public RsaBlindingParameters(
RsaKeyParameters publicKey,
BigInteger blindingFactor)
{
if (publicKey.IsPrivate)
throw new ArgumentException("RSA parameters should be for a public key");
this.publicKey = publicKey;
this.blindingFactor = blindingFactor;
}
public DHParameters(
BigInteger p,
BigInteger g,
BigInteger q)
: this(p, g, q, 0)
{
}
public DsaParameters(
BigInteger p,
BigInteger q,
BigInteger g)
: this(p, q, g, null)
{
}
public ECDomainParameters(
ECCurve curve,
ECPoint g,
BigInteger n)
: this(curve, g, n, BigInteger.One)
{
}
public IssuerAndSerialNumber(
X509Name name,
BigInteger certSerialNumber)
{
this.name = name;
this.certSerialNumber = new DerInteger(certSerialNumber);
}
public X9ECParameters(
ECCurve curve,
ECPoint g,
BigInteger n)
: this(curve, g, n, BigInteger.One, null)
{
}
public RsaPrivateCrtKeyParameters(
BigInteger modulus,
BigInteger publicExponent,
BigInteger privateExponent,
BigInteger p,
BigInteger q,
BigInteger dP,
BigInteger dQ,
BigInteger qInv)
: base(true, modulus, privateExponent)
{
ValidateValue(publicExponent, "publicExponent", "exponent");
ValidateValue(p, "p", "P value");
ValidateValue(q, "q", "Q value");
ValidateValue(dP, "dP", "DP value");
ValidateValue(dQ, "dQ", "DQ value");
ValidateValue(qInv, "qInv", "InverseQ value");
this.e = publicExponent;
this.p = p;
this.q = q;
this.dP = dP;
this.dQ = dQ;
this.qInv = qInv;
}
/**
* @param privateKey
*/
public NaccacheSternKeyParameters(bool privateKey, BigInteger g, BigInteger n, int lowerSigmaBound)
: base(privateKey)
{
this.g = g;
this.n = n;
this.lowerSigmaBound = lowerSigmaBound;
}
public ElGamalParameter(
BigInteger p,
BigInteger g)
{
this.p = new DerInteger(p);
this.g = new DerInteger(g);
}
/**
* Return a random BigInteger not less than 'min' and not greater than 'max'
*
* @param min the least value that may be generated
* @param max the greatest value that may be generated
* @param random the source of randomness
* @return a random BigInteger value in the range [min,max]
*/
public static BigInteger CreateRandomInRange(
BigInteger min,
BigInteger max,
// TODO Should have been just Random class
SecureRandom random)
{
int cmp = min.CompareTo(max);
if (cmp >= 0)
{
if (cmp > 0)
throw new ArgumentException("'min' may not be greater than 'max'");
return min;
}
if (min.BitLength > max.BitLength / 2)
{
return CreateRandomInRange(BigInteger.Zero, max.Subtract(min), random).Add(min);
}
for (int i = 0; i < MaxIterations; ++i)
{
BigInteger x = new BigInteger(max.BitLength, random);
if (x.CompareTo(min) >= 0 && x.CompareTo(max) <= 0)
{
return x;
}
}
// fall back to a faster (restricted) method
return new BigInteger(max.Subtract(min).BitLength - 1, random).Add(min);
}
public DHPrivateKeyParameters(
BigInteger x,
DHParameters parameters)
: base(true, parameters)
{
this.x = x;
}
public Gost3410Parameters(
BigInteger p,
BigInteger q,
BigInteger a)
: this(p, q, a, null)
{
}
public DHParameters(
BigInteger p,
BigInteger g,
BigInteger q,
int l)
: this(p, g, q, GetDefaultMParam(l), l, null, null)
{
}
public DerInteger(
BigInteger value)
{
if (value == null)
throw new ArgumentNullException("value");
bytes = value.ToByteArray();
}
public ECDomainParameters(
ECCurve curve,
ECPoint g,
BigInteger n,
BigInteger h)
: this(curve, g, n, h, null)
{
}
public DHPrivateKeyParameters(
BigInteger x,
DHParameters parameters,
DerObjectIdentifier algorithmOid)
: base(true, parameters, algorithmOid)
{
this.x = x;
}
public DHParameters(
BigInteger p,
BigInteger g,
BigInteger q,
BigInteger j,
DHValidationParameters validation)
: this(p, g, q, DefaultMinimumLength, 0, j, validation)
{
}
public DHParameters(
BigInteger p,
BigInteger g,
BigInteger q,
int m,
int l)
: this(p, g, q, m, l, null, null)
{
}
public MacData(
DigestInfo digInfo,
byte[] salt,
int iterationCount)
{
this.digInfo = digInfo;
this.salt = (byte[]) salt.Clone();
this.iterationCount = BigInteger.ValueOf(iterationCount);
}
public DsaParameter(
BigInteger p,
BigInteger q,
BigInteger g)
{
this.p = new DerInteger(p);
this.q = new DerInteger(q);
this.g = new DerInteger(g);
}
public RsaKeyGenerationParameters(
BigInteger publicExponent,
SecureRandom random,
int strength,
int certainty)
: base(random, strength)
{
this.publicExponent = publicExponent;
this.certainty = certainty;
}
/**
* calculate our initial message.
*/
public BigInteger CalculateMessage()
{
DHKeyPairGenerator dhGen = new DHKeyPairGenerator();
dhGen.Init(new DHKeyGenerationParameters(random, dhParams));
AsymmetricCipherKeyPair dhPair = dhGen.GenerateKeyPair();
this.privateValue = ((DHPrivateKeyParameters)dhPair.Private).X;
return ((DHPublicKeyParameters)dhPair.Public).Y;
}
private RsaPublicKeyStructure(
Asn1Sequence seq)
{
if (seq.Count != 2)
throw new ArgumentException("Bad sequence size: " + seq.Count);
// Note: we are accepting technically incorrect (i.e. negative) values here
modulus = DerInteger.GetInstance(seq[0]).PositiveValue;
publicExponent = DerInteger.GetInstance(seq[1]).PositiveValue;
}
public Gost3410PublicKeyParameters(
BigInteger y,
DerObjectIdentifier publicKeyParamSet)
: base(false, publicKeyParamSet)
{
if (y.SignValue < 1 || y.CompareTo(Parameters.P) >= 0)
throw new ArgumentException("Invalid y for GOST3410 public key", "y");
this.y = y;
}
public ECPrivateKeyParameters(
BigInteger d,
DerObjectIdentifier publicKeyParamSet)
: base("ECGOST3410", true, publicKeyParamSet)
{
if (d == null)
throw new ArgumentNullException("d");
this.d = d;
}
public ElGamalPublicKeyParameters(
BigInteger y,
ElGamalParameters parameters)
: base(false, parameters)
{
if (y == null)
throw new ArgumentNullException("y");
this.y = y;
}
public DsaPrivateKeyParameters(
BigInteger x,
DsaParameters parameters)
: base(true, parameters)
{
if (x == null)
throw new ArgumentNullException("x");
this.x = x;
}
public ECPrivateKeyStructure(
BigInteger key)
{
if (key == null)
throw new ArgumentNullException("key");
this.seq = new DerSequence(
new DerInteger(1),
new DerOctetString(key.ToByteArrayUnsigned()));
}
public Gost3410PrivateKeyParameters(
BigInteger x,
DerObjectIdentifier publicKeyParamSet)
: base(true, publicKeyParamSet)
{
if (x.SignValue < 1 || x.BitLength > 256 || x.CompareTo(Parameters.Q) >= 0)
throw new ArgumentException("Invalid x for GOST3410 private key", "x");
this.x = x;
}
public ECPrivateKeyParameters(
string algorithm,
BigInteger d,
DerObjectIdentifier publicKeyParamSet)
: base(algorithm, true, publicKeyParamSet)
{
if (d == null)
throw new ArgumentNullException("d");
this.d = d;
}
