public static byte[] EncryptPgp(byte[] input, byte[] publicKey)
{
using (MemoryStream publicKeyStream = new MemoryStream(publicKey))
using (MemoryStream outputStream = new MemoryStream())
using (MemoryStream encryptedBytes = new MemoryStream())
{
using (Stream s = new PgpLiteralDataGenerator().Open(outputStream, PgpLiteralData.Binary, PgpLiteralDataGenerator.Console, input.Length, DateTime.Now))
using (Stream inputStream = new MemoryStream(input))
{
s.Write(input, 0, input.Length);
}
PgpPublicKey pubKey = ReadPublicKey(publicKeyStream);
PgpEncryptedDataGenerator dataGenerator = new PgpEncryptedDataGenerator(SymmetricKeyAlgorithmTag.Aes256, true, new SecureRandom());
dataGenerator.AddMethod(pubKey);
byte[] output = outputStream.ToArray();
using (Stream dgenStream = dataGenerator.Open(encryptedBytes, output.Length)) {
dgenStream.Write(output, 0, output.Length);
}
dataGenerator.Close();
return(encryptedBytes.ToArray());
}
}
internal static byte[] Compress(string input, CompressionAlgorithmTag algorithmTag)
{
byte[] inputData = Encoding.Default.GetBytes(input);
using (MemoryStream memoryStream = new MemoryStream())
{
PgpCompressedDataGenerator compressedDataGenerator = new PgpCompressedDataGenerator(algorithmTag);
using (Stream compressedStream = compressedDataGenerator.Open(memoryStream))
using (Stream outputStream = new PgpLiteralDataGenerator().Open(compressedStream, PgpLiteralData.Binary, PgpLiteralData.Console, inputData.Length, DateTime.Now))
{
outputStream.Write(inputData, 0, inputData.Length);
}
compressedDataGenerator.Close();
return(memoryStream.ToArray());
}
}
