// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
+#if !MOONLIGHT
+
using System.IO;
using System.Globalization;
using System.Runtime.InteropServices;
namespace System.Security.Cryptography {
-#if NET_2_0
[ComVisible (true)]
public sealed class DSACryptoServiceProvider : DSA, ICspAsymmetricAlgorithm {
-#elif NET_1_1
- public sealed class DSACryptoServiceProvider : DSA {
-#else
- public class DSACryptoServiceProvider : DSA {
-#endif
private const int PROV_DSS_DH = 13; // from WinCrypt.h
private KeyPairPersistence store;
persistKey = (parameters != null);
if (parameters == null) {
parameters = new CspParameters (PROV_DSS_DH);
-#if NET_1_1
if (useMachineKeyStore)
parameters.Flags |= CspProviderFlags.UseMachineKeyStore;
-#endif
store = new KeyPairPersistence (parameters);
// no need to load - it cannot exists
}
get { return dsa.KeySize; }
}
-#if !NET_2_0
- public override KeySizes[] LegalKeySizes {
- get { return LegalKeySizesValue; }
- }
-#endif
-
public bool PersistKeyInCsp {
get { return persistKey; }
set { persistKey = value; }
}
-#if NET_2_0
[ComVisible (false)]
- public
-#else
- internal
-#endif
- bool PublicOnly {
+ public bool PublicOnly {
get { return dsa.PublicOnly; }
}
get { return "http://www.w3.org/2000/09/xmldsig#dsa-sha1"; }
}
-#if NET_1_1
- private static bool useMachineKeyStore = false;
+ private static bool useMachineKeyStore;
public static bool UseMachineKeyStore {
get { return useMachineKeyStore; }
set { useMachineKeyStore = value; }
}
-#endif
public override DSAParameters ExportParameters (bool includePrivateParameters)
{
return dsa.CreateSignature (rgbHash);
}
- public byte[] SignData (byte[] data)
+ public byte[] SignData (byte[] buffer)
{
// right now only SHA1 is supported by FIPS186-2
HashAlgorithm hash = SHA1.Create ();
- byte[] toBeSigned = hash.ComputeHash (data);
+ byte[] toBeSigned = hash.ComputeHash (buffer);
return dsa.CreateSignature (toBeSigned);
}
- public byte[] SignData (byte[] data, int offset, int count)
+ public byte[] SignData (byte[] buffer, int offset, int count)
{
// right now only SHA1 is supported by FIPS186-2
HashAlgorithm hash = SHA1.Create ();
- byte[] toBeSigned = hash.ComputeHash (data, offset, count);
+ byte[] toBeSigned = hash.ComputeHash (buffer, offset, count);
return dsa.CreateSignature (toBeSigned);
}
persisted = true;
}
}
-#if NET_2_0
// ICspAsymmetricAlgorithm
[MonoTODO ("call into KeyPairPersistence to get details")]
get { return null; }
}
- [MonoTODO ("call into CryptoConvert (doesn't currently support DSA)")]
[ComVisible (false)]
public byte[] ExportCspBlob (bool includePrivateParameters)
{
- throw new NotImplementedException ("CryptoConvert doesn't currently support DSA");
+ byte[] blob = null;
+ if (includePrivateParameters)
+ blob = CryptoConvert.ToCapiPrivateKeyBlob (this);
+ else
+ blob = CryptoConvert.ToCapiPublicKeyBlob (this);
+ return blob;
}
- [MonoTODO ("call into CryptoConvert (doesn't currently support DSA)")]
[ComVisible (false)]
- public void ImportCspBlob (byte[] rawData)
+ public void ImportCspBlob (byte[] keyBlob)
{
- if (rawData == null)
- throw new ArgumentNullException ("rawData");
- throw new NotImplementedException ("CryptoConvert doesn't currently support DSA");
+ if (keyBlob == null)
+ throw new ArgumentNullException ("keyBlob");
+ DSA dsa = CryptoConvert.FromCapiKeyBlobDSA (keyBlob);
+ if (dsa is DSACryptoServiceProvider) {
+ DSAParameters dsap = dsa.ExportParameters (!(dsa as DSACryptoServiceProvider).PublicOnly);
+ ImportParameters (dsap);
+ } else {
+ // we can't know from DSA if the private key is available
+ try {
+ // so we try it...
+ DSAParameters dsap = dsa.ExportParameters (true);
+ ImportParameters (dsap);
+ }
+ catch {
+ // and fall back
+ DSAParameters dsap = dsa.ExportParameters (false);
+ ImportParameters (dsap);
+ }
+ }
}
-#endif
}
}
+
+#endif
+