private void ecGOST3410Test()
{
IBigInteger r = new BigInteger("29700980915817952874371204983938256990422752107994319651632687982059210933395");
IBigInteger s = new BigInteger("46959264877825372965922731380059061821746083849389763294914877353246631700866");
byte[] kData = new BigInteger("53854137677348463731403841147996619241504003434302020712960838528893196233395").ToByteArrayUnsigned();
SecureRandom k = FixedSecureRandom.From(kData);
IBigInteger mod_p = new BigInteger("57896044618658097711785492504343953926634992332820282019728792003956564821041"); //p
ECCurve curve = new FPCurve(
mod_p, // p
new BigInteger("7"), // a
new BigInteger("43308876546767276905765904595650931995942111794451039583252968842033849580414")); // b
ECDomainParameters spec = new ECDomainParameters(
curve,
curve.CreatePoint(
new BigInteger("2"),
new BigInteger("4018974056539037503335449422937059775635739389905545080690979365213431566280"),
false),
new BigInteger("57896044618658097711785492504343953927082934583725450622380973592137631069619")); // q
ECPrivateKeyParameters sKey = new ECPrivateKeyParameters(
"ECGOST3410",
new BigInteger("55441196065363246126355624130324183196576709222340016572108097750006097525544"), // d
spec);
ECPublicKeyParameters vKey = new ECPublicKeyParameters(
"ECGOST3410",
curve.CreatePoint(
new BigInteger("57520216126176808443631405023338071176630104906313632182896741342206604859403"),
new BigInteger("17614944419213781543809391949654080031942662045363639260709847859438286763994"),
false),
spec);
ISigner sgr = SignerUtilities.GetSigner("ECGOST3410");
sgr.Init(true, new ParametersWithRandom(sKey, k));
byte[] message = new byte[] { (byte)'a', (byte)'b', (byte)'c' };
sgr.BlockUpdate(message, 0, message.Length);
byte[] sigBytes = sgr.GenerateSignature();
sgr.Init(false, vKey);
sgr.BlockUpdate(message, 0, message.Length);
if (!sgr.VerifySignature(sigBytes))
{
Fail("ECGOST3410 verification failed");
}
IBigInteger[] sig = decode(sigBytes);
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]);
}
}
static ECGost3410NamedCurves()
{
IBigInteger mod_p = new BigInteger("115792089237316195423570985008687907853269984665640564039457584007913129639319");
IBigInteger mod_q = new BigInteger("115792089237316195423570985008687907853073762908499243225378155805079068850323");
FPCurve curve = new FPCurve(
mod_p, // p
new BigInteger("115792089237316195423570985008687907853269984665640564039457584007913129639316"), // a
new BigInteger("166")); // b
ECDomainParameters ecParams = new ECDomainParameters(
curve,
curve.CreatePoint(
BigInteger.One, // x
new BigInteger("64033881142927202683649881450433473985931760268884941288852745803908878638612"), // y
false),
mod_q);
parameters[CryptoProObjectIdentifiers.GostR3410x2001CryptoProA] = ecParams;
mod_p = new BigInteger("115792089237316195423570985008687907853269984665640564039457584007913129639319");
mod_q = new BigInteger("115792089237316195423570985008687907853073762908499243225378155805079068850323");
curve = new FPCurve(
mod_p, // p
new BigInteger("115792089237316195423570985008687907853269984665640564039457584007913129639316"),
new BigInteger("166"));
ecParams = new ECDomainParameters(
curve,
curve.CreatePoint(
BigInteger.One, // x
new BigInteger("64033881142927202683649881450433473985931760268884941288852745803908878638612"), // y
false),
mod_q);
parameters[CryptoProObjectIdentifiers.GostR3410x2001CryptoProXchA] = ecParams;
mod_p = new BigInteger("57896044618658097711785492504343953926634992332820282019728792003956564823193"); //p
mod_q = new BigInteger("57896044618658097711785492504343953927102133160255826820068844496087732066703"); //q
curve = new FPCurve(
mod_p, // p
new BigInteger("57896044618658097711785492504343953926634992332820282019728792003956564823190"), // a
new BigInteger("28091019353058090096996979000309560759124368558014865957655842872397301267595")); // b
ecParams = new ECDomainParameters(
curve,
curve.CreatePoint(
BigInteger.One, // x
new BigInteger("28792665814854611296992347458380284135028636778229113005756334730996303888124"), // y
false),
mod_q); // q
parameters[CryptoProObjectIdentifiers.GostR3410x2001CryptoProB] = ecParams;
mod_p = new BigInteger("70390085352083305199547718019018437841079516630045180471284346843705633502619");
mod_q = new BigInteger("70390085352083305199547718019018437840920882647164081035322601458352298396601");
curve = new FPCurve(
mod_p, // p
new BigInteger("70390085352083305199547718019018437841079516630045180471284346843705633502616"),
new BigInteger("32858"));
ecParams = new ECDomainParameters(
curve,
curve.CreatePoint(
BigInteger.Zero, // x
new BigInteger("29818893917731240733471273240314769927240550812383695689146495261604565990247"), // y
false),
mod_q);
parameters[CryptoProObjectIdentifiers.GostR3410x2001CryptoProXchB] = ecParams;
mod_p = new BigInteger("70390085352083305199547718019018437841079516630045180471284346843705633502619"); //p
mod_q = new BigInteger("70390085352083305199547718019018437840920882647164081035322601458352298396601"); //q
curve = new FPCurve(
mod_p, // p
new BigInteger("70390085352083305199547718019018437841079516630045180471284346843705633502616"), // a
new BigInteger("32858")); // b
ecParams = new ECDomainParameters(
curve,
curve.CreatePoint(
BigInteger.Zero, // x
new BigInteger("29818893917731240733471273240314769927240550812383695689146495261604565990247"), // y
false),
mod_q); // q
parameters[CryptoProObjectIdentifiers.GostR3410x2001CryptoProC] = ecParams;
objIds["GostR3410-2001-CryptoPro-A"] = CryptoProObjectIdentifiers.GostR3410x2001CryptoProA;
objIds["GostR3410-2001-CryptoPro-B"] = CryptoProObjectIdentifiers.GostR3410x2001CryptoProB;
objIds["GostR3410-2001-CryptoPro-C"] = CryptoProObjectIdentifiers.GostR3410x2001CryptoProC;
objIds["GostR3410-2001-CryptoPro-XchA"] = CryptoProObjectIdentifiers.GostR3410x2001CryptoProXchA;
objIds["GostR3410-2001-CryptoPro-XchB"] = CryptoProObjectIdentifiers.GostR3410x2001CryptoProXchB;
names[CryptoProObjectIdentifiers.GostR3410x2001CryptoProA] = "GostR3410-2001-CryptoPro-A";
names[CryptoProObjectIdentifiers.GostR3410x2001CryptoProB] = "GostR3410-2001-CryptoPro-B";
names[CryptoProObjectIdentifiers.GostR3410x2001CryptoProC] = "GostR3410-2001-CryptoPro-C";
names[CryptoProObjectIdentifiers.GostR3410x2001CryptoProXchA] = "GostR3410-2001-CryptoPro-XchA";
names[CryptoProObjectIdentifiers.GostR3410x2001CryptoProXchB] = "GostR3410-2001-CryptoPro-XchB";
}
private void generationTest()
{
byte[] data = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
ISigner s = SignerUtilities.GetSigner("GOST3410");
IAsymmetricCipherKeyPairGenerator g = GeneratorUtilities.GetKeyPairGenerator("GOST3410");
g.Init(
new Gost3410KeyGenerationParameters(
new SecureRandom(),
CryptoProObjectIdentifiers.GostR3410x94CryptoProA));
IAsymmetricCipherKeyPair p = g.GenerateKeyPair();
IAsymmetricKeyParameter sKey = p.Private;
IAsymmetricKeyParameter vKey = p.Public;
s.Init(true, sKey);
s.BlockUpdate(data, 0, data.Length);
byte[] sigBytes = s.GenerateSignature();
s = SignerUtilities.GetSigner("GOST3410");
s.Init(false, vKey);
s.BlockUpdate(data, 0, data.Length);
if (!s.VerifySignature(sigBytes))
{
Fail("GOST3410 verification failed");
}
//
// default initialisation test
//
s = SignerUtilities.GetSigner("GOST3410");
g = GeneratorUtilities.GetKeyPairGenerator("GOST3410");
// TODO This is supposed to be a 'default initialisation' test, but don't have a factory
// These values are defaults from JCE provider
g.Init(
new Gost3410KeyGenerationParameters(
new SecureRandom(),
CryptoProObjectIdentifiers.GostR3410x94CryptoProA));
p = g.GenerateKeyPair();
sKey = p.Private;
vKey = p.Public;
s.Init(true, sKey);
s.BlockUpdate(data, 0, data.Length);
sigBytes = s.GenerateSignature();
s = SignerUtilities.GetSigner("GOST3410");
s.Init(false, vKey);
s.BlockUpdate(data, 0, data.Length);
if (!s.VerifySignature(sigBytes))
{
Fail("GOST3410 verification failed");
}
//
// encoded test
//
//KeyFactory f = KeyFactory.getInstance("GOST3410");
//X509EncodedKeySpec x509s = new X509EncodedKeySpec(vKey.GetEncoded());
//Gost3410PublicKeyParameters k1 = (Gost3410PublicKeyParameters)f.generatePublic(x509s);
byte[] vKeyEnc = SubjectPublicKeyInfoFactory.CreateSubjectPublicKeyInfo(vKey).GetDerEncoded();
Gost3410PublicKeyParameters k1 = (Gost3410PublicKeyParameters)
PublicKeyFactory.CreateKey(vKeyEnc);
if (!k1.Y.Equals(((Gost3410PublicKeyParameters)vKey).Y))
{
Fail("public number not decoded properly");
}
//PKCS8EncodedKeySpec pkcs8 = new PKCS8EncodedKeySpec(sKey.GetEncoded());
//Gost3410PrivateKeyParameters k2 = (Gost3410PrivateKeyParameters)f.generatePrivate(pkcs8);
byte[] sKeyEnc = PrivateKeyInfoFactory.CreatePrivateKeyInfo(sKey).GetDerEncoded();
Gost3410PrivateKeyParameters k2 = (Gost3410PrivateKeyParameters)
PrivateKeyFactory.CreateKey(sKeyEnc);
if (!k2.X.Equals(((Gost3410PrivateKeyParameters)sKey).X))
{
Fail("private number not decoded properly");
}
//
// ECGOST3410 generation test
//
s = SignerUtilities.GetSigner("ECGOST3410");
g = GeneratorUtilities.GetKeyPairGenerator("ECGOST3410");
IBigInteger mod_p = new BigInteger("57896044618658097711785492504343953926634992332820282019728792003956564821041"); //p
ECCurve curve = new FPCurve(
mod_p, // p
new BigInteger("7"), // a
new BigInteger("43308876546767276905765904595650931995942111794451039583252968842033849580414")); // b
ECDomainParameters ecSpec = new ECDomainParameters(
curve,
curve.CreatePoint(
new BigInteger("2"),
new BigInteger("4018974056539037503335449422937059775635739389905545080690979365213431566280"),
false),
new BigInteger("57896044618658097711785492504343953927082934583725450622380973592137631069619")); // q
g.Init(new ECKeyGenerationParameters(ecSpec, new SecureRandom()));
p = g.GenerateKeyPair();
sKey = p.Private;
vKey = p.Public;
s.Init(true, sKey);
s.BlockUpdate(data, 0, data.Length);
sigBytes = s.GenerateSignature();
s = SignerUtilities.GetSigner("ECGOST3410");
s.Init(false, vKey);
s.BlockUpdate(data, 0, data.Length);
if (!s.VerifySignature(sigBytes))
{
Fail("ECGOST3410 verification failed");
}
}