public override int GetIVSize(string algorithmUri)
{
string str;
if (((str = algorithmUri) == null) || (str != "http://www.w3.org/2001/04/xmlenc#aes128-cbc"))
{
throw InfoCardTrace.ThrowHelperError(new NotSupportedException(Microsoft.InfoCards.SR.GetString("ClientUnsupportedCryptoAlgorithm", new object[] { algorithmUri })));
}
RpcSymmetricCryptoParameters parameters = (RpcSymmetricCryptoParameters)this.m_cryptoHandle.Parameters;
return(parameters.blockSize);
}
//
// Summary:
// Returns the size of the initialization vector for the underlying crypto algorithm.
//
public override int GetIVSize(string algorithmUri)
{
int size;
switch (algorithmUri)
{
case SecurityAlgorithms.Aes128Encryption:
RpcSymmetricCryptoParameters param = (RpcSymmetricCryptoParameters)m_cryptoHandle.Parameters;
size = param.blockSize;
break;
default:
throw IDT.ThrowHelperError(new NotSupportedException(SR.GetString(SR.ClientUnsupportedCryptoAlgorithm, algorithmUri)));
}
return(size);
}
public InfoCardSymmetricCrypto(SymmetricCryptoHandle cryptoHandle)
{
this.m_cryptoHandle = (SymmetricCryptoHandle)cryptoHandle.Duplicate();
try
{
this.m_params = (RpcSymmetricCryptoParameters)this.m_cryptoHandle.Parameters;
}
catch
{
if (this.m_cryptoHandle != null)
{
this.m_cryptoHandle.Dispose();
this.m_cryptoHandle = null;
}
throw;
}
}
public InfoCardSymmetricCrypto(SymmetricCryptoHandle cryptoHandle)
{
this.m_cryptoHandle = (SymmetricCryptoHandle) cryptoHandle.Duplicate();
try
{
this.m_params = (RpcSymmetricCryptoParameters) this.m_cryptoHandle.Parameters;
}
catch
{
if (this.m_cryptoHandle != null)
{
this.m_cryptoHandle.Dispose();
this.m_cryptoHandle = null;
}
throw;
}
}
public InfoCardSymmetricAlgorithm(SymmetricCryptoHandle cryptoHandle)
{
this.m_cryptoHandle = (SymmetricCryptoHandle) cryptoHandle.Duplicate();
try
{
this.m_parameters = (RpcSymmetricCryptoParameters) this.m_cryptoHandle.Parameters;
base.KeySizeValue = this.m_parameters.keySize;
base.BlockSizeValue = this.m_parameters.blockSize;
base.FeedbackSizeValue = this.m_parameters.feedbackSize;
base.LegalBlockSizesValue = new KeySizes[] { new KeySizes(base.BlockSizeValue, base.BlockSizeValue, 0) };
base.LegalKeySizesValue = new KeySizes[] { new KeySizes(base.KeySizeValue, base.KeySizeValue, 0) };
}
catch
{
this.m_cryptoHandle.Dispose();
throw;
}
}
public InfoCardSymmetricAlgorithm(SymmetricCryptoHandle cryptoHandle)
{
this.m_cryptoHandle = (SymmetricCryptoHandle)cryptoHandle.Duplicate();
try
{
this.m_parameters = (RpcSymmetricCryptoParameters)this.m_cryptoHandle.Parameters;
base.KeySizeValue = this.m_parameters.keySize;
base.BlockSizeValue = this.m_parameters.blockSize;
base.FeedbackSizeValue = this.m_parameters.feedbackSize;
base.LegalBlockSizesValue = new KeySizes[] { new KeySizes(base.BlockSizeValue, base.BlockSizeValue, 0) };
base.LegalKeySizesValue = new KeySizes[] { new KeySizes(base.KeySizeValue, base.KeySizeValue, 0) };
}
catch
{
this.m_cryptoHandle.Dispose();
throw;
}
}
//
// Summary:
// Creates a new InfoCardSymmetricCrypto based on a SymmetricCryptoHandle
//
// Parameters:
// cryptoHandle - A handle to the symmetric key on which to base this object.
//
public InfoCardSymmetricCrypto(SymmetricCryptoHandle cryptoHandle)
: base()
{
m_cryptoHandle = (SymmetricCryptoHandle)cryptoHandle.Duplicate();
try
{
m_params = (RpcSymmetricCryptoParameters)m_cryptoHandle.Parameters;
}
catch
{
if (null != m_cryptoHandle)
{
m_cryptoHandle.Dispose();
m_cryptoHandle = null;
}
throw;
}
}
//
// Summary:
// Creates a new InfoCardSymmetricCrypto based on a SymmetricCryptoHandle
//
// Parameters:
// cryptoHandle - A handle to the symmetric key on which to base this object.
//
public InfoCardSymmetricCrypto(SymmetricCryptoHandle cryptoHandle)
: base()
{
m_cryptoHandle = (SymmetricCryptoHandle)cryptoHandle.Duplicate();
try
{
m_params = (RpcSymmetricCryptoParameters)m_cryptoHandle.Parameters;
}
catch
{
if (null != m_cryptoHandle)
{
m_cryptoHandle.Dispose();
m_cryptoHandle = null;
}
throw;
}
}
//
// Summary:
// Constructs an InfoCardSymmetricAlgorithm
//
// Parameters:
// cryptoHandle - A handle to the symmetric key to base the symmetric algorithm on.
//
public InfoCardSymmetricAlgorithm(SymmetricCryptoHandle cryptoHandle)
: base()
{
m_cryptoHandle = (SymmetricCryptoHandle)cryptoHandle.Duplicate();
try
{
m_parameters = (RpcSymmetricCryptoParameters)m_cryptoHandle.Parameters;
KeySizeValue = m_parameters.keySize;
BlockSizeValue = m_parameters.blockSize;
FeedbackSizeValue = m_parameters.feedbackSize;
LegalBlockSizesValue = new KeySizes[] { new KeySizes(BlockSizeValue, BlockSizeValue, 0) };
LegalKeySizesValue = new KeySizes[] { new KeySizes(KeySizeValue, KeySizeValue, 0) };
}
catch
{
m_cryptoHandle.Dispose();
throw;
}
}
//
// Summary:
// Constructs an InfoCardSymmetricAlgorithm
//
// Parameters:
// cryptoHandle - A handle to the symmetric key to base the symmetric algorithm on.
//
public InfoCardSymmetricAlgorithm(SymmetricCryptoHandle cryptoHandle)
: base()
{
m_cryptoHandle = (SymmetricCryptoHandle)cryptoHandle.Duplicate();
try
{
m_parameters = (RpcSymmetricCryptoParameters)m_cryptoHandle.Parameters;
KeySizeValue = m_parameters.keySize;
BlockSizeValue = m_parameters.blockSize;
FeedbackSizeValue = m_parameters.feedbackSize;
LegalBlockSizesValue = new KeySizes[] { new KeySizes(BlockSizeValue, BlockSizeValue, 0) };
LegalKeySizesValue = new KeySizes[] { new KeySizes(KeySizeValue, KeySizeValue, 0) };
}
catch
{
m_cryptoHandle.Dispose();
throw;
}
}
