/// <summary>
/// Attempts to decrypt the contents of a data buffer.
/// If required, the user will be prompted for a password using the default pinentry program.
/// </summary>
/// <param name="cipher">A DataBuffer containing the data to be decrypted.</param>
/// <returns>A DataBuffer containing the decrypted data.</returns>
public GpgBuffer Decrypt(GpgBuffer cipher)
{
var output = MemoryGpgBuffer.Create();
ErrorHandler.Check(GpgMeWrapper.gpgme_op_decrypt(Handle, cipher.Handle, output.Handle));
output.Position = 0;
return(output);
}
/// <summary>
/// Attempts to encrypt the contents of a data buffer for multiple recipients.
/// </summary>
/// <param name="plain">A DataBuffer containing the plaintext data to be encrypted.</param>
/// <param name="recipients">The GPG keys for which the data should be encrypted.</param>
/// <param name="encryptFlags">The encryption flags to be used.</param>
/// <returns>A DataBuffer containing the encrypted data.</returns>
public GpgBuffer Encrypt(GpgBuffer plain, IEnumerable <GpgKey> recipients, EncryptFlags encryptFlags = EncryptFlags.None)
{
// Transform the recipient list into a list of GpgME key handles
var rcpHandles = recipients.Select(rcp => rcp.Handle).ToArray();
var output = MemoryGpgBuffer.Create();
ErrorHandler.Check(GpgMeWrapper.gpgme_op_encrypt(Handle, rcpHandles, encryptFlags, plain.Handle, output.Handle));
output.Position = 0;
return(output);
}
/// <summary>
/// Attempts to encrypt the contents of a data buffer for the given recipient.
/// </summary>
/// <param name="plain">A DataBuffer containing the plaintext data to be encrypted.</param>
/// <param name="recipient">The GPG key for which the data should be encrypted.</param>
/// <returns>A DataBuffer containing the encrypted data.</returns>
public GpgBuffer Encrypt(GpgBuffer plain, GpgKey recipient)
{
return(Encrypt(plain, new[] { recipient }));
}