public ECDsaCng(CngKey key)
{
ArgumentNullException.ThrowIfNull(key);
if (!IsEccAlgorithmGroup(key.AlgorithmGroup))
{
throw new ArgumentException(SR.Cryptography_ArgECDsaRequiresECDsaKey, nameof(key));
}
Key = CngAlgorithmCore.Duplicate(key);
}
public RSACng(CngKey key)
{
ArgumentNullException.ThrowIfNull(key);
if (key.AlgorithmGroup != CngAlgorithmGroup.Rsa)
{
throw new ArgumentException(SR.Cryptography_ArgRSARequiresRSAKey, nameof(key));
}
Key = CngAlgorithmCore.Duplicate(key);
}
public ECDiffieHellmanCng(CngKey key)
{
ArgumentNullException.ThrowIfNull(key);
if (key.AlgorithmGroup != CngAlgorithmGroup.ECDiffieHellman)
{
throw new ArgumentException(SR.Cryptography_ArgECDHRequiresECDHKey, nameof(key));
}
Key = CngAlgorithmCore.Duplicate(key);
}
/// <summary>
/// Creates a new Gost3410Cng object that will use the specified key. The key's
/// <see cref="CngKey.AlgorithmGroup" /> must be Rsa. This constructor
/// creates a copy of the key. Hence, the caller can safely dispose of the
/// passed in key and continue using the Gost3410Cng object.
/// </summary>
/// <param name="key">Key to use for Gost3410 operations</param>
/// <exception cref="ArgumentException">if <paramref name="key" /> is not an Gost3410 key</exception>
/// <exception cref="ArgumentNullException">if <paramref name="key" /> is null.</exception>
public Gost3410Cng(CngKey key)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
if (key.AlgorithmGroup != CngAlgorithmGroup.Gost3410)
{
throw new ArgumentException(SR.Cryptography_ArgGost3410RequiresGost3410Key, nameof(key));
}
Key = CngAlgorithmCore.Duplicate(key);
}
/// <summary>
/// Creates a new ECDsaCng object that will use the specified key. The key's
/// <see cref="CngKey.AlgorithmGroup" /> must be ECDsa. This constructor
/// creates a copy of the key. Hence, the caller can safely dispose of the
/// passed in key and continue using the ECDsaCng object.
/// </summary>
/// <param name="key">Key to use for ECDsa operations</param>
/// <exception cref="ArgumentException">if <paramref name="key" /> is not an ECDsa key</exception>
/// <exception cref="ArgumentNullException">if <paramref name="key" /> is null.</exception>
public ECDsaCng(CngKey key)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
if (!IsEccAlgorithmGroup(key.AlgorithmGroup))
{
throw new ArgumentException(SR.Cryptography_ArgECDsaRequiresECDsaKey, "key");
}
Key = CngAlgorithmCore.Duplicate(key);
}
public DSACng(CngKey key)
{
if (key == null)
{
throw new ArgumentNullException(nameof(key));
}
if (key.AlgorithmGroup != CngAlgorithmGroup.Dsa)
{
throw new ArgumentException(SR.Cryptography_ArgDSARequiresDSAKey, nameof(key));
}
Key = CngAlgorithmCore.Duplicate(key);
}
/// <summary>
/// Creates a new RSACng object that will use the specified key. The key's
/// <see cref="CngKey.AlgorithmGroup" /> must be Rsa. This constructor
/// creates a copy of the key. Hence, the caller can safely dispose of the
/// passed in key and continue using the RSACng object.
/// </summary>
/// <param name="key">Key to use for RSA operations</param>
/// <exception cref="ArgumentException">if <paramref name="key" /> is not an RSA key</exception>
/// <exception cref="ArgumentNullException">if <paramref name="key" /> is null.</exception>
public RSACng(CngKey key)
{
if (key == null)
{
throw new ArgumentNullException("key");
}
if (key.AlgorithmGroup != CngAlgorithmGroup.Rsa)
{
throw new ArgumentException(SR.Cryptography_ArgRSAaRequiresRSAKey, "key");
}
Key = CngAlgorithmCore.Duplicate(key);
}