//
-// System.Security.Cryptography.DES
+// System.Security.Cryptography.DES.cs
//
// Author:
// Sergey Chaban (serge@wildwestsoftware.com)
namespace System.Security.Cryptography {
-#if NET_2_0
[ComVisible (true)]
-#endif
public abstract class DES : SymmetricAlgorithm {
private const int keySizeByte = 8;
-#if NET_2_0
protected DES ()
-#else
- public DES ()
-#endif
{
KeySizeValue = 64;
BlockSizeValue = 64;
public static new DES Create ()
{
+#if FULL_AOT_RUNTIME
+ return new System.Security.Cryptography.DESCryptoServiceProvider ();
+#else
return Create ("System.Security.Cryptography.DES");
+#endif
}
- public static new DES Create (string algo)
+ public static new DES Create (string algName)
{
- return (DES) CryptoConfig.CreateFromName (algo);
+ return (DES) CryptoConfig.CreateFromName (algName);
}
// Ek1(Ek2(m)) = m
internal static readonly byte[,] semiWeakKeys = {
- { 0x00, 0x1E, 0x00, 0x1E, 0x00, 0x0E, 0x00, 0x0E }, // map to packed key 011F011F010E010E\r
- { 0x00, 0xE0, 0x00, 0xE0, 0x00, 0xF0, 0x00, 0xF0 }, // map to packed key 01E001E001F101F1\r
- { 0x00, 0xFE, 0x00, 0xFE, 0x00, 0xFE, 0x00, 0xFE }, // map to packed key 01FE01FE01FE01FE\r
- { 0x1E, 0x00, 0x1E, 0x00, 0x0E, 0x00, 0x0E, 0x00 }, // map to packed key 1F011F010E010E01\r
- { 0x1E, 0xE0, 0x1E, 0xE0, 0x0E, 0xF0, 0x0E, 0xF0 }, // map to packed key 1FE01FE00EF10EF1\r
- { 0x1E, 0xFE, 0x1E, 0xFE, 0x0E, 0xFE, 0x0E, 0xFE }, // map to packed key 1FFE1FFE0EFE0EFE\r
- { 0xE0, 0x00, 0xE0, 0x00, 0xF0, 0x00, 0xF0, 0x00 }, // map to packed key E001E001F101F101\r
- { 0xE0, 0x1E, 0xE0, 0x1E, 0xF0, 0x0E, 0xF0, 0x0E }, // map to packed key E01FE01FF10EF10E\r
- { 0xE0, 0xFE, 0xE0, 0xFE, 0xF0, 0xFE, 0xF0, 0xFE }, // map to packed key E0FEE0FEF1FEF1FE\r
- { 0xFE, 0x00, 0xFE, 0x00, 0xFE, 0x00, 0xFE, 0x00 }, // map to packed key FE01FE01FE01FE01\r
- { 0xFE, 0x1E, 0xFE, 0x1E, 0xFE, 0x0E, 0xFE, 0x0E }, // map to packed key FE1FFE1FFE0EFE0E\r
- { 0xFE, 0xE0, 0xFE, 0xE0, 0xFE, 0xF0, 0xFE, 0xF0 }, // map to packed key FEE0FEE0FEF1FEF1\r
- };\r
+ { 0x00, 0x1E, 0x00, 0x1E, 0x00, 0x0E, 0x00, 0x0E }, // map to packed key 011F011F010E010E
+ { 0x00, 0xE0, 0x00, 0xE0, 0x00, 0xF0, 0x00, 0xF0 }, // map to packed key 01E001E001F101F1
+ { 0x00, 0xFE, 0x00, 0xFE, 0x00, 0xFE, 0x00, 0xFE }, // map to packed key 01FE01FE01FE01FE
+ { 0x1E, 0x00, 0x1E, 0x00, 0x0E, 0x00, 0x0E, 0x00 }, // map to packed key 1F011F010E010E01
+ { 0x1E, 0xE0, 0x1E, 0xE0, 0x0E, 0xF0, 0x0E, 0xF0 }, // map to packed key 1FE01FE00EF10EF1
+ { 0x1E, 0xFE, 0x1E, 0xFE, 0x0E, 0xFE, 0x0E, 0xFE }, // map to packed key 1FFE1FFE0EFE0EFE
+ { 0xE0, 0x00, 0xE0, 0x00, 0xF0, 0x00, 0xF0, 0x00 }, // map to packed key E001E001F101F101
+ { 0xE0, 0x1E, 0xE0, 0x1E, 0xF0, 0x0E, 0xF0, 0x0E }, // map to packed key E01FE01FF10EF10E
+ { 0xE0, 0xFE, 0xE0, 0xFE, 0xF0, 0xFE, 0xF0, 0xFE }, // map to packed key E0FEE0FEF1FEF1FE
+ { 0xFE, 0x00, 0xFE, 0x00, 0xFE, 0x00, 0xFE, 0x00 }, // map to packed key FE01FE01FE01FE01
+ { 0xFE, 0x1E, 0xFE, 0x1E, 0xFE, 0x0E, 0xFE, 0x0E }, // map to packed key FE1FFE1FFE0EFE0E
+ { 0xFE, 0xE0, 0xFE, 0xE0, 0xFE, 0xF0, 0xFE, 0xF0 }, // map to packed key FEE0FEE0FEF1FEF1
+ };
public static bool IsWeakKey (byte[] rgbKey)
{
-#if NET_2_0
if (rgbKey == null)
throw new CryptographicException (Locale.GetText ("Null Key"));
-#endif
if (rgbKey.Length != keySizeByte)
throw new CryptographicException (Locale.GetText ("Wrong Key Length"));
public static bool IsSemiWeakKey (byte[] rgbKey)
{
-#if NET_2_0
if (rgbKey == null)
throw new CryptographicException (Locale.GetText ("Null Key"));
-#endif
if (rgbKey.Length != keySizeByte)
throw new CryptographicException (Locale.GetText ("Wrong Key Length"));
}
}
+