/// <summary>
/// 构造函数
/// </summary>
public MACTripleDESEncrypt()
{
mact = new MACTripleDES();
}
public void ConstructorNameNullKeyNull()
{
algo = new MACTripleDES(null, null);
}
public HashAlgorithm CreateMACTripleDES() => MACTripleDES.Create();
public void ConstructorNameKey()
{
byte[] key = CombineKeys(key1, key2, key3);
algo = new MACTripleDES("TripleDES", key);
}
// LAMESPEC: [ExpectedException (typeof (ArgumentNullException))]
public void ConstructorNameNullKey()
{
byte[] key = CombineKeys(key1, key2, key3);
// funny null is a valid name!
algo = new MACTripleDES(null, key);
}
public void InvalidAlgorithmName()
{
byte[] key = CombineKeys(key1, key2, key3);
algo = new MACTripleDES("DES", key);
}
public void ConstructorEmpty()
{
algo = new MACTripleDES();
}
public static bool Test(Session session)
{
bool bRes = true;
byte[] plaintext = new byte[16];
for (int i = 0; i < plaintext.Length - 5; i++)
{
plaintext[i] = (byte)i;
}
for (int i = plaintext.Length - 5; i < plaintext.Length; i++)
{
plaintext[i] = (byte)0;
}
byte[] plaintext1 = new byte[plaintext.Length - 5];
for (int i = 0; i < plaintext1.Length; i++)
{
plaintext1[i] = (byte)i;
}
SymmetricAlgorithm td = new TripleDESCryptoServiceProvider(session);
td.Padding = PaddingMode.None;
td.IV = new byte[8];
ICryptoTransform sse = td.CreateEncryptor();
//MemoryStream ms = new MemoryStream(plaintext);
ICryptoTransform ct = td.CreateEncryptor();
//CryptoStream cs1 = new CryptoStream(ms, sse, CryptoStreamMode.Write);
//cs1.Write(plaintext, 0, plaintext.Length);
//cs1.FlushFinalBlock();
//Log.Comment(ms.Position);
//byte[] ciphertext = ms.ToArray();
//cs1.Close();
byte[] ciphertext = ct.TransformFinalBlock(plaintext, 0, plaintext.Length);
ct.Dispose();
Log.Comment("CipherText:");
PrintByteArray(ciphertext);
td.Padding = PaddingMode.Zeros;
ICryptoTransform sse1 = td.CreateEncryptor();
//MemoryStream ms1 = new MemoryStream();
//CryptoStream cs2 = new CryptoStream(ms1, sse1, CryptoStreamMode.Write);
//cs2.Write(plaintext1, 0, plaintext1.Length);
cs2.FlushFinalBlock();
Log.Comment(ms1.Position);
byte[] ciphertext1 = ms1.ToArray();
cs2.Close();
Log.Comment("CipherText #2:");
PrintByteArray(ciphertext1);
if (!Compare(ciphertext, ciphertext1))
{
bRes = false;
Log.Comment("WRONG: ciphertexts are different. Probably padding problems.");
}
MACTripleDES mtd = new MACTripleDES(td.Key);
byte[] hash = mtd.ComputeHash(plaintext1);
Log.Comment("Hash:");
PrintByteArray(hash);
byte[] subciphertext = new byte[8];
Array.Copy(ciphertext, ciphertext.Length - 8, subciphertext, 0, 8);
if (!Compare(subciphertext, hash))
{
Log.Comment("WRONG: MAC3DES result is different from the last block of ciphertext!");
bRes = false;
}
return(bRes);
}
public void ConstructorNameKey()
{
byte[] key = CombineKeys(key1, key2, key3);
algo = new MACTripleDES("TripleDES", key);
AssertNotNull("MACTripleDES ('TripleDES',key)", algo);
}
public void ConstructorEmpty()
{
algo = new MACTripleDES();
AssertNotNull("MACTripleDES ()", algo);
}
public MacTripleDesEncrypt()
{
_mact = new MACTripleDES();
}
/// <summary>ハッシュ（キー付き）サービスプロバイダの生成</summary>
/// <param name="ekha">ハッシュ（キー付き）サービスプロバイダの列挙型</param>
/// <param name="key">キー</param>
/// <returns>ハッシュ（キー付き）サービスプロバイダ</returns>
public static KeyedHashAlgorithm CreateKeyedHashAlgorithmSP(EnumKeyedHashAlgorithm ekha, byte[] key)
{
// ハッシュ（キー付き）サービスプロバイダ
KeyedHashAlgorithm kha = null;
// HMACSHA1.Create(); だと、全部、HMACSHA1になってしまう現象があったので、
// 全部、= new HMACSHA1(key); のスタイルに変更した。
if (ekha == EnumKeyedHashAlgorithm.Default)
{
// 既定の暗号化サービスプロバイダ
kha = new HMACSHA1(key); // devps(1703)
}
else if (ekha == EnumKeyedHashAlgorithm.HMACSHA1)
{
// HMACSHA1サービスプロバイダ
kha = new HMACSHA1(key); // devps(1703)
}
// -- ▼追加▼ --
else if (ekha == EnumKeyedHashAlgorithm.HMACMD5)
{
// HMACMD5サービスプロバイダ
kha = new HMACMD5(key);
}
else if (ekha == EnumKeyedHashAlgorithm.HMACRIPEMD160)
{
#if NETSTD
kha = null; // BouncyCastleを使用する。
#else
// HMACRIPEMD160サービスプロバイダ
kha = new HMACRIPEMD160(key);
#endif
}
else if (ekha == EnumKeyedHashAlgorithm.HMACSHA256)
{
// HMACSHA256サービスプロバイダ
kha = new HMACSHA256(key);
}
else if (ekha == EnumKeyedHashAlgorithm.HMACSHA384)
{
// HMACSHA384サービスプロバイダ
kha = new HMACSHA384(key);
}
else if (ekha == EnumKeyedHashAlgorithm.HMACSHA512)
{
// HMACSHA512サービスプロバイダ
kha = new HMACSHA512(key);
}
// -- ▲追加▲ --
else if (ekha == EnumKeyedHashAlgorithm.MACTripleDES)
{
#if NETSTD
kha = null; // BouncyCastleを使用する。
#else
// MACTripleDESサービスプロバイダ
kha = new MACTripleDES(key); // devps(1703)
#endif
}
else
{
throw new ArgumentException(
PublicExceptionMessage.ARGUMENT_INCORRECT, "EnumKeyedHashAlgorithm ekha");
}
return(kha);
}
