private Stream ChainLiteralOut(Stream compressedOut, FileInfo file)
{
PgpLiteralDataGenerator pgpLiteralDataGenerator = new PgpLiteralDataGenerator();
#if NETCOREAPP2_0
return(pgpLiteralDataGenerator.Open(compressedOut, FileTypeToChar(), file.Name, file.Length, DateTime.Now));
#else
return(pgpLiteralDataGenerator.Open(compressedOut, FileTypeToChar(), file));
#endif
}
public string Encrypt(string filename, byte[] data, PgpPublicKey publicKey)
{
using (MemoryStream encOut = new MemoryStream(), bOut = new MemoryStream()) {
var comData = new PgpCompressedDataGenerator(CompressionAlgorithmTag.Zip);
var cos = comData.Open(bOut); // open it with the final destination
var lData = new PgpLiteralDataGenerator();
var pOut = lData.Open(
cos, // the compressed output stream
PgpLiteralData.Binary,
filename, // "filename" to store
data.Length, // length of clear data
DateTime.UtcNow // current time
);
pOut.Write(data, 0, data.Length);
lData.Close();
comData.Close();
var cPk = new PgpEncryptedDataGenerator(SymmetricKeyAlgorithmTag.Cast5, true, new SecureRandom());
cPk.AddMethod(publicKey);
byte[] bytes = bOut.ToArray();
var s = new ArmoredOutputStream(encOut);
var cOut = cPk.Open(s, bytes.Length);
cOut.Write(bytes, 0, bytes.Length); // obtain the actual bytes from the compressed stream
cOut.Close();
s.Close();
encOut.Seek(0, SeekOrigin.Begin);
var reader = new StreamReader(encOut);
return(reader.ReadToEnd());
}
}
public static byte[] EncryptForKeys(byte[] data, List <PgpPublicKey> keys, string filename = "encrypted-data.gpg")
{
using (MemoryStream encOut = new MemoryStream(), bOut = new MemoryStream()) {
// region Compression
var comData = new PgpCompressedDataGenerator(CompressionAlgorithmTag.Zip);
var cos = comData.Open(bOut);
var lData = new PgpLiteralDataGenerator();
var pOut = lData.Open(
cos,
PgpLiteralData.Binary,
filename,
data.Length,
DateTime.UtcNow
);
pOut.Write(data, 0, data.Length);
lData.Close();
comData.Close();
byte[] bytes = bOut.ToArray();
// endregion
// region Encryption
var cPk = new PgpEncryptedDataGenerator(SymmetricKeyAlgorithmTag.Aes256, true, new SecureRandom());
keys.ForEach(cPk.AddMethod);
var cOut = cPk.Open(encOut, bytes.Length);
cOut.Write(bytes, 0, bytes.Length); // obtain the actual bytes from the compressed stream
cOut.Close();
encOut.Seek(0, SeekOrigin.Begin);
return(encOut.ToArray());
// endregion
}
}
private static Stream ChainLiteralOut(Stream encryptedOut, FileInfo file)
{
PgpLiteralDataGenerator pgpLiteralDataGenerator = new PgpLiteralDataGenerator();
return(pgpLiteralDataGenerator.Open(encryptedOut, PgpLiteralData.Binary,
file));
}
/// <summary>Write out the passed in file as a literal data packet in partial packet format.</summary>
public static void WriteFileToLiteralData(
Stream inputStream,
Stream outputStream,
char fileType,
string fileName,
byte[] buffer)
{
if (fileName == null)
{
fileName = "fileName";
}
try
{
PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator();
Stream pOut = lData.Open(outputStream, fileType, fileName, DateTime.Now, buffer);
byte[] buf = new byte[buffer.Length];
int len;
while ((len = inputStream.Read(buf, 0, buf.Length)) > 0)
{
pOut.Write(buf, 0, len);
}
lData.Close();
}
finally
{
inputStream.Dispose();
}
}
/*.......................................................................數位簽章開始*/
private static void SignFile(
string fileName, //欲作簽章的檔案名稱及位置
Stream keyIn, // Private key 的 File Stream
Stream outputStream, //簽章後的檔案 File Stream
char[] pass, // private Key 的 password
bool armor, //用途不明?? 範例預設true
bool compress //用途不明?? 範例預設true
)
{
if (armor)
{
outputStream = new ArmoredOutputStream(outputStream);
}
PgpSecretKey pgpSec = PgpExampleUtilities.ReadSecretKey(keyIn);
PgpPrivateKey pgpPrivKey = pgpSec.ExtractPrivateKey(pass);
PgpSignatureGenerator sGen = new PgpSignatureGenerator(pgpSec.PublicKey.Algorithm, HashAlgorithmTag.Sha256);
sGen.InitSign(PgpSignature.BinaryDocument, pgpPrivKey);
foreach (string userId in pgpSec.PublicKey.GetUserIds())
{
PgpSignatureSubpacketGenerator spGen = new PgpSignatureSubpacketGenerator();
spGen.SetSignerUserId(false, userId);
sGen.SetHashedSubpackets(spGen.Generate());
// Just the first one!
break;
}
Stream cOut = outputStream;
PgpCompressedDataGenerator cGen = null;
if (compress)
{
cGen = new PgpCompressedDataGenerator(CompressionAlgorithmTag.ZLib);
cOut = cGen.Open(cOut);
}
BcpgOutputStream bOut = new BcpgOutputStream(cOut);
sGen.GenerateOnePassVersion(false).Encode(bOut);
FileInfo file = new FileInfo(fileName);
PgpLiteralDataGenerator lGen = new PgpLiteralDataGenerator();
Stream lOut = lGen.Open(bOut, PgpLiteralData.Binary, file);
FileStream fIn = file.OpenRead();
int ch = 0;
while ((ch = fIn.ReadByte()) >= 0)
{
lOut.WriteByte((byte)ch);
sGen.Update((byte)ch);
}
fIn.Close();
lGen.Close();
sGen.Generate().Encode(bOut);
if (cGen != null)
{
cGen.Close();
}
if (armor)
{
outputStream.Close();
}
}
public string EncryptMessage(string unencryptedMessage, char[] passPhrase)
{
// Convert the input to a byte array. We expect the string to be UTF-8 encoded
var unencryptedByteArray = Encoding.UTF8.GetBytes(unencryptedMessage);
var lData = new PgpLiteralDataGenerator();
// Write the data to a literal
MemoryStream bOut;
using (bOut = new MemoryStream())
{
using var pOut = lData.Open(bOut, PgpLiteralData.Binary, PgpLiteralData.Console, unencryptedByteArray.Length, DateTime.Now);
pOut.Write(unencryptedByteArray, 0, unencryptedByteArray.Length);
}
lData.Close();
var cPk = new PgpEncryptedDataGenerator(SymmetricKeyAlgorithmTag.Aes256, true);
cPk.AddMethod(passPhrase, HashAlgorithmTag.Sha1);
var bytes = bOut.ToArray();
MemoryStream encOut;
using (encOut = new MemoryStream())
{
using var cOut = cPk.Open(encOut, bytes.Length);
cOut.Write(bytes, 0, bytes.Length);
}
return(Convert.ToBase64String(encOut.ToArray()));
}
private Stream literalOutput(Stream compressedOut, FileInfo file)
{
PgpLiteralDataGenerator pgpLiteralDataGen = new PgpLiteralDataGenerator();
Stream literal = pgpLiteralDataGen.Open(compressedOut, PgpLiteralData.Binary, file);
return(literal);
}
/// <summary>
/// Build PGP-encrypting (raw/binary format) stream around the provided output stream
/// </summary>
/// <param name="publickeysource">Input stream containing public keyring bundle</param>
/// <param name="publickeyuserid">UserID of key to be used within keyring bundle (if null/empty, first available key in ring will be used)</param>
/// <param name="encryptedoutput">Output stream to receive raw/binary encrypted data</param>
/// <returns>
/// A StreamStack object, into which cleartext data can be written (resulting in encrypted data being written to encryptedoutput)
/// </returns>
/// <remarks>
/// - Caller is responsible for disposing of returned StreamStack (BEFORE disposing of original encryptedoutput Stream)
/// - Caller is also still responsible for disposing of encryptedinput stream (AFTER disposing of returned StreamStack)
/// </remarks>
public static async Task <StreamStack> GetEncryptionStreamRaw(Stream publickeysource, string publickeyuserid, Stream encryptedoutput)
{
var encryptionstream = new StreamStack();
try
{
// Create encrypted data generator using public key extracted from provided source:
var pgpEncDataGen = new PgpEncryptedDataGenerator(SymmetricKeyAlgorithmTag.Aes256, true, new SecureRandom());
pgpEncDataGen.AddMethod(await ExtractPublicKey(publickeysource, publickeyuserid));
// Create encrypted data generator stream around destination stream and push on to return value stack:
encryptionstream.PushStream(pgpEncDataGen.Open(encryptedoutput, new byte[1024]));
// Create compressed data generator stream around encryption stream and push on to return value stack:
var comData = new PgpCompressedDataGenerator(CompressionAlgorithmTag.Zip);
encryptionstream.PushStream(comData.Open(encryptionstream.GetStream()));
// Create literal data generator stream around compression stream and push on to return value stack:
var lData = new PgpLiteralDataGenerator();
encryptionstream.PushStream(lData.Open(encryptionstream.GetStream(), PgpLiteralData.Binary, string.Empty, DateTime.UtcNow, new byte[1024]));
// Return stream object (data written to stream at top of stack will be literalized -> compressed -> encrypted):
return(encryptionstream);
}
catch
{
encryptionstream.Dispose();
throw;
}
}
/// <summary>
/// PGP-encrypt all data from source stream into destination stream in raw/binary format
/// </summary>
/// <param name="publickeysource">Input stream containing public keyring bundle</param>
/// <param name="publickeyuserid">UserID of key to be used within keyring bundle (if null/empty, first available key in ring will be used)</param>
/// <param name="clearinput">Input stream containing source data to be encrypted</param>
/// <param name="encryptedoutput">Output stream to receive raw encrypted data</param>
/// <remarks>
/// - Source data will be read asynchronously
/// - Destination data will be written asynchronously
/// </remarks>
public static async Task EncryptRaw(Stream publickeysource, string publickeyuserid, Stream clearinput, Stream encryptedoutput)
{
// Create encrypted data generator, using public key extracted from provided source:
var pgpEncDataGen = new PgpEncryptedDataGenerator(SymmetricKeyAlgorithmTag.Aes256, true, new SecureRandom());
pgpEncDataGen.AddMethod(await ExtractPublicKey(publickeysource, publickeyuserid));
// Wrap destination stream in encrypted data generator stream:
using (var encrypt = pgpEncDataGen.Open(encryptedoutput, new byte[1024]))
{
// Wrap encrypted data generator stream in compressed data generator stream:
var comData = new PgpCompressedDataGenerator(CompressionAlgorithmTag.Zip);
using (var compress = comData.Open(encrypt))
{
// Wrap compressed data generator stream in literal data generator stream:
var lData = new PgpLiteralDataGenerator();
using (var literal = lData.Open(compress, PgpLiteralData.Binary, string.Empty, DateTime.UtcNow, new byte[1024]))
{
// Stream source data into literal generator (whose output will feed into compression stream,
// whose output will feed into encryption stream, whose output will feed into destination):
await clearinput.CopyToAsync(literal);
}
}
}
}
private static byte[] Compress(byte[] clearData)
{
MemoryStream bOut = new MemoryStream();
PgpCompressedDataGenerator comData = new PgpCompressedDataGenerator(CompressionAlgorithmTag.Zip);
Stream cos = comData.Open(bOut); // open it with the final destination
PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator();
// we want to Generate compressed data. This might be a user option later,
// in which case we would pass in bOut.
Stream pOut = lData.Open(
cos, // the compressed output stream
PgpLiteralData.Binary,
"", // "filename" to store
clearData.Length,
DateTime.UtcNow
);
pOut.Write(clearData, 0, clearData.Length);
pOut.Close();
comData.Close();
return(bOut.ToArray());
}
private static Stream ChainLiteralOut(Stream compressedOut, byte[] clearData)
{
string fileName = "clip";
PgpLiteralDataGenerator literalData = new PgpLiteralDataGenerator();
return(literalData.Open(compressedOut, PgpLiteralData.Binary, fileName, clearData.Length, DateTime.UtcNow));
}
public static void WriteStreamToLiteralData(Stream output, char fileType, Stream input, string name)
{
PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator();
Stream pOut = lData.Open(output, fileType, name, input.Length, DateTime.Now);
PipeStreamContents(input, pOut, 4096);
}
/// <summary>
/// Compresses the Byte Array removing un-needed data based on the CompressionAlgorithmTag
/// </summary>
/// <param name="clearData"></param>
/// <param name="fileName"></param>
/// <param name="algorithm"></param>
/// <returns>Compressed Bytes</returns>
private static byte[] CompressBytes(byte[] clearData, string fileName, CompressionAlgorithmTag algorithm)
{
using (var bytesOut = new MemoryStream())
{
var compressedData = new PgpCompressedDataGenerator(algorithm);
using (var compressedOutput = compressedData.Open(bytesOut))
{
var literalData = new PgpLiteralDataGenerator();
try
{
using (var pOut = literalData.Open(compressedOutput, PgpLiteralData.Binary, fileName, clearData.Length, DateTime.UtcNow))
{
pOut.Write(clearData, 0, clearData.Length);
return(bytesOut.ToArray());
}
}
catch (Exception e)
{
throw new Exception("Unable to Compress", e);
}
}
}
}
private static void WriteToLiteralData(PgpSignatureGenerator signatureGenerator, Stream outStream, byte[] data)
{
PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator();
MemoryStream ms = new MemoryStream(data);
try
{
using (Stream literalOut = lData.Open(outStream, PgpLiteralData.Binary, "pgp", DateTime.UtcNow,
new byte[BUFFER_SIZE]))
{
byte[] buf = new byte[BUFFER_SIZE];
int len;
while ((len = ms.Read(buf, 0, buf.Length)) > 0)
{
literalOut.Write(buf, 0, len);
signatureGenerator.Update(buf, 0, len);
}
}
}
catch (Exception ex)
{
throw new CryptoException(ex.Message, ex);
}
finally
{
lData.Close();
}
}
public String EncryptKeycode(String publicKeyStr, String unencryptedKeycode)
{
byte[] unencryptedByteArray = System.Text.Encoding.ASCII.GetBytes(unencryptedKeycode);
byte[] decodedPublicKey = System.Text.Encoding.ASCII.GetBytes(publicKeyStr);
PgpPublicKey key = null;
Stream decodedStream = PgpUtilities.GetDecoderStream(new MemoryStream(decodedPublicKey));
PgpPublicKeyRingBundle pubRings = new PgpPublicKeyRingBundle(decodedStream);
foreach (PgpPublicKeyRing pgpPub in pubRings.GetKeyRings())
{
foreach (PgpPublicKey publicKey in pgpPub.GetPublicKeys())
{
if (publicKey.IsEncryptionKey)
{
key = publicKey;
break;
}
}
}
if (key == null)
{
throw new SendSafely.Exceptions.InvalidKeyException("Can't find encryption key in key ring.");
}
PgpEncryptedDataGenerator cPk = new PgpEncryptedDataGenerator(SymmetricKeyAlgorithmTag.Aes256, true);
cPk.AddMethod(key);
PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator();
// Write the data to a literal
MemoryStream bOut;
using (bOut = new MemoryStream())
{
using (Stream pOut = lData.Open(bOut, PgpLiteralData.Binary, PgpLiteralData.Console, unencryptedByteArray.Length, DateTime.Now))
{
pOut.Write(unencryptedByteArray, 0, unencryptedByteArray.Length);
}
}
lData.Close();
byte[] bytes = bOut.ToArray();
MemoryStream encOut = new MemoryStream();
using (ArmoredOutputStream armoredOut = new ArmoredOutputStream(encOut))
{
using (Stream cOut = cPk.Open(armoredOut, bytes.Length))
{
cOut.Write(bytes, 0, bytes.Length);
}
}
return(System.Text.Encoding.Default.GetString(encOut.ToArray()));
}
/// <summary>
/// Sign data using key
/// </summary>
/// <param name="data">Data to sign</param>
/// <param name="key">Email address of key</param>
/// <returns>Returns ascii armored signature</returns>
public string Sign(byte[] data, string key, Dictionary <string, string> headers)
{
Context = new CryptoContext(Context);
var senderKey = GetSecretKeyForSigning(key);
if (senderKey == null)
{
throw new SecretKeyNotFoundException("Error, unable to locate signing key \"" + key + "\".");
}
var compressedData = new PgpCompressedDataGenerator(CompressionAlgorithmTag.Zip);
var literalData = new PgpLiteralDataGenerator();
// Setup signature stuff //
var tag = senderKey.PublicKey.Algorithm;
var signatureData = new PgpSignatureGenerator(tag, HashAlgorithmTag.Sha256);
signatureData.InitSign(PgpSignature.BinaryDocument, senderKey.ExtractPrivateKey(Context.Password));
foreach (string userId in senderKey.PublicKey.GetUserIds())
{
var subPacketGenerator = new PgpSignatureSubpacketGenerator();
subPacketGenerator.SetSignerUserId(false, userId);
signatureData.SetHashedSubpackets(subPacketGenerator.Generate());
// Just the first one!
break;
}
// //
using (var sout = new MemoryStream())
{
using (var armoredOut = new ArmoredOutputStream(sout))
{
foreach (var header in headers)
{
armoredOut.SetHeader(header.Key, header.Value);
}
using (var compressedOut = compressedData.Open(armoredOut))
using (var outputStream = new BcpgOutputStream(compressedOut))
{
signatureData.GenerateOnePassVersion(false).Encode(outputStream);
using (var literalOut = literalData.Open(outputStream, 'b', "", data.Length, DateTime.Now))
{
literalOut.Write(data, 0, data.Length);
signatureData.Update(data);
}
signatureData.Generate().Encode(outputStream);
}
}
return(ASCIIEncoding.ASCII.GetString(sout.ToArray()));
}
}
private static Stream ChainLiteralOut(Stream compressedOut, string text) //FileInfo file)
{
//3
PgpLiteralDataGenerator pgpLiteralDataGenerator = new PgpLiteralDataGenerator();
// return pgpLiteralDataGenerator.Open(compressedOut, PgpLiteralData.Binary, file);
return(pgpLiteralDataGenerator.Open(compressedOut, PgpLiteralData.Binary, "MyTest.tmp", Encoding.UTF8.GetBytes(text).Length, DateTime.UtcNow));
}
/// <summary>
/// Write file to literal data.
/// </summary>
/// <param name="output">
/// The output stream.
/// </param>
/// <param name="fileType">
/// The file type.
/// </param>
/// <param name="file">
/// The file to read,
/// </param>
private static void WriteFileToLiteralData(Stream output, char fileType, FileInfo file)
{
var data = new PgpLiteralDataGenerator();
using (var stream = data.Open(output, fileType, file.Name, file.Length, file.LastWriteTime))
{
PipeFileContents(file, stream, file.Length);
}
}
private static void WriteStreamToLiteralData(Stream output, char fileType, Stream input)
{
PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator();
using (Stream pOut = lData.Open(output, fileType, "", input.Length, DateTime.Now))
{
byte[] buf = input.ReadFully();
pOut.Write(buf, 0, buf.Length);
}
}
/// <summary>Write out the passed in file as a literal data packet.</summary>
public static void WriteFileToLiteralData(
Stream output,
char fileType,
FileInfo file)
{
PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator();
Stream pOut = lData.Open(output, fileType, file.Name, file.Length, file.LastWriteTime);
PipeFileContents(file, pOut, 4096);
}
/// <summary>
/// Sign a file with PGP signature. See documentation at https://github.com/CommunityHiQ/Frends.Community.PgpSignature Returns: Object {string FilePath}
/// </summary>
public static PgpSignatureResult SignFile(PgpSignatureInput input)
{
HashAlgorithmTag digest = input.HashFunction.ConvertEnum <HashAlgorithmTag>();
using (var privateKeyStream = File.OpenRead(input.PrivateKeyFile))
{
var pgpSecKey = PgpServices.SignatureReadSecretKey(privateKeyStream);
var pgpPrivKey = pgpSecKey.ExtractPrivateKey(input.Password.ToCharArray());
var signatureGenerator = new PgpSignatureGenerator(pgpSecKey.PublicKey.Algorithm, digest);
var signatureSubpacketGenerator = new PgpSignatureSubpacketGenerator();
signatureGenerator.InitSign(PgpSignature.BinaryDocument, pgpPrivKey);
var enumerator = pgpSecKey.PublicKey.GetUserIds().GetEnumerator();
if (enumerator.MoveNext())
{
signatureSubpacketGenerator.SetSignerUserId(false, (string)enumerator.Current);
signatureGenerator.SetHashedSubpackets(signatureSubpacketGenerator.Generate());
}
using (var outputStream = File.Create(input.OutputFile))
{
var armoredOutputStream = new ArmoredOutputStream(outputStream);
var bcbgOutputStream = new BcpgOutputStream(armoredOutputStream);
signatureGenerator.GenerateOnePassVersion(false).Encode(bcbgOutputStream);
var file = new FileInfo(input.InputFile);
var literalDataGenerator = new PgpLiteralDataGenerator();
var literalDataOut = literalDataGenerator.Open(bcbgOutputStream, PgpLiteralData.Binary, file.Name, file.Length, DateTime.Now);
using (var fileIn = file.OpenRead())
{
int ch;
while ((ch = fileIn.ReadByte()) >= 0)
{
literalDataOut.WriteByte((byte)ch);
signatureGenerator.Update((byte)ch);
}
fileIn.Close();
literalDataGenerator.Close();
signatureGenerator.Generate().Encode(bcbgOutputStream);
armoredOutputStream.Close();
outputStream.Close();
var ret = new PgpSignatureResult
{
FilePath = input.OutputFile
};
return(ret);
}
}
}
}
/// <summary>
/// Chain the literal output.
/// </summary>
/// <param name="compressedOut">
/// The compressed output.
/// </param>
/// <param name="file">
/// The file to read from.
/// </param>
/// <returns>
/// The chained <see cref="Stream"/> output.
/// </returns>
private static Stream ChainLiteralOut(Stream compressedOut, FileInfo file)
{
var pgpLiteralDataGenerator = new PgpLiteralDataGenerator();
return(pgpLiteralDataGenerator.Open(
compressedOut,
PgpLiteralData.Binary,
file.Name,
file.Length,
file.LastWriteTime));
}
/// <summary>Write out the passed in file as a literal data packet in partial packet format.</summary>
public static async Task WriteFileToLiteralDataAsync(
Stream output,
char fileType,
FileInfo file,
byte[] buffer)
{
PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator();
Stream pOut = lData.Open(output, fileType, file.Name, file.LastWriteTime, buffer);
await PipeFileContentsAsync(file, pOut, buffer.Length);
}
public static void WriteToLiteralData(Stream outStream, char filetype, byte[] data)
{
PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator();
Stream pOut = lData.Open(outStream, filetype, "temp", data.LongLength, new DateTime());
foreach (var b in data)
{
pOut.WriteByte(b);
}
lData.Close();
}
/// <summary>
/// Encrypt data to a set of recipients
/// </summary>
/// <param name="data">Data to encrypt</param>
/// <param name="recipients">List of email addresses</param>
/// <param name="recipients">Headers to add to ascii armor</param>
/// <returns>Returns ascii armored encrypted data</returns>
public string Encrypt(byte[] data, IList <string> recipients, Dictionary <string, string> headers)
{
Context = new CryptoContext(Context);
var compressedData = new PgpCompressedDataGenerator(CompressionAlgorithmTag.Zip);
var literalData = new PgpLiteralDataGenerator();
var cryptData = new PgpEncryptedDataGenerator(SymmetricKeyAlgorithmTag.Cast5, true, new SecureRandom());
foreach (var recipient in recipients)
{
var recipientKey = GetPublicKeyForEncryption(recipient);
if (recipientKey == null)
{
throw new PublicKeyNotFoundException("Error, unable to find recipient key \"" + recipient + "\".");
}
cryptData.AddMethod(recipientKey);
}
using (var sout = new MemoryStream())
{
using (var armoredOut = new ArmoredOutputStream(sout))
{
foreach (var header in headers)
{
armoredOut.SetHeader(header.Key, header.Value);
}
using (var clearOut = new MemoryStream())
{
using (var compressedOut = compressedData.Open(clearOut))
using (var literalOut = literalData.Open(
compressedOut,
PgpLiteralData.Binary,
"email",
data.Length,
DateTime.UtcNow))
{
literalOut.Write(data, 0, data.Length);
}
var clearData = clearOut.ToArray();
using (var encryptOut = cryptData.Open(armoredOut, clearData.Length))
{
encryptOut.Write(clearData, 0, clearData.Length);
}
}
}
return(ASCIIEncoding.ASCII.GetString(sout.ToArray()));
}
}
public static void Encrypt(byte[] clearData, PgpPublicKey encKey, string fileName, FileStream fos, bool withIntegrityCheck, bool armor)
{
if (fileName == null)
{
fileName = PgpLiteralData.Console;
}
MemoryStream encOut = new MemoryStream();
Stream outPut = encOut;
if (armor)
{
outPut = new Org.BouncyCastle.Bcpg.ArmoredOutputStream(outPut);
}
MemoryStream bOut = new MemoryStream();
PgpCompressedDataGenerator comData = new PgpCompressedDataGenerator(CompressionAlgorithmTag.Zip);
Stream cos = comData.Open(bOut); // open it with the final
// destination
PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator();
// we want to generate compressed data. This might be a user option
// later,
// in which case we would pass in bOut.
Stream pOut = lData.Open(cos, PgpLiteralData.Binary, fileName, clearData.Length, DateTime.Now);
pOut.Write(clearData, 0, clearData.Length);
lData.Close();
comData.Close();
PgpEncryptedDataGenerator cPk = new PgpEncryptedDataGenerator(SymmetricKeyAlgorithmTag.Cast5, withIntegrityCheck, new Org.BouncyCastle.Security.SecureRandom());
cPk.AddMethod(encKey);
byte[] bytes = bOut.ToArray();
Stream cOut = cPk.Open(outPut, bytes.Length);
cOut.Write(bytes, 0, bytes.Length);
cOut.Close();
outPut.Close();
//FileStream fileStream = new FileStream(fileName, System.IO.FileMode.Create, System.IO.FileAccess.Write);
// Writes a block of bytes to this stream using data from
// a byte array.
fos.Write(encOut.ToArray(), 0, encOut.ToArray().Length);
// close file stream
fos.Close();
}
public static async Task WriteStreamToLiteralDataAsync(
Stream output,
char fileType,
Stream input,
byte[] buffer,
string name)
{
PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator();
Stream pOut = lData.Open(output, fileType, name, DateTime.Now, buffer);
await PipeStreamContentsAsync(input, pOut, buffer.Length);
}
/// <summary>Write out the passed in file as a literal data packet.</summary>
public static async Task WriteFileToLiteralDataAsync(
Stream output,
char fileType,
FileInfo file)
{
PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator();
Stream pOut = lData.Open(output, fileType, file.Name, file.Length, file.LastWriteTime);
await PipeFileContentsAsync(file, pOut, 4096);
lData.Close();
}
/// <summary>Write out the passed in file as a literal data packet in partial packet format.</summary>
public static void WriteFileToLiteralData(
Stream output,
char fileType,
FileInfo file,
byte[] buffer)
{
PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator();
Stream pOut = lData.Open(output, fileType, file.Name, file.LastWriteTime, buffer);
PipeFileContents(file, pOut, buffer.Length);
lData.Close();
}
internal static byte[] CompressStream(Stream inputStream, string fileName, CompressionAlgorithmTag algorithm)
{
using (MemoryStream bOut = new MemoryStream()) {
//inputStream.CopyTo(bOut);
PgpCompressedDataGenerator comData = new PgpCompressedDataGenerator(algorithm);
PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator();
Stream pOut = lData.Open(comData.Open(bOut), PgpLiteralData.Binary, fileName, inputStream.Length, DateTime.Now);
inputStream.CopyTo(pOut);
inputStream.Close();
return bOut.ToArray();
}
}
private void ReadBackTest(
PgpLiteralDataGenerator generator)
{
Random rand = new Random();
byte[] buf = new byte[MAX];
rand.NextBytes(buf);
for (int i = 1; i != MAX; i++)
{
MemoryStream bOut = new MemoryStream();
Stream outputStream = generator.Open(
new UncloseableStream(bOut),
PgpLiteralData.Binary,
PgpLiteralData.Console,
i,
DateTime.UtcNow);
outputStream.Write(buf, 0, i);
generator.Close();
PgpObjectFactory fact = new PgpObjectFactory(bOut.ToArray());
PgpLiteralData data = (PgpLiteralData)fact.NextPgpObject();
Stream inputStream = data.GetInputStream();
for (int count = 0; count != i; count++)
{
if (inputStream.ReadByte() != (buf[count] & 0xff))
{
Fail("failed readback test - length = " + i);
}
}
}
}
private void PerformTestSig(
HashAlgorithmTag hashAlgorithm,
PgpPublicKey pubKey,
PgpPrivateKey privKey)
{
const string data = "hello world!";
byte[] dataBytes = Encoding.ASCII.GetBytes(data);
MemoryStream bOut = new UncloseableMemoryStream();
MemoryStream testIn = new MemoryStream(dataBytes, false);
PgpSignatureGenerator sGen = new PgpSignatureGenerator(PublicKeyAlgorithmTag.RsaGeneral, hashAlgorithm);
sGen.InitSign(PgpSignature.BinaryDocument, privKey);
PgpCompressedDataGenerator cGen = new PgpCompressedDataGenerator(CompressionAlgorithmTag.Zip);
BcpgOutputStream bcOut = new BcpgOutputStream(cGen.Open(new UncloseableStream(bOut)));
sGen.GenerateOnePassVersion(false).Encode(bcOut);
PgpLiteralDataGenerator lGen = new PgpLiteralDataGenerator();
DateTime testDateTime = new DateTime(1973, 7, 27);
Stream lOut = lGen.Open(
new UncloseableStream(bcOut),
PgpLiteralData.Binary,
"_CONSOLE",
dataBytes.Length,
testDateTime);
// TODO Need a stream object to automatically call Update?
// (via ISigner implementation of PgpSignatureGenerator)
int ch;
while ((ch = testIn.ReadByte()) >= 0)
{
lOut.WriteByte((byte)ch);
sGen.Update((byte)ch);
}
lOut.Close();
sGen.Generate().Encode(bcOut);
bcOut.Close();
//
// verify generated signature
//
PgpObjectFactory pgpFact = new PgpObjectFactory(bOut.ToArray());
PgpCompressedData c1 = (PgpCompressedData)pgpFact.NextPgpObject();
pgpFact = new PgpObjectFactory(c1.GetDataStream());
PgpOnePassSignatureList p1 = (PgpOnePassSignatureList)pgpFact.NextPgpObject();
PgpOnePassSignature ops = p1[0];
PgpLiteralData p2 = (PgpLiteralData)pgpFact.NextPgpObject();
if (!p2.ModificationTime.Equals(testDateTime))
{
Fail("Modification time not preserved");
}
Stream dIn = p2.GetInputStream();
ops.InitVerify(pubKey);
// TODO Need a stream object to automatically call Update?
// (via ISigner implementation of PgpSignatureGenerator)
while ((ch = dIn.ReadByte()) >= 0)
{
ops.Update((byte)ch);
}
PgpSignatureList p3 = (PgpSignatureList)pgpFact.NextPgpObject();
if (!ops.Verify(p3[0]))
{
Fail("Failed generated signature check - " + hashAlgorithm);
}
}
public override void PerformTest()
{
PgpPublicKey pubKey = null;
//
// Read the public key
//
PgpObjectFactory pgpFact = new PgpObjectFactory(testPubKeyRing);
PgpPublicKeyRing pgpPub = (PgpPublicKeyRing)pgpFact.NextPgpObject();
pubKey = pgpPub.GetPublicKey();
if (pubKey.BitStrength != 1024)
{
Fail("failed - key strength reported incorrectly.");
}
//
// Read the private key
//
PgpSecretKeyRing sKey = new PgpSecretKeyRing(testPrivKeyRing);
PgpSecretKey secretKey = sKey.GetSecretKey();
PgpPrivateKey pgpPrivKey = secretKey.ExtractPrivateKey(pass);
//
// signature generation
//
const string data = "hello world!";
byte[] dataBytes = Encoding.ASCII.GetBytes(data);
MemoryStream bOut = new MemoryStream();
MemoryStream testIn = new MemoryStream(dataBytes, false);
PgpSignatureGenerator sGen = new PgpSignatureGenerator(PublicKeyAlgorithmTag.Dsa,
HashAlgorithmTag.Sha1);
sGen.InitSign(PgpSignature.BinaryDocument, pgpPrivKey);
PgpCompressedDataGenerator cGen = new PgpCompressedDataGenerator(
CompressionAlgorithmTag.Zip);
BcpgOutputStream bcOut = new BcpgOutputStream(
cGen.Open(new UncloseableStream(bOut)));
sGen.GenerateOnePassVersion(false).Encode(bcOut);
PgpLiteralDataGenerator lGen = new PgpLiteralDataGenerator();
DateTime testDateTime = new DateTime(1973, 7, 27);
Stream lOut = lGen.Open(
new UncloseableStream(bcOut),
PgpLiteralData.Binary,
"_CONSOLE",
dataBytes.Length,
testDateTime);
int ch;
while ((ch = testIn.ReadByte()) >= 0)
{
lOut.WriteByte((byte) ch);
sGen.Update((byte) ch);
}
lGen.Close();
sGen.Generate().Encode(bcOut);
cGen.Close();
//
// verify Generated signature
//
pgpFact = new PgpObjectFactory(bOut.ToArray());
PgpCompressedData c1 = (PgpCompressedData)pgpFact.NextPgpObject();
pgpFact = new PgpObjectFactory(c1.GetDataStream());
PgpOnePassSignatureList p1 = (PgpOnePassSignatureList)pgpFact.NextPgpObject();
PgpOnePassSignature ops = p1[0];
PgpLiteralData p2 = (PgpLiteralData)pgpFact.NextPgpObject();
if (!p2.ModificationTime.Equals(testDateTime))
{
Fail("Modification time not preserved");
}
Stream dIn = p2.GetInputStream();
ops.InitVerify(pubKey);
while ((ch = dIn.ReadByte()) >= 0)
{
ops.Update((byte)ch);
}
PgpSignatureList p3 = (PgpSignatureList)pgpFact.NextPgpObject();
if (!ops.Verify(p3[0]))
{
Fail("Failed Generated signature check");
}
//
// test encryption
//
//
// find a key sutiable for encryption
//
long pgpKeyID = 0;
AsymmetricKeyParameter pKey = null;
foreach (PgpPublicKey pgpKey in pgpPub.GetPublicKeys())
{
if (pgpKey.Algorithm == PublicKeyAlgorithmTag.ElGamalEncrypt
|| pgpKey.Algorithm == PublicKeyAlgorithmTag.ElGamalGeneral)
{
pKey = pgpKey.GetKey();
pgpKeyID = pgpKey.KeyId;
if (pgpKey.BitStrength != 1024)
{
Fail("failed - key strength reported incorrectly.");
}
//
// verify the key
//
}
}
IBufferedCipher c = CipherUtilities.GetCipher("ElGamal/None/PKCS1Padding");
c.Init(true, pKey);
byte[] inBytes = Encoding.ASCII.GetBytes("hello world");
byte[] outBytes = c.DoFinal(inBytes);
pgpPrivKey = sKey.GetSecretKey(pgpKeyID).ExtractPrivateKey(pass);
c.Init(false, pgpPrivKey.Key);
outBytes = c.DoFinal(outBytes);
if (!Arrays.AreEqual(inBytes, outBytes))
{
Fail("decryption failed.");
}
//
// encrypted message
//
byte[] text = { (byte)'h', (byte)'e', (byte)'l', (byte)'l', (byte)'o',
(byte)' ', (byte)'w', (byte)'o', (byte)'r', (byte)'l', (byte)'d', (byte)'!', (byte)'\n' };
PgpObjectFactory pgpF = new PgpObjectFactory(encMessage);
PgpEncryptedDataList encList = (PgpEncryptedDataList)pgpF.NextPgpObject();
PgpPublicKeyEncryptedData encP = (PgpPublicKeyEncryptedData)encList[0];
Stream clear = encP.GetDataStream(pgpPrivKey);
pgpFact = new PgpObjectFactory(clear);
c1 = (PgpCompressedData)pgpFact.NextPgpObject();
pgpFact = new PgpObjectFactory(c1.GetDataStream());
PgpLiteralData ld = (PgpLiteralData)pgpFact.NextPgpObject();
if (!ld.FileName.Equals("test.txt"))
{
throw new Exception("wrong filename in packet");
}
Stream inLd = ld.GetDataStream();
byte[] bytes = Streams.ReadAll(inLd);
if (!Arrays.AreEqual(bytes, text))
{
Fail("wrong plain text in decrypted packet");
}
//
// signed and encrypted message
//
pgpF = new PgpObjectFactory(signedAndEncMessage);
encList = (PgpEncryptedDataList)pgpF.NextPgpObject();
encP = (PgpPublicKeyEncryptedData)encList[0];
clear = encP.GetDataStream(pgpPrivKey);
pgpFact = new PgpObjectFactory(clear);
c1 = (PgpCompressedData)pgpFact.NextPgpObject();
pgpFact = new PgpObjectFactory(c1.GetDataStream());
p1 = (PgpOnePassSignatureList)pgpFact.NextPgpObject();
ops = p1[0];
ld = (PgpLiteralData)pgpFact.NextPgpObject();
bOut = new MemoryStream();
if (!ld.FileName.Equals("test.txt"))
{
throw new Exception("wrong filename in packet");
}
inLd = ld.GetDataStream();
//
// note: we use the DSA public key here.
//
ops.InitVerify(pgpPub.GetPublicKey());
while ((ch = inLd.ReadByte()) >= 0)
{
ops.Update((byte) ch);
bOut.WriteByte((byte) ch);
}
p3 = (PgpSignatureList)pgpFact.NextPgpObject();
if (!ops.Verify(p3[0]))
{
Fail("Failed signature check");
}
if (!Arrays.AreEqual(bOut.ToArray(), text))
{
Fail("wrong plain text in decrypted packet");
}
//
// encrypt
//
MemoryStream cbOut = new MemoryStream();
PgpEncryptedDataGenerator cPk = new PgpEncryptedDataGenerator(
SymmetricKeyAlgorithmTag.TripleDes, random);
PgpPublicKey puK = sKey.GetSecretKey(pgpKeyID).PublicKey;
cPk.AddMethod(puK);
Stream cOut = cPk.Open(new UncloseableStream(cbOut), bOut.ToArray().Length);
cOut.Write(text, 0, text.Length);
cOut.Close();
pgpF = new PgpObjectFactory(cbOut.ToArray());
encList = (PgpEncryptedDataList)pgpF.NextPgpObject();
encP = (PgpPublicKeyEncryptedData)encList[0];
pgpPrivKey = sKey.GetSecretKey(pgpKeyID).ExtractPrivateKey(pass);
clear = encP.GetDataStream(pgpPrivKey);
outBytes = Streams.ReadAll(clear);
if (!Arrays.AreEqual(outBytes, text))
{
Fail("wrong plain text in Generated packet");
}
//
// use of PgpKeyPair
//
BigInteger g = new BigInteger("153d5d6172adb43045b68ae8e1de1070b6137005686d29d3d73a7749199681ee5b212c9b96bfdcfa5b20cd5e3fd2044895d609cf9b410b7a0f12ca1cb9a428cc", 16);
BigInteger p = new BigInteger("9494fec095f3b85ee286542b3836fc81a5dd0a0349b4c239dd38744d488cf8e31db8bcb7d33b41abb9e5a33cca9144b1cef332c94bf0573bf047a3aca98cdf3b", 16);
ElGamalParameters elParams = new ElGamalParameters(p, g);
IAsymmetricCipherKeyPairGenerator kpg = GeneratorUtilities.GetKeyPairGenerator("ELGAMAL");
kpg.Init(new ElGamalKeyGenerationParameters(random, elParams));
AsymmetricCipherKeyPair kp = kpg.GenerateKeyPair();
PgpKeyPair pgpKp = new PgpKeyPair(PublicKeyAlgorithmTag.ElGamalGeneral ,
kp.Public, kp.Private, DateTime.UtcNow);
PgpPublicKey k1 = pgpKp.PublicKey;
PgpPrivateKey k2 = pgpKp.PrivateKey;
// Test bug with ElGamal P size != 0 mod 8 (don't use these sizes at home!)
for (int pSize = 257; pSize < 264; ++pSize)
{
// Generate some parameters of the given size
ElGamalParametersGenerator epg = new ElGamalParametersGenerator();
epg.Init(pSize, 2, random);
elParams = epg.GenerateParameters();
kpg = GeneratorUtilities.GetKeyPairGenerator("ELGAMAL");
kpg.Init(new ElGamalKeyGenerationParameters(random, elParams));
// Run a short encrypt/decrypt test with random key for the given parameters
kp = kpg.GenerateKeyPair();
PgpKeyPair elGamalKeyPair = new PgpKeyPair(
PublicKeyAlgorithmTag.ElGamalGeneral, kp, DateTime.UtcNow);
cPk = new PgpEncryptedDataGenerator(SymmetricKeyAlgorithmTag.Cast5, random);
puK = elGamalKeyPair.PublicKey;
cPk.AddMethod(puK);
cbOut = new MemoryStream();
cOut = cPk.Open(new UncloseableStream(cbOut), text.Length);
cOut.Write(text, 0, text.Length);
cOut.Close();
pgpF = new PgpObjectFactory(cbOut.ToArray());
encList = (PgpEncryptedDataList)pgpF.NextPgpObject();
encP = (PgpPublicKeyEncryptedData)encList[0];
pgpPrivKey = elGamalKeyPair.PrivateKey;
// Note: This is where an exception would be expected if the P size causes problems
clear = encP.GetDataStream(pgpPrivKey);
byte[] decText = Streams.ReadAll(clear);
if (!Arrays.AreEqual(text, decText))
{
Fail("decrypted message incorrect");
}
}
// check sub key encoding
foreach (PgpPublicKey pgpKey in pgpPub.GetPublicKeys())
{
if (!pgpKey.IsMasterKey)
{
byte[] kEnc = pgpKey.GetEncoded();
PgpObjectFactory objF = new PgpObjectFactory(kEnc);
// TODO Make PgpPublicKey a PgpObject or return a PgpPublicKeyRing
// PgpPublicKey k = (PgpPublicKey)objF.NextPgpObject();
//
// pKey = k.GetKey();
// pgpKeyID = k.KeyId;
// if (k.BitStrength != 1024)
// {
// Fail("failed - key strength reported incorrectly.");
// }
//
// if (objF.NextPgpObject() != null)
// {
// Fail("failed - stream not fully parsed.");
// }
}
}
}
public override void PerformTest()
{
//
// Read the public key
//
PgpPublicKeyRing pgpPub = new PgpPublicKeyRing(testPubKey);
AsymmetricKeyParameter pubKey = pgpPub.GetPublicKey().GetKey();
IEnumerator enumerator = pgpPub.GetPublicKey().GetUserIds().GetEnumerator();
enumerator.MoveNext();
string uid = (string) enumerator.Current;
enumerator = pgpPub.GetPublicKey().GetSignaturesForId(uid).GetEnumerator();
enumerator.MoveNext();
PgpSignature sig = (PgpSignature) enumerator.Current;
sig.InitVerify(pgpPub.GetPublicKey());
if (!sig.VerifyCertification(uid, pgpPub.GetPublicKey()))
{
Fail("failed to verify certification");
}
//
// write a public key
//
MemoryStream bOut = new UncloseableMemoryStream();
BcpgOutputStream pOut = new BcpgOutputStream(bOut);
pgpPub.Encode(pOut);
if (!Arrays.AreEqual(bOut.ToArray(), testPubKey))
{
Fail("public key rewrite failed");
}
//
// Read the public key
//
PgpPublicKeyRing pgpPubV3 = new PgpPublicKeyRing(testPubKeyV3);
AsymmetricKeyParameter pubKeyV3 = pgpPub.GetPublicKey().GetKey();
//
// write a V3 public key
//
bOut = new UncloseableMemoryStream();
pOut = new BcpgOutputStream(bOut);
pgpPubV3.Encode(pOut);
//
// Read a v3 private key
//
char[] passP = "FIXCITY_QA".ToCharArray();
{
PgpSecretKeyRing pgpPriv2 = new PgpSecretKeyRing(testPrivKeyV3);
PgpSecretKey pgpPrivSecretKey = pgpPriv2.GetSecretKey();
PgpPrivateKey pgpPrivKey2 = pgpPrivSecretKey.ExtractPrivateKey(passP);
//
// write a v3 private key
//
bOut = new UncloseableMemoryStream();
pOut = new BcpgOutputStream(bOut);
pgpPriv2.Encode(pOut);
byte[] result = bOut.ToArray();
if (!Arrays.AreEqual(result, testPrivKeyV3))
{
Fail("private key V3 rewrite failed");
}
}
//
// Read the private key
//
PgpSecretKeyRing pgpPriv = new PgpSecretKeyRing(testPrivKey);
PgpPrivateKey pgpPrivKey = pgpPriv.GetSecretKey().ExtractPrivateKey(pass);
//
// write a private key
//
bOut = new UncloseableMemoryStream();
pOut = new BcpgOutputStream(bOut);
pgpPriv.Encode(pOut);
if (!Arrays.AreEqual(bOut.ToArray(), testPrivKey))
{
Fail("private key rewrite failed");
}
//
// test encryption
//
IBufferedCipher c = CipherUtilities.GetCipher("RSA");
// c.Init(Cipher.ENCRYPT_MODE, pubKey);
c.Init(true, pubKey);
byte[] inBytes = Encoding.ASCII.GetBytes("hello world");
byte[] outBytes = c.DoFinal(inBytes);
// c.Init(Cipher.DECRYPT_MODE, pgpPrivKey.GetKey());
c.Init(false, pgpPrivKey.Key);
outBytes = c.DoFinal(outBytes);
if (!Arrays.AreEqual(inBytes, outBytes))
{
Fail("decryption failed.");
}
//
// test signature message
//
PgpObjectFactory pgpFact = new PgpObjectFactory(sig1);
PgpCompressedData c1 = (PgpCompressedData)pgpFact.NextPgpObject();
pgpFact = new PgpObjectFactory(c1.GetDataStream());
PgpOnePassSignatureList p1 = (PgpOnePassSignatureList)pgpFact.NextPgpObject();
PgpOnePassSignature ops = p1[0];
PgpLiteralData p2 = (PgpLiteralData)pgpFact.NextPgpObject();
Stream dIn = p2.GetInputStream();
ops.InitVerify(pgpPub.GetPublicKey(ops.KeyId));
int ch;
while ((ch = dIn.ReadByte()) >= 0)
{
ops.Update((byte)ch);
}
PgpSignatureList p3 = (PgpSignatureList)pgpFact.NextPgpObject();
if (!ops.Verify(p3[0]))
{
Fail("Failed signature check");
}
//
// encrypted message - read subkey
//
pgpPriv = new PgpSecretKeyRing(subKey);
//
// encrypted message
//
byte[] text = Encoding.ASCII.GetBytes("hello world!\n");
PgpObjectFactory pgpF = new PgpObjectFactory(enc1);
PgpEncryptedDataList encList = (PgpEncryptedDataList)pgpF.NextPgpObject();
PgpPublicKeyEncryptedData encP = (PgpPublicKeyEncryptedData)encList[0];
pgpPrivKey = pgpPriv.GetSecretKey(encP.KeyId).ExtractPrivateKey(pass);
Stream clear = encP.GetDataStream(pgpPrivKey);
pgpFact = new PgpObjectFactory(clear);
c1 = (PgpCompressedData)pgpFact.NextPgpObject();
pgpFact = new PgpObjectFactory(c1.GetDataStream());
PgpLiteralData ld = (PgpLiteralData)pgpFact.NextPgpObject();
if (!ld.FileName.Equals("test.txt"))
{
throw new Exception("wrong filename in packet");
}
Stream inLd = ld.GetDataStream();
byte[] bytes = Streams.ReadAll(inLd);
if (!Arrays.AreEqual(bytes, text))
{
Fail("wrong plain text in decrypted packet");
}
//
// encrypt - short message
//
byte[] shortText = { (byte)'h', (byte)'e', (byte)'l', (byte)'l', (byte)'o' };
MemoryStream cbOut = new UncloseableMemoryStream();
PgpEncryptedDataGenerator cPk = new PgpEncryptedDataGenerator(SymmetricKeyAlgorithmTag.Cast5, new SecureRandom());
PgpPublicKey puK = pgpPriv.GetSecretKey(encP.KeyId).PublicKey;
cPk.AddMethod(puK);
Stream cOut = cPk.Open(new UncloseableStream(cbOut), shortText.Length);
cOut.Write(shortText, 0, shortText.Length);
cOut.Close();
pgpF = new PgpObjectFactory(cbOut.ToArray());
encList = (PgpEncryptedDataList)pgpF.NextPgpObject();
encP = (PgpPublicKeyEncryptedData)encList[0];
pgpPrivKey = pgpPriv.GetSecretKey(encP.KeyId).ExtractPrivateKey(pass);
if (encP.GetSymmetricAlgorithm(pgpPrivKey) != SymmetricKeyAlgorithmTag.Cast5)
{
Fail("symmetric algorithm mismatch");
}
clear = encP.GetDataStream(pgpPrivKey);
outBytes = Streams.ReadAll(clear);
if (!Arrays.AreEqual(outBytes, shortText))
{
Fail("wrong plain text in generated short text packet");
}
//
// encrypt
//
cbOut = new UncloseableMemoryStream();
cPk = new PgpEncryptedDataGenerator(SymmetricKeyAlgorithmTag.Cast5, new SecureRandom());
puK = pgpPriv.GetSecretKey(encP.KeyId).PublicKey;
cPk.AddMethod(puK);
cOut = cPk.Open(new UncloseableStream(cbOut), text.Length);
cOut.Write(text, 0, text.Length);
cOut.Close();
pgpF = new PgpObjectFactory(cbOut.ToArray());
encList = (PgpEncryptedDataList)pgpF.NextPgpObject();
encP = (PgpPublicKeyEncryptedData)encList[0];
pgpPrivKey = pgpPriv.GetSecretKey(encP.KeyId).ExtractPrivateKey(pass);
clear = encP.GetDataStream(pgpPrivKey);
outBytes = Streams.ReadAll(clear);
if (!Arrays.AreEqual(outBytes, text))
{
Fail("wrong plain text in generated packet");
}
//
// read public key with sub key.
//
pgpF = new PgpObjectFactory(subPubKey);
object o;
while ((o = pgpFact.NextPgpObject()) != null)
{
// TODO Should something be tested here?
// Console.WriteLine(o);
}
//
// key pair generation - CAST5 encryption
//
char[] passPhrase = "hello".ToCharArray();
IAsymmetricCipherKeyPairGenerator kpg = GeneratorUtilities.GetKeyPairGenerator("RSA");
RsaKeyGenerationParameters genParam = new RsaKeyGenerationParameters(
BigInteger.ValueOf(0x10001), new SecureRandom(), 1024, 25);
kpg.Init(genParam);
AsymmetricCipherKeyPair kp = kpg.GenerateKeyPair();
PgpSecretKey secretKey = new PgpSecretKey(
PgpSignature.DefaultCertification,
PublicKeyAlgorithmTag.RsaGeneral,
kp.Public,
kp.Private,
DateTime.UtcNow,
"fred",
SymmetricKeyAlgorithmTag.Cast5,
passPhrase,
null,
null,
new SecureRandom()
);
PgpPublicKey key = secretKey.PublicKey;
enumerator = key.GetUserIds().GetEnumerator();
enumerator.MoveNext();
uid = (string) enumerator.Current;
enumerator = key.GetSignaturesForId(uid).GetEnumerator();
enumerator.MoveNext();
sig = (PgpSignature) enumerator.Current;
sig.InitVerify(key);
if (!sig.VerifyCertification(uid, key))
{
Fail("failed to verify certification");
}
pgpPrivKey = secretKey.ExtractPrivateKey(passPhrase);
key = PgpPublicKey.RemoveCertification(key, uid, sig);
if (key == null)
{
Fail("failed certification removal");
}
byte[] keyEnc = key.GetEncoded();
key = PgpPublicKey.AddCertification(key, uid, sig);
keyEnc = key.GetEncoded();
PgpSignatureGenerator sGen = new PgpSignatureGenerator(PublicKeyAlgorithmTag.RsaGeneral, HashAlgorithmTag.Sha1);
sGen.InitSign(PgpSignature.KeyRevocation, secretKey.ExtractPrivateKey(passPhrase));
sig = sGen.GenerateCertification(key);
key = PgpPublicKey.AddCertification(key, sig);
keyEnc = key.GetEncoded();
PgpPublicKeyRing tmpRing = new PgpPublicKeyRing(keyEnc);
key = tmpRing.GetPublicKey();
IEnumerator sgEnum = key.GetSignaturesOfType(PgpSignature.KeyRevocation).GetEnumerator();
sgEnum.MoveNext();
sig = (PgpSignature) sgEnum.Current;
sig.InitVerify(key);
if (!sig.VerifyCertification(key))
{
Fail("failed to verify revocation certification");
}
//
// use of PgpKeyPair
//
PgpKeyPair pgpKp = new PgpKeyPair(PublicKeyAlgorithmTag.RsaGeneral,
kp.Public, kp.Private, DateTime.UtcNow);
PgpPublicKey k1 = pgpKp.PublicKey;
PgpPrivateKey k2 = pgpKp.PrivateKey;
k1.GetEncoded();
MixedTest(k2, k1);
//
// key pair generation - AES_256 encryption.
//
kp = kpg.GenerateKeyPair();
secretKey = new PgpSecretKey(PgpSignature.DefaultCertification, PublicKeyAlgorithmTag.RsaGeneral, kp.Public, kp.Private, DateTime.UtcNow, "fred", SymmetricKeyAlgorithmTag.Aes256, passPhrase, null, null, new SecureRandom());
secretKey.ExtractPrivateKey(passPhrase);
secretKey.Encode(new UncloseableMemoryStream());
//
// secret key password changing.
//
const string newPass = "******";
secretKey = PgpSecretKey.CopyWithNewPassword(secretKey, passPhrase, newPass.ToCharArray(), secretKey.KeyEncryptionAlgorithm, new SecureRandom());
secretKey.ExtractPrivateKey(newPass.ToCharArray());
secretKey.Encode(new UncloseableMemoryStream());
key = secretKey.PublicKey;
key.Encode(new UncloseableMemoryStream());
enumerator = key.GetUserIds().GetEnumerator();
enumerator.MoveNext();
uid = (string) enumerator.Current;
enumerator = key.GetSignaturesForId(uid).GetEnumerator();
enumerator.MoveNext();
sig = (PgpSignature) enumerator.Current;
sig.InitVerify(key);
if (!sig.VerifyCertification(uid, key))
{
Fail("failed to verify certification");
}
pgpPrivKey = secretKey.ExtractPrivateKey(newPass.ToCharArray());
//
// signature generation
//
const string data = "hello world!";
byte[] dataBytes = Encoding.ASCII.GetBytes(data);
bOut = new UncloseableMemoryStream();
MemoryStream testIn = new MemoryStream(dataBytes, false);
sGen = new PgpSignatureGenerator(
PublicKeyAlgorithmTag.RsaGeneral, HashAlgorithmTag.Sha1);
sGen.InitSign(PgpSignature.BinaryDocument, pgpPrivKey);
PgpCompressedDataGenerator cGen = new PgpCompressedDataGenerator(
CompressionAlgorithmTag.Zip);
BcpgOutputStream bcOut = new BcpgOutputStream(cGen.Open(new UncloseableStream(bOut)));
sGen.GenerateOnePassVersion(false).Encode(bcOut);
PgpLiteralDataGenerator lGen = new PgpLiteralDataGenerator();
DateTime testDateTime = new DateTime(1973, 7, 27);
Stream lOut = lGen.Open(new UncloseableStream(bcOut), PgpLiteralData.Binary, "_CONSOLE",
dataBytes.Length, testDateTime);
// TODO Need a stream object to automatically call Update?
// (via ISigner implementation of PgpSignatureGenerator)
while ((ch = testIn.ReadByte()) >= 0)
{
lOut.WriteByte((byte)ch);
sGen.Update((byte)ch);
}
lOut.Close();
sGen.Generate().Encode(bcOut);
bcOut.Close();
//
// verify generated signature
//
pgpFact = new PgpObjectFactory(bOut.ToArray());
c1 = (PgpCompressedData)pgpFact.NextPgpObject();
pgpFact = new PgpObjectFactory(c1.GetDataStream());
p1 = (PgpOnePassSignatureList)pgpFact.NextPgpObject();
ops = p1[0];
p2 = (PgpLiteralData)pgpFact.NextPgpObject();
if (!p2.ModificationTime.Equals(testDateTime))
{
Fail("Modification time not preserved");
}
dIn = p2.GetInputStream();
ops.InitVerify(secretKey.PublicKey);
// TODO Need a stream object to automatically call Update?
// (via ISigner implementation of PgpSignatureGenerator)
while ((ch = dIn.ReadByte()) >= 0)
{
ops.Update((byte)ch);
}
p3 = (PgpSignatureList)pgpFact.NextPgpObject();
if (!ops.Verify(p3[0]))
{
Fail("Failed generated signature check");
}
//
// signature generation - version 3
//
bOut = new UncloseableMemoryStream();
testIn = new MemoryStream(dataBytes);
PgpV3SignatureGenerator sGenV3 = new PgpV3SignatureGenerator(
PublicKeyAlgorithmTag.RsaGeneral, HashAlgorithmTag.Sha1);
sGen.InitSign(PgpSignature.BinaryDocument, pgpPrivKey);
cGen = new PgpCompressedDataGenerator(CompressionAlgorithmTag.Zip);
bcOut = new BcpgOutputStream(cGen.Open(new UncloseableStream(bOut)));
sGen.GenerateOnePassVersion(false).Encode(bcOut);
lGen = new PgpLiteralDataGenerator();
lOut = lGen.Open(
new UncloseableStream(bcOut),
PgpLiteralData.Binary,
"_CONSOLE",
dataBytes.Length,
testDateTime);
// TODO Need a stream object to automatically call Update?
// (via ISigner implementation of PgpSignatureGenerator)
while ((ch = testIn.ReadByte()) >= 0)
{
lOut.WriteByte((byte) ch);
sGen.Update((byte)ch);
}
lOut.Close();
sGen.Generate().Encode(bcOut);
bcOut.Close();
//
// verify generated signature
//
pgpFact = new PgpObjectFactory(bOut.ToArray());
c1 = (PgpCompressedData)pgpFact.NextPgpObject();
pgpFact = new PgpObjectFactory(c1.GetDataStream());
p1 = (PgpOnePassSignatureList)pgpFact.NextPgpObject();
ops = p1[0];
p2 = (PgpLiteralData)pgpFact.NextPgpObject();
if (!p2.ModificationTime.Equals(testDateTime))
{
Fail("Modification time not preserved");
}
dIn = p2.GetInputStream();
ops.InitVerify(secretKey.PublicKey);
// TODO Need a stream object to automatically call Update?
// (via ISigner implementation of PgpSignatureGenerator)
while ((ch = dIn.ReadByte()) >= 0)
{
ops.Update((byte)ch);
}
p3 = (PgpSignatureList)pgpFact.NextPgpObject();
if (!ops.Verify(p3[0]))
{
Fail("Failed v3 generated signature check");
}
//
// extract PGP 8 private key
//
pgpPriv = new PgpSecretKeyRing(pgp8Key);
secretKey = pgpPriv.GetSecretKey();
pgpPrivKey = secretKey.ExtractPrivateKey(pgp8Pass);
//
// other sig tests
//
PerformTestSig(HashAlgorithmTag.Sha256, secretKey.PublicKey, pgpPrivKey);
PerformTestSig(HashAlgorithmTag.Sha384, secretKey.PublicKey, pgpPrivKey);
PerformTestSig(HashAlgorithmTag.Sha512, secretKey.PublicKey, pgpPrivKey);
FingerPrintTest();
ExistingEmbeddedJpegTest();
EmbeddedJpegTest();
}
public override void PerformTest()
{
//
// Read the public key
//
PgpPublicKeyRing pgpPub = new PgpPublicKeyRing(testPubKey);
var pubKey = pgpPub.GetPublicKey();
//
// Read the private key
//
PgpSecretKeyRing sKey = new PgpSecretKeyRing(testPrivKey);
IPgpSecretKey secretKey = sKey.GetSecretKey();
IPgpPrivateKey pgpPrivKey = secretKey.ExtractPrivateKey(pass);
//
// test signature message
//
PgpObjectFactory pgpFact = new PgpObjectFactory(sig1);
PgpCompressedData c1 = (PgpCompressedData)pgpFact.NextPgpObject();
pgpFact = new PgpObjectFactory(c1.GetDataStream());
PgpOnePassSignatureList p1 = (PgpOnePassSignatureList)pgpFact.NextPgpObject();
PgpOnePassSignature ops = p1[0];
PgpLiteralData p2 = (PgpLiteralData)pgpFact.NextPgpObject();
Stream dIn = p2.GetInputStream();
ops.InitVerify(pubKey);
int ch;
while ((ch = dIn.ReadByte()) >= 0)
{
ops.Update((byte) ch);
}
PgpSignatureList p3 = (PgpSignatureList) pgpFact.NextPgpObject();
if (!ops.Verify(p3[0]))
{
Fail("Failed signature check");
}
//
// signature generation
//
GenerateTest(sKey, pubKey, pgpPrivKey);
//
// signature generation - canonical text
//
const string data = "hello world!";
byte[] dataBytes = Encoding.ASCII.GetBytes(data);
MemoryStream bOut = new MemoryStream();
MemoryStream testIn = new MemoryStream(dataBytes, false);
PgpSignatureGenerator sGen = new PgpSignatureGenerator(
PublicKeyAlgorithmTag.Dsa, HashAlgorithmTag.Sha1);
sGen.InitSign(PgpSignature.CanonicalTextDocument, pgpPrivKey);
PgpCompressedDataGenerator cGen = new PgpCompressedDataGenerator(
CompressionAlgorithmTag.Zip);
BcpgOutputStream bcOut = new BcpgOutputStream(cGen.Open(new UncloseableStream(bOut)));
sGen.GenerateOnePassVersion(false).Encode(bcOut);
PgpLiteralDataGenerator lGen = new PgpLiteralDataGenerator();
DateTime testDateTime = new DateTime(1973, 7, 27);
Stream lOut = lGen.Open(
new UncloseableStream(bcOut),
PgpLiteralData.Text,
"_CONSOLE",
dataBytes.Length,
testDateTime);
while ((ch = testIn.ReadByte()) >= 0)
{
lOut.WriteByte((byte) ch);
sGen.Update((byte)ch);
}
lGen.Close();
sGen.Generate().Encode(bcOut);
cGen.Close();
//
// verify Generated signature - canconical text
//
pgpFact = new PgpObjectFactory(bOut.ToArray());
c1 = (PgpCompressedData) pgpFact.NextPgpObject();
pgpFact = new PgpObjectFactory(c1.GetDataStream());
p1 = (PgpOnePassSignatureList) pgpFact.NextPgpObject();
ops = p1[0];
p2 = (PgpLiteralData) pgpFact.NextPgpObject();
if (!p2.ModificationTime.Equals(testDateTime))
{
Fail("Modification time not preserved");
}
dIn = p2.GetInputStream();
ops.InitVerify(pubKey);
while ((ch = dIn.ReadByte()) >= 0)
{
ops.Update((byte)ch);
}
p3 = (PgpSignatureList) pgpFact.NextPgpObject();
if (!ops.Verify(p3[0]))
{
Fail("Failed generated signature check");
}
//
// Read the public key with user attributes
//
pgpPub = new PgpPublicKeyRing(testPubWithUserAttr);
pubKey = pgpPub.GetPublicKey();
int count = 0;
foreach (PgpUserAttributeSubpacketVector attributes in pubKey.GetUserAttributes())
{
int sigCount = 0;
foreach (object sigs in pubKey.GetSignaturesForUserAttribute(attributes))
{
if (sigs == null)
Fail("null signature found");
sigCount++;
}
if (sigCount != 1)
{
Fail("Failed user attributes signature check");
}
count++;
}
if (count != 1)
{
Fail("Failed user attributes check");
}
byte[] pgpPubBytes = pgpPub.GetEncoded();
pgpPub = new PgpPublicKeyRing(pgpPubBytes);
pubKey = pgpPub.GetPublicKey();
count = 0;
foreach (object ua in pubKey.GetUserAttributes())
{
if (ua == null)
Fail("null user attribute found");
count++;
}
if (count != 1)
{
Fail("Failed user attributes reread");
}
//
// reading test extra data - key with edge condition for DSA key password.
//
char[] passPhrase = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9' };
sKey = new PgpSecretKeyRing(testPrivKey2);
pgpPrivKey = sKey.GetSecretKey().ExtractPrivateKey(passPhrase);
//
// reading test - aes256 encrypted passphrase.
//
sKey = new PgpSecretKeyRing(aesSecretKey);
pgpPrivKey = sKey.GetSecretKey().ExtractPrivateKey(pass);
//
// reading test - twofish encrypted passphrase.
//
sKey = new PgpSecretKeyRing(twofishSecretKey);
pgpPrivKey = sKey.GetSecretKey().ExtractPrivateKey(pass);
//
// use of PgpKeyPair
//
DsaParametersGenerator pGen = new DsaParametersGenerator();
pGen.Init(512, 80, new SecureRandom()); // TODO Is the certainty okay?
DsaParameters dsaParams = pGen.GenerateParameters();
DsaKeyGenerationParameters kgp = new DsaKeyGenerationParameters(new SecureRandom(), dsaParams);
IAsymmetricCipherKeyPairGenerator kpg = GeneratorUtilities.GetKeyPairGenerator("DSA");
kpg.Init(kgp);
IAsymmetricCipherKeyPair kp = kpg.GenerateKeyPair();
PgpKeyPair pgpKp = new PgpKeyPair(PublicKeyAlgorithmTag.Dsa,
kp.Public, kp.Private, DateTime.UtcNow);
PgpPublicKey k1 = pgpKp.PublicKey;
PgpPrivateKey k2 = pgpKp.PrivateKey;
}
private void doTestTextSigV3(
PublicKeyAlgorithmTag encAlgorithm,
HashAlgorithmTag hashAlgorithm,
IPgpPublicKey pubKey,
IPgpPrivateKey privKey,
byte[] data,
byte[] canonicalData)
{
PgpV3SignatureGenerator sGen = new PgpV3SignatureGenerator(encAlgorithm, HashAlgorithmTag.Sha1);
MemoryStream bOut = new MemoryStream();
MemoryStream testIn = new MemoryStream(data, false);
sGen.InitSign(PgpSignature.CanonicalTextDocument, privKey);
sGen.GenerateOnePassVersion(false).Encode(bOut);
PgpLiteralDataGenerator lGen = new PgpLiteralDataGenerator();
Stream lOut = lGen.Open(
new UncloseableStream(bOut),
PgpLiteralData.Text,
"_CONSOLE",
data.Length * 2,
DateTime.UtcNow);
int ch;
while ((ch = testIn.ReadByte()) >= 0)
{
lOut.WriteByte((byte)ch);
sGen.Update((byte)ch);
}
lOut.Write(data, 0, data.Length);
sGen.Update(data);
lGen.Close();
PgpSignature sig = sGen.Generate();
if (sig.CreationTime == DateTimeUtilities.UnixMsToDateTime(0))
{
Fail("creation time not set in v3 signature");
}
sig.Encode(bOut);
verifySignature(bOut.ToArray(), hashAlgorithm, pubKey, canonicalData);
}
/**
* Generated signature test
*
* @param sKey
* @param pgpPrivKey
* @return test result
*/
public void GenerateTest(
PgpSecretKeyRing sKey,
IPgpPublicKey pgpPubKey,
IPgpPrivateKey pgpPrivKey)
{
string data = "hello world!";
MemoryStream bOut = new MemoryStream();
byte[] dataBytes = Encoding.ASCII.GetBytes(data);
MemoryStream testIn = new MemoryStream(dataBytes, false);
PgpSignatureGenerator sGen = new PgpSignatureGenerator(PublicKeyAlgorithmTag.Dsa, HashAlgorithmTag.Sha1);
sGen.InitSign(PgpSignature.BinaryDocument, pgpPrivKey);
PgpSignatureSubpacketGenerator spGen = new PgpSignatureSubpacketGenerator();
IEnumerator enumerator = sKey.GetSecretKey().PublicKey.GetUserIds().GetEnumerator();
enumerator.MoveNext();
string primaryUserId = (string) enumerator.Current;
spGen.SetSignerUserId(true, primaryUserId);
sGen.SetHashedSubpackets(spGen.Generate());
PgpCompressedDataGenerator cGen = new PgpCompressedDataGenerator(
CompressionAlgorithmTag.Zip);
BcpgOutputStream bcOut = new BcpgOutputStream(cGen.Open(new UncloseableStream(bOut)));
sGen.GenerateOnePassVersion(false).Encode(bcOut);
PgpLiteralDataGenerator lGen = new PgpLiteralDataGenerator();
DateTime testDateTime = new DateTime(1973, 7, 27);
Stream lOut = lGen.Open(
new UncloseableStream(bcOut),
PgpLiteralData.Binary,
"_CONSOLE",
dataBytes.Length,
testDateTime);
int ch;
while ((ch = testIn.ReadByte()) >= 0)
{
lOut.WriteByte((byte) ch);
sGen.Update((byte)ch);
}
lGen.Close();
sGen.Generate().Encode(bcOut);
cGen.Close();
PgpObjectFactory pgpFact = new PgpObjectFactory(bOut.ToArray());
PgpCompressedData c1 = (PgpCompressedData)pgpFact.NextPgpObject();
pgpFact = new PgpObjectFactory(c1.GetDataStream());
PgpOnePassSignatureList p1 = (PgpOnePassSignatureList)pgpFact.NextPgpObject();
PgpOnePassSignature ops = p1[0];
PgpLiteralData p2 = (PgpLiteralData) pgpFact.NextPgpObject();
if (!p2.ModificationTime.Equals(testDateTime))
{
Fail("Modification time not preserved");
}
Stream dIn = p2.GetInputStream();
ops.InitVerify(pgpPubKey);
while ((ch = dIn.ReadByte()) >= 0)
{
ops.Update((byte) ch);
}
PgpSignatureList p3 = (PgpSignatureList) pgpFact.NextPgpObject();
if (!ops.Verify(p3[0]))
{
Fail("Failed generated signature check");
}
}
private void EncryptDecryptTest()
{
SecureRandom random = SecureRandom.GetInstance("SHA1PRNG");
byte[] text = Encoding.ASCII.GetBytes("hello world!");
IAsymmetricCipherKeyPairGenerator keyGen = GeneratorUtilities.GetKeyPairGenerator("ECDH");
keyGen.Init(new ECKeyGenerationParameters(SecObjectIdentifiers.SecP256r1, random));
AsymmetricCipherKeyPair kpEnc = keyGen.GenerateKeyPair();
PgpKeyPair ecdhKeyPair = new PgpKeyPair(PublicKeyAlgorithmTag.ECDH, kpEnc, DateTime.UtcNow);
PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator();
MemoryStream ldOut = new MemoryStream();
Stream pOut = lData.Open(ldOut, PgpLiteralDataGenerator.Utf8, PgpLiteralData.Console, text.Length, DateTime.UtcNow);
pOut.Write(text, 0, text.Length);
pOut.Close();
byte[] data = ldOut.ToArray();
MemoryStream cbOut = new MemoryStream();
PgpEncryptedDataGenerator cPk = new PgpEncryptedDataGenerator(SymmetricKeyAlgorithmTag.Cast5, random);
cPk.AddMethod(ecdhKeyPair.PublicKey);
Stream cOut = cPk.Open(new UncloseableStream(cbOut), data.Length);
cOut.Write(data, 0, data.Length);
cOut.Close();
PgpObjectFactory pgpF = new PgpObjectFactory(cbOut.ToArray());
PgpEncryptedDataList encList = (PgpEncryptedDataList)pgpF.NextPgpObject();
PgpPublicKeyEncryptedData encP = (PgpPublicKeyEncryptedData)encList[0];
Stream clear = encP.GetDataStream(ecdhKeyPair.PrivateKey);
pgpF = new PgpObjectFactory(clear);
PgpLiteralData ld = (PgpLiteralData)pgpF.NextPgpObject();
clear = ld.GetInputStream();
MemoryStream bOut = new MemoryStream();
int ch;
while ((ch = clear.ReadByte()) >= 0)
{
bOut.WriteByte((byte)ch);
}
byte[] output = bOut.ToArray();
if (!AreEqual(output, text))
{
Fail("wrong plain text in Generated packet");
}
}
private void doSigGenerateTest(
string privateKeyFile,
string publicKeyFile,
HashAlgorithmTag digest)
{
PgpSecretKeyRing secRing = loadSecretKey(privateKeyFile);
PgpPublicKeyRing pubRing = loadPublicKey(publicKeyFile);
string data = "hello world!";
byte[] dataBytes = Encoding.ASCII.GetBytes(data);
MemoryStream bOut = new MemoryStream();
MemoryStream testIn = new MemoryStream(dataBytes, false);
PgpSignatureGenerator sGen = new PgpSignatureGenerator(PublicKeyAlgorithmTag.Dsa, digest);
sGen.InitSign(PgpSignature.BinaryDocument, secRing.GetSecretKey().ExtractPrivateKey("test".ToCharArray()));
BcpgOutputStream bcOut = new BcpgOutputStream(bOut);
sGen.GenerateOnePassVersion(false).Encode(bcOut);
PgpLiteralDataGenerator lGen = new PgpLiteralDataGenerator();
// Date testDate = new Date((System.currentTimeMillis() / 1000) * 1000);
DateTime testDate = new DateTime(
(DateTime.UtcNow.Ticks / TimeSpan.TicksPerSecond) * TimeSpan.TicksPerSecond);
Stream lOut = lGen.Open(
new UncloseableStream(bcOut),
PgpLiteralData.Binary,
"_CONSOLE",
dataBytes.Length,
testDate);
int ch;
while ((ch = testIn.ReadByte()) >= 0)
{
lOut.WriteByte((byte)ch);
sGen.Update((byte)ch);
}
lGen.Close();
sGen.Generate().Encode(bcOut);
PgpObjectFactory pgpFact = new PgpObjectFactory(bOut.ToArray());
PgpOnePassSignatureList p1 = (PgpOnePassSignatureList)pgpFact.NextPgpObject();
PgpOnePassSignature ops = p1[0];
Assert.AreEqual(digest, ops.HashAlgorithm);
Assert.AreEqual(PublicKeyAlgorithmTag.Dsa, ops.KeyAlgorithm);
PgpLiteralData p2 = (PgpLiteralData)pgpFact.NextPgpObject();
if (!p2.ModificationTime.Equals(testDate))
{
Assert.Fail("Modification time not preserved");
}
Stream dIn = p2.GetInputStream();
ops.InitVerify(pubRing.GetPublicKey());
while ((ch = dIn.ReadByte()) >= 0)
{
ops.Update((byte)ch);
}
PgpSignatureList p3 = (PgpSignatureList)pgpFact.NextPgpObject();
PgpSignature sig = p3[0];
Assert.AreEqual(digest, sig.HashAlgorithm);
Assert.AreEqual(PublicKeyAlgorithmTag.Dsa, sig.KeyAlgorithm);
Assert.IsTrue(ops.Verify(sig));
}
private void MixedTest(
PgpPrivateKey pgpPrivKey,
PgpPublicKey pgpPubKey)
{
byte[] text = Encoding.ASCII.GetBytes("hello world!\n");
//
// literal data
//
MemoryStream bOut = new MemoryStream();
PgpLiteralDataGenerator lGen = new PgpLiteralDataGenerator();
Stream lOut = lGen.Open(
bOut,
PgpLiteralData.Binary,
PgpLiteralData.Console,
text.Length,
DateTime.UtcNow);
lOut.Write(text, 0, text.Length);
lGen.Close();
byte[] bytes = bOut.ToArray();
PgpObjectFactory f = new PgpObjectFactory(bytes);
CheckLiteralData((PgpLiteralData)f.NextPgpObject(), text);
MemoryStream bcOut = new MemoryStream();
PgpEncryptedDataGenerator encGen = new PgpEncryptedDataGenerator(
SymmetricKeyAlgorithmTag.Aes128,
true,
new SecureRandom());
encGen.AddMethod(pgpPubKey);
encGen.AddMethod("password".ToCharArray(), HashAlgorithmTag.Sha1);
Stream cOut = encGen.Open(bcOut, bytes.Length);
cOut.Write(bytes, 0, bytes.Length);
cOut.Close();
byte[] encData = bcOut.ToArray();
//
// asymmetric
//
PgpObjectFactory pgpF = new PgpObjectFactory(encData);
PgpEncryptedDataList encList = (PgpEncryptedDataList) pgpF.NextPgpObject();
PgpPublicKeyEncryptedData encP = (PgpPublicKeyEncryptedData)encList[0];
Stream clear = encP.GetDataStream(pgpPrivKey);
PgpObjectFactory pgpFact = new PgpObjectFactory(clear);
CheckLiteralData((PgpLiteralData)pgpFact.NextPgpObject(), text);
//
// PBE
//
pgpF = new PgpObjectFactory(encData);
encList = (PgpEncryptedDataList)pgpF.NextPgpObject();
PgpPbeEncryptedData encPbe = (PgpPbeEncryptedData) encList[1];
clear = encPbe.GetDataStream("password".ToCharArray());
pgpF = new PgpObjectFactory(clear);
CheckLiteralData((PgpLiteralData) pgpF.NextPgpObject(), text);
}
private byte[] generateV3BinarySig(
IPgpPrivateKey privKey,
PublicKeyAlgorithmTag encAlgorithm,
HashAlgorithmTag hashAlgorithm)
{
MemoryStream bOut = new MemoryStream();
MemoryStream testIn = new MemoryStream(TEST_DATA, false);
PgpV3SignatureGenerator sGen = new PgpV3SignatureGenerator(encAlgorithm, hashAlgorithm);
sGen.InitSign(PgpSignature.BinaryDocument, privKey);
sGen.GenerateOnePassVersion(false).Encode(bOut);
PgpLiteralDataGenerator lGen = new PgpLiteralDataGenerator();
Stream lOut = lGen.Open(
new UncloseableStream(bOut),
PgpLiteralData.Binary,
"_CONSOLE",
TEST_DATA.Length * 2,
DateTime.UtcNow);
int ch;
while ((ch = testIn.ReadByte()) >= 0)
{
lOut.WriteByte((byte)ch);
sGen.Update((byte)ch);
}
lOut.Write(TEST_DATA, 0, TEST_DATA.Length);
sGen.Update(TEST_DATA);
lGen.Close();
sGen.Generate().Encode(bOut);
return bOut.ToArray();
}
public override void PerformTest()
{
byte[] data = DecryptMessage(enc1);
if (data[0] != 'h' || data[1] != 'e' || data[2] != 'l')
{
Fail("wrong plain text in packet");
}
//
// create a PBE encrypted message and read it back.
//
byte[] text = Encoding.ASCII.GetBytes("hello world!\n");
//
// encryption step - convert to literal data, compress, encode.
//
MemoryStream bOut = new UncloseableMemoryStream();
PgpCompressedDataGenerator comData = new PgpCompressedDataGenerator(
CompressionAlgorithmTag.Zip);
PgpLiteralDataGenerator lData = new PgpLiteralDataGenerator();
Stream comOut = comData.Open(new UncloseableStream(bOut));
Stream ldOut = lData.Open(
new UncloseableStream(comOut),
PgpLiteralData.Binary,
PgpLiteralData.Console,
text.Length,
TestDateTime);
ldOut.Write(text, 0, text.Length);
ldOut.Close();
comOut.Close();
//
// encrypt - with stream close
//
MemoryStream cbOut = new UncloseableMemoryStream();
PgpEncryptedDataGenerator cPk = new PgpEncryptedDataGenerator(
SymmetricKeyAlgorithmTag.Cast5, new SecureRandom());
cPk.AddMethod(pass, HashAlgorithmTag.Sha1);
byte[] bOutData = bOut.ToArray();
Stream cOut = cPk.Open(new UncloseableStream(cbOut), bOutData.Length);
cOut.Write(bOutData, 0, bOutData.Length);
cOut.Close();
data = DecryptMessage(cbOut.ToArray());
if (!Arrays.AreEqual(data, text))
{
Fail("wrong plain text in generated packet");
}
//
// encrypt - with generator close
//
cbOut = new UncloseableMemoryStream();
cPk = new PgpEncryptedDataGenerator(
SymmetricKeyAlgorithmTag.Cast5, new SecureRandom());
cPk.AddMethod(pass, HashAlgorithmTag.Sha1);
bOutData = bOut.ToArray();
cOut = cPk.Open(new UncloseableStream(cbOut), bOutData.Length);
cOut.Write(bOutData, 0, bOutData.Length);
cPk.Close();
data = DecryptMessage(cbOut.ToArray());
if (!AreEqual(data, text))
{
Fail("wrong plain text in generated packet");
}
//
// encrypt - partial packet style.
//
SecureRandom rand = new SecureRandom();
byte[] test = new byte[1233];
rand.NextBytes(test);
bOut = new UncloseableMemoryStream();
comData = new PgpCompressedDataGenerator(
CompressionAlgorithmTag.Zip);
comOut = comData.Open(new UncloseableStream(bOut));
lData = new PgpLiteralDataGenerator();
ldOut = lData.Open(
new UncloseableStream(comOut),
PgpLiteralData.Binary,
PgpLiteralData.Console,
TestDateTime,
new byte[16]);
ldOut.Write(test, 0, test.Length);
lData.Close();
comData.Close();
cbOut = new UncloseableMemoryStream();
cPk = new PgpEncryptedDataGenerator(
SymmetricKeyAlgorithmTag.Cast5, rand);
cPk.AddMethod(pass, HashAlgorithmTag.Sha1);
cOut = cPk.Open(new UncloseableStream(cbOut), new byte[16]);
{
byte[] tmp = bOut.ToArray();
cOut.Write(tmp, 0, tmp.Length);
}
cPk.Close();
data = DecryptMessage(cbOut.ToArray());
if (!Arrays.AreEqual(data, test))
{
Fail("wrong plain text in generated packet");
}
//
// with integrity packet
//
cbOut = new UncloseableMemoryStream();
cPk = new PgpEncryptedDataGenerator(
SymmetricKeyAlgorithmTag.Cast5, true, rand);
cPk.AddMethod(pass, HashAlgorithmTag.Sha1);
cOut = cPk.Open(new UncloseableStream(cbOut), new byte[16]);
bOutData = bOut.ToArray();
cOut.Write(bOutData, 0, bOutData.Length);
cPk.Close();
data = DecryptMessage(cbOut.ToArray());
if (!Arrays.AreEqual(data, test))
{
Fail("wrong plain text in generated packet");
}
//
// decrypt with buffering
//
data = DecryptMessageBuffered(cbOut.ToArray());
if (!AreEqual(data, test))
{
Fail("wrong plain text in buffer generated packet");
}
//
// sample message
//
PgpObjectFactory pgpFact = new PgpObjectFactory(testPBEAsym);
PgpEncryptedDataList enc = (PgpEncryptedDataList)pgpFact.NextPgpObject();
PgpPbeEncryptedData pbe = (PgpPbeEncryptedData) enc[1];
Stream clear = pbe.GetDataStream("password".ToCharArray());
pgpFact = new PgpObjectFactory(clear);
PgpLiteralData ld = (PgpLiteralData) pgpFact.NextPgpObject();
Stream unc = ld.GetInputStream();
byte[] bytes = Streams.ReadAll(unc);
if (!AreEqual(bytes, Hex.Decode("5361742031302e30322e30370d0a")))
{
Fail("data mismatch on combined PBE");
}
//
// with integrity packet - one byte message
//
byte[] msg = new byte[1];
bOut = new MemoryStream();
comData = new PgpCompressedDataGenerator(
CompressionAlgorithmTag.Zip);
lData = new PgpLiteralDataGenerator();
comOut = comData.Open(new UncloseableStream(bOut));
ldOut = lData.Open(
new UncloseableStream(comOut),
PgpLiteralData.Binary,
PgpLiteralData.Console,
msg.Length,
TestDateTime);
ldOut.Write(msg, 0, msg.Length);
ldOut.Close();
comOut.Close();
cbOut = new MemoryStream();
cPk = new PgpEncryptedDataGenerator(SymmetricKeyAlgorithmTag.Cast5, true, rand);
cPk.AddMethod(pass, HashAlgorithmTag.Sha1);
cOut = cPk.Open(new UncloseableStream(cbOut), new byte[16]);
data = bOut.ToArray();
cOut.Write(data, 0, data.Length);
cOut.Close();
data = DecryptMessage(cbOut.ToArray());
if (!AreEqual(data, msg))
{
Fail("wrong plain text in generated packet");
}
//
// decrypt with buffering
//
data = DecryptMessageBuffered(cbOut.ToArray());
if (!AreEqual(data, msg))
{
Fail("wrong plain text in buffer generated packet");
}
}