Package javax.crypto.spec

Examples of javax.crypto.spec.DHPrivateKeySpec

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    {
        if (spec.isAssignableFrom(DHPrivateKeySpec.class) && key instanceof DHPrivateKey)
        {
            DHPrivateKey k = (DHPrivateKey)key;

            return new DHPrivateKeySpec(k.getX(), k.getParams().getP(), k.getParams().getG());
        }
        else if (spec.isAssignableFrom(DHPublicKeySpec.class) && key instanceof DHPublicKey)
        {
            DHPublicKey k = (DHPublicKey)key;
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        DHParameterSpec dhParamSpec = this.getDHParameterSpec();

        // load the private key
        KeyFactory keyFactory = KeyFactory.getInstance("DH");
        BigInteger privateKeyInt = new BigInteger(privateKeyBytes);
        DHPrivateKeySpec dhPrivateSpec = new DHPrivateKeySpec(privateKeyInt, dhParamSpec.getP(), dhParamSpec.getG());
        PrivateKey privateKey = keyFactory.generatePrivate(dhPrivateSpec);

        return privateKey;
    }
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       }
       else if (spec.isAssignableFrom(DHPrivateKeySpec.class) && key instanceof DHPrivateKey)
       {
           DHPrivateKey k = (DHPrivateKey)key;
          
           return new DHPrivateKeySpec(k.getX(), k.getParams().getP(), k.getParams().getG());
       }
       else if (spec.isAssignableFrom(DHPublicKeySpec.class) && key instanceof DHPublicKey)
       {
           DHPublicKey k = (DHPublicKey)key;
          
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        DHParameterSpec dhParamSpec = this.getDHParameterSpec();

        // load the private key
        KeyFactory keyFactory = KeyFactory.getInstance("DH");
        BigInteger privateKeyInt = new BigInteger(privateKeyBytes);
        DHPrivateKeySpec dhPrivateSpec = new DHPrivateKeySpec(privateKeyInt, dhParamSpec.getP(), dhParamSpec.getG());
        PrivateKey privateKey = keyFactory.generatePrivate(dhPrivateSpec);

        return privateKey;
    }
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    }

    public void setPrivateKey(ByteBuf keyBuf) throws NoSuchProviderException, NoSuchAlgorithmException, InvalidKeySpecException {
        BigInteger x = BigIntegerUtils.fromBuf( keyBuf );

        DHPrivateKeySpec keySpec = new DHPrivateKeySpec(x, this.desc.getP(), this.desc.getG());

        KeyFactory keyFactory = KeyFactory.getInstance("DH", "BC");
        PrivateKey privateKey = keyFactory.generatePrivate(keySpec);

        if ( this.keys == null ) {
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       }
       else if (spec.isAssignableFrom(DHPrivateKeySpec.class) && key instanceof DHPrivateKey)
       {
           DHPrivateKey k = (DHPrivateKey)key;

           return new DHPrivateKeySpec(k.getX(), k.getParams().getP(), k.getParams().getG());
       }
       else if (spec.isAssignableFrom(DHPublicKeySpec.class) && key instanceof DHPublicKey)
       {
           DHPublicKey k = (DHPublicKey)key;
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    return null;
  }
 
  public static DHPrivateKey bytesToPrivateKey(DHParameterSpec parameterSpec, byte[] bytes){
    /* Set X (private key), P and G values. */
    KeySpec keySpec = new DHPrivateKeySpec(
      bytesToBigInteger(bytes),
      parameterSpec.getP(),
      parameterSpec.getG()
    );
   
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        DHParameterSpec dhParamSpec = this.getDHParameterSpec();

        // load the private key
        KeyFactory keyFactory = KeyFactory.getInstance("DH");
        BigInteger privateKeyInt = new BigInteger(privateKeyBytes);
        DHPrivateKeySpec dhPrivateSpec = new DHPrivateKeySpec(privateKeyInt, dhParamSpec.getP(), dhParamSpec.getG());
        PrivateKey privateKey = keyFactory.generatePrivate(dhPrivateSpec);

        return privateKey;
    }
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       }
       else if (spec.isAssignableFrom(DHPrivateKeySpec.class) && key instanceof DHPrivateKey)
       {
           DHPrivateKey k = (DHPrivateKey)key;
          
           return new DHPrivateKeySpec(k.getX(), k.getParams().getP(), k.getParams().getG());
       }
       else if (spec.isAssignableFrom(DHPublicKeySpec.class) && key instanceof DHPublicKey)
       {
           DHPublicKey k = (DHPublicKey)key;
          
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       }
       else if (spec.isAssignableFrom(DHPrivateKeySpec.class) && key instanceof DHPrivateKey)
       {
           DHPrivateKey k = (DHPrivateKey)key;

           return new DHPrivateKeySpec(k.getX(), k.getParams().getP(), k.getParams().getG());
       }
       else if (spec.isAssignableFrom(DHPublicKeySpec.class) && key instanceof DHPublicKey)
       {
           DHPublicKey k = (DHPublicKey)key;
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Related Classes of javax.crypto.spec.DHPrivateKeySpec

  • com.sun.crypto.provider.DHKeyFactory
  • io.apigee.trireme.core.modules.crypto.DHImpl
  • io.nodyn.crypto.dh.DiffieHellman
  • org.apache.geronimo.crypto.jce.provider.JDKKeyFactory
  • org.apache.geronimo.util.jce.provider.JDKKeyFactory
  • org.apache.harmony.crypto.tests.javax.crypto.spec.DHPrivateKeySpecTest
  • org.bouncycastle.jcajce.provider.asymmetric.dh.KeyFactorySpi
  • org.bouncycastle.jcajce.provider.asymmetric.elgamal.KeyFactorySpi
  • org.bouncycastle.jce.provider.JDKKeyFactory
  • org.bouncycastle2.jce.provider.JDKKeyFactory
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