/**
* decrypt the passed in message stream
*/
private byte[] DecryptMessage(
byte[] message)
{
PgpObjectFactory pgpF = new PgpObjectFactory(message);
PgpEncryptedDataList enc = (PgpEncryptedDataList) pgpF.NextPgpObject();
PgpPbeEncryptedData pbe = (PgpPbeEncryptedData) enc[0];
Stream clear = pbe.GetDataStream(pass);
PgpObjectFactory pgpFact = new PgpObjectFactory(clear);
PgpCompressedData cData = (PgpCompressedData) pgpFact.NextPgpObject();
pgpFact = new PgpObjectFactory(cData.GetDataStream());
PgpLiteralData ld = (PgpLiteralData) pgpFact.NextPgpObject();
if (!ld.FileName.Equals("test.txt")
&& !ld.FileName.Equals("_CONSOLE"))
{
Fail("wrong filename in packet");
}
if (!ld.ModificationTime.Equals(TestDateTime))
{
Fail("wrong modification time in packet: " + ld.ModificationTime + " vs " + TestDateTime);
}
Stream unc = ld.GetInputStream();
byte[] bytes = Streams.ReadAll(unc);
if (pbe.IsIntegrityProtected() && !pbe.Verify())
{
Fail("integrity check failed");
}
return bytes;
}
public override void PerformTest()
{
//
// test encrypted message
//
PgpObjectFactory pgpFact = new PgpObjectFactory(message1);
if (pgpFact.NextPgpObject() is PgpMarker)
{
if (pgpFact.NextPgpObject() is PgpEncryptedDataList)
{
return;
}
else
{
Fail("error processing after marker.");
}
}
// TODO Does this even get called?
pgpFact = new PgpObjectFactory(message2);
if (pgpFact.NextPgpObject() is PgpMarker)
{
if (!(pgpFact.NextPgpObject() is PgpEncryptedDataList))
{
return;
}
else
{
Fail("error processing after marker.");
}
}
}
private PgpObject GetClearCompressedMessage(PgpPublicKeyEncryptedData publicKeyED, ChoPGPEncryptionKeys encryptionKeys)
{
PgpObjectFactory clearFactory = GetClearDataStream(encryptionKeys.PrivateKey, publicKeyED);
PgpObject message = clearFactory.NextPgpObject();
if (message is PgpOnePassSignatureList)
{
message = clearFactory.NextPgpObject();
}
return(message);
}
public EncryptionKeys(string publicKeyText, Boolean isKey)
{
if (string.IsNullOrEmpty(publicKeyText))
{
throw new ArgumentException("Public key string is NULL.", "publicKeyString");
}
PgpObjectFactory pgpObjectFactory = new PgpObjectFactory(Convert.FromBase64String(publicKeyText));
PgpPublicKeyRing pgpPublicKeyRing = (PgpPublicKeyRing)pgpObjectFactory.NextPgpObject();
PublicKey = pgpPublicKeyRing.GetPublicKey();
}
public String DecryptMessage(String encryptedMessage, char[] passPhrase)
{
// Remove the Base64 encoding
byte[] rawMessage = Convert.FromBase64String(encryptedMessage);
Stream inputStream = new MemoryStream(rawMessage);
inputStream = PgpUtilities.GetDecoderStream(inputStream);
PgpObjectFactory pgpF = new PgpObjectFactory(inputStream);
PgpEncryptedDataList enc = null;
PgpObject o = pgpF.NextPgpObject();
//
// the first object might be a PGP marker packet.
//
if (o is PgpEncryptedDataList)
{
enc = (PgpEncryptedDataList)o;
}
else
{
enc = (PgpEncryptedDataList)pgpF.NextPgpObject();
}
PgpPbeEncryptedData pbe = (PgpPbeEncryptedData)enc[0];
Stream clear = pbe.GetDataStream(passPhrase);
PgpObjectFactory pgpFact = new PgpObjectFactory(clear);
PgpLiteralData ld = (PgpLiteralData)pgpFact.NextPgpObject();
Stream unc = ld.GetInputStream();
String message;
using (StreamReader reader = new StreamReader(unc, Encoding.UTF8))
{
message = reader.ReadToEnd();
}
// Finally verify the integrity
if (pbe.IsIntegrityProtected())
{
if (!pbe.Verify())
{
throw new MessageVerificationException("Failed to verify the message. It might have been modified in transit.");
}
}
return(message);
}
public void Add(string hash, byte[] rawSignature)
{
using (MemoryStream stream = new MemoryStream(rawSignature))
using (var signatureStream = PgpUtilities.GetDecoderStream(stream))
{
PgpObjectFactory pgpFactory = new PgpObjectFactory(signatureStream);
PgpSignatureList signatureList = (PgpSignatureList)pgpFactory.NextPgpObject();
PgpSignature signature = signatureList[0];
this.Signatures.Add(hash, signature);
}
}
public void decrypt(Stream input, string outputpath)
{
input = PgpUtilities.GetDecoderStream(input);
try
{
PgpObjectFactory pgpObjF = new PgpObjectFactory(input);
PgpEncryptedDataList enc;
PgpObject obj = pgpObjF.NextPgpObject();
if (obj is PgpEncryptedDataList)
{
enc = (PgpEncryptedDataList)obj;
}
else
{
enc = (PgpEncryptedDataList)pgpObjF.NextPgpObject();
}
PgpPrivateKey privKey = _decryptionKeys.PrivateKey;
PgpPublicKeyEncryptedData pbe = null;
foreach (PgpPublicKeyEncryptedData pked in enc.GetEncryptedDataObjects())
{
if (privKey != null)
{
pbe = pked;
break;
}
}
Stream clear = pbe.GetDataStream(privKey);
PgpObjectFactory plainFact = new PgpObjectFactory(clear);
PgpObject message = plainFact.NextPgpObject();
if (message is PgpOnePassSignatureList)
{
PgpLiteralData Ld = null;
Ld = (PgpLiteralData)message;
Stream output = File.Create(outputpath + "\\" + Ld.FileName);
Stream unc = Ld.GetInputStream();
Streams.PipeAll(unc, output);
}
else
{
PgpLiteralData Ld = null;
Ld = (PgpLiteralData)message;
Stream output = File.Create(outputpath + "\\" + Ld.FileName);
Stream unc = Ld.GetInputStream();
Streams.PipeAll(unc, output);
}
}
catch (Exception e)
{
throw new Exception(e.Message);
}
}
private void DoTestSignedEncMessage()
{
PgpObjectFactory pgpFact = new PgpObjectFactory(signedEncMessage);
PgpEncryptedDataList encList = (PgpEncryptedDataList)pgpFact.NextPgpObject();
PgpPublicKeyEncryptedData encP = (PgpPublicKeyEncryptedData)encList[0];
PgpPublicKeyRing publicKeyRing = new PgpPublicKeyRing(testPubKey);
PgpPublicKey publicKey = publicKeyRing.GetPublicKey(encP.KeyId);
PgpSecretKey secretKey = PgpSecretKey.ParseSecretKeyFromSExpr(new MemoryStream(sExprKeySub, false),
"test".ToCharArray(), publicKey);
Stream clear = encP.GetDataStream(secretKey.ExtractPrivateKey(null));
PgpObjectFactory plainFact = new PgpObjectFactory(clear);
PgpCompressedData cData = (PgpCompressedData)plainFact.NextPgpObject();
PgpObjectFactory compFact = new PgpObjectFactory(cData.GetDataStream());
PgpOnePassSignatureList sList = (PgpOnePassSignatureList)compFact.NextPgpObject();
PgpOnePassSignature ops = sList[0];
PgpLiteralData lData = (PgpLiteralData)compFact.NextPgpObject();
if (!"test.txt".Equals(lData.FileName))
{
Fail("wrong file name detected");
}
Stream dIn = lData.GetInputStream();
ops.InitVerify(publicKeyRing.GetPublicKey(ops.KeyId));
int ch;
while ((ch = dIn.ReadByte()) >= 0)
{
ops.Update((byte)ch);
}
PgpSignatureList p3 = (PgpSignatureList)compFact.NextPgpObject();
if (!ops.Verify(p3[0]))
{
Fail("Failed signature check");
}
}
/// <summary>
/// Gets a PGP signature.
/// </summary>
/// <param name="tag">
/// The tag which contains the PGP signature.
/// </param>
/// <returns>
/// A <see cref="PgpSignature"/> object which represents the PGP signature.
/// </returns>
private PgpSignature GetPgpSignature(SignatureTag tag)
{
byte[] value = (byte[])this.Package.Signature.Records[tag].Value;
using (MemoryStream stream = new MemoryStream(value))
using (var signatureStream = PgpUtilities.GetDecoderStream(stream))
{
PgpObjectFactory pgpFactory = new PgpObjectFactory(signatureStream);
PgpSignatureList signatureList = (PgpSignatureList)pgpFactory.NextPgpObject();
PgpSignature signature = signatureList[0];
return signature;
}
}
/// <summary>
/// Decompress previously compressed BZIP2 output encoded using ASCII
/// armor format.
/// </summary>
/// <param name="data">
/// The data to decompress.
/// </param>
/// <returns>
/// The decompressed <see cref="byte"/> array.
/// </returns>
public static byte[] DecompressData(byte[] data)
{
using (var stream = new MemoryStream(data))
{
var objectFactory = new PgpObjectFactory(PgpUtilities.GetDecoderStream(stream));
var compressedData = (PgpCompressedData)objectFactory.NextPgpObject();
using (var compressedDataStream = compressedData.GetDataStream())
{
var actualBytes = Streams.ReadAll(compressedDataStream);
return(actualBytes);
}
}
}
/// <summary>
/// Process each message block type depending on the type.
/// </summary>
/// <param name="encryptedData">
/// Encrypted data packets.
/// </param>
/// <param name="outputStream">
/// Stream to write output.
/// </param>
/// <param name="publicKeyStream">
/// Public key stream for validating signature.
/// </param>
/// <param name="privateKey">
/// Private key for decrypting data.
/// </param>
/// <returns>
/// Return true if the data is valid; false otherwise.
/// </returns>
private static bool ProcessDecryptionMessageBlocks(
PgpPublicKeyEncryptedData encryptedData,
Stream outputStream,
Stream publicKeyStream,
PgpPrivateKey privateKey)
{
var valid = true;
PgpOnePassSignatureList onePassSignatureList = null;
PgpOnePassSignature onePassSignature = null;
PgpPublicKey publicKey = null;
var clear = encryptedData.GetDataStream(privateKey);
var plainFact = new PgpObjectFactory(clear);
var message = plainFact.NextPgpObject();
while (message != null)
{
Console.WriteLine(message.ToString());
if (message is PgpCompressedData)
{
var compressedData = (PgpCompressedData)message;
plainFact = new PgpObjectFactory(compressedData.GetDataStream());
}
else if (message is PgpLiteralData)
{
onePassSignature = InitOnePassSignatureFromLiteral(
publicKeyStream,
onePassSignatureList,
ref publicKey);
ProcessDecryptionStreams(outputStream, message, onePassSignature);
}
else if (message is PgpOnePassSignatureList)
{
onePassSignatureList = (PgpOnePassSignatureList)message;
}
else if (message is PgpSignatureList)
{
valid = VerifyOnePassSignature(message, onePassSignature, publicKey, valid);
}
else
{
throw new PgpException("message unknown message type.");
}
message = plainFact.NextPgpObject();
}
return(valid);
}
/**
* verify the signature in in against the file fileName.
*/
private static void VerifySignature(
string fileName,
Stream inputStream,
Stream keyIn)
{
inputStream = PgpUtilities.GetDecoderStream(inputStream);
PgpObjectFactory pgpFact = new PgpObjectFactory(inputStream);
PgpSignatureList p3 = null;
PgpObject o = pgpFact.NextPgpObject();
if (o is PgpCompressedData)
{
PgpCompressedData c1 = (PgpCompressedData)o;
pgpFact = new PgpObjectFactory(c1.GetDataStream());
p3 = (PgpSignatureList)pgpFact.NextPgpObject();
}
else
{
p3 = (PgpSignatureList)o;
}
PgpPublicKeyRingBundle pgpPubRingCollection = new PgpPublicKeyRingBundle(
PgpUtilities.GetDecoderStream(keyIn));
Stream dIn = File.OpenRead(fileName);
PgpSignature sig = p3[0];
PgpPublicKey key = pgpPubRingCollection.GetPublicKey(sig.KeyId);
sig.InitVerify(key);
int ch;
while ((ch = dIn.ReadByte()) >= 0)
{
sig.Update((byte)ch);
}
dIn.Close();
if (sig.Verify())
{
Console.WriteLine("signature verified.");
}
else
{
Console.WriteLine("signature verification failed.");
}
}
/// <summary>
/// Create PGP-decrypting stream around a PGP-encrypted input source stream
/// </summary>
/// <param name="privatekeysource">Input stream containing private keyring bundle</param>
/// <param name="privatekeypassphrase">Passphrase to access private key (if required)</param>
/// <param name="encryptedinput">Input stream containing source data to be decrypted</param>
/// <returns>
/// A StreamStack object, from which decrypted data can be read
/// </returns>
/// <remarks>
/// - Caller is responsible for disposing of returned StreamStack (BEFORE disposing of original encryptedinput Stream)
/// - Caller is also still responsible for disposing of encryptedinput stream (AFTER disposing of returned StreamStack)
/// - Source data stream will be read synchronously (due to limitation in PGP library; all source data must be available to perform decryption,
/// but source library does not provide async option). If this is a concern, caller should consider asynchronously pulling source data into local
/// stream first and passing local stream to this function (if increased use of memory outweighs waiting for blocked thread to perform I/O)
/// </remarks>
public static async Task <StreamStack> GetDecryptionStream(Stream privatekeysource, string privatekeypassphrase, Stream encryptedinput)
{
var decryptionstream = new StreamStack();
try
{
// Open decoder stream and push on to return value stack:
decryptionstream.PushStream(PgpUtilities.GetDecoderStream(encryptedinput));
// Create object factory (using stream at top of stack) to extract encrypted data:
var factory = new PgpObjectFactory(decryptionstream.GetStream());
var encrypteddata = factory.GetEncryptedData() ?? throw new ArgumentException("No PGP-encrypted data found");
// Extract private key from key source (using key ID required by encrypted data object), use to open
// clear stream and push on to return value stack:
decryptionstream.PushStream(encrypteddata.GetDataStream(await ExtractPrivateKey(privatekeysource, privatekeypassphrase, encrypteddata.KeyId)));
// Create new factory from clear stream and extract first PGP object:
factory = new PgpObjectFactory(decryptionstream.GetStream());
var message = factory.NextPgpObject();
while (message != null)
{
// If object is literal data, push de-literalization stream on to return value stack and return:
if (message is PgpLiteralData cleardata)
{
decryptionstream.PushStream(cleardata.GetInputStream());
return(decryptionstream);
}
// Otherwise if this is compressed data, we need to push decompression stream on to return value
// stack, then create a new object factory to extract data from decompressed source:
else if (message is PgpCompressedData compresseddata)
{
decryptionstream.PushStream(compresseddata.GetDataStream());
factory = new PgpObjectFactory(decryptionstream.GetStream());
}
// Extract next message object from factory and continue:
message = factory.NextPgpObject();
}
// If this point is reached, no literal packet was ever found
throw new ArgumentException("Invalid PGP data (no payload found)");
}
catch
{
decryptionstream.Dispose();
throw;
}
}
private void doTestMissingSubpackets(byte[] signature)
{
PgpObjectFactory f = new PgpObjectFactory(signature);
object obj = f.NextPgpObject();
while (!(obj is PgpSignatureList))
{
obj = f.NextPgpObject();
if (obj is PgpLiteralData)
{
Stream input = ((PgpLiteralData)obj).GetDataStream();
Streams.Drain(input);
}
}
PgpSignature sig = ((PgpSignatureList)obj)[0];
if (sig.Version > 3)
{
PgpSignatureSubpacketVector v = sig.GetHashedSubPackets();
if (v.GetKeyExpirationTime() != 0)
{
Fail("key expiration time not zero for missing subpackets");
}
if (!sig.HasSubpackets)
{
Fail("HasSubpackets property was false with packets");
}
}
else
{
if (sig.GetHashedSubPackets() != null)
{
Fail("hashed sub packets found when none expected");
}
if (sig.GetUnhashedSubPackets() != null)
{
Fail("unhashed sub packets found when none expected");
}
if (sig.HasSubpackets)
{
Fail("HasSubpackets property was true with no packets");
}
}
}
/// <summary>
/// PGP-decrypt all data from source stream into destination stream
/// </summary>
/// <param name="privatekeysource">Input stream containing private keyring bundle</param>
/// <param name="privatekeypassphrase">Passphrase to access private key (if required)</param>
/// <param name="encryptedinput">Input stream containing source data to be decrypted</param>
/// <param name="clearoutput">Output stream to receive decrypted data</param>
/// <remarks>
/// Destination data stream will be written asynchronously, but source data stream will be read synchronously (due to limitation in PGP
/// library; all source data must be available to perform decryption, but source library does not provide async option). If this is a concern,
/// caller should consider asynchronously pulling source data into local stream first and passing local stream to this function (if increased
/// use of memory outweighs waiting for blocked thread to perform I/O)
/// </remarks>
public static async Task Decrypt(Stream privatekeysource, string privatekeypassphrase, Stream encryptedinput, Stream clearoutput)
{
// Create object factory using DecoderStream to read PGP data from source, use factory to extract encrypted data:
using (var decoder = PgpUtilities.GetDecoderStream(encryptedinput))
{
var encrypteddata = new PgpObjectFactory(decoder).GetEncryptedData() ?? throw new ArgumentException("No PGP-encrypted data found");
// Extract private key from key source (using key ID required by encrypted data object), use to open clear stream:
using (var clearsource = encrypteddata.GetDataStream(await ExtractPrivateKey(privatekeysource, privatekeypassphrase, encrypteddata.KeyId)))
{
// Create new object factory from clear stream and use to write cleartext data to destination:
await new PgpObjectFactory(clearsource).WriteClearData(clearoutput);
}
}
}
private void ValidateData(
byte[] compressed)
{
PgpObjectFactory pgpFact = new PgpObjectFactory(compressed);
PgpCompressedData c1 = (PgpCompressedData) pgpFact.NextPgpObject();
Stream pIn = c1.GetDataStream();
byte[] bytes = Streams.ReadAll(pIn);
pIn.Close();
if (!AreEqual(bytes, Data))
{
Fail("compression test failed");
}
}
// Note: I was able to extract the private key into xml format .Net expecs with this
public static string GetPrivateKeyXml(string inputData)
{
Stream inputStream = IoHelper.GetStream(inputData);
PgpObjectFactory pgpFactory = new PgpObjectFactory(PgpUtilities.GetDecoderStream(inputStream));
PgpObject pgp = null;
if (pgpFactory != null)
{
pgp = pgpFactory.NextPgpObject();
}
PgpEncryptedDataList encryptedData = null;
if (pgp is PgpEncryptedDataList)
{
encryptedData = (PgpEncryptedDataList)pgp;
}
else
{
encryptedData = (PgpEncryptedDataList)pgpFactory.NextPgpObject();
}
Stream privateKeyStream = File.OpenRead(PrivateKeyOnlyPath);
// find secret key
PgpSecretKeyRingBundle pgpKeyRing = new PgpSecretKeyRingBundle(PgpUtilities.GetDecoderStream(privateKeyStream));
PgpPrivateKey privateKey = null;
foreach (PgpPublicKeyEncryptedData pked in encryptedData.GetEncryptedDataObjects())
{
privateKey = FindSecretKey(pgpKeyRing, pked.KeyId, Password.ToCharArray());
if (privateKey != null)
{
//pubKeyData = pked;
break;
}
}
// get xml:
RsaPrivateCrtKeyParameters rpckp = ((RsaPrivateCrtKeyParameters)privateKey.Key);
RSAParameters dotNetParams = DotNetUtilities.ToRSAParameters(rpckp);
RSA rsa = RSA.Create();
rsa.ImportParameters(dotNetParams);
string xmlPrivate = rsa.ToXmlString(true);
return(xmlPrivate);
}
private static void Decrypt(PgpCompressedData objCompressed, Stream outputStream)
{
using (var compressedStream = objCompressed.GetDataStream())
{
var factory = new PgpObjectFactory(compressedStream);
var obj = factory.NextPgpObject();
if (obj is PgpOnePassSignatureList)
{
Decrypt((PgpLiteralData)factory.NextPgpObject(), outputStream);
}
else
{
Decrypt((PgpLiteralData)obj, outputStream);
}
}
}
private static void Main()
{
if (!File.Exists("MANIFEST.json.asc"))
{
return;
}
Stream inputStream = File.OpenRead("MANIFEST.json.asc");
Stream keyIn = File.OpenRead("gpg");
// https://github.com/bcgit/bc-csharp/blob/master/crypto/test/src/openpgp/examples/DetachedSignatureProcessor.cs
inputStream = PgpUtilities.GetDecoderStream(inputStream);
PgpObjectFactory pgpFact = new PgpObjectFactory(inputStream);
PgpSignatureList p3;
PgpObject o = pgpFact.NextPgpObject();
if (o is PgpCompressedData c1)
{
pgpFact = new PgpObjectFactory(c1.GetDataStream());
p3 = (PgpSignatureList)pgpFact.NextPgpObject();
}
else
{
p3 = (PgpSignatureList)o;
}
PgpPublicKeyRingBundle pgpPubRingCollection = new PgpPublicKeyRingBundle(PgpUtilities.GetDecoderStream(keyIn));
Stream dIn = File.OpenRead("MANIFEST.json");
PgpSignature sig = p3[0];
PgpPublicKey key = pgpPubRingCollection.GetPublicKey(sig.KeyId);
sig.InitVerify(key);
int ch;
while ((ch = dIn.ReadByte()) >= 0)
{
sig.Update((byte)ch);
}
dIn.Close();
Console.WriteLine(sig.Verify() ? "signature verified." : "signature verification failed.");
}
public void DecryptFile(Stream outStream, Stream inputStream, char[] passPhrase)
{
inputStream = PgpUtilities.GetDecoderStream(inputStream);
PgpObjectFactory pgpF = new PgpObjectFactory(inputStream);
PgpEncryptedDataList enc = null;
PgpObject o = pgpF.NextPgpObject();
//
// the first object might be a PGP marker packet.
//
if (o is PgpEncryptedDataList)
{
enc = (PgpEncryptedDataList)o;
}
else
{
enc = (PgpEncryptedDataList)pgpF.NextPgpObject();
}
PgpPbeEncryptedData pbe = (PgpPbeEncryptedData)enc[0];
Stream clear = pbe.GetDataStream(passPhrase);
PgpObjectFactory pgpFact = new PgpObjectFactory(clear);
PgpLiteralData ld = (PgpLiteralData)pgpFact.NextPgpObject();
Stream unc = ld.GetInputStream();
byte[] buf = new byte[1 << 16];
int len;
while ((len = unc.Read(buf, 0, buf.Length)) > 0)
{
outStream.Write(buf, 0, len);
}
// Finally verify the integrity
if (pbe.IsIntegrityProtected())
{
if (!pbe.Verify())
{
throw new MessageVerificationException("Failed to verify the message. It might have been modified in transit.");
}
}
}
/// <summary>
/// Verify the signature against the file.
/// </summary>
/// <param name="fileName">
/// File to validate
/// </param>
/// <param name="signatureStream">
/// Signature to validate.
/// </param>
/// <param name="keyStream">
/// Public key to use for signature validation.
/// </param>
/// <returns>
/// The <see cref="bool"/> flag indicating verification success; false means
/// the signature is invalid.
/// </returns>
public static bool VerifyDetachedFileSignature(string fileName, Stream signatureStream, Stream keyStream)
{
signatureStream = PgpUtilities.GetDecoderStream(signatureStream);
var objectFactory = new PgpObjectFactory(signatureStream);
PgpSignatureList signatureList;
var @object = objectFactory.NextPgpObject();
if (@object is PgpCompressedData)
{
var compressedData = (PgpCompressedData)@object;
objectFactory = new PgpObjectFactory(compressedData.GetDataStream());
signatureList = (PgpSignatureList)objectFactory.NextPgpObject();
}
else
{
signatureList = (PgpSignatureList)@object;
}
var pgpPubRingCollection = new PgpPublicKeyRingBundle(PgpUtilities.GetDecoderStream(keyStream));
var signature = signatureList[0];
var key = pgpPubRingCollection.GetPublicKey(signature.KeyId);
signature.InitVerify(key);
using (var fileDataStream = File.OpenRead(fileName))
{
int read;
var buffer = new byte[PgpCommon.BufferSize];
while ((read = fileDataStream.Read(buffer, 0, buffer.Length)) > 0)
{
signature.Update(buffer, 0, read);
}
}
if (!signature.Verify())
{
Console.WriteLine("signature verification failed.");
return(false);
}
Console.WriteLine("signature verified.");
return(true);
}
private byte[] DecryptMessageBuffered(
byte[] message)
{
PgpObjectFactory pgpF = new PgpObjectFactory(message);
PgpEncryptedDataList enc = (PgpEncryptedDataList)pgpF.NextPgpObject();
PgpPbeEncryptedData pbe = (PgpPbeEncryptedData)enc[0];
Stream clear = pbe.GetDataStream(pass);
PgpObjectFactory pgpFact = new PgpObjectFactory(clear);
PgpCompressedData cData = (PgpCompressedData)pgpFact.NextPgpObject();
pgpFact = new PgpObjectFactory(cData.GetDataStream());
PgpLiteralData ld = (PgpLiteralData)pgpFact.NextPgpObject();
MemoryStream bOut = new MemoryStream();
if (!ld.FileName.Equals("test.txt") &&
!ld.FileName.Equals("_CONSOLE"))
{
Fail("wrong filename in packet");
}
if (!ld.ModificationTime.Equals(TestDateTime))
{
Fail("wrong modification time in packet: " + ld.ModificationTime.Ticks + " " + TestDateTime.Ticks);
}
Stream unc = ld.GetInputStream();
byte[] buf = new byte[1024];
int len;
while ((len = unc.Read(buf, 0, buf.Length)) > 0)
{
bOut.Write(buf, 0, len);
}
if (pbe.IsIntegrityProtected() && !pbe.Verify())
{
Fail("integrity check failed");
}
return(bOut.ToArray());
}
private static PgpEncryptedDataList getEncryptedDataList(Stream encodedFile)
{
PgpObjectFactory factory = new PgpObjectFactory(encodedFile);
PgpObject pgpObject = factory.NextPgpObject();
PgpEncryptedDataList encryptedDataList;
if (pgpObject is PgpEncryptedDataList)
{
encryptedDataList = (PgpEncryptedDataList)pgpObject;
}
else
{
encryptedDataList = (PgpEncryptedDataList)factory.NextPgpObject();
}
return(encryptedDataList);
}
/*.......................................................................檔案數認證開始*/
/*首先傳送端將訊息經過雜湊演算法計算後得到一個雜湊值，再利用它的私有鑰匙向雜湊值加密成為一個數位簽章（DS），接著，再將數位簽章附加在訊息後面一併傳送出去；
* 接收端收到訊息之後，以同樣的雜湊演算計算出雜湊值（H’），並利用傳送端的公開鑰匙將 DS 解密，得到另一端的雜湊值（H）。
* 接著，比較兩個雜湊值，如果相同的話，則可以確定該訊息的『完整性』（雜湊值相同），此外也可以確定其『不可否認性』（私有鑰匙與公開鑰匙配對）。*/
/*
* 簽章後的hash值 -> 公鑰(對方)解密 -> hash值
* 解密後的文章 -> hash -> 解密後文章的hash值
*/
private static void VerifyFile(
Stream inputStream, //預計數位認證原始檔案的資料流
Stream keyIn, //簽名方(對方)公鑰的資料流
string outputFileName //預計匯出(數位認證後檔案)的完整路徑
)
{
inputStream = PgpUtilities.GetDecoderStream(inputStream); //串流陣列化 byte Array
PgpObjectFactory pgpFact = new PgpObjectFactory(inputStream);
PgpCompressedData c1 = (PgpCompressedData)pgpFact.NextPgpObject();
pgpFact = new PgpObjectFactory(c1.GetDataStream()); //解壓縮
PgpOnePassSignatureList p1 = (PgpOnePassSignatureList)pgpFact.NextPgpObject();
PgpOnePassSignature ops = p1[0];
PgpLiteralData p2 = (PgpLiteralData)pgpFact.NextPgpObject();
Stream dIn = p2.GetInputStream();
PgpPublicKeyRingBundle pgpRing = new PgpPublicKeyRingBundle(PgpUtilities.GetDecoderStream(keyIn));
PgpPublicKey key = pgpRing.GetPublicKey(ops.KeyId); //取出公鑰
Stream fileOutput = File.Create(outputFileName); //預計匯出檔案建立
ops.InitVerify(key); //驗證公鑰是否符合
int ch;
while ((ch = dIn.ReadByte()) >= 0)
{
ops.Update((byte)ch); //進行解密
fileOutput.WriteByte((byte)ch); //寫入預計匯出檔案
}
fileOutput.Close();
fileOutput.Dispose();
PgpSignatureList p3 = (PgpSignatureList)pgpFact.NextPgpObject();
PgpSignature firstSig = p3[0];
if (ops.Verify(firstSig)) //Hash值比較
{
Console.Out.WriteLine("signature verified.");
}
else
{
Console.Out.WriteLine("signature verification failed.");
}
}
public static PgpOnePassSignatureList GetPgpOnePassSignatureList(Stream encodedFile)
{
PgpObjectFactory factory = new PgpObjectFactory(encodedFile);
PgpObject pgpObject = factory.NextPgpObject();
PgpOnePassSignatureList pgpOnePassSignatureList;
if (pgpObject is PgpOnePassSignatureList)
{
pgpOnePassSignatureList = (PgpOnePassSignatureList)pgpObject;
}
else
{
pgpOnePassSignatureList = (PgpOnePassSignatureList)factory.NextPgpObject();
}
return(pgpOnePassSignatureList);
}
private static void DecryptCompressedData(PgpObject message, string outputFile)
{
PgpCompressedData cData = (PgpCompressedData)message;
PgpObjectFactory objectFactory;
using (Stream compDataIn = cData.GetDataStream())
{
objectFactory = new PgpObjectFactory(compDataIn);
}
message = objectFactory.NextPgpObject();
if (message is PgpOnePassSignatureList)
{
message = objectFactory.NextPgpObject();
}
PipeStreamToFile(outputFile, (PgpLiteralData)message);
}
private string Decrypt(Stream input, PgpSecretKey secretKey, string passPhrase)
{
input = PgpUtilities.GetDecoderStream(input);
PgpObjectFactory pgpObjF = new PgpObjectFactory(input);
PgpEncryptedDataList enc;
PgpObject obj = pgpObjF.NextPgpObject();
if (obj is PgpEncryptedDataList)
{
enc = (PgpEncryptedDataList)obj;
}
else
{
enc = (PgpEncryptedDataList)pgpObjF.NextPgpObject();
}
PgpPublicKeyEncryptedData pbe = enc.GetEncryptedDataObjects().Cast <PgpPublicKeyEncryptedData>().First();
Stream clear;
PgpPrivateKey privateKey = secretKey.ExtractPrivateKey(passPhrase.ToCharArray());
clear = pbe.GetDataStream(privateKey);
PgpObjectFactory plainFact = new PgpObjectFactory(clear);
PgpObject message = plainFact.NextPgpObject();
if (message is PgpCompressedData)
{
PgpCompressedData cData = (PgpCompressedData)message;
Stream compDataIn = cData.GetDataStream();
PgpObjectFactory o = new PgpObjectFactory(compDataIn);
message = o.NextPgpObject();
if (message is PgpOnePassSignatureList)
{
message = o.NextPgpObject();
}
var ld = (PgpLiteralData)message;
var unc = ld.GetInputStream();
var reader = new StreamReader(unc);
return(reader.ReadToEnd());
}
throw new NotImplementedException();
}
/**
* verify the passed in file as being correctly signed.
*/
private static void VerifyFile(
Stream inputStream,
Stream keyIn)
{
inputStream = PgpUtilities.GetDecoderStream(inputStream);
PgpObjectFactory pgpFact = new PgpObjectFactory(inputStream);
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();
PgpPublicKeyRingBundle pgpRing = new PgpPublicKeyRingBundle(PgpUtilities.GetDecoderStream(keyIn));
IPgpPublicKey key = pgpRing.GetPublicKey(ops.KeyId);
Stream fos = File.Create(p2.FileName);
ops.InitVerify(key);
int ch;
while ((ch = dIn.ReadByte()) >= 0)
{
ops.Update((byte)ch);
fos.WriteByte((byte)ch);
}
fos.Close();
PgpSignatureList p3 = (PgpSignatureList)pgpFact.NextPgpObject();
PgpSignature firstSig = p3[0];
if (ops.Verify(firstSig))
{
Console.Out.WriteLine("signature verified.");
}
else
{
Console.Out.WriteLine("signature verification failed.");
}
}
/// <summary>
/// Get the encrypted data list from the input stream.
/// </summary>
/// <param name="inputStream">
/// Input stream.
/// </param>
/// <returns>
/// Returns the encrypted data list.
/// </returns>
private static PgpEncryptedDataList GetEncryptedDataListFromStream(Stream inputStream)
{
inputStream = PgpUtilities.GetDecoderStream(inputStream);
var objectFactory = new PgpObjectFactory(inputStream);
PgpEncryptedDataList encryptedDataList;
PgpObject pgpObject = objectFactory.NextPgpObject();
if (pgpObject is PgpEncryptedDataList)
{
encryptedDataList = (PgpEncryptedDataList)pgpObject;
}
else
{
encryptedDataList = (PgpEncryptedDataList)objectFactory.NextPgpObject();
}
return(encryptedDataList);
}
private static IEnumerable <T> ParseObjects <T>(Stream stream) where T : PgpObject
{
var factory = new PgpObjectFactory(stream);
while (factory.NextPgpObject() is {} obj)
{
if (obj is T target)
{
yield return(target);
}
if (obj is PgpCompressedData compressed)
{
foreach (var result in ParseObjects <T>(compressed.GetDataStream()))
{
yield return(result);
}
}
}
}
private byte[] DecryptBytes(bool ignoreIntegrityCheck, Stream armoredIn)
{
var factory = new PgpObjectFactory(armoredIn);
while (true)
{
var obj = factory.NextPgpObject();
if (obj is PgpMarker)
{
continue;
}
var ret = DecryptHandlePgpObject(obj);
if (Context.FailedIntegrityCheck && !ignoreIntegrityCheck)
{
throw new VerifyException("Data not integrity protected.");
}
return(ret);
}
}
/**
* decrypt the passed in message stream
*
* @param encrypted The message to be decrypted.
* @param passPhrase Pass phrase (key)
*
* @return Clear text as a byte array. I18N considerations are
* not handled by this routine
* @exception IOException
* @exception PgpException
*/
public static byte[] Decrypt(
byte[] encrypted,
char[] passPhrase)
{
Stream inputStream = new MemoryStream(encrypted);
inputStream = PgpUtilities.GetDecoderStream(inputStream);
PgpObjectFactory pgpF = new PgpObjectFactory(inputStream);
PgpEncryptedDataList enc = null;
PgpObject o = pgpF.NextPgpObject();
//
// the first object might be a PGP marker packet.
//
if (o is PgpEncryptedDataList)
{
enc = (PgpEncryptedDataList)o;
}
else
{
enc = (PgpEncryptedDataList)pgpF.NextPgpObject();
}
PgpPbeEncryptedData pbe = (PgpPbeEncryptedData)enc[0];
Stream clear = pbe.GetDataStream(passPhrase);
PgpObjectFactory pgpFact = new PgpObjectFactory(clear);
PgpCompressedData cData = (PgpCompressedData)pgpFact.NextPgpObject();
pgpFact = new PgpObjectFactory(cData.GetDataStream());
PgpLiteralData ld = (PgpLiteralData)pgpFact.NextPgpObject();
Stream unc = ld.GetInputStream();
return(Streams.ReadAll(unc));
}
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 DoTestSignedEncMessage()
{
PgpObjectFactory pgpFact = new PgpObjectFactory(signedEncMessage);
PgpEncryptedDataList encList = (PgpEncryptedDataList)pgpFact.NextPgpObject();
PgpPublicKeyEncryptedData encP = (PgpPublicKeyEncryptedData)encList[0];
PgpPublicKeyRing publicKeyRing = new PgpPublicKeyRing(testPubKey);
PgpPublicKey publicKey = publicKeyRing.GetPublicKey(encP.KeyId);
PgpSecretKey secretKey = PgpSecretKey.ParseSecretKeyFromSExpr(new MemoryStream(sExprKeySub, false),
"test".ToCharArray(), publicKey);
Stream clear = encP.GetDataStream(secretKey.ExtractPrivateKey(null));
PgpObjectFactory plainFact = new PgpObjectFactory(clear);
PgpCompressedData cData = (PgpCompressedData)plainFact.NextPgpObject();
PgpObjectFactory compFact = new PgpObjectFactory(cData.GetDataStream());
PgpOnePassSignatureList sList = (PgpOnePassSignatureList)compFact.NextPgpObject();
PgpOnePassSignature ops = sList[0];
PgpLiteralData lData = (PgpLiteralData)compFact.NextPgpObject();
if (!"test.txt".Equals(lData.FileName))
{
Fail("wrong file name detected");
}
Stream dIn = lData .GetInputStream();
ops.InitVerify(publicKeyRing.GetPublicKey(ops.KeyId));
int ch;
while ((ch = dIn.ReadByte()) >= 0)
{
ops.Update((byte)ch);
}
PgpSignatureList p3 = (PgpSignatureList)compFact.NextPgpObject();
if (!ops.Verify(p3[0]))
{
Fail("Failed signature check");
}
}
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;
}
/**
* 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 messageTest(
string message,
string type)
{
ArmoredInputStream aIn = new ArmoredInputStream(
new MemoryStream(Encoding.ASCII.GetBytes(message)));
string[] headers = aIn.GetArmorHeaders();
if (headers == null || headers.Length != 1)
{
Fail("wrong number of headers found");
}
if (!"Hash: SHA256".Equals(headers[0]))
{
Fail("header value wrong: " + headers[0]);
}
//
// read the input, making sure we ingore the last newline.
//
MemoryStream bOut = new MemoryStream();
int ch;
while ((ch = aIn.ReadByte()) >= 0 && aIn.IsClearText())
{
bOut.WriteByte((byte)ch);
}
PgpPublicKeyRingBundle pgpRings = new PgpPublicKeyRingBundle(publicKey);
PgpObjectFactory pgpFact = new PgpObjectFactory(aIn);
PgpSignatureList p3 = (PgpSignatureList)pgpFact.NextPgpObject();
PgpSignature sig = p3[0];
sig.InitVerify(pgpRings.GetPublicKey(sig.KeyId));
MemoryStream lineOut = new MemoryStream();
Stream sigIn = new MemoryStream(bOut.ToArray(), false);
int lookAhead = ReadInputLine(lineOut, sigIn);
ProcessLine(sig, lineOut.ToArray());
if (lookAhead != -1)
{
do
{
lookAhead = ReadInputLine(lineOut, lookAhead, sigIn);
sig.Update((byte) '\r');
sig.Update((byte) '\n');
ProcessLine(sig, lineOut.ToArray());
}
while (lookAhead != -1);
}
if (!sig.Verify())
{
Fail("signature failed to verify m_in " + type);
}
}
private void doSigVerifyTest(
string publicKeyFile,
string sigFile)
{
PgpPublicKeyRing publicKey = loadPublicKey(publicKeyFile);
PgpObjectFactory pgpFact = loadSig(sigFile);
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(publicKey.GetPublicKey());
int ch;
while ((ch = dIn.ReadByte()) >= 0)
{
ops.Update((byte)ch);
}
PgpSignatureList p3 = (PgpSignatureList)pgpFact.NextPgpObject();
Assert.IsTrue(ops.Verify(p3[0]));
}
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);
}
}
private byte[] DecryptMessageBuffered(
byte[] message)
{
PgpObjectFactory pgpF = new PgpObjectFactory(message);
PgpEncryptedDataList enc = (PgpEncryptedDataList) pgpF.NextPgpObject();
PgpPbeEncryptedData pbe = (PgpPbeEncryptedData) enc[0];
Stream clear = pbe.GetDataStream(pass);
PgpObjectFactory pgpFact = new PgpObjectFactory(clear);
PgpCompressedData cData = (PgpCompressedData) pgpFact.NextPgpObject();
pgpFact = new PgpObjectFactory(cData.GetDataStream());
PgpLiteralData ld = (PgpLiteralData) pgpFact.NextPgpObject();
MemoryStream bOut = new MemoryStream();
if (!ld.FileName.Equals("test.txt")
&& !ld.FileName.Equals("_CONSOLE"))
{
Fail("wrong filename in packet");
}
if (!ld.ModificationTime.Equals(TestDateTime))
{
Fail("wrong modification time in packet: " + ld.ModificationTime.Ticks + " " + TestDateTime.Ticks);
}
Stream unc = ld.GetInputStream();
byte[] buf = new byte[1024];
int len;
while ((len = unc.Read(buf, 0, buf.Length)) > 0)
{
bOut.Write(buf, 0, len);
}
if (pbe.IsIntegrityProtected() && !pbe.Verify())
{
Fail("integrity check failed");
}
return bOut.ToArray();
}
private void ValidateData(
byte[] compressed)
{
PgpObjectFactory pgpFact = new PgpObjectFactory(compressed);
PgpCompressedData c1 = (PgpCompressedData) pgpFact.NextPgpObject();
Stream pIn = c1.GetDataStream();
byte[] bytes = Streams.ReadAll(pIn);
pIn.Close();
if (!AreEqual(bytes, Data))
{
Fail("compression test failed");
}
}
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 DoTestEncMessage()
{
PgpObjectFactory pgpFact = new PgpObjectFactory(encMessage);
PgpEncryptedDataList encList = (PgpEncryptedDataList)pgpFact.NextPgpObject();
PgpPublicKeyEncryptedData encP = (PgpPublicKeyEncryptedData)encList[0];
PgpPublicKey publicKey = new PgpPublicKeyRing(testPubKey).GetPublicKey(encP.KeyId);
PgpSecretKey secretKey = PgpSecretKey.ParseSecretKeyFromSExpr(new MemoryStream(sExprKeySub, false),
"test".ToCharArray(), publicKey);
Stream clear = encP.GetDataStream(secretKey.ExtractPrivateKey(null));
PgpObjectFactory plainFact = new PgpObjectFactory(clear);
PgpCompressedData cData = (PgpCompressedData)plainFact.NextPgpObject();
PgpObjectFactory compFact = new PgpObjectFactory(cData.GetDataStream());
PgpLiteralData lData = (PgpLiteralData)compFact.NextPgpObject();
if (!"test.txt".Equals(lData.FileName))
{
Fail("wrong file name detected");
}
}
private void verifySignature(
byte[] encodedSig,
HashAlgorithmTag hashAlgorithm,
IPgpPublicKey pubKey,
byte[] original)
{
PgpObjectFactory pgpFact = new PgpObjectFactory(encodedSig);
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();
PgpSignature sig = p3[0];
DateTime creationTime = sig.CreationTime;
// Check creationTime is recent
if (creationTime.CompareTo(DateTime.UtcNow) > 0
|| creationTime.CompareTo(DateTime.UtcNow.AddMinutes(-10)) < 0)
{
Fail("bad creation time in signature: " + creationTime);
}
if (sig.KeyId != pubKey.KeyId)
{
Fail("key id mismatch in signature");
}
if (!ops.Verify(sig))
{
Fail("Failed generated signature check - " + hashAlgorithm);
}
sig.InitVerify(pubKey);
for (int i = 0; i != original.Length; i++)
{
sig.Update(original[i]);
}
sig.Update(original);
if (!sig.Verify())
{
Fail("Failed generated signature check against original data");
}
}
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);
}
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()
{
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");
}
}
private void TestDecrypt(PgpSecretKeyRing secretKeyRing)
{
PgpObjectFactory pgpF = new PgpObjectFactory(testMessage);
PgpEncryptedDataList encList = (PgpEncryptedDataList)pgpF.NextPgpObject();
PgpPublicKeyEncryptedData encP = (PgpPublicKeyEncryptedData)encList[0];
PgpSecretKey secretKey = secretKeyRing.GetSecretKey(); // secretKeyRing.GetSecretKey(encP.KeyId);
// PgpPrivateKey pgpPrivKey = secretKey.extractPrivateKey(new JcePBESecretKeyEncryptorBuilder());
// clear = encP.getDataStream(pgpPrivKey, "BC");
//
// bOut.reset();
//
// while ((ch = clear.read()) >= 0)
// {
// bOut.write(ch);
// }
//
// out = bOut.toByteArray();
//
// if (!AreEqual(out, text))
// {
// fail("wrong plain text in Generated packet");
// }
}
public override void PerformTest()
{
//
// test immediate close
//
MemoryStream bOut = new MemoryStream();
ArmoredOutputStream aOut = new ArmoredOutputStream(bOut);
aOut.Close();
byte[] data = bOut.ToArray();
if (data.Length != 0)
{
Fail("No data should have been written");
}
//
// multiple close
//
bOut = new MemoryStream();
aOut = new ArmoredOutputStream(bOut);
aOut.Write(sample, 0, sample.Length);
aOut.Close();
aOut.Close();
int mc = markerCount(bOut.ToArray());
if (mc < 1)
{
Fail("No end marker found");
}
if (mc > 1)
{
Fail("More than one end marker found");
}
//
// writing and reading single objects
//
bOut = new MemoryStream();
aOut = new ArmoredOutputStream(bOut);
aOut.Write(sample, 0, sample.Length);
aOut.Close();
ArmoredInputStream aIn = new ArmoredInputStream(
new MemoryStream(bOut.ToArray(), false));
PgpObjectFactory fact = new PgpObjectFactory(aIn);
int count = 0;
while (fact.NextPgpObject() != null)
{
count++;
}
if (count != 1)
{
Fail("wrong number of objects found: " + count);
}
//
// writing and reading multiple objects - in single block
//
bOut = new MemoryStream();
aOut = new ArmoredOutputStream(bOut);
aOut.Write(sample, 0, sample.Length);
aOut.Write(sample, 0, sample.Length);
aOut.Close();
aIn = new ArmoredInputStream(
new MemoryStream(bOut.ToArray(), false));
fact = new PgpObjectFactory(aIn);
count = 0;
while (fact.NextPgpObject() != null)
{
count++;
}
if (count != 2)
{
Fail("wrong number of objects found: " + count);
}
//
// writing and reading multiple objects - in single block
//
bOut = new MemoryStream();
aOut = new ArmoredOutputStream(bOut);
aOut.Write(sample, 0, sample.Length);
aOut.Close(); // does not close underlying stream
aOut = new ArmoredOutputStream(bOut);
aOut.Write(sample, 0, sample.Length);
aOut.Close();
aIn = new ArmoredInputStream(
new MemoryStream(bOut.ToArray(), false));
count = 0;
bool atLeastOne;
do
{
atLeastOne = false;
fact = new PgpObjectFactory(aIn);
while (fact.NextPgpObject() != null)
{
atLeastOne = true;
count++;
}
}
while (atLeastOne);
if (count != 2)
{
Fail("wrong number of objects found: " + count);
}
blankLineTest();
}
private void doTestMissingSubpackets(byte[] signature)
{
PgpObjectFactory f = new PgpObjectFactory(signature);
object obj = f.NextPgpObject();
while (!(obj is PgpSignatureList))
{
obj = f.NextPgpObject();
if (obj is PgpLiteralData)
{
Stream input = ((PgpLiteralData)obj).GetDataStream();
Streams.Drain(input);
}
}
PgpSignature sig = ((PgpSignatureList)obj)[0];
if (sig.Version > 3)
{
var v = sig.GetHashedSubPackets();
if (v.GetKeyExpirationTime() != 0)
{
Fail("key expiration time not zero for missing subpackets");
}
if (!sig.HasSubpackets)
{
Fail("HasSubpackets property was false with packets");
}
}
else
{
if (sig.GetHashedSubPackets() != null)
{
Fail("hashed sub packets found when none expected");
}
if (sig.GetUnhashedSubPackets() != null)
{
Fail("unhashed sub packets found when none expected");
}
if (sig.HasSubpackets)
{
Fail("HasSubpackets property was true with no packets");
}
}
}
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");
}
}
public override void PerformTest()
{
//
// RSA tests
//
PgpSecretKeyRing pgpPriv = new PgpSecretKeyRing(rsaKeyRing);
IPgpSecretKey secretKey = pgpPriv.GetSecretKey();
IPgpPrivateKey pgpPrivKey = secretKey.ExtractPrivateKey(rsaPass);
try
{
doTestSig(PublicKeyAlgorithmTag.Dsa, HashAlgorithmTag.Sha1, secretKey.PublicKey, pgpPrivKey);
Fail("RSA wrong key test failed.");
}
catch (PgpException)
{
// expected
}
try
{
doTestSigV3(PublicKeyAlgorithmTag.Dsa, HashAlgorithmTag.Sha1, secretKey.PublicKey, pgpPrivKey);
Fail("RSA V3 wrong key test failed.");
}
catch (PgpException)
{
// expected
}
//
// certifications
//
PgpSignatureGenerator sGen = new PgpSignatureGenerator(PublicKeyAlgorithmTag.RsaGeneral, HashAlgorithmTag.Sha1);
sGen.InitSign(PgpSignature.KeyRevocation, pgpPrivKey);
PgpSignature sig = sGen.GenerateCertification(secretKey.PublicKey);
sig.InitVerify(secretKey.PublicKey);
if (!sig.VerifyCertification(secretKey.PublicKey))
{
Fail("revocation verification failed.");
}
PgpSecretKeyRing pgpDSAPriv = new PgpSecretKeyRing(dsaKeyRing);
IPgpSecretKey secretDSAKey = pgpDSAPriv.GetSecretKey();
IPgpPrivateKey pgpPrivDSAKey = secretDSAKey.ExtractPrivateKey(dsaPass);
sGen = new PgpSignatureGenerator(PublicKeyAlgorithmTag.Dsa, HashAlgorithmTag.Sha1);
sGen.InitSign(PgpSignature.SubkeyBinding, pgpPrivDSAKey);
PgpSignatureSubpacketGenerator unhashedGen = new PgpSignatureSubpacketGenerator();
PgpSignatureSubpacketGenerator hashedGen = new PgpSignatureSubpacketGenerator();
hashedGen.SetSignatureExpirationTime(false, TEST_EXPIRATION_TIME);
hashedGen.SetSignerUserId(true, TEST_USER_ID);
hashedGen.SetPreferredCompressionAlgorithms(false, PREFERRED_COMPRESSION_ALGORITHMS);
hashedGen.SetPreferredHashAlgorithms(false, PREFERRED_HASH_ALGORITHMS);
hashedGen.SetPreferredSymmetricAlgorithms(false, PREFERRED_SYMMETRIC_ALGORITHMS);
sGen.SetHashedSubpackets(hashedGen.Generate());
sGen.SetUnhashedSubpackets(unhashedGen.Generate());
sig = sGen.GenerateCertification(secretDSAKey.PublicKey, secretKey.PublicKey);
byte[] sigBytes = sig.GetEncoded();
PgpObjectFactory f = new PgpObjectFactory(sigBytes);
sig = ((PgpSignatureList) f.NextPgpObject())[0];
sig.InitVerify(secretDSAKey.PublicKey);
if (!sig.VerifyCertification(secretDSAKey.PublicKey, secretKey.PublicKey))
{
Fail("subkey binding verification failed.");
}
var hashedPcks = sig.GetHashedSubPackets();
var unhashedPcks = sig.GetUnhashedSubPackets();
if (hashedPcks.Count != 6)
{
Fail("wrong number of hashed packets found.");
}
if (unhashedPcks.Count != 1)
{
Fail("wrong number of unhashed packets found.");
}
if (!hashedPcks.GetSignerUserId().Equals(TEST_USER_ID))
{
Fail("test userid not matching");
}
if (hashedPcks.GetSignatureExpirationTime() != TEST_EXPIRATION_TIME)
{
Fail("test signature expiration time not matching");
}
if (unhashedPcks.GetIssuerKeyId() != secretDSAKey.KeyId)
{
Fail("wrong issuer key ID found in certification");
}
int[] prefAlgs = hashedPcks.GetPreferredCompressionAlgorithms();
preferredAlgorithmCheck("compression", PREFERRED_COMPRESSION_ALGORITHMS, prefAlgs);
prefAlgs = hashedPcks.GetPreferredHashAlgorithms();
preferredAlgorithmCheck("hash", PREFERRED_HASH_ALGORITHMS, prefAlgs);
prefAlgs = hashedPcks.GetPreferredSymmetricAlgorithms();
preferredAlgorithmCheck("symmetric", PREFERRED_SYMMETRIC_ALGORITHMS, prefAlgs);
SignatureSubpacketTag[] criticalHashed = hashedPcks.GetCriticalTags();
if (criticalHashed.Length != 1)
{
Fail("wrong number of critical packets found.");
}
if (criticalHashed[0] != SignatureSubpacketTag.SignerUserId)
{
Fail("wrong critical packet found in tag list.");
}
//
// no packets passed
//
sGen = new PgpSignatureGenerator(PublicKeyAlgorithmTag.Dsa, HashAlgorithmTag.Sha1);
sGen.InitSign(PgpSignature.SubkeyBinding, pgpPrivDSAKey);
sGen.SetHashedSubpackets(null);
sGen.SetUnhashedSubpackets(null);
sig = sGen.GenerateCertification(TEST_USER_ID, secretKey.PublicKey);
sig.InitVerify(secretDSAKey.PublicKey);
if (!sig.VerifyCertification(TEST_USER_ID, secretKey.PublicKey))
{
Fail("subkey binding verification failed.");
}
hashedPcks = sig.GetHashedSubPackets();
if (hashedPcks.Count != 1)
{
Fail("found wrong number of hashed packets");
}
unhashedPcks = sig.GetUnhashedSubPackets();
if (unhashedPcks.Count != 1)
{
Fail("found wrong number of unhashed packets");
}
try
{
sig.VerifyCertification(secretKey.PublicKey);
Fail("failed to detect non-key signature.");
}
catch (InvalidOperationException)
{
// expected
}
//
// override hash packets
//
sGen = new PgpSignatureGenerator(PublicKeyAlgorithmTag.Dsa, HashAlgorithmTag.Sha1);
sGen.InitSign(PgpSignature.SubkeyBinding, pgpPrivDSAKey);
hashedGen = new PgpSignatureSubpacketGenerator();
DateTime creationTime = new DateTime(1973, 7, 27);
hashedGen.SetSignatureCreationTime(false, creationTime);
sGen.SetHashedSubpackets(hashedGen.Generate());
sGen.SetUnhashedSubpackets(null);
sig = sGen.GenerateCertification(TEST_USER_ID, secretKey.PublicKey);
sig.InitVerify(secretDSAKey.PublicKey);
if (!sig.VerifyCertification(TEST_USER_ID, secretKey.PublicKey))
{
Fail("subkey binding verification failed.");
}
hashedPcks = sig.GetHashedSubPackets();
if (hashedPcks.Count != 1)
{
Fail("found wrong number of hashed packets in override test");
}
if (!hashedPcks.HasSubpacket(SignatureSubpacketTag.CreationTime))
{
Fail("hasSubpacket test for creation time failed");
}
DateTime sigCreationTime = hashedPcks.GetSignatureCreationTime();
if (!sigCreationTime.Equals(creationTime))
{
Fail("creation of overridden date failed.");
}
prefAlgs = hashedPcks.GetPreferredCompressionAlgorithms();
preferredAlgorithmCheck("compression", NO_PREFERENCES, prefAlgs);
prefAlgs = hashedPcks.GetPreferredHashAlgorithms();
preferredAlgorithmCheck("hash", NO_PREFERENCES, prefAlgs);
prefAlgs = hashedPcks.GetPreferredSymmetricAlgorithms();
preferredAlgorithmCheck("symmetric", NO_PREFERENCES, prefAlgs);
if (hashedPcks.GetKeyExpirationTime() != 0)
{
Fail("unexpected key expiration time found");
}
if (hashedPcks.GetSignatureExpirationTime() != 0)
{
Fail("unexpected signature expiration time found");
}
if (hashedPcks.GetSignerUserId() != null)
{
Fail("unexpected signer user ID found");
}
criticalHashed = hashedPcks.GetCriticalTags();
if (criticalHashed.Length != 0)
{
Fail("critical packets found when none expected");
}
unhashedPcks = sig.GetUnhashedSubPackets();
if (unhashedPcks.Count != 1)
{
Fail("found wrong number of unhashed packets in override test");
}
//
// general signatures
//
doTestSig(PublicKeyAlgorithmTag.RsaGeneral, HashAlgorithmTag.Sha256, secretKey.PublicKey, pgpPrivKey);
doTestSig(PublicKeyAlgorithmTag.RsaGeneral, HashAlgorithmTag.Sha384, secretKey.PublicKey, pgpPrivKey);
doTestSig(PublicKeyAlgorithmTag.RsaGeneral, HashAlgorithmTag.Sha512, secretKey.PublicKey, pgpPrivKey);
doTestSigV3(PublicKeyAlgorithmTag.RsaGeneral, HashAlgorithmTag.Sha1, secretKey.PublicKey, pgpPrivKey);
doTestTextSig(PublicKeyAlgorithmTag.RsaGeneral, HashAlgorithmTag.Sha1, secretKey.PublicKey, pgpPrivKey, TEST_DATA_WITH_CRLF, TEST_DATA_WITH_CRLF);
doTestTextSig(PublicKeyAlgorithmTag.RsaGeneral, HashAlgorithmTag.Sha1, secretKey.PublicKey, pgpPrivKey, TEST_DATA, TEST_DATA_WITH_CRLF);
doTestTextSigV3(PublicKeyAlgorithmTag.RsaGeneral, HashAlgorithmTag.Sha1, secretKey.PublicKey, pgpPrivKey, TEST_DATA_WITH_CRLF, TEST_DATA_WITH_CRLF);
doTestTextSigV3(PublicKeyAlgorithmTag.RsaGeneral, HashAlgorithmTag.Sha1, secretKey.PublicKey, pgpPrivKey, TEST_DATA, TEST_DATA_WITH_CRLF);
//
// DSA Tests
//
pgpPriv = new PgpSecretKeyRing(dsaKeyRing);
secretKey = pgpPriv.GetSecretKey();
pgpPrivKey = secretKey.ExtractPrivateKey(dsaPass);
try
{
doTestSig(PublicKeyAlgorithmTag.RsaGeneral, HashAlgorithmTag.Sha1, secretKey.PublicKey, pgpPrivKey);
Fail("DSA wrong key test failed.");
}
catch (PgpException)
{
// expected
}
try
{
doTestSigV3(PublicKeyAlgorithmTag.RsaGeneral, HashAlgorithmTag.Sha1, secretKey.PublicKey, pgpPrivKey);
Fail("DSA V3 wrong key test failed.");
}
catch (PgpException)
{
// expected
}
doTestSig(PublicKeyAlgorithmTag.Dsa, HashAlgorithmTag.Sha1, secretKey.PublicKey, pgpPrivKey);
doTestSigV3(PublicKeyAlgorithmTag.Dsa, HashAlgorithmTag.Sha1, secretKey.PublicKey, pgpPrivKey);
doTestTextSig(PublicKeyAlgorithmTag.Dsa, HashAlgorithmTag.Sha1, secretKey.PublicKey, pgpPrivKey, TEST_DATA_WITH_CRLF, TEST_DATA_WITH_CRLF);
doTestTextSig(PublicKeyAlgorithmTag.Dsa, HashAlgorithmTag.Sha1, secretKey.PublicKey, pgpPrivKey, TEST_DATA, TEST_DATA_WITH_CRLF);
doTestTextSigV3(PublicKeyAlgorithmTag.Dsa, HashAlgorithmTag.Sha1, secretKey.PublicKey, pgpPrivKey, TEST_DATA_WITH_CRLF, TEST_DATA_WITH_CRLF);
doTestTextSigV3(PublicKeyAlgorithmTag.Dsa, HashAlgorithmTag.Sha1, secretKey.PublicKey, pgpPrivKey, TEST_DATA, TEST_DATA_WITH_CRLF);
// special cases
//
doTestMissingSubpackets(nullPacketsSubKeyBinding);
doTestMissingSubpackets(generateV3BinarySig(pgpPrivKey, PublicKeyAlgorithmTag.Dsa, HashAlgorithmTag.Sha1));
// keyflags
doTestKeyFlagsValues();
}
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();
}
