Java DHParameters类代码示例

本文整理汇总了Java中org.bouncycastle.crypto.params.DHParameters类的典型用法代码示例。如果您正苦于以下问题：Java DHParameters类的具体用法？Java DHParameters怎么用？Java DHParameters使用的例子？那么, 这里精选的类代码示例或许可以为您提供帮助。

DHParameters类属于org.bouncycastle.crypto.params包，在下文中一共展示了DHParameters类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: processServerKeyExchange

import org.bouncycastle.crypto.params.DHParameters; //导入依赖的package包/类
public void processServerKeyExchange(InputStream input)
    throws IOException
{

    SecurityParameters securityParameters = context.getSecurityParameters();

    Signer signer = initVerifyer(tlsSigner, securityParameters);
    InputStream sigIn = new SignerInputStream(input, signer);

    BigInteger p = TlsDHUtils.readDHParameter(sigIn);
    BigInteger g = TlsDHUtils.readDHParameter(sigIn);
    BigInteger Ys = TlsDHUtils.readDHParameter(sigIn);

    byte[] sigBytes = TlsUtils.readOpaque16(input);
    if (!signer.verifySignature(sigBytes))
    {
        throw new TlsFatalAlert(AlertDescription.decrypt_error);
    }

    this.dhAgreeServerPublicKey = validateDHPublicKey(new DHPublicKeyParameters(Ys, new DHParameters(p, g)));
}

开发者ID:Appdome，项目名称:ipack，代码行数:22，代码来源:TlsDHEKeyExchange.java

示例2: TlsDHKeyExchange

import org.bouncycastle.crypto.params.DHParameters; //导入依赖的package包/类
public TlsDHKeyExchange(int keyExchange, Vector supportedSignatureAlgorithms, DHParameters dhParameters)
{

    super(keyExchange, supportedSignatureAlgorithms);

    switch (keyExchange)
    {
    case KeyExchangeAlgorithm.DH_RSA:
    case KeyExchangeAlgorithm.DH_DSS:
        this.tlsSigner = null;
        break;
    case KeyExchangeAlgorithm.DHE_RSA:
        this.tlsSigner = new TlsRSASigner();
        break;
    case KeyExchangeAlgorithm.DHE_DSS:
        this.tlsSigner = new TlsDSSSigner();
        break;
    default:
        throw new IllegalArgumentException("unsupported key exchange algorithm");
    }

    this.dhParameters = dhParameters;
}

开发者ID:Appdome，项目名称:ipack，代码行数:24，代码来源:TlsDHKeyExchange.java

示例3: processServerKeyExchange

import org.bouncycastle.crypto.params.DHParameters; //导入依赖的package包/类
public void processServerKeyExchange(InputStream input)
    throws IOException
{

    this.psk_identity_hint = TlsUtils.readOpaque16(input);

    if (this.keyExchange == KeyExchangeAlgorithm.DHE_PSK)
    {
        byte[] pBytes = TlsUtils.readOpaque16(input);
        byte[] gBytes = TlsUtils.readOpaque16(input);
        byte[] YsBytes = TlsUtils.readOpaque16(input);

        BigInteger p = new BigInteger(1, pBytes);
        BigInteger g = new BigInteger(1, gBytes);
        BigInteger Ys = new BigInteger(1, YsBytes);

        this.dhAgreeServerPublicKey = TlsDHUtils.validateDHPublicKey(new DHPublicKeyParameters(Ys,
            new DHParameters(p, g)));
    }
}

开发者ID:Appdome，项目名称:ipack，代码行数:21，代码来源:TlsPSKKeyExchange.java

示例4: validateDHPublicKey

import org.bouncycastle.crypto.params.DHParameters; //导入依赖的package包/类
public static DHPublicKeyParameters validateDHPublicKey(DHPublicKeyParameters key)
    throws IOException
{
    BigInteger Y = key.getY();
    DHParameters params = key.getParameters();
    BigInteger p = params.getP();
    BigInteger g = params.getG();

    if (!p.isProbablePrime(2))
    {
        throw new TlsFatalAlert(AlertDescription.illegal_parameter);
    }
    if (g.compareTo(TWO) < 0 || g.compareTo(p.subtract(TWO)) > 0)
    {
        throw new TlsFatalAlert(AlertDescription.illegal_parameter);
    }
    if (Y.compareTo(TWO) < 0 || Y.compareTo(p.subtract(ONE)) > 0)
    {
        throw new TlsFatalAlert(AlertDescription.illegal_parameter);
    }

    // TODO See RFC 2631 for more discussion of Diffie-Hellman validation

    return key;
}

开发者ID:Appdome，项目名称:ipack，代码行数:26，代码来源:TlsDHUtils.java

示例5: calculatePrivate

import org.bouncycastle.crypto.params.DHParameters; //导入依赖的package包/类
BigInteger calculatePrivate(DHParameters dhParams, SecureRandom random)
{
    BigInteger p = dhParams.getP();
    int limit = dhParams.getL();

    if (limit != 0)
    {
        return new BigInteger(limit, random).setBit(limit - 1);
    }

    BigInteger min = TWO;
    int m = dhParams.getM();
    if (m != 0)
    {
        min = ONE.shiftLeft(m - 1);
    }

    BigInteger max = p.subtract(TWO);
    BigInteger q = dhParams.getQ();
    if (q != null)
    {
        max = q.subtract(TWO);
    }

    return BigIntegers.createRandomInRange(min, max, random);
}

开发者ID:Appdome，项目名称:ipack，代码行数:27，代码来源:DHKeyGeneratorHelper.java

示例6: initialize

import org.bouncycastle.crypto.params.DHParameters; //导入依赖的package包/类
public void initialize(
    AlgorithmParameterSpec params,
    SecureRandom random)
    throws InvalidAlgorithmParameterException
{
    if (!(params instanceof DHParameterSpec))
    {
        throw new InvalidAlgorithmParameterException("parameter object not a DHParameterSpec");
    }
    DHParameterSpec dhParams = (DHParameterSpec)params;

    param = new DHKeyGenerationParameters(random, new DHParameters(dhParams.getP(), dhParams.getG(), null, dhParams.getL()));

    engine.init(param);
    initialised = true;
}

开发者ID:Appdome，项目名称:ipack，代码行数:17，代码来源:KeyPairGeneratorSpi.java

示例7: generateKeyPair

import org.bouncycastle.crypto.params.DHParameters; //导入依赖的package包/类
public AsymmetricCipherKeyPair generateKeyPair()
  {
      BigInteger      p, g, x, y;
      int             qLength = param.getStrength() - 1;
      DHParameters    dhParams = param.getParameters();

      p = dhParams.getP();
      g = dhParams.getG();
  
      //
      // calculate the private key
      //
x = new BigInteger(qLength, param.getRandom());

      //
      // calculate the public key.
      //
      y = g.modPow(x, p);

      return new AsymmetricCipherKeyPair(
              new DHPublicKeyParameters(y, dhParams),
              new DHPrivateKeyParameters(x, dhParams));
  }

开发者ID:thangbn，项目名称:Direct-File-Downloader，代码行数:24，代码来源:DHKeyPairGenerator.java

示例8: generateKeyPair

import org.bouncycastle.crypto.params.DHParameters; //导入依赖的package包/类
public AsymmetricCipherKeyPair generateKeyPair()
  {
      BigInteger      p, g, x, y;
      int             qLength = param.getStrength() - 1;
      DHParameters    dhParams = param.getParameters();

      p = dhParams.getP();
      g = dhParams.getG();
 
      //
      // calculate the private key
      //
x = new BigInteger(qLength, param.getRandom());

      //
      // calculate the public key.
      //
      y = g.modPow(x, p);

      return new AsymmetricCipherKeyPair(
              new DHPublicKeyParameters(y, dhParams),
              new DHPrivateKeyParameters(x, dhParams));
  }

开发者ID:thangbn，项目名称:Direct-File-Downloader，代码行数:24，代码来源:DHBasicKeyPairGenerator.java

示例9: TlsDHKeyExchange

import org.bouncycastle.crypto.params.DHParameters; //导入依赖的package包/类
public TlsDHKeyExchange(int keyExchange, Vector supportedSignatureAlgorithms, DHParameters dhParameters)
{
    super(keyExchange, supportedSignatureAlgorithms);

    switch (keyExchange)
    {
    case KeyExchangeAlgorithm.DH_RSA:
    case KeyExchangeAlgorithm.DH_DSS:
        this.tlsSigner = null;
        break;
    case KeyExchangeAlgorithm.DHE_RSA:
        this.tlsSigner = new TlsRSASigner();
        break;
    case KeyExchangeAlgorithm.DHE_DSS:
        this.tlsSigner = new TlsDSSSigner();
        break;
    default:
        throw new IllegalArgumentException("unsupported key exchange algorithm");
    }

    this.dhParameters = dhParameters;
}

开发者ID:ttt43ttt，项目名称:gwt-crypto，代码行数:23，代码来源:TlsDHKeyExchange.java

示例10: TlsPSKKeyExchange

import org.bouncycastle.crypto.params.DHParameters; //导入依赖的package包/类
public TlsPSKKeyExchange(int keyExchange, Vector supportedSignatureAlgorithms, TlsPSKIdentity pskIdentity,
    TlsPSKIdentityManager pskIdentityManager, DHParameters dhParameters, int[] namedCurves,
    short[] clientECPointFormats, short[] serverECPointFormats)
{
    super(keyExchange, supportedSignatureAlgorithms);

    switch (keyExchange)
    {
    case KeyExchangeAlgorithm.DHE_PSK:
    case KeyExchangeAlgorithm.ECDHE_PSK:
    case KeyExchangeAlgorithm.PSK:
    case KeyExchangeAlgorithm.RSA_PSK:
        break;
    default:
        throw new IllegalArgumentException("unsupported key exchange algorithm");
    }

    this.pskIdentity = pskIdentity;
    this.pskIdentityManager = pskIdentityManager;
    this.dhParameters = dhParameters;
    this.namedCurves = namedCurves;
    this.clientECPointFormats = clientECPointFormats;
    this.serverECPointFormats = serverECPointFormats;
}

开发者ID:ttt43ttt，项目名称:gwt-crypto，代码行数:25，代码来源:TlsPSKKeyExchange.java

示例11: getParametersForDHEGroup

import org.bouncycastle.crypto.params.DHParameters; //导入依赖的package包/类
public static DHParameters getParametersForDHEGroup(short dheGroup)
{
    switch (dheGroup)
    {
    case FiniteFieldDHEGroup.ffdhe2432:
        return draft_ffdhe2432;
    case FiniteFieldDHEGroup.ffdhe3072:
        return draft_ffdhe3072;
    case FiniteFieldDHEGroup.ffdhe4096:
        return draft_ffdhe4096;
    case FiniteFieldDHEGroup.ffdhe6144:
        return draft_ffdhe6144;
    case FiniteFieldDHEGroup.ffdhe8192:
        return draft_ffdhe8192;
    default:
        return null;
    }
}

开发者ID:ttt43ttt，项目名称:gwt-crypto，代码行数:19，代码来源:TlsDHUtils.java

示例12: validateDHParameters

import org.bouncycastle.crypto.params.DHParameters; //导入依赖的package包/类
public static DHParameters validateDHParameters(DHParameters params) throws IOException
{
    BigInteger p = params.getP();
    BigInteger g = params.getG();

    if (!p.isProbablePrime(2))
    {
        throw new TlsFatalAlert(AlertDescription.illegal_parameter);
    }
    if (g.compareTo(TWO) < 0 || g.compareTo(p.subtract(TWO)) > 0)
    {
        throw new TlsFatalAlert(AlertDescription.illegal_parameter);
    }

    return params;
}

开发者ID:ttt43ttt，项目名称:gwt-crypto，代码行数:17，代码来源:TlsDHUtils.java

示例13: testBounds

import org.bouncycastle.crypto.params.DHParameters; //导入依赖的package包/类
private void testBounds()
{
     BigInteger p1 = new BigInteger("00C8028E9151C6B51BCDB35C1F6B2527986A72D8546AE7A4BF41DC4289FF9837EE01592D36C324A0F066149B8B940C86C87D194206A39038AE3396F8E12435BB74449B70222D117B8A2BB77CB0D67A5D664DDE7B75E0FEC13CE0CAF258DAF3ADA0773F6FF0F2051D1859929AAA53B07809E496B582A89C3D7DA8B6E38305626621", 16);
     BigInteger g1 = new BigInteger("1F869713181464577FE4026B47102FA0D7675503A4FCDA810881FAEC3524E6DBAEA9B96561EF7F8BEA76466DF11C2F3EB1A90CC5851735BF860606481257EECE6418C0204E61004E85D7131CE54BCBC7AD67E53C79DCB715E7C8D083DCD85D728283EC8F96839B4C9FA7C0727C472BEB94E4613CAFA8D580119C0AF4BF8AF252", 16);
     int l1 = 1023;

     BigInteger p2 = new BigInteger("00B333C98720220CC3946F494E25231B3E19F9AD5F6B19F4E7ABF80D8826C491C3224D4F7415A14A7C11D1BE584405FED12C3554F103E56A72D986CA5E325BB9DE07AC37D1EAE5E5AC724D32EF638F0E4462D4C1FC7A45B9FD3A5DF5EC36A1FA4DAA3FBB66AA42B1B71DF416AB547E987513426C7BB8634F5F4D37705514FDC1E1", 16);
     BigInteger g2 = new BigInteger("2592F5A99FE46313650CCE66C94C15DBED9F4A45BD05C329986CF5D3E12139F0405A47C6385FEA27BFFEDC4CBABC5BB151F3BEE7CC3D51567F1E2B12A975AA9F48A70BDAAE7F5B87E70ADCF902490A3CBEFEDA41EBA8E12E02B56120B5FDEFBED07F5EAD3AE020DF3C8233216F8F0D35E13A7AE4DA5CBCC0D91EADBF20C281C6", 16);
     int l2 = 1024;

    DHKeyGenerationParameters   params1 = new DHKeyGenerationParameters(new SecureRandom(), new DHParameters(p1, g1, null, l1));
    DHKeyGenerationParameters   params2 = new DHKeyGenerationParameters(new SecureRandom(), new DHParameters(p2, g2, null, l2));

    DHBasicKeyPairGenerator     kpGen = new DHBasicKeyPairGenerator();

    kpGen.init(params1);
    kpGen.init(params2);
}

开发者ID:ttt43ttt，项目名称:gwt-crypto，代码行数:19，代码来源:DHTest.java

示例14: modp1024_160

import org.bouncycastle.crypto.params.DHParameters; //导入依赖的package包/类
public static DHParameters modp1024_160() {
	BigInteger p = new BigInteger(
			"B10B8F96A080E01DDE92DE5EAE5D54EC52C99FBCFB06A3C6"
					+ "9A6A9DCA52D23B616073E28675A23D189838EF1E2EE652C0"
					+ "13ECB4AEA906112324975C3CD49B83BFACCBDD7D90C4BD70"
					+ "98488E9C219A73724EFFD6FAE5644738FAA31A4FF55BCCC0"
					+ "A151AF5F0DC8B4BD45BF37DF365C1A65E68CFDA76D4DA708"
					+ "DF1FB2BC2E4A4371", 16);
	BigInteger g = new BigInteger(
			"A4D1CBD5C3FD34126765A442EFB99905F8104DD258AC507F"
					+ "D6406CFF14266D31266FEA1E5C41564B777E690F5504F213"
					+ "160217B4B01B886A5E91547F9E2749F4D7FBD7D3B9A92EE1"
					+ "909D0D2263F80A76A6A24C087A091F531DBF0A0169B6A28A"
					+ "D662A4D18E73AFA32D779D5918D08BC8858F4DCEF97C2A24"
					+ "855E6EEB22B3B2E5", 16);
	BigInteger q = new BigInteger(
			"F518AA8781A8DF278ABA4E7D64B7CB9D49462353", 16);
	return new DHParameters(p, g, q);
}

开发者ID:tsenger，项目名称:animamea，代码行数:20，代码来源:DHStandardizedDomainParameters.java

示例15: validateDHPublicKey

import org.bouncycastle.crypto.params.DHParameters; //导入依赖的package包/类
public static DHPublicKeyParameters validateDHPublicKey(DHPublicKeyParameters key) throws IOException
{
    BigInteger Y = key.getY();
    DHParameters params = key.getParameters();
    BigInteger p = params.getP();
    BigInteger g = params.getG();

    if (!p.isProbablePrime(2))
    {
        throw new TlsFatalAlert(AlertDescription.illegal_parameter);
    }
    if (g.compareTo(TWO) < 0 || g.compareTo(p.subtract(TWO)) > 0)
    {
        throw new TlsFatalAlert(AlertDescription.illegal_parameter);
    }
    if (Y.compareTo(TWO) < 0 || Y.compareTo(p.subtract(TWO)) > 0)
    {
        throw new TlsFatalAlert(AlertDescription.illegal_parameter);
    }

    // TODO See RFC 2631 for more discussion of Diffie-Hellman validation

    return key;
}

开发者ID:redfish64，项目名称:TinyTravelTracker，代码行数:25，代码来源:TlsDHUtils.java

注：本文中的org.bouncycastle.crypto.params.DHParameters类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。