string> >();
return(0);
}
