Examples of java.security.interfaces.DSAKeyPairGenerator.initialize()

Class java.security.interfaces.DSAKeyPairGenerator

Examples of java.security.interfaces.DSAKeyPairGenerator.initialize()

java.security.interfaces.DSAKeyPairGenerator.initialize()
Initializes the key pair generator using the DSA family parameters (p,q and g) and an optional SecureRandom bit source. If a SecureRandom bit source is needed but not supplied, i.e. null, a default SecureRandom instance will be used. @param params the parameters to use to generate the keys. @param random the random bit source to use to generate key bits;can be null. @exception InvalidParameterException if the paramsvalue is invalid or null.


    DSAKeyPairGenerator dsakpg = (DSAKeyPairGenerator) kpg;
    msg = "initialize(DSAParams, SecureRandom) MUST succeed";
    try
      {
        dsakpg.initialize(
            new DSAParameterSpec(BigInteger.ONE, BigInteger.ONE, BigInteger.ONE),
            rnd);
        harness.check(true, msg);
      }
    catch (Exception x)

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      }


    msg = "initialize(null, SecureRandom) MUST throw InvalidParameterException";
    try
      {
        dsakpg.initialize(null, rnd);
        harness.fail(msg);
      }
    catch (InvalidParameterException x)
      {
        harness.check(true, msg);

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    }


    msg = "initialize(512, false, SecureRandom) MUST succeed";
    try
      {
        dsakpg.initialize(512, false, rnd);
        harness.check(true, msg);
      }
    catch (Exception x)
      {
        harness.debug(x);

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      }


    msg = "initialize(1024, false, SecureRandom) MUST succeed";
    try
      {
        dsakpg.initialize(512, false, rnd);
        harness.check(true, msg);
      }
    catch (Exception x)
      {
        harness.debug(x);

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