private void DoTestKey(BigInteger keyId, string passphrase, bool utf8)
{
PgpSecretKeyRingBundle secretKeyRing = LoadSecretKeyCollection("secring.gpg");
PgpSecretKeyRing secretKey = secretKeyRing.GetSecretKeyRing(keyId.LongValue);
Assert.NotNull(secretKey, "Could not locate secret keyring with Id=" + keyId.ToString(16));
PgpSecretKey key = secretKey.GetSecretKey();
Assert.NotNull(key, "Could not locate secret key!");
try
{
char[] pass = passphrase.ToCharArray();
PgpPrivateKey privateKey = utf8
? key.ExtractPrivateKeyUtf8(pass)
: key.ExtractPrivateKey(pass);
Assert.IsTrue(privateKey.KeyId == keyId.LongValue);
}
catch (PgpException e)
{
throw new PgpException("Password incorrect!", e);
}
// all fine!
}
public BigIntegerRSAPublicKey(RSAParameters rsaParameters)
{
this.Modulus = new BigInteger(1, rsaParameters.Modulus);
this.modulusAsString = Modulus.ToString(10);
this.Exponent = new BigInteger(1, rsaParameters.Exponent);
this.exponentAsString = Exponent.ToString(10);
}
public static string H2hash(BigInteger qid, BigInteger p)
{
// H2 je RiPEMD-120: točka iz polja -> niz bita mod p
string tocka = qid.ToString();
RIPEMD160Managed crypt = new RIPEMD160Managed();
StringBuilder hash = new StringBuilder();
byte[] crypto = crypt.ComputeHash(Encoding.UTF8.GetBytes(tocka), 0, Encoding.UTF8.GetByteCount(tocka));
foreach (byte theByte in crypto)
{
hash.Append(theByte.ToString("x2"));
}
BigInteger hsh = new BigInteger(hash.ToString(), 16);
// hash mod n
BigInteger c = hsh.DivideAndRemainder(p)[1];
return c.ToString();
}
/// <summary>
/// millerov agoritam
/// </summary>
/// <param name="a">točka</param>
/// <param name="b">točka</param>
/// <param name="m">red grupe</param>
/// <param name="p">red polja, prim</param>
/// <returns></returns>
private static BigInteger Miller(FpPoint P, FpPoint Q, BigInteger m, BigInteger prim)
{
// Millerov algoritam
string mBin = m.ToString(2);
BigInteger t1 = new BigInteger("1", 10);
BigInteger t2 = new BigInteger("1", 10);
FpPoint V = P;
for (int i = 0; i < m.BitLength; i++)
{
V = (FpPoint)V.Twice();
t1 = t1.ModPow(new BigInteger("2", 10), prim).Multiply(MLF(V, V, Q));
if (mBin[i] == '1')
{
t1 = t1.Multiply(MLF(V, P, Q));
V = (FpPoint)V.Add(P);
}
}
return t1;
}
public ITestResult Perform()
{
BigInteger r = new BigInteger("8f79a582513df84dc247bcb624340cc0e5a34c4324a20ce7fe3ab8ff38a9db71",16);
BigInteger s = new BigInteger("7508d22fd6cbb45efd438cb875e43f137247088d0f54b29a7c91f68a65b5fa85",16);
Gost3410ParametersGenerator pGen = new Gost3410ParametersGenerator();
pGen.Init(1024, 2, init_random);
Gost3410Parameters parameters = pGen.GenerateParameters();
if (!pValue.Equals(parameters.P) || !qValue.Equals(parameters.Q))
{
return new SimpleTestResult(false, Name + ": p or q wrong");
}
Gost3410KeyPairGenerator Gost3410KeyGen = new Gost3410KeyPairGenerator();
Gost3410KeyGenerationParameters genParam = new Gost3410KeyGenerationParameters(keyRandom, parameters);
Gost3410KeyGen.Init(genParam);
AsymmetricCipherKeyPair pair = Gost3410KeyGen.GenerateKeyPair();
ParametersWithRandom param = new ParametersWithRandom(pair.Private, random);
Gost3410Signer Gost3410 = new Gost3410Signer();
Gost3410.Init(true, param);
BigInteger[] sig = Gost3410.GenerateSignature(hashmessage);
if (!r.Equals(sig[0]))
{
return new SimpleTestResult(false, Name
+ ": r component wrong." + SimpleTest.NewLine
+ " expecting: " + r.ToString(16) + SimpleTest.NewLine
+ " got : " + sig[0].ToString(16));
}
if (!s.Equals(sig[1]))
{
return new SimpleTestResult(false, Name
+ ": s component wrong." + SimpleTest.NewLine
+ " expecting: " + s.ToString(16) + SimpleTest.NewLine
+ " got : " + sig[1].ToString(16));
}
Gost3410.Init(false, pair.Public);
if (Gost3410.VerifySignature(hashmessage, sig[0], sig[1]))
{
return new SimpleTestResult(true, Name + ": Okay");
}
else
{
return new SimpleTestResult(false, Name + ": verification fails");
}
}
public ITestResult Perform()
{
BigInteger r = new BigInteger("90892707282f433398488f19d31ac48523a8e2ded68944e0da91c6895ee7045e",16);
BigInteger s = new BigInteger("3be4620ee88f1ee8f9dd63c7d145b7e554839feeca125049118262ea4651e9de",16);
Gost3410ParametersGenerator pGen = new Gost3410ParametersGenerator();
pGen.Init(1024, 2, init_random);
Gost3410Parameters parameters = pGen.GenerateParameters();
if (!pValue.Equals(parameters.P) || !qValue.Equals(parameters.Q))
{
return new SimpleTestResult(false, Name + ": p or q wrong");
}
Gost3410KeyPairGenerator Gost3410KeyGen = new Gost3410KeyPairGenerator();
Gost3410KeyGenerationParameters genParam = new Gost3410KeyGenerationParameters(keyRandom, parameters);
Gost3410KeyGen.Init(genParam);
AsymmetricCipherKeyPair pair = Gost3410KeyGen.GenerateKeyPair();
ParametersWithRandom param = new ParametersWithRandom(pair.Private, random);
Gost3410Signer Gost3410 = new Gost3410Signer();
Gost3410.Init(true, param);
BigInteger[] sig = Gost3410.GenerateSignature(hashmessage);
if (!r.Equals(sig[0]))
{
return new SimpleTestResult(false, Name
+ ": r component wrong." + SimpleTest.NewLine
+ " expecting: " + r.ToString(16) + SimpleTest.NewLine
+ " got : " + sig[0].ToString(16));
}
if (!s.Equals(sig[1]))
{
return new SimpleTestResult(false, Name
+ ": s component wrong." + SimpleTest.NewLine
+ " expecting: " + s.ToString(16) + SimpleTest.NewLine
+ " got : " + sig[1].ToString(16));
}
Gost3410.Init(false, pair.Public);
if (Gost3410.VerifySignature(hashmessage, sig[0], sig[1]))
{
return new SimpleTestResult(true, Name + ": Okay");
}
else
{
return new SimpleTestResult(false, Name + ": verification fails");
}
}
public ITestResult Perform()
{
BigInteger r = new BigInteger("712592d285b792e33b8a9a11e8e6c4f512ddf0042972bbfd1abb0a93e8fc6f54",16);
BigInteger s = new BigInteger("2cf26758321258b130d5612111339f09ceb8668241f3482e38baa56529963f07",16);
Gost3410ParametersGenerator pGen = new Gost3410ParametersGenerator();
pGen.Init(1024, 2, init_random);
Gost3410Parameters parameters = pGen.GenerateParameters();
if (!pValue.Equals(parameters.P) || !qValue.Equals(parameters.Q))
{
return new SimpleTestResult(false, Name + ": p or q wrong");
}
Gost3410KeyPairGenerator Gost3410KeyGen = new Gost3410KeyPairGenerator();
Gost3410KeyGenerationParameters genParam = new Gost3410KeyGenerationParameters(keyRandom, parameters);
Gost3410KeyGen.Init(genParam);
AsymmetricCipherKeyPair pair = Gost3410KeyGen.GenerateKeyPair();
ParametersWithRandom param = new ParametersWithRandom(pair.Private, random);
Gost3410Signer Gost3410 = new Gost3410Signer();
Gost3410.Init(true, param);
BigInteger[] sig = Gost3410.GenerateSignature(hashmessage);
if (!r.Equals(sig[0]))
{
return new SimpleTestResult(false, Name
+ ": r component wrong." + SimpleTest.NewLine
+ " expecting: " + r.ToString(16) + SimpleTest.NewLine
+ " got : " + sig[0].ToString(16));
}
if (!s.Equals(sig[1]))
{
return new SimpleTestResult(false, Name
+ ": s component wrong." + SimpleTest.NewLine
+ " expecting: " + s.ToString(16) + SimpleTest.NewLine
+ " got : " + sig[1].ToString(16));
}
Gost3410.Init(false, pair.Public);
if (Gost3410.VerifySignature(hashmessage, sig[0], sig[1]))
{
return new SimpleTestResult(true, Name + ": Okay");
}
else
{
return new SimpleTestResult(false, Name + ": verification fails");
}
}
public ITestResult Perform()
{
BigInteger r = new BigInteger("860d82c60e9502cd00c0e9e1f6563feafec304801974d745c5e02079946f729e",16);
BigInteger s = new BigInteger("7ef49264ef022801aaa03033cd97915235fbab4c823ed936b0f360c22114688a",16);
Gost3410ParametersGenerator pGen = new Gost3410ParametersGenerator();
pGen.Init(1024, 2, init_random);
Gost3410Parameters parameters = pGen.GenerateParameters();
if (!pValue.Equals(parameters.P) || !qValue.Equals(parameters.Q))
{
return new SimpleTestResult(false, Name + ": p or q wrong");
}
Gost3410KeyPairGenerator Gost3410KeyGen = new Gost3410KeyPairGenerator();
Gost3410KeyGenerationParameters genParam = new Gost3410KeyGenerationParameters(keyRandom, parameters);
Gost3410KeyGen.Init(genParam);
AsymmetricCipherKeyPair pair = Gost3410KeyGen.GenerateKeyPair();
ParametersWithRandom param = new ParametersWithRandom(pair.Private, random);
Gost3410Signer Gost3410 = new Gost3410Signer();
Gost3410.Init(true, param);
BigInteger[] sig = Gost3410.GenerateSignature(hashmessage);
if (!r.Equals(sig[0]))
{
return new SimpleTestResult(false, Name
+ ": r component wrong." + SimpleTest.NewLine
+ " expecting: " + r.ToString(16) + SimpleTest.NewLine
+ " got : " + sig[0].ToString(16));
}
if (!s.Equals(sig[1]))
{
return new SimpleTestResult(false, Name
+ ": s component wrong." + SimpleTest.NewLine
+ " expecting: " + s.ToString(16) + SimpleTest.NewLine
+ " got : " + sig[1].ToString(16));
}
Gost3410.Init(false, pair.Public);
if (Gost3410.VerifySignature(hashmessage, sig[0], sig[1]))
{
return new SimpleTestResult(true, Name + ": Okay");
}
else
{
return new SimpleTestResult(false, Name + ": verification fails");
}
}
public ITestResult Perform()
{
BigInteger r = new BigInteger("81d69a192e9c7ac21fc07da41bd07e230ba6a94eb9f3c1fd104c7bd976733ca5",16);
BigInteger s = new BigInteger("315c879c8414f35feb4deb15e7cc0278c48e6ca1596325d6959338d860b0c47a",16);
Gost3410ParametersGenerator pGen = new Gost3410ParametersGenerator();
pGen.Init(1024, 2, init_random);
Gost3410Parameters parameters = pGen.GenerateParameters();
if (!pValue.Equals(parameters.P) || !qValue.Equals(parameters.Q))
{
return new SimpleTestResult(false, Name + ": p or q wrong");
}
Gost3410KeyPairGenerator Gost3410KeyGen = new Gost3410KeyPairGenerator();
Gost3410KeyGenerationParameters genParam = new Gost3410KeyGenerationParameters(keyRandom, parameters);
Gost3410KeyGen.Init(genParam);
AsymmetricCipherKeyPair pair = Gost3410KeyGen.GenerateKeyPair();
ParametersWithRandom param = new ParametersWithRandom(pair.Private, random);
Gost3410Signer Gost3410 = new Gost3410Signer();
Gost3410.Init(true, param);
BigInteger[] sig = Gost3410.GenerateSignature(hashmessage);
if (!r.Equals(sig[0]))
{
return new SimpleTestResult(false, Name
+ ": r component wrong." + SimpleTest.NewLine
+ " expecting: " + r.ToString(16) + SimpleTest.NewLine
+ " got : " + sig[0].ToString(16));
}
if (!s.Equals(sig[1]))
{
return new SimpleTestResult(false, Name
+ ": s component wrong." + SimpleTest.NewLine
+ " expecting: " + s.ToString(16) + SimpleTest.NewLine
+ " got : " + sig[1].ToString(16));
}
Gost3410.Init(false, pair.Public);
if (Gost3410.VerifySignature(hashmessage, sig[0], sig[1]))
{
return new SimpleTestResult(true, Name + ": Okay");
}
else
{
return new SimpleTestResult(false, Name + ": verification fails");
}
}
public ITestResult Perform()
{
BigInteger r = new BigInteger("a8790aabbd5a998ff524bad048ac69cd1faff2dab048265c8d60d1471c44a9ee",16);
BigInteger s = new BigInteger("30df5ba32ac77170b9632559bef7d37620017756dff3fea1088b4267db0944b8",16);
Gost3410ParametersGenerator pGen = new Gost3410ParametersGenerator();
pGen.Init(1024, 1, init_random);
Gost3410Parameters parameters = pGen.GenerateParameters();
if (!pValue.Equals(parameters.P) || !qValue.Equals(parameters.Q))
{
return new SimpleTestResult(false, Name + ": p or q wrong");
}
Gost3410KeyPairGenerator Gost3410KeyGen = new Gost3410KeyPairGenerator();
Gost3410KeyGenerationParameters genParam = new Gost3410KeyGenerationParameters(keyRandom, parameters);
Gost3410KeyGen.Init(genParam);
AsymmetricCipherKeyPair pair = Gost3410KeyGen.GenerateKeyPair();
ParametersWithRandom param = new ParametersWithRandom(pair.Private, random);
Gost3410Signer Gost3410 = new Gost3410Signer();
Gost3410.Init(true, param);
BigInteger[] sig = Gost3410.GenerateSignature(hashmessage);
if (!r.Equals(sig[0]))
{
return new SimpleTestResult(false, Name
+ ": r component wrong." + SimpleTest.NewLine
+ " expecting: " + r.ToString(16) + SimpleTest.NewLine
+ " got : " + sig[0].ToString(16));
}
if (!s.Equals(sig[1]))
{
return new SimpleTestResult(false, Name
+ ": s component wrong." + SimpleTest.NewLine
+ " expecting: " + s.ToString(16) + SimpleTest.NewLine
+ " got : " + sig[1].ToString(16));
}
Gost3410.Init(false, pair.Public);
if (Gost3410.VerifySignature(hashmessage, sig[0], sig[1]))
{
return new SimpleTestResult(true, Name + ": Okay");
}
else
{
return new SimpleTestResult(false, Name + ": verification fails");
}
}
public void TestToString()
{
string s = "12345667890987654321";
Assert.AreEqual(s, new BigInteger(s).ToString());
Assert.AreEqual(s, new BigInteger(s, 10).ToString(10));
Assert.AreEqual(s, new BigInteger(s, 16).ToString(16));
for (int i = 0; i < 100; ++i)
{
BigInteger n = new BigInteger(i, random);
Assert.AreEqual(n, new BigInteger(n.ToString(2), 2));
Assert.AreEqual(n, new BigInteger(n.ToString(10), 10));
Assert.AreEqual(n, new BigInteger(n.ToString(16), 16));
}
}
public void TestDivideAndRemainder()
{
// TODO More basic tests
BigInteger n = new BigInteger(48, random);
BigInteger[] qr = n.DivideAndRemainder(one);
Assert.AreEqual(n, qr[0]);
Assert.AreEqual(zero, qr[1]);
for (int rep = 0; rep < 10; ++rep)
{
BigInteger a = new BigInteger(100 - rep, 0, random);
BigInteger b = new BigInteger(100 + rep, 0, random);
BigInteger c = new BigInteger(10 + rep, 0, random);
BigInteger d = a.Multiply(b).Add(c);
BigInteger[] es = d.DivideAndRemainder(a);
Assert.AreEqual(b, es[0]);
Assert.AreEqual(c, es[1]);
}
// Special tests for power of two since uses different code path internally
for (int i = 0; i < 100; ++i)
{
int shift = random.Next(64);
BigInteger a = one.ShiftLeft(shift);
BigInteger b = new BigInteger(64 + random.Next(64), random);
BigInteger bShift = b.ShiftRight(shift);
BigInteger bMod = b.And(a.Subtract(one));
string data = "shift=" + shift +", b=" + b.ToString(16);
qr = b.DivideAndRemainder(a);
Assert.AreEqual(bShift, qr[0], data);
Assert.AreEqual(bMod, qr[1], data);
qr = b.DivideAndRemainder(a.Negate());
Assert.AreEqual(bShift.Negate(), qr[0], data);
Assert.AreEqual(bMod, qr[1], data);
qr = b.Negate().DivideAndRemainder(a);
Assert.AreEqual(bShift.Negate(), qr[0], data);
Assert.AreEqual(bMod.Negate(), qr[1], data);
qr = b.Negate().DivideAndRemainder(a.Negate());
Assert.AreEqual(bShift, qr[0], data);
Assert.AreEqual(bMod.Negate(), qr[1], data);
}
}
public void TestDivide()
{
for (int i = -5; i <= 5; ++i)
{
try
{
val(i).Divide(zero);
Assert.Fail("expected ArithmeticException");
}
catch (ArithmeticException) {}
}
int product = 1 * 2 * 3 * 4 * 5 * 6 * 7 * 8 * 9;
int productPlus = product + 1;
BigInteger bigProduct = val(product);
BigInteger bigProductPlus = val(productPlus);
for (int divisor = 1; divisor < 10; ++divisor)
{
// Exact division
BigInteger expected = val(product / divisor);
Assert.AreEqual(expected, bigProduct.Divide(val(divisor)));
Assert.AreEqual(expected.Negate(), bigProduct.Negate().Divide(val(divisor)));
Assert.AreEqual(expected.Negate(), bigProduct.Divide(val(divisor).Negate()));
Assert.AreEqual(expected, bigProduct.Negate().Divide(val(divisor).Negate()));
expected = val((product + 1)/divisor);
Assert.AreEqual(expected, bigProductPlus.Divide(val(divisor)));
Assert.AreEqual(expected.Negate(), bigProductPlus.Negate().Divide(val(divisor)));
Assert.AreEqual(expected.Negate(), bigProductPlus.Divide(val(divisor).Negate()));
Assert.AreEqual(expected, bigProductPlus.Negate().Divide(val(divisor).Negate()));
}
for (int rep = 0; rep < 10; ++rep)
{
BigInteger a = new BigInteger(100 - rep, 0, random);
BigInteger b = new BigInteger(100 + rep, 0, random);
BigInteger c = new BigInteger(10 + rep, 0, random);
BigInteger d = a.Multiply(b).Add(c);
BigInteger e = d.Divide(a);
Assert.AreEqual(b, e);
}
// Special tests for power of two since uses different code path internally
for (int i = 0; i < 100; ++i)
{
int shift = random.Next(64);
BigInteger a = one.ShiftLeft(shift);
BigInteger b = new BigInteger(64 + random.Next(64), random);
BigInteger bShift = b.ShiftRight(shift);
string data = "shift=" + shift +", b=" + b.ToString(16);
Assert.AreEqual(bShift, b.Divide(a), data);
Assert.AreEqual(bShift.Negate(), b.Divide(a.Negate()), data);
Assert.AreEqual(bShift.Negate(), b.Negate().Divide(a), data);
Assert.AreEqual(bShift, b.Negate().Divide(a.Negate()), data);
}
// Regression
{
int shift = 63;
BigInteger a = one.ShiftLeft(shift);
BigInteger b = new BigInteger(1, Hex.Decode("2504b470dc188499"));
BigInteger bShift = b.ShiftRight(shift);
string data = "shift=" + shift +", b=" + b.ToString(16);
Assert.AreEqual(bShift, b.Divide(a), data);
Assert.AreEqual(bShift.Negate(), b.Divide(a.Negate()), data);
// Assert.AreEqual(bShift.Negate(), b.Negate().Divide(a), data);
Assert.AreEqual(bShift, b.Negate().Divide(a.Negate()), data);
}
}
// Miller "function"
private static BigInteger MLF(FpPoint P, FpPoint R, FpPoint Q)
{
if (!P.Equals(R))
{
if (P.X.Equals(R.X))
{
return Q.X.Subtract(P.X).ToBigInteger();
}
else {
BigInteger l = R.Y.Subtract(P.Y).Divide((R.X.Subtract(P.X))).ToBigInteger();
return Q.Y.Subtract(P.Y).ToBigInteger().Subtract(l.Multiply((Q.X.Subtract(P.X).ToBigInteger())));
}
}
else
{
// z*y^2=d*x^3+a*x+b -> derivacija po x -> 3*x^2+a
BigInteger brojnik = new BigInteger("3", 10).Multiply(P.X.ToBigInteger().Pow(2));
// z*y^2=d*x^3+a*x+b -> derivacija po y -> 2*y
BigInteger nazivnik = new BigInteger("2", 10).Multiply(P.Y.ToBigInteger());
if (nazivnik.ToString(10) == "0")
{
return (Q.X.ToBigInteger().Subtract(P.X.ToBigInteger()));
}
else
{
double koef = (double)(brojnik.IntValue / nazivnik.IntValue);
double rez = Q.Y.Subtract(P.Y).ToBigInteger().IntValue - koef * (Q.X.Subtract(P.X).ToBigInteger().IntValue);
return new BigInteger(rez.ToString(), 10);
}
}
}
public System.Numerics.BigInteger[] Merge(Part[][] parts, int threshold)
{
Org.BouncyCastle.Math.BigInteger p1 = new Org.BouncyCastle.Math.BigInteger(p.ToString());
Console.WriteLine("p1" + p1.ToString());
int secretSize = parts[0].Length;
Console.WriteLine("secretsize" + secretSize);
System.Numerics.BigInteger[] results = new System.Numerics.BigInteger[secretSize];
string[] secret = new string[secretSize];
byte[] ba;
string str;
int count = 0;
// loop through each secret partition
for (int i = 0; i < secretSize; i++)
{
Sum = System.Numerics.BigInteger.Zero;
//doing lagrange interpolation
for (int j = 0; j < threshold; j++)
{
mult = System.Numerics.BigInteger.One;
for (int k = 0; k < threshold; k++)
{
if (j != k)
{
System.Numerics.BigInteger numerator = parts[k][i].GetX();
System.Numerics.BigInteger denominator = System.Numerics.BigInteger.Subtract(numerator, parts[j][i].GetX());
// take mod of negative number
while (System.Numerics.BigInteger.Compare(denominator, System.Numerics.BigInteger.Zero) < 0)
{
denominator = System.Numerics.BigInteger.Add(denominator, p);
}
//convert to bouncycastle biginteger to calculate modInverse
Org.BouncyCastle.Math.BigInteger denominator1 = new Org.BouncyCastle.Math.BigInteger(denominator.ToString());
Org.BouncyCastle.Math.BigInteger invDenominator1 = denominator1.ModInverse(p1);
System.Numerics.BigInteger invDenominator = System.Numerics.BigInteger.Parse(invDenominator1.ToString());
mult = System.Numerics.BigInteger.Multiply(mult, System.Numerics.BigInteger.Multiply(numerator, invDenominator));
mult = System.Numerics.BigInteger.Remainder(mult, p);
}
}
mult = System.Numerics.BigInteger.Multiply(mult, parts[j][i].GetY());
mult = System.Numerics.BigInteger.Remainder(mult, p);
Sum = System.Numerics.BigInteger.Add(Sum, mult);
Sum = System.Numerics.BigInteger.Remainder(Sum, p);
}
results[i] = Sum;
}
foreach (System.Numerics.BigInteger r in results)
{
//Console.WriteLine(r);
//System.Numerics.BigInteger.TryParse
ba = r.ToByteArray();
str = Encoding.UTF8.GetString(ba);
//Console.WriteLine(str);
secret[count++] = str;
}
str = string.Join("", secret);
str.Replace("\n", "");
return(results);
}
public ITestResult Perform()
{
BigInteger r = new BigInteger("7c07c8cf035c2a1cb2b7fae5807ac7cd623dfca7a1a68f6d858317822f1ea00d",16);
BigInteger s = new BigInteger("7e9e036a6ff87dbf9b004818252b1f6fc310bdd4d17cb8c37d9c36c7884de60c",16);
Gost3410ParametersGenerator pGen = new Gost3410ParametersGenerator();
pGen.Init(512, 2, init_random);
Gost3410Parameters parameters = pGen.GenerateParameters();
if (!init_random.IsExhausted)
{
return new SimpleTestResult(false, Name
+ ": unexpected number of bytes used from 'init_random'.");
}
if (parameters.ValidationParameters == null)
{
return new SimpleTestResult(false, Name + ": validation parameters wrong");
}
if (parameters.ValidationParameters.CL != 13
|| parameters.ValidationParameters.X0L != 1039943409)
{
return new SimpleTestResult(false, Name + ": validation parameters values wrong");
}
if (!pValue.Equals(parameters.P) || !qValue.Equals(parameters.Q))
{
return new SimpleTestResult(false, Name + ": p or q wrong");
}
Gost3410KeyPairGenerator Gost3410KeyGen = new Gost3410KeyPairGenerator();
Gost3410KeyGenerationParameters genParam = new Gost3410KeyGenerationParameters(keyRandom, parameters);
Gost3410KeyGen.Init(genParam);
AsymmetricCipherKeyPair pair = Gost3410KeyGen.GenerateKeyPair();
if (!keyRandom.IsExhausted)
{
return new SimpleTestResult(false, Name
+ ": unexpected number of bytes used from 'keyRandom'.");
}
ParametersWithRandom param = new ParametersWithRandom(pair.Private, random);
Gost3410Signer Gost3410 = new Gost3410Signer();
Gost3410.Init(true, param);
BigInteger[] sig = Gost3410.GenerateSignature(hashmessage);
if (!random.IsExhausted)
{
return new SimpleTestResult(false, Name
+ ": unexpected number of bytes used from 'random'.");
}
if (!r.Equals(sig[0]))
{
return new SimpleTestResult(false, Name
+ ": r component wrong." + SimpleTest.NewLine
+ " expecting: " + r.ToString(16) + SimpleTest.NewLine
+ " got : " + sig[0].ToString(16));
}
if (!s.Equals(sig[1]))
{
return new SimpleTestResult(false, Name
+ ": s component wrong." + SimpleTest.NewLine
+ " expecting: " + s.ToString(16) + SimpleTest.NewLine
+ " got : " + sig[1].ToString(16));
}
Gost3410.Init(false, pair.Public);
if (!Gost3410.VerifySignature(hashmessage, sig[0], sig[1]))
{
return new SimpleTestResult(false, Name + ": verification fails");
}
return new SimpleTestResult(true, Name + ": Okay");
}
public ITestResult Perform()
{
BigInteger r = new BigInteger("169fdb2dc09f690b71332432bfec806042e258fa9a21dafe73c6abfbc71407d9",16);
BigInteger s = new BigInteger("9002551808ae40d19f6f31fb67e4563101243cf07cffd5f2f8ff4c537b0c9866",16);
Gost3410ParametersGenerator pGen = new Gost3410ParametersGenerator();
pGen.Init(1024, 2, init_random);
Gost3410Parameters parameters = pGen.GenerateParameters();
if (!pValue.Equals(parameters.P) || !qValue.Equals(parameters.Q))
{
return new SimpleTestResult(false, Name + ": p or q wrong");
}
Gost3410KeyPairGenerator Gost3410KeyGen = new Gost3410KeyPairGenerator();
Gost3410KeyGenerationParameters genParam = new Gost3410KeyGenerationParameters(keyRandom, parameters);
Gost3410KeyGen.Init(genParam);
AsymmetricCipherKeyPair pair = Gost3410KeyGen.GenerateKeyPair();
ParametersWithRandom param = new ParametersWithRandom(pair.Private, random);
Gost3410Signer Gost3410 = new Gost3410Signer();
Gost3410.Init(true, param);
BigInteger[] sig = Gost3410.GenerateSignature(hashmessage);
if (!r.Equals(sig[0]))
{
return new SimpleTestResult(false, Name
+ ": r component wrong." + SimpleTest.NewLine
+ " expecting: " + r.ToString(16) + SimpleTest.NewLine
+ " got : " + sig[0].ToString(16));
}
if (!s.Equals(sig[1]))
{
return new SimpleTestResult(false, Name
+ ": s component wrong." + SimpleTest.NewLine
+ " expecting: " + s.ToString(16) + SimpleTest.NewLine
+ " got : " + sig[1].ToString(16));
}
Gost3410.Init(false, pair.Public);
if (Gost3410.VerifySignature(hashmessage, sig[0], sig[1]))
{
return new SimpleTestResult(true, Name + ": Okay");
}
else
{
return new SimpleTestResult(false, Name + ": verification fails");
}
}
// Only the ctor should be calling with isAuthority = true
// if isAuthority, value for isMachineCert doesn't matter
private X509CertificateContainer CreateCertificate(bool isAuthority, bool isMachineCert, X509Certificate signingCertificate, CertificateCreationSettings certificateCreationSettings)
{
if (certificateCreationSettings == null)
{
if (isAuthority)
{
certificateCreationSettings = new CertificateCreationSettings();
}
else
{
throw new Exception("Parameter certificateCreationSettings cannot be null when isAuthority is false");
}
}
// Set to default cert creation settings if not set
if (certificateCreationSettings.ValidityNotBefore == default(DateTime))
{
certificateCreationSettings.ValidityNotBefore = _defaultValidityNotBefore;
}
if (certificateCreationSettings.ValidityNotAfter == default(DateTime))
{
certificateCreationSettings.ValidityNotAfter = _defaultValidityNotAfter;
}
if (!isAuthority ^ (signingCertificate != null))
{
throw new ArgumentException("Either isAuthority == true or signingCertificate is not null");
}
string subject = certificateCreationSettings.Subject;
// If certificateCreationSettings.SubjectAlternativeNames == null, then we should add exactly one SubjectAlternativeName == Subject
// so that the default certificate generated is compatible with mainline scenarios
// However, if certificateCreationSettings.SubjectAlternativeNames == string[0], then allow this as this is a legit scenario we want to test out
if (certificateCreationSettings.SubjectAlternativeNames == null)
{
certificateCreationSettings.SubjectAlternativeNames = new string[1] { subject };
}
string[] subjectAlternativeNames = certificateCreationSettings.SubjectAlternativeNames;
if (!isAuthority && string.IsNullOrWhiteSpace(subject))
{
throw new ArgumentException("Certificate Subject must not be an empty string or only whitespace", "creationSettings.Subject");
}
EnsureInitialized();
s_certGenerator.Reset();
s_certGenerator.SetSignatureAlgorithm(_signatureAlthorithm);
X509Name authorityX509Name = CreateX509Name(_authorityCanonicalName);
var serialNum = new BigInteger(64 /*sizeInBits*/, _random).Abs();
var keyPair = isAuthority ? _authorityKeyPair : _keyPairGenerator.GenerateKeyPair();
if (isAuthority)
{
s_certGenerator.SetIssuerDN(authorityX509Name);
s_certGenerator.SetSubjectDN(authorityX509Name);
var authorityKeyIdentifier = new AuthorityKeyIdentifier(
SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(_authorityKeyPair.Public),
new GeneralNames(new GeneralName(authorityX509Name)),
serialNum);
s_certGenerator.AddExtension(X509Extensions.AuthorityKeyIdentifier, false, authorityKeyIdentifier);
s_certGenerator.AddExtension(X509Extensions.KeyUsage, false, new KeyUsage(X509KeyUsage.DigitalSignature | X509KeyUsage.KeyAgreement | X509KeyUsage.KeyCertSign | X509KeyUsage.KeyEncipherment | X509KeyUsage.CrlSign));
}
else
{
X509Name subjectName = CreateX509Name(subject);
s_certGenerator.SetIssuerDN(PrincipalUtilities.GetSubjectX509Principal(signingCertificate));
s_certGenerator.SetSubjectDN(subjectName);
s_certGenerator.AddExtension(X509Extensions.AuthorityKeyIdentifier, false, new AuthorityKeyIdentifierStructure(_authorityKeyPair.Public));
s_certGenerator.AddExtension(X509Extensions.KeyUsage, false, new KeyUsage(X509KeyUsage.DigitalSignature | X509KeyUsage.KeyAgreement | X509KeyUsage.KeyEncipherment));
}
s_certGenerator.AddExtension(X509Extensions.SubjectKeyIdentifier, false, new SubjectKeyIdentifierStructure(keyPair.Public));
s_certGenerator.SetSerialNumber(serialNum);
s_certGenerator.SetNotBefore(certificateCreationSettings.ValidityNotBefore);
s_certGenerator.SetNotAfter(certificateCreationSettings.ValidityNotAfter);
s_certGenerator.SetPublicKey(keyPair.Public);
s_certGenerator.AddExtension(X509Extensions.BasicConstraints, true, new BasicConstraints(isAuthority));
s_certGenerator.AddExtension(X509Extensions.ExtendedKeyUsage, false, new ExtendedKeyUsage(KeyPurposeID.IdKPServerAuth, KeyPurposeID.IdKPClientAuth));
if (!isAuthority)
{
if (isMachineCert)
{
List<Asn1Encodable> subjectAlternativeNamesAsAsn1EncodableList = new List<Asn1Encodable>();
// All endpoints should also be in the Subject Alt Names
for (int i = 0; i < subjectAlternativeNames.Length; i++)
{
if (!string.IsNullOrWhiteSpace(subjectAlternativeNames[i]))
{
// Machine certs can have additional DNS names
subjectAlternativeNamesAsAsn1EncodableList.Add(new GeneralName(GeneralName.DnsName, subjectAlternativeNames[i]));
}
}
s_certGenerator.AddExtension(X509Extensions.SubjectAlternativeName, true, new DerSequence(subjectAlternativeNamesAsAsn1EncodableList.ToArray()));
}
else
{
if (subjectAlternativeNames.Length > 1)
{
var subjectAlternativeNamesAsAsn1EncodableList = new Asn1EncodableVector();
// Only add a SAN for the user if there are any
for (int i = 1; i < subjectAlternativeNames.Length; i++)
{
if (!string.IsNullOrWhiteSpace(subjectAlternativeNames[i]))
{
Asn1EncodableVector otherNames = new Asn1EncodableVector();
otherNames.Add(new DerObjectIdentifier(_upnObjectId));
otherNames.Add(new DerTaggedObject(true, 0, new DerUtf8String(subjectAlternativeNames[i])));
Asn1Object genName = new DerTaggedObject(false, 0, new DerSequence(otherNames));
subjectAlternativeNamesAsAsn1EncodableList.Add(genName);
}
}
s_certGenerator.AddExtension(X509Extensions.SubjectAlternativeName, true, new DerSequence(subjectAlternativeNamesAsAsn1EncodableList));
}
}
}
// Our CRL Distribution Point has the serial number in the query string to fool Windows into doing a fresh query
// rather than using a cached copy of the CRL in the case where the CRL has been previously accessed before
var crlDistributionPoints = new DistributionPoint[2] {
new DistributionPoint(new DistributionPointName(
new GeneralNames(new GeneralName(
GeneralName.UniformResourceIdentifier, string.Format("{0}?serialNum={1}", _crlUri, serialNum.ToString(radix: 16))))),
null,
null),
new DistributionPoint(new DistributionPointName(
new GeneralNames(new GeneralName(
GeneralName.UniformResourceIdentifier, string.Format("{0}?serialNum={1}", _crlUri, serialNum.ToString(radix: 16))))),
null,
new GeneralNames(new GeneralName(authorityX509Name)))
};
var revocationListExtension = new CrlDistPoint(crlDistributionPoints);
s_certGenerator.AddExtension(X509Extensions.CrlDistributionPoints, false, revocationListExtension);
X509Certificate cert = s_certGenerator.Generate(_authorityKeyPair.Private, _random);
switch (certificateCreationSettings.ValidityType)
{
case CertificateValidityType.Revoked:
RevokeCertificateBySerialNumber(serialNum.ToString(radix: 16));
break;
case CertificateValidityType.Expired:
break;
default:
EnsureCertificateIsValid(cert);
break;
}
// For now, given that we don't know what format to return it in, preserve the formats so we have
// the flexibility to do what we need to
X509CertificateContainer container = new X509CertificateContainer();
X509CertificateEntry[] chain = new X509CertificateEntry[1];
chain[0] = new X509CertificateEntry(cert);
Pkcs12Store store = new Pkcs12StoreBuilder().Build();
store.SetKeyEntry(
certificateCreationSettings.FriendlyName != null ? certificateCreationSettings.FriendlyName : string.Empty,
new AsymmetricKeyEntry(keyPair.Private),
chain);
using (MemoryStream stream = new MemoryStream())
{
store.Save(stream, _password.ToCharArray(), _random);
container.Pfx = stream.ToArray();
}
X509Certificate2 outputCert;
if (isAuthority)
{
// don't hand out the private key for the cert when it's the authority
outputCert = new X509Certificate2(cert.GetEncoded());
}
else
{
// Otherwise, allow encode with the private key. note that X509Certificate2.RawData will not provide the private key
// you will have to re-export this cert if needed
outputCert = new X509Certificate2(container.Pfx, _password, X509KeyStorageFlags.MachineKeySet | X509KeyStorageFlags.Exportable | X509KeyStorageFlags.PersistKeySet);
}
container.Subject = subject;
container.InternalCertificate = cert;
container.Certificate = outputCert;
container.Thumbprint = outputCert.Thumbprint;
Trace.WriteLine("[CertificateGenerator] generated a certificate:");
Trace.WriteLine(string.Format(" {0} = {1}", "isAuthority", isAuthority));
if (!isAuthority)
{
Trace.WriteLine(string.Format(" {0} = {1}", "Signed by", signingCertificate.SubjectDN));
Trace.WriteLine(string.Format(" {0} = {1}", "Subject (CN) ", subject));
Trace.WriteLine(string.Format(" {0} = {1}", "Subject Alt names ", string.Join(", ", subjectAlternativeNames)));
Trace.WriteLine(string.Format(" {0} = {1}", "Friendly Name ", certificateCreationSettings.FriendlyName));
}
Trace.WriteLine(string.Format(" {0} = {1}", "HasPrivateKey:", outputCert.HasPrivateKey));
Trace.WriteLine(string.Format(" {0} = {1}", "Thumbprint", outputCert.Thumbprint));
Trace.WriteLine(string.Format(" {0} = {1}", "CertificateValidityType", certificateCreationSettings.ValidityType));
return container;
}
public ITestResult Perform()
{
BigInteger r = new BigInteger("3e5f895e276d81d2d52c0763270a458157b784c57abdbd807bc44fd43a32ac06",16);
BigInteger s = new BigInteger("3f0dd5d4400d47c08e4ce505ff7434b6dbf729592e37c74856dab85115a60955",16);
Gost3410ParametersGenerator pGen = new Gost3410ParametersGenerator();
pGen.Init(512, 1, init_random);
Gost3410Parameters parameters = pGen.GenerateParameters();
if (parameters.ValidationParameters == null)
{
return new SimpleTestResult(false, Name + "validation parameters wrong");
}
if (parameters.ValidationParameters.C != 29505
|| parameters.ValidationParameters.X0 != 24265)
{
return new SimpleTestResult(false, Name + "validation parameters values wrong");
}
if (!init_random.IsExhausted)
{
return new SimpleTestResult(false, Name
+ ": unexpected number of bytes used from 'init_random'.");
}
if (!pValue.Equals(parameters.P) || !qValue.Equals(parameters.Q))
{
return new SimpleTestResult(false, Name + ": p or q wrong");
}
Gost3410KeyPairGenerator Gost3410KeyGen = new Gost3410KeyPairGenerator();
Gost3410KeyGenerationParameters genParam = new Gost3410KeyGenerationParameters(keyRandom, parameters);
Gost3410KeyGen.Init(genParam);
AsymmetricCipherKeyPair pair = Gost3410KeyGen.GenerateKeyPair();
if (!keyRandom.IsExhausted)
{
return new SimpleTestResult(false, Name
+ ": unexpected number of bytes used from 'keyRandom'.");
}
ParametersWithRandom param = new ParametersWithRandom(pair.Private, random);
Gost3410Signer gost3410 = new Gost3410Signer();
gost3410.Init(true, param);
BigInteger[] sig = gost3410.GenerateSignature(hashmessage);
if (!random.IsExhausted)
{
return new SimpleTestResult(false, Name
+ ": unexpected number of bytes used from 'random'.");
}
if (!r.Equals(sig[0]))
{
return new SimpleTestResult(false, Name
+ ": r component wrong." + SimpleTest.NewLine
+ " expecting: " + r.ToString(16) + SimpleTest.NewLine
+ " got : " + sig[0].ToString(16));
}
if (!s.Equals(sig[1]))
{
return new SimpleTestResult(false, Name
+ ": s component wrong." + SimpleTest.NewLine
+ " expecting: " + s.ToString(16) + SimpleTest.NewLine
+ " got : " + sig[1].ToString(16));
}
gost3410.Init(false, pair.Public);
if (gost3410.VerifySignature(hashmessage, sig[0], sig[1]))
{
return new SimpleTestResult(true, Name + ": Okay");
}
else
{
return new SimpleTestResult(false, Name + ": verification fails");
}
}
/// <summary>
/// Generate a set of M-of-N parts for a specific private key.
/// If desiredPrivKey is null, then a random key will be selected.
/// </summary>
public void Generate(int PartsNeededToDecode, int PartsToGenerate, byte[] desiredPrivKey)
{
if (PartsNeededToDecode > PartsToGenerate) {
throw new ApplicationException("Number of parts needed exceeds number of parts to generate.");
}
if (PartsNeededToDecode > 8 || PartsToGenerate > 8) {
throw new ApplicationException("Maximum number of parts is 8");
}
if (PartsNeededToDecode < 1 || PartsToGenerate < 1) {
throw new ApplicationException("Minimum number of parts is 1");
}
if (desiredPrivKey != null && desiredPrivKey.Length != 32) {
throw new ApplicationException("Desired private key must be 32 bytes");
}
KeyParts.Clear();
decodedKeyParts.Clear();
SecureRandom sr = new SecureRandom();
// Get 8 random big integers into v[i].
byte[][] vvv = new byte[8][];
BigInteger[] v = new BigInteger[8];
for (int i = 0; i < 8; i++) {
byte[] b = new byte[32];
sr.NextBytes(b, 0, 32);
// For larger values of i, chop off some most-significant-bits to prevent overflows as they are
// multiplied with increasingly larger factors.
if (i >= 7) {
b[0] &= 0x7f;
}
v[i] = new BigInteger(1, b);
Debug.WriteLine(String.Format("v({0})={1}", i, v[i].ToString()));
}
// if a certain private key is desired, then specify it.
if (desiredPrivKey != null) {
// replace v[0] with xor(v[1...7]) xor desiredPrivKey
BigInteger newv0 = BigInteger.Zero;
for (int i=1; i<PartsNeededToDecode; i++) {
newv0 = newv0.Xor(v[i]);
}
v[0] = newv0.Xor(new BigInteger(1,desiredPrivKey));
}
// Generate the expected private key from all the parts
BigInteger privkey = new BigInteger("0");
for (int i = 0; i < PartsNeededToDecode; i++) {
privkey = privkey.Xor(v[i]);
}
// Get the bitcoin address
byte[] keybytes = privkey.ToByteArrayUnsigned();
// make sure we have 32 bytes, we'll need it
if (keybytes.Length < 32) {
byte[] array32 = new byte[32];
Array.Copy(keybytes, 0, array32, 32 - keybytes.Length, keybytes.Length);
keybytes = array32;
}
KeyPair = new KeyPair(keybytes);
byte[] checksum = Util.ComputeSha256(BitcoinAddress);
// Generate the parts
for (int i = 0; i < PartsToGenerate; i++) {
BigInteger total = new BigInteger("0");
for (int j = 0; j < PartsNeededToDecode; j++) {
int factor = 1;
for (int ii = 0; ii <= i; ii++) factor = factor * (j + 1);
BigInteger bfactor = new BigInteger(factor.ToString());
total = total.Add(v[j].Multiply(bfactor));
}
Debug.WriteLine(String.Format(" pc{0}={1}", i, total.ToString()));
byte[] parts = new byte[39];
parts[0] = 0x4f;
parts[1] = (byte)(0x93 + PartsNeededToDecode);
int parts23 = (((checksum[0] << 8) + checksum[1]) & 0x1ff);
Debug.WriteLine("checksum " + parts23.ToString());
parts23 += 0x6000;
parts23 += (i << 9);
byte[] btotal = total.ToByteArrayUnsigned();
for (int jj = 0; jj < btotal.Length; jj++) {
parts[jj + 4 + (35 - btotal.Length)] = btotal[jj];
}
parts[2] = (byte)((parts23 & 0xFF00) >> 8);
parts[3] = (byte)(parts23 & 0xFF);
KeyParts.Add(Util.ByteArrayToBase58Check(parts));
decodedKeyParts.Add(parts);
}
}
public ITestResult Perform()
{
BigInteger r = new BigInteger("64a8856628e5669d85f62cd763dd4a99bc56d33dc0e1859122855d141e9e4774",16);
BigInteger s = new BigInteger("319ebac97092b288d469a4b988248794f60c865bc97858d9a3135c6d1a1bf2dd",16);
Gost3410ParametersGenerator pGen = new Gost3410ParametersGenerator();
pGen.Init(1024, 2, init_random);
Gost3410Parameters parameters = pGen.GenerateParameters();
if (!pValue.Equals(parameters.P) || !qValue.Equals(parameters.Q))
{
return new SimpleTestResult(false, Name + ": p or q wrong");
}
Gost3410KeyPairGenerator Gost3410KeyGen = new Gost3410KeyPairGenerator();
Gost3410KeyGenerationParameters genParam = new Gost3410KeyGenerationParameters(keyRandom, parameters);
Gost3410KeyGen.Init(genParam);
AsymmetricCipherKeyPair pair = Gost3410KeyGen.GenerateKeyPair();
ParametersWithRandom param = new ParametersWithRandom(pair.Private, random);
Gost3410Signer Gost3410 = new Gost3410Signer();
Gost3410.Init(true, param);
BigInteger[] sig = Gost3410.GenerateSignature(hashmessage);
if (!r.Equals(sig[0]))
{
return new SimpleTestResult(false, Name
+ ": r component wrong." + SimpleTest.NewLine
+ " expecting: " + r.ToString(16) + SimpleTest.NewLine
+ " got : " + sig[0].ToString(16));
}
if (!s.Equals(sig[1]))
{
return new SimpleTestResult(false, Name
+ ": s component wrong." + SimpleTest.NewLine
+ " expecting: " + s.ToString(16) + SimpleTest.NewLine
+ " got : " + sig[1].ToString(16));
}
Gost3410.Init(false, pair.Public);
if (Gost3410.VerifySignature(hashmessage, sig[0], sig[1]))
{
return new SimpleTestResult(true, Name + ": Okay");
}
else
{
return new SimpleTestResult(false, Name + ": verification fails");
}
}
/// <summary>
/// Increments the serial number in the serial file
/// </summary>
public void IncrementSerial()
{
String txt = File.ReadAllText(SerialFile);
var bi = new BigInteger(txt, SerialNumberRadix);
bi = bi.Add(BigInteger.One);
File.WriteAllText(SerialFile, bi.ToString(SerialNumberRadix));
}
public ITestResult Perform()
{
BigInteger r = new BigInteger("4deb95a0b35e7ed7edebe9bef5a0f93739e16b7ff27fe794d989d0c13159cfbc",16);
BigInteger s = new BigInteger("e1d0d30345c24cfeb33efde3deee5fbbda78ddc822b719d860cd0ba1fb6bd43b",16);
Gost3410ParametersGenerator pGen = new Gost3410ParametersGenerator();
pGen.Init(1024, 2, init_random);
Gost3410Parameters parameters = pGen.GenerateParameters();
if (!pValue.Equals(parameters.P) || !qValue.Equals(parameters.Q))
{
return new SimpleTestResult(false, Name + ": p or q wrong");
}
Gost3410KeyPairGenerator Gost3410KeyGen = new Gost3410KeyPairGenerator();
Gost3410KeyGenerationParameters genParam = new Gost3410KeyGenerationParameters(keyRandom, parameters);
Gost3410KeyGen.Init(genParam);
AsymmetricCipherKeyPair pair = Gost3410KeyGen.GenerateKeyPair();
ParametersWithRandom param = new ParametersWithRandom(pair.Private, random);
Gost3410Signer Gost3410 = new Gost3410Signer();
Gost3410.Init(true, param);
BigInteger[] sig = Gost3410.GenerateSignature(hashmessage);
if (!r.Equals(sig[0]))
{
return new SimpleTestResult(false, Name
+ ": r component wrong." + SimpleTest.NewLine
+ " expecting: " + r.ToString(16) + SimpleTest.NewLine
+ " got : " + sig[0].ToString(16));
}
if (!s.Equals(sig[1]))
{
return new SimpleTestResult(false, Name
+ ": s component wrong." + SimpleTest.NewLine
+ " expecting: " + s.ToString(16) + SimpleTest.NewLine
+ " got : " + sig[1].ToString(16));
}
Gost3410.Init(false, pair.Public);
if (Gost3410.VerifySignature(hashmessage, sig[0], sig[1]))
{
return new SimpleTestResult(true, Name + ": Okay");
}
else
{
return new SimpleTestResult(false, Name + ": verification fails");
}
}
public void TestToString()
{
string s = "12345667890987654321";
Assert.AreEqual(s, new BigInteger(s).ToString());
Assert.AreEqual(s, new BigInteger(s, 10).ToString(10));
Assert.AreEqual(s, new BigInteger(s, 16).ToString(16));
for (int i = 0; i < 100; ++i)
{
BigInteger n = new BigInteger(i, random);
Assert.AreEqual(n, new BigInteger(n.ToString(2), 2));
Assert.AreEqual(n, new BigInteger(n.ToString(10), 10));
Assert.AreEqual(n, new BigInteger(n.ToString(16), 16));
}
// Radix version
int[] radices = new int[] { 2, 8, 10, 16 };
int trials = 256;
BigInteger[] tests = new BigInteger[trials];
for (int i = 0; i < trials; ++i)
{
int len = random.Next(i + 1);
tests[i] = new BigInteger(len, random);
}
foreach (int radix in radices)
{
for (int i = 0; i < trials; ++i)
{
BigInteger n1 = tests[i];
string str = n1.ToString(radix);
BigInteger n2 = new BigInteger(str, radix);
Assert.AreEqual(n1, n2);
}
}
}
