static void DES_BLOCK_TEST()
{
string strPlain =
"C#[b] (/si: ʃɑːrp/) is a multi-paradigm programming language " +
"encompassing strong typing, imperative, declarative, functional," +
" generic, object-oriented (class-based), and component-oriented " +
"programming disciplines. It was developed around 2000 by Micros" +
"oft within its .NET initiative and later approved as a standard" +
" by Ecma (ECMA-334) and ISO (ISO/IEC 23270:2006). C# is one of " +
"the programming languages designed for the Common Language Infr" +
"astructure.C# is a general-purpose, object-oriented programming " +
"language. Its development team is led by Anders Hejlsberg. The m" +
"ost recent version is C# 7.3, which was released in 2018 alongsi" +
"de Visual Studio 2017 version 15.7.2.";
byte[] baPlain = Encoding.Unicode.GetBytes(strPlain);
ulong key = 0x0123456789ABCDEF;
DES_lib.Mode[] modes = new DES_lib.Mode[] { DES_lib.Mode.ECB, DES_lib.Mode.CBC, DES_lib.Mode.CFB, DES_lib.Mode.OFB, DES_lib.Mode.PCBC };
foreach (DES_lib.Mode m in modes)
{
byte[] baCipher = DES_Main.EncryptBlockB(baPlain, key, key, m);
byte[] baResult = DES_Main.DecryptBlockB(baCipher, key, key, m);
Console.WriteLine(Encoding.Unicode.GetChars(baResult));
Console.WriteLine("**************************************************");
}
}
public byte[] DES_Crypt(bool action, byte[] baData, ulong ulKey, ulong ulIV, int mode)
{
if (action)
{
return(DES_Main.DecryptBlockB(baData, ulKey, ulIV, (DES_lib.Mode)mode));
}
else
{
return(DES_Main.EncryptBlockB(baData, ulKey, ulIV, (DES_lib.Mode)mode));
}
}