public DSACryptoServiceProvider(int dwKeySize, CspParameters parameters)
{
LegalKeySizesValue = new KeySizes [1];
LegalKeySizesValue [0] = new KeySizes(512, 1024, 64);
// will throw an exception is key size isn't supported
KeySize = dwKeySize;
dsa = new DSAManaged(dwKeySize);
dsa.KeyGenerated += new DSAManaged.KeyGeneratedEventHandler(OnKeyGenerated);
persistKey = (parameters != null);
if (parameters == null)
{
parameters = new CspParameters(PROV_DSS_DH);
if (useMachineKeyStore)
{
parameters.Flags |= CspProviderFlags.UseMachineKeyStore;
}
store = new KeyPairPersistence(parameters);
// no need to load - it cannot exists
}
else
{
store = new KeyPairPersistence(parameters);
store.Load();
if (store.KeyValue != null)
{
persisted = true;
this.FromXmlString(store.KeyValue);
}
}
}
void Common(int dwKeySize, bool parameters)
{
// Microsoft RSA CSP can do between 384 and 16384 bits keypair
LegalKeySizesValue = new KeySizes [1];
LegalKeySizesValue [0] = new KeySizes(384, 16384, 8);
base.KeySize = dwKeySize;
rsa = new RSAManaged(KeySize);
rsa.KeyGenerated += new RSAManaged.KeyGeneratedEventHandler(OnKeyGenerated);
persistKey = parameters;
if (parameters)
{
return;
}
// no need to load - it cannot exists
var p = new CspParameters(PROV_RSA_FULL);
if (useMachineKeyStore)
{
p.Flags |= CspProviderFlags.UseMachineKeyStore;
}
store = new KeyPairPersistence(p);
}
private void Common(int dwKeySize, CspParameters p)
{
// Microsoft RSA CSP can do between 384 and 16384 bits keypair
LegalKeySizesValue = new KeySizes [1];
LegalKeySizesValue [0] = new KeySizes(384, 16384, 8);
base.KeySize = dwKeySize;
rsa = new RSAManaged(KeySize);
rsa.KeyGenerated += new RSAManaged.KeyGeneratedEventHandler(OnKeyGenerated);
persistKey = (p != null);
if (p == null)
{
p = new CspParameters(PROV_RSA_FULL);
#if NET_1_1
if (useMachineKeyStore)
{
p.Flags |= CspProviderFlags.UseMachineKeyStore;
}
#endif
store = new KeyPairPersistence(p);
// no need to load - it cannot exists
}
else
{
store = new KeyPairPersistence(p);
store.Load();
if (store.KeyValue != null)
{
persisted = true;
this.FromXmlString(store.KeyValue);
}
}
}
void Common(int dwKeySize, bool parameters)
{
LegalKeySizesValue = new KeySizes [1];
LegalKeySizesValue [0] = new KeySizes(512, 1024, 64);
// will throw an exception is key size isn't supported
KeySize = dwKeySize;
dsa = new DSAManaged(dwKeySize);
dsa.KeyGenerated += new DSAManaged.KeyGeneratedEventHandler(OnKeyGenerated);
persistKey = parameters;
if (parameters)
{
return;
}
var p = new CspParameters(PROV_DSS_DH);
if (useMachineKeyStore)
{
p.Flags |= CspProviderFlags.UseMachineKeyStore;
}
store = new KeyPairPersistence(p);
// no need to load - it cannot exists
}
private void Common(int dwKeySize, CspParameters p)
{
this.LegalKeySizesValue = new KeySizes[1];
this.LegalKeySizesValue[0] = new KeySizes(384, 16384, 8);
base.KeySize = dwKeySize;
this.rsa = new RSAManaged(this.KeySize);
this.rsa.KeyGenerated += this.OnKeyGenerated;
this.persistKey = (p != null);
if (p == null)
{
p = new CspParameters(1);
if (RSACryptoServiceProvider.useMachineKeyStore)
{
p.Flags |= CspProviderFlags.UseMachineKeyStore;
}
this.store = new KeyPairPersistence(p);
}
else
{
this.store = new KeyPairPersistence(p);
this.store.Load();
if (this.store.KeyValue != null)
{
this.persisted = true;
this.FromXmlString(this.store.KeyValue);
}
}
}
/// <summary>Initializes a new instance of the <see cref="T:System.Security.Cryptography.DSACryptoServiceProvider" /> class with the specified key size and parameters for the cryptographic service provider (CSP).</summary>
/// <param name="dwKeySize">The size of the key for the cryptographic algorithm in bits. </param>
/// <param name="parameters">The parameters for the CSP. </param>
/// <exception cref="T:System.Security.Cryptography.CryptographicException">The CSP cannot be acquired.-or- The key cannot be created. </exception>
/// <exception cref="T:System.ArgumentOutOfRangeException">
/// <paramref name="dwKeySize" /> is out of range.</exception>
public DSACryptoServiceProvider(int dwKeySize, CspParameters parameters)
{
this.LegalKeySizesValue = new KeySizes[1];
this.LegalKeySizesValue[0] = new KeySizes(512, 1024, 64);
this.KeySize = dwKeySize;
this.dsa = new DSAManaged(dwKeySize);
this.dsa.KeyGenerated += this.OnKeyGenerated;
this.persistKey = (parameters != null);
if (parameters == null)
{
parameters = new CspParameters(13);
if (DSACryptoServiceProvider.useMachineKeyStore)
{
parameters.Flags |= CspProviderFlags.UseMachineKeyStore;
}
this.store = new KeyPairPersistence(parameters);
}
else
{
this.store = new KeyPairPersistence(parameters);
this.store.Load();
if (this.store.KeyValue != null)
{
this.persisted = true;
this.FromXmlString(this.store.KeyValue);
}
}
}
void Common(CspParameters parameters)
{
store = new KeyPairPersistence(parameters);
store.Load();
if (store.KeyValue != null)
{
persisted = true;
this.FromXmlString(store.KeyValue);
}
}
void Common(CspParameters parameters)
{
store = new KeyPairPersistence(parameters);
store.Load();
if (store.KeyValue != null)
{
persisted = true;
this.FromXmlString(store.KeyValue);
}
privateKeyExportable = (parameters.Flags & CspProviderFlags.UseNonExportableKey) == 0;
}
void Common(CspParameters p)
{
store = new KeyPairPersistence(p);
bool exists = store.Load();
bool required = (p.Flags & CspProviderFlags.UseExistingKey) != 0;
if (required && !exists)
{
throw new CryptographicException("Keyset does not exist");
}
if (store.KeyValue != null)
{
persisted = true;
FromXmlString(store.KeyValue);
}
}
private void Common(int dwKeySize, CspParameters p)
{
// Microsoft RSA CSP can do between 384 and 16384 bits keypair
LegalKeySizesValue = new KeySizes [1];
LegalKeySizesValue [0] = new KeySizes(384, 16384, 8);
base.KeySize = dwKeySize;
rsa = new RSAManaged(KeySize);
rsa.KeyGenerated += new RSAManaged.KeyGeneratedEventHandler(OnKeyGenerated);
persistKey = (p != null);
if (p == null)
{
p = new CspParameters(PROV_RSA_FULL);
if (useMachineKeyStore)
{
p.Flags |= CspProviderFlags.UseMachineKeyStore;
}
store = new KeyPairPersistence(p);
// no need to load - it cannot exists
}
else
{
store = new KeyPairPersistence(p);
bool exists = store.Load();
bool required = (p.Flags & CspProviderFlags.UseExistingKey) != 0;
if (required && !exists)
{
throw new CryptographicException("Keyset does not exist");
}
if (store.KeyValue != null)
{
persisted = true;
this.FromXmlString(store.KeyValue);
}
}
}
public void ImportCspBlob(byte[] keyBlob)
{
if (keyBlob == null)
{
throw new ArgumentNullException("keyBlob");
}
RSA rsa = CryptoConvert.FromCapiKeyBlob(keyBlob);
if (rsa is RSACryptoServiceProvider)
{
// default (if no change are present in machine.config)
RSAParameters rsap = rsa.ExportParameters(!(rsa as RSACryptoServiceProvider).PublicOnly);
ImportParameters(rsap);
}
else
{
// we can't know from RSA if the private key is available
try {
// so we try it...
RSAParameters rsap = rsa.ExportParameters(true);
ImportParameters(rsap);
}
catch {
// and fall back
RSAParameters rsap = rsa.ExportParameters(false);
ImportParameters(rsap);
}
}
var p = new CspParameters(PROV_RSA_FULL);
p.KeyNumber = keyBlob [5] == 0x24 ? AT_SIGNATURE : AT_KEYEXCHANGE;
if (useMachineKeyStore)
{
p.Flags |= CspProviderFlags.UseMachineKeyStore;
}
store = new KeyPairPersistence(p);
}
