/// <summary>
/// Encrypts the specified plain data.
/// </summary>
/// <param name="plainData">The plain data.</param>
/// <param name="remotePublicKeyXML">The remote public key XML.</param>
/// <returns>
/// The encrypted data.
/// </returns>
/// <externalUnit/>
/// <revision revisor="dev01" date="1/26/2009" version="1.0.5.7">
/// Member Created
/// </revision>
public byte[] Encrypt(
byte[] plainData,
string remotePublicKeyXML)
{
// Ecnrypted data placeholder
byte[] encryptedData = null;
//Calculate the hash and append it to the data
byte[] dataPlusHash =
SequoiaCryptoProvider.AppendArrays(
this.CalculateHash(plainData),
plainData);
// Symmetrically Encrypt data and hash with random key and IV
byte[] encryptedDataPlusHash =
this.SymmetricallyEncryptContent(dataPlusHash);
// Create an Encrypted transport Key
var transKey = new TransportKey(
this.SymmetricCrypto.Key,
this.SymmetricCrypto.IV,
this);
// Add transport Key to ecnrypted data
encryptedData =
SequoiaCryptoProvider.AppendArrays(
transKey.GenerateTransportKey(remotePublicKeyXML),
encryptedDataPlusHash);
return(encryptedData);
}
/// <summary>
/// Generates the transport key.
/// </summary>
/// <param name="remotePublicKeyXML">The remote public key XML.</param>
/// <returns>
/// The transport key.
/// </returns>
/// <externalUnit cref="AsymmetricAlgorithm"/>
/// <revision revisor="dev01" date="1/30/2009" version="1.0.5.11">
/// Member Created
/// </revision>
public byte[] GenerateTransportKey(string remotePublicKeyXML)
{
if (encrypted == false)
{
this.encryptedData =
SequoiaCryptoProvider.AppendArrays(
this.AsymmetricallyEncryptContent(
this.key, remotePublicKeyXML),
this.AsymmetricallyEncryptContent(
this.initializationVector, remotePublicKeyXML));
encrypted = true;
}
return(this.encryptedData);
}