public override DecryptResult Decrypt(DecryptParameters parameters, CancellationToken cancellationToken)
{
Argument.AssertNotNull(parameters, nameof(parameters));
if (MustRemote)
{
// A private key is required to decrypt. Send to the server.
KeysEventSource.Singleton.PrivateKeyRequired(nameof(Decrypt));
return(null);
}
EncryptionAlgorithm algorithm = parameters.Algorithm;
RSAEncryptionPadding padding = algorithm.GetRsaEncryptionPadding();
if (padding is null)
{
KeysEventSource.Singleton.AlgorithmNotSupported(nameof(Decrypt), algorithm);
return(null);
}
byte[] plaintext = Decrypt(parameters.Ciphertext, padding);
DecryptResult result = null;
if (plaintext != null)
{
result = new DecryptResult
{
Algorithm = algorithm,
KeyId = KeyMaterial.Id,
Plaintext = plaintext,
};
}
return(result);
}
public override EncryptResult Encrypt(EncryptParameters parameters, CancellationToken cancellationToken)
{
Argument.AssertNotNull(parameters, nameof(parameters));
ThrowIfTimeInvalid();
EncryptionAlgorithm algorithm = parameters.Algorithm;
RSAEncryptionPadding padding = algorithm.GetRsaEncryptionPadding();
if (padding is null)
{
KeysEventSource.Singleton.AlgorithmNotSupported(nameof(Encrypt), algorithm);
return(null);
}
byte[] ciphertext = Encrypt(parameters.Plaintext, padding);
EncryptResult result = null;
if (ciphertext != null)
{
result = new EncryptResult
{
Algorithm = algorithm,
Ciphertext = ciphertext,
KeyId = KeyMaterial.Id,
};
}
return(result);
}
public DecryptResult Decrypt(EncryptionAlgorithm algorithm, byte[] ciphertext, byte[] iv, byte[] authenticationData, byte[] authenticationTag, CancellationToken cancellationToken)
{
Argument.AssertNotNull(ciphertext, nameof(ciphertext));
RSAEncryptionPadding padding = algorithm.GetRsaEncryptionPadding();
byte[] plaintext = Decrypt(ciphertext, padding);
return(new DecryptResult
{
Algorithm = algorithm,
KeyId = _jwk.KeyId,
Plaintext = plaintext,
});
}
public override DecryptResult Decrypt(EncryptionAlgorithm algorithm, byte[] ciphertext, CancellationToken cancellationToken)
{
Argument.AssertNotNull(ciphertext, nameof(ciphertext));
RSAEncryptionPadding padding = algorithm.GetRsaEncryptionPadding();
byte[] plaintext = Decrypt(ciphertext, padding);
DecryptResult result = null;
if (plaintext != null)
{
result = new DecryptResult
{
Algorithm = algorithm,
KeyId = KeyMaterial.Id,
Plaintext = plaintext,
};
}
return(result);
}
public EncryptResult Encrypt(EncryptionAlgorithm algorithm, byte[] plaintext, byte[] iv, byte[] authenticationData, CancellationToken cancellationToken)
{
Argument.AssertNotNull(plaintext, nameof(plaintext));
RSAEncryptionPadding padding = algorithm.GetRsaEncryptionPadding();
byte[] ciphertext = Encrypt(plaintext, padding);
EncryptResult result = null;
if (ciphertext != null)
{
result = new EncryptResult
{
Algorithm = algorithm,
Ciphertext = ciphertext,
KeyId = _jwk.Id,
};
}
return(result);
}
public override EncryptResult Encrypt(EncryptionAlgorithm algorithm, byte[] plaintext, CancellationToken cancellationToken)
{
Argument.AssertNotNull(plaintext, nameof(plaintext));
ThrowIfTimeInvalid();
RSAEncryptionPadding padding = algorithm.GetRsaEncryptionPadding();
byte[] ciphertext = Encrypt(plaintext, padding);
EncryptResult result = null;
if (ciphertext != null)
{
result = new EncryptResult
{
Algorithm = algorithm,
Ciphertext = ciphertext,
KeyId = KeyMaterial.Id,
};
}
return(result);
}