Examples of java.security.KeyPair

java.security.KeyPair
This class is a simple holder for a key pair (a public key and a private key). It does not enforce any security, and, when initialized, should be treated like a PrivateKey. @see PublicKey @see PrivateKey @version 1.16 05/11/17 @author Benjamin Renaud


    public void testGenerateKeyPairSha256Random()
    {
        DHParameterSpec parameterSpec = DiffieHellmanSession.generateRandomParameter(512, 256);


        KeyPair keyPair = DiffieHellmanSession.generateKeyPair(parameterSpec);


        assertNotNull(keyPair);
    }

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        KeyStore ks = KeyStore.getInstance("JKS");
        ks.load(new FileInputStream(ksl), ksp.toCharArray());
        PrivateKey privateKey = (PrivateKey) ks.getKey(alias, alias.toCharArray()); // FIX, password
        PublicKey publicKey = ks.getCertificate(alias).getPublicKey();
        keyPair = new KeyPair(publicKey, privateKey);
      }


      return new SignedAspect(ext, keyPair);


    } catch (Exception e) {

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            if (isKeyStoreExists() && !isKeyStoreEmpty()) {
                Key key = keyStore.getKey(alias, password);
                if (key instanceof PrivateKey) {
                    Certificate cert = keyStore.getCertificate(alias);
                    PublicKey publicKey = cert.getPublicKey();
                    return new KeyPair(publicKey, (PrivateKey) key);
                }
            }
        } catch (Exception e) {
            log.error("Could not get key pair with alias " + alias + ".", e);
        }

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   public Response badSignature() throws Exception
   {
      DKIMSignature signature = new DKIMSignature();
      signature.setDomain("samplezone.org");
      signature.setSelector("test");
      KeyPair keyPair = KeyPairGenerator.getInstance("RSA").generateKeyPair();
      PrivateKey badKey = keyPair.getPrivate();
      signature.setPrivateKey(badKey);


      return Response.ok("hello world").header(DKIMSignature.DKIM_SIGNATURE, signature).build();
   }

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      serverRepository.setKeyStorePassword("password");
      serverRepository.setUseDns(true);
      serverRepository.setDnsUri("dns://localhost:6363");
      serverRepository.start();


      KeyPair keyPair = KeyPairGenerator.getInstance("RSA").generateKeyPair();
      badKey = keyPair.getPrivate();




      dispatcher.getDefaultContextObjects().put(KeyRepository.class, serverRepository);
      /*
      deployment.getProviderFactory().registerProvider(DigitalSigningInterceptor.class);

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        try {
            // Initialize the generator
            KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
            keyGen.initialize(bits, Utils.getRND());


            KeyPair pair = keyGen.generateKeyPair();


            // Get the keys and set
            setPrivateKey(new SshRsaPrivateKey(
                    (RSAPrivateKey) pair.getPrivate(),
                    (RSAPublicKey) pair.getPublic()));
        } catch (NoSuchAlgorithmException nsae) {
            prvKey = null;
            pubKey = null;
        }
    }

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        try {
            // Initialize the generator
            KeyPairGenerator keyGen = KeyPairGenerator.getInstance("DSA");
            keyGen.initialize(bits, Utils.getRND());


            KeyPair pair = keyGen.generateKeyPair();


            // Get the keys
            DSAPrivateKey prvKey = (DSAPrivateKey) pair.getPrivate();
            DSAPublicKey pubKey = (DSAPublicKey) pair.getPublic();


            // Set the private key (the public is automatically generated)
            setPrivateKey(new SshDssPrivateKey(prvKey));
        } catch (NoSuchAlgorithmException nsae) {
        }

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      repository.start();


      PrivateKey privateKey = repository.getKeyStore().getPrivateKey("test._domainKey.samplezone.org");
      if (privateKey == null) throw new Exception("Private Key is null!!!");
      PublicKey publicKey = repository.getKeyStore().getPublicKey("test._domainKey.samplezone.org");
      keys = new KeyPair(publicKey, privateKey);


      KeyPair keyPair = KeyPairGenerator.getInstance("RSA").generateKeyPair();
      badKey = keyPair.getPrivate();




      dispatcher.getDefaultContextObjects().put(KeyRepository.class, repository);
      /*
      deployment.getProviderFactory().registerProvider(DigitalSigningInterceptor.class);

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   @Test
   public void testManualFail() throws Exception
   {
      KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA");
      kpg.initialize(1024);
      KeyPair keyPair = kpg.genKeyPair();


      Verifier verifier = new Verifier();
      Verification verification = verifier.addNew();
      verification.setKey(keyPair.getPublic());


      ClientRequest request = new ClientRequest(TestPortProvider.generateURL("/signed/manual"));
      ClientResponse<String> response = request.get(String.class);
      response.getAttributes().put(Verifier.class.getName(), verifier);
      System.out.println(response.getHeaders().getFirst(DKIMSignature.DKIM_SIGNATURE));

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    }


      } else if(args[0].equals("--gen-key") && args.length==3) {
    CryptoLib cl = new CryptoLib();


    KeyPair kp = cl.genKeyPair();


    FileWriter privFile = new FileWriter(args[1]);
    privFile.write(Base64Order.standardCoder.encode(
      cl.getBytesOfPrivateKey(kp.getPrivate())));
    privFile.close();


    FileWriter pubFile = new FileWriter(args[2]);
    pubFile.write(Base64Order.standardCoder.encode(
      cl.getBytesOfPublicKey(kp.getPublic())));
    pubFile.close();
      }


  } catch (FileNotFoundException e) {
      System.out.println("File not found: " + e.getMessage());

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