public void Init(KeyGenerationParameters parameters)
{
if (parameters == null)
{
throw new ArgumentNullException("parameters");
}
this.param = (DsaKeyGenerationParameters)parameters;
}
public void Init(KeyGenerationParameters parameters)
{
//IL_0008: Unknown result type (might be due to invalid IL or missing references)
if (parameters == null)
{
throw new ArgumentNullException("parameters");
}
param = (DsaKeyGenerationParameters)parameters;
}
public void Init(
KeyGenerationParameters parameters)
{
if (parameters == null)
throw new ArgumentNullException("parameters");
// Note: If we start accepting instances of KeyGenerationParameters,
// must apply constraint checking on strength (see DsaParametersGenerator.Init)
this.param = (DsaKeyGenerationParameters) parameters;
}
/// <summary>
/// Create a key pair for according to the key size
/// </summary>
/// <param name="keySize">the key size in bits</param>
public void CreateKeyPair(int keySize)
{
var dsaParametersGenerator = new DsaParametersGenerator();
dsaParametersGenerator.Init(keySize, 80, new SecureRandom());
var parameters = new DsaKeyGenerationParameters(new SecureRandom(), dsaParametersGenerator.GenerateParameters());
var keyGenerator = new DsaKeyPairGenerator();
keyGenerator.Init(parameters);
keyPair = keyGenerator.GenerateKeyPair();
}
/// <summary>
/// Generate key pair.
/// </summary>
/// <returns></returns>
public override AsymmetricCipherKeyPair GenerateKeyPair()
{
DsaParametersGenerator generator2 = new DsaParametersGenerator();
generator2.Init(_keySize, _certainty, Common.ThreadSecureRandom.Value);
DsaParameters parameters2 = generator2.GenerateParameters();
KeyGenerationParameters parameters = new DsaKeyGenerationParameters(Common.ThreadSecureRandom.Value, parameters2);
IAsymmetricCipherKeyPairGenerator generator = new DsaKeyPairGenerator();
generator.Init(parameters);
return(generator.GenerateKeyPair());
}
public AsymmetricCipherKeyPair GenerateDsaKeyPair(int keySize)
{
var dsaParameterGenerator = new DsaParametersGenerator(new Sha256Digest());
//Key size is fixed to be either 2048 or 3072 (Table C.1 on FIPS 186-3)
dsaParameterGenerator.Init(new DsaParameterGenerationParameters(keySize, 256, 128, secureRandom.Generator));
DsaParameters dsaParameters = dsaParameterGenerator.GenerateParameters();
var keyGenerationParameters = new DsaKeyGenerationParameters(secureRandom.Generator, dsaParameters);
var keyPairGenerator = new DsaKeyPairGenerator();
keyPairGenerator.Init(keyGenerationParameters);
return(keyPairGenerator.GenerateKeyPair());
}
private void InitKey()
{
_secure_random = new SecureRandom();
DsaParametersGenerator _dsa_param_gen = new DsaParametersGenerator();
DsaKeyPairGenerator _dsa_key_pair_gen = new DsaKeyPairGenerator();
_dsa_param_gen.Init(1024, 80, _secure_random);
DsaKeyGenerationParameters _dsa_key_gen_params = new DsaKeyGenerationParameters(_secure_random, _dsa_param_gen.GenerateParameters());
_dsa_key_pair_gen.Init(_dsa_key_gen_params);
_key_pair = _dsa_key_pair_gen.GenerateKeyPair();
_private_key_param = (DsaPrivateKeyParameters)_key_pair.Private;
_public_key_param = (DsaPublicKeyParameters)_key_pair.Public;
}
//constructor
/// <summary>
/// A utility for easily using cryptographic functions. Automatically generates PGP and RSA keypairs.
/// </summary>
public CryptoHelper()
{
DsaKeyPairGenerator gen = new DsaKeyPairGenerator();
DsaParametersGenerator pGen = new DsaParametersGenerator();
pgpRng.SetSeed(GetRandomBytes(512));
pGen.Init(1024, 100, pgpRng);
DsaKeyGenerationParameters p = new DsaKeyGenerationParameters(pgpRng, pGen.GenerateParameters());
gen.Init(p);
AsymmetricCipherKeyPair keys = gen.GenerateKeyPair();
pgpPublicKey = new PgpPublicKey(Org.BouncyCastle.Bcpg.PublicKeyAlgorithmTag.Dsa, keys.Public, DateTime.Now);
pgpPrivateKey = new PgpPrivateKey(pgpPublicKey.KeyId, pgpPublicKey.PublicKeyPacket, keys.Private);
rsaPublicKey = encodeRsaPublicKey(rsa.ExportParameters(false));
rsaPrivateKey = encodeRsaPrivateKey(rsa.ExportParameters(true));
}
private void GenerateElGamal(Stream outSecret, Stream outPublic)
{
// Prepare a strong Secure Random with seed
SecureRandom secureRandom = PgpEncryptionUtil.GetSecureRandom();
IAsymmetricCipherKeyPairGenerator dsaKpg = GeneratorUtilities.GetKeyPairGenerator("DSA");
DsaParametersGenerator pGen = new DsaParametersGenerator();
pGen.Init((int)PublicKeyLength.BITS_1024, 80, new SecureRandom()); // DSA is 1024 even for long 2048+ ElGamal keys
DsaParameters dsaParams = pGen.GenerateParameters();
DsaKeyGenerationParameters kgp = new DsaKeyGenerationParameters(secureRandom, dsaParams);
dsaKpg.Init(kgp);
//
// this takes a while as the key generator has to Generate some DSA parameters
// before it Generates the key.
//
AsymmetricCipherKeyPair dsaKp = dsaKpg.GenerateKeyPair();
IAsymmetricCipherKeyPairGenerator elgKpg = GeneratorUtilities.GetKeyPairGenerator("ELGAMAL");
Group elgamalGroup = Precomputed.GetElGamalGroup((int)this.publicKeyLength);
if (elgamalGroup == null)
{
throw new ArgumentException("ElGamal Group not found for key length: " + this.publicKeyLength);
}
Org.BouncyCastle.Math.BigInteger p = elgamalGroup.GetP();
Org.BouncyCastle.Math.BigInteger g = elgamalGroup.GetG();
secureRandom = PgpEncryptionUtil.GetSecureRandom();
ElGamalParameters elParams = new ElGamalParameters(p, g);
ElGamalKeyGenerationParameters elKgp = new ElGamalKeyGenerationParameters(secureRandom, elParams);
elgKpg.Init(elKgp);
//
// this is quicker because we are using preGenerated parameters.
//
AsymmetricCipherKeyPair elgKp = elgKpg.GenerateKeyPair();
DsaElGamalKeyGeneratorUtil.ExportKeyPair(outSecret, outPublic, dsaKp, elgKp, identity, passphrase, true);
}
/// <summary>
/// Construct a key pair generator for DSA keys.
/// </summary>
/// <param name="keyGenParameters">Domain parameters and algorithm for the generated key.</param>
/// <param name="random">A source of randomness for calculating the private value.</param>
internal KeyPairGenerator(KeyGenerationParameters keyGenParameters, SecureRandom random) : base(keyGenParameters)
{
if (CryptoServicesRegistrar.IsInApprovedOnlyMode())
{
int effSizeInBits = keyGenParameters.DomainParameters.P.BitLength;
if (effSizeInBits != 2048 && effSizeInBits != 3072)
{
throw new CryptoUnapprovedOperationError("attempt to create key pair with unapproved key size [" + effSizeInBits + "]", keyGenParameters.Algorithm);
}
Utils.ValidateKeyPairGenRandom(random, Utils.GetAsymmetricSecurityStrength(effSizeInBits), keyGenParameters.Algorithm);
}
this.domainParameters = keyGenParameters.DomainParameters;
this.param = new DsaKeyGenerationParameters(random, getDomainParams(domainParameters));
this.engine.Init(param);
}
/// <summary>
/// DSA密钥对生成
/// </summary>
/// <param name="size">size must be from 512 - 1024 and a multiple of 64</param>
/// <returns></returns>
public static KeyParameter Generator(int size = 1024)
{
var pGen = new DsaParametersGenerator();
pGen.Init(size, 80, new SecureRandom());
var dsaParams = pGen.GenerateParameters();
var kgp = new DsaKeyGenerationParameters(new SecureRandom(), dsaParams);
var kpg = GeneratorUtilities.GetKeyPairGenerator("DSA");
kpg.Init(kgp);
var kp = kpg.GenerateKeyPair();
var subjectPublicKeyInfo = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(kp.Public);
var privateKeyInfo = PrivateKeyInfoFactory.CreatePrivateKeyInfo(kp.Private);
return(new KeyParameter
{
PrivateKey = Base64.ToBase64String(privateKeyInfo.GetEncoded()),
PublicKey = Base64.ToBase64String(subjectPublicKeyInfo.GetEncoded())
});
}
/// <summary>
/// Generate a DSA2 Key pair given its bit size.
/// </summary>
/// <param name="keySize">"Key bit size of 1024, 2048 or 3072"</param>
/// <returns>"DSA2 key pair for the given size"</returns>
public AsymmetricCipherKeyPair Dsa2KeyGen(int keySize)
{
// Check that we got a proper key size
int[] allowedKeySizes = { 1024, 2048, 3072 };
if (!(allowedKeySizes.Contains(keySize)))
{
throw new ArgumentException("KeySize provided is not 1024, 2048 or 3072.", "keySize");
}
// Set the proper N parameter depending on the bit key size.
int dsa2NParam;
if (keySize == 1024)
{
dsa2NParam = 160;
}
else
{
dsa2NParam = 256;
}
var secRand = new SecureRandom();
var dsa2Genertor = GeneratorUtilities.GetKeyPairGenerator("DSA");
// Generate the proper parameters for the DSA2 Key.
var digest = new Sha256Digest();
var paramGen = new DsaParametersGenerator(digest);
var dsaParamsList = new DsaParameterGenerationParameters(keySize, dsa2NParam, 80, secRand);
paramGen.Init(dsaParamsList);
// This will take a while since it has to find a valid random prime number for use.
var dsaParams = paramGen.GenerateParameters();
var dsaOptions = new DsaKeyGenerationParameters(secRand, dsaParams);
var keyPair = dsa2Genertor.GenerateKeyPair();
return(keyPair);
}
public static IAsymmetricCipherKeyPairGenerator CreateGenerator(SecureRandom random, TypeWrapper kpGen,
int keystrength)
{
var keypairGen = kpGen.Instance <IAsymmetricCipherKeyPairGenerator>();
//var random = SecureRandomUtils.GetInstance(Model.RandomGenerator, Model.RandomGeneratorArgument);
if (keypairGen is DsaKeyPairGenerator)
{
DsaParametersGenerator pGen = new DsaParametersGenerator();
pGen.Init(keystrength, 80, random); //TODO:
DsaParameters parameters = pGen.GenerateParameters();
DsaKeyGenerationParameters genParam = new DsaKeyGenerationParameters(random, parameters);
keypairGen.Init(genParam);
return(keypairGen);
}
if (keypairGen is ECKeyPairGenerator)
{
keypairGen.Init(new KeyGenerationParameters(random, keystrength));
return(keypairGen);
}
keypairGen.Init(new KeyGenerationParameters(random, keystrength));
return(keypairGen);
}
public void CompliantParametersGenerator()
{
var pGen1 = new DHParametersGenerator();
pGen1.Init(2048, 10, new SecureRandom()); // Compliant
var pGen2 = new DsaParametersGenerator();
pGen2.Init(2048, 80, new SecureRandom()); // Compliant
var kp1 = new ECKeyPairGenerator(); // OK - ignore for now
var kp2 = new DsaKeyPairGenerator();
var d2 = new DsaParameters(new BigInteger("2"), new BigInteger("2"), new BigInteger("2")); // FN
var r2 = new DsaKeyGenerationParameters(new SecureRandom(), d2);
kp2.Init(r2);
var kp3 = new RsaKeyPairGenerator();
var r3 = new RsaKeyGenerationParameters(new BigInteger("2"), new SecureRandom(), 2048, 5); // Compliant
kp3.Init(r3);
}
public static int Main(
string[] args)
{
if (args.Length < 2)
{
Console.WriteLine("DsaElGamalKeyRingGenerator [-a] identity passPhrase");
return(0);
}
IAsymmetricCipherKeyPairGenerator dsaKpg = GeneratorUtilities.GetKeyPairGenerator("DSA");
DsaParametersGenerator pGen = new DsaParametersGenerator();
pGen.Init(1024, 80, new SecureRandom());
DsaParameters dsaParams = pGen.GenerateParameters();
DsaKeyGenerationParameters kgp = new DsaKeyGenerationParameters(new SecureRandom(), dsaParams);
dsaKpg.Init(kgp);
//
// this takes a while as the key generator has to Generate some DSA parameters
// before it Generates the key.
//
IAsymmetricCipherKeyPair dsaKp = dsaKpg.GenerateKeyPair();
IAsymmetricCipherKeyPairGenerator elgKpg = GeneratorUtilities.GetKeyPairGenerator("ELGAMAL");
IBigInteger g = new BigInteger("153d5d6172adb43045b68ae8e1de1070b6137005686d29d3d73a7749199681ee5b212c9b96bfdcfa5b20cd5e3fd2044895d609cf9b410b7a0f12ca1cb9a428cc", 16);
IBigInteger p = new BigInteger("9494fec095f3b85ee286542b3836fc81a5dd0a0349b4c239dd38744d488cf8e31db8bcb7d33b41abb9e5a33cca9144b1cef332c94bf0573bf047a3aca98cdf3b", 16);
ElGamalParameters elParams = new ElGamalParameters(p, g);
ElGamalKeyGenerationParameters elKgp = new ElGamalKeyGenerationParameters(new SecureRandom(), elParams);
elgKpg.Init(elKgp);
//
// this is quicker because we are using preGenerated parameters.
//
IAsymmetricCipherKeyPair elgKp = elgKpg.GenerateKeyPair();
Stream out1, out2;
if (args[0].Equals("-a"))
{
if (args.Length < 3)
{
Console.WriteLine("DSAElGamalKeyRingGenerator [-a] identity passPhrase");
return(0);
}
out1 = File.Create("secret.asc");
out2 = File.Create("pub.asc");
ExportKeyPair(out1, out2, dsaKp, elgKp, args[1], args[2].ToCharArray(), true);
}
else
{
out1 = File.Create("secret.bpg");
out2 = File.Create("pub.bpg");
ExportKeyPair(out1, out2, dsaKp, elgKp, args[0], args[1].ToCharArray(), false);
}
out1.Close();
out2.Close();
return(0);
}
public override void PerformTest()
{
byte[] k1 = Hex.Decode("d5014e4b60ef2ba8b6211b4062ba3224e0427dd3");
byte[] k2 = Hex.Decode("345e8d05c075c3a508df729a1685690e68fcfb8c8117847e89063bca1f85d968fd281540b6e13bd1af989a1fbf17e06462bf511f9d0b140fb48ac1b1baa5bded");
SecureRandom random = FixedSecureRandom.From(k1, k2);
byte[] keyData = Hex.Decode("b5014e4b60ef2ba8b6211b4062ba3224e0427dd3");
SecureRandom keyRandom = FixedSecureRandom.From(keyData, keyData);
BigInteger r = new BigInteger("68076202252361894315274692543577577550894681403");
BigInteger s = new BigInteger("1089214853334067536215539335472893651470583479365");
DsaParametersGenerator pGen = new DsaParametersGenerator();
pGen.Init(512, 80, random);
DsaParameters parameters = pGen.GenerateParameters();
DsaValidationParameters pValid = parameters.ValidationParameters;
if (pValid.Counter != 105)
{
Fail("Counter wrong");
}
if (!pValue.Equals(parameters.P) || !qValue.Equals(parameters.Q))
{
Fail("p or q wrong");
}
DsaKeyPairGenerator dsaKeyGen = new DsaKeyPairGenerator();
DsaKeyGenerationParameters genParam = new DsaKeyGenerationParameters(keyRandom, parameters);
dsaKeyGen.Init(genParam);
AsymmetricCipherKeyPair pair = dsaKeyGen.GenerateKeyPair();
ParametersWithRandom param = new ParametersWithRandom(pair.Private, keyRandom);
DsaSigner dsa = new DsaSigner();
dsa.Init(true, param);
byte[] message = new BigInteger("968236873715988614170569073515315707566766479517").ToByteArrayUnsigned();
BigInteger[] sig = dsa.GenerateSignature(message);
if (!r.Equals(sig[0]))
{
Fail("r component wrong." + SimpleTest.NewLine
+ " expecting: " + r + SimpleTest.NewLine
+ " got : " + sig[0]);
}
if (!s.Equals(sig[1]))
{
Fail("s component wrong." + SimpleTest.NewLine
+ " expecting: " + s + SimpleTest.NewLine
+ " got : " + sig[1]);
}
dsa.Init(false, pair.Public);
if (!dsa.VerifySignature(message, sig[0], sig[1]))
{
Fail("verification fails");
}
Dsa2Test1();
Dsa2Test2();
Dsa2Test3();
Dsa2Test4();
}
public static SshKey CreateKey(SshVersion version,
PublicKeyAlgorithm algorithm, string comment = "")
{
if (version == SshVersion.SSH1 &&
algorithm != PublicKeyAlgorithm.SSH_RSA)
{
throw new Exception("unsupported version/algorithm combination");
}
switch (algorithm)
{
case PublicKeyAlgorithm.SSH_RSA:
case PublicKeyAlgorithm.SSH_RSA_CERT_V1:
KeyGenerationParameters keyGenParam =
new KeyGenerationParameters(secureRandom, 512);
var rsaKeyPairGen = new RsaKeyPairGenerator();
rsaKeyPairGen.Init(keyGenParam);
var keyPair = rsaKeyPairGen.GenerateKeyPair();
var rsaKey = new SshKey(version, keyPair, comment);
return(rsaKey);
case PublicKeyAlgorithm.SSH_DSS:
case PublicKeyAlgorithm.SSH_DSS_CERT_V1:
DsaParametersGenerator dsaParamGen = new DsaParametersGenerator();
dsaParamGen.Init(512, 10, secureRandom);
DsaParameters dsaParam = dsaParamGen.GenerateParameters();
DsaKeyGenerationParameters dsaKeyGenParam =
new DsaKeyGenerationParameters(secureRandom, dsaParam);
DsaKeyPairGenerator dsaKeyPairGen = new DsaKeyPairGenerator();
dsaKeyPairGen.Init(dsaKeyGenParam);
keyPair = dsaKeyPairGen.GenerateKeyPair();
var dsaKey = new SshKey(SshVersion.SSH2, keyPair);
dsaKey.Comment = comment;
return(dsaKey);
case PublicKeyAlgorithm.ECDSA_SHA2_NISTP256:
case PublicKeyAlgorithm.ECDSA_SHA2_NISTP256_CERT_V1:
X9ECParameters ecdsa256X9Params =
SecNamedCurves.GetByName("secp256r1");
ECDomainParameters ecdsa256DomainParams =
new ECDomainParameters(ecdsa256X9Params.Curve, ecdsa256X9Params.G,
ecdsa256X9Params.N, ecdsa256X9Params.H);
ECKeyGenerationParameters ecdsa256GenParams =
new ECKeyGenerationParameters(ecdsa256DomainParams, secureRandom);
ECKeyPairGenerator ecdsa256Gen = new ECKeyPairGenerator();
ecdsa256Gen.Init(ecdsa256GenParams);
keyPair = ecdsa256Gen.GenerateKeyPair();
var ecdsa256Key = new SshKey(SshVersion.SSH2, keyPair);
ecdsa256Key.Comment = comment;
return(ecdsa256Key);
case PublicKeyAlgorithm.ECDSA_SHA2_NISTP384:
case PublicKeyAlgorithm.ECDSA_SHA2_NISTP384_CERT_V1:
X9ECParameters ecdsa384X9Params =
SecNamedCurves.GetByName("secp384r1");
ECDomainParameters ecdsa384DomainParams =
new ECDomainParameters(ecdsa384X9Params.Curve, ecdsa384X9Params.G,
ecdsa384X9Params.N, ecdsa384X9Params.H);
ECKeyGenerationParameters ecdsa384GenParams =
new ECKeyGenerationParameters(ecdsa384DomainParams, secureRandom);
ECKeyPairGenerator ecdsa384Gen = new ECKeyPairGenerator();
ecdsa384Gen.Init(ecdsa384GenParams);
keyPair = ecdsa384Gen.GenerateKeyPair();
var ecdsa384Key = new SshKey(SshVersion.SSH2, keyPair);
ecdsa384Key.Comment = comment;
return(ecdsa384Key);
case PublicKeyAlgorithm.ECDSA_SHA2_NISTP521:
case PublicKeyAlgorithm.ECDSA_SHA2_NISTP521_CERT_V1:
X9ECParameters ecdsa521X9Params =
SecNamedCurves.GetByName("secp521r1");
ECDomainParameters ecdsa521DomainParams =
new ECDomainParameters(ecdsa521X9Params.Curve, ecdsa521X9Params.G,
ecdsa521X9Params.N, ecdsa521X9Params.H);
ECKeyGenerationParameters ecdsa521GenParams =
new ECKeyGenerationParameters(ecdsa521DomainParams, secureRandom);
ECKeyPairGenerator ecdsa521Gen = new ECKeyPairGenerator();
ecdsa521Gen.Init(ecdsa521GenParams);
keyPair = ecdsa521Gen.GenerateKeyPair();
var ecdsa521Key = new SshKey(SshVersion.SSH2, keyPair);
ecdsa521Key.Comment = comment;
return(ecdsa521Key);
case PublicKeyAlgorithm.ED25519:
case PublicKeyAlgorithm.ED25519_CERT_V1:
var privateKeySeed = secureRandom.GenerateSeed(Ed25519.PrivateKeySeedSizeInBytes);
var publicKeyBytes = new byte[Ed25519.PublicKeySizeInBytes];
var privateKeyBytes = new byte[Ed25519.ExpandedPrivateKeySizeInBytes];
Ed25519.KeyPairFromSeed(out publicKeyBytes, out privateKeyBytes, privateKeySeed);
var publicKey = new Ed25519PublicKeyParameter(publicKeyBytes);
var privateKey = new Ed25519PrivateKeyParameter(privateKeyBytes);
var ed25519Key = new SshKey(SshVersion.SSH2, publicKey, privateKey, comment);
return(ed25519Key);
default:
throw new Exception("unsupported algorithm");
}
}
public override void PerformTest()
{
PgpPublicKey pubKey = null;
//
// Read the public key
//
PgpPublicKeyRing pgpPub = new PgpPublicKeyRing(testPubKey);
pubKey = pgpPub.GetPublicKey();
//
// Read the private key
//
PgpSecretKeyRing sKey = new PgpSecretKeyRing(testPrivKey);
PgpSecretKey secretKey = sKey.GetSecretKey();
PgpPrivateKey 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);
AsymmetricCipherKeyPair kp = kpg.GenerateKeyPair();
PgpKeyPair pgpKp = new PgpKeyPair(PublicKeyAlgorithmTag.Dsa,
kp.Public, kp.Private, DateTime.UtcNow);
PgpPublicKey k1 = pgpKp.PublicKey;
PgpPrivateKey k2 = pgpKp.PrivateKey;
}
