Package java.security.interfaces

Examples of java.security.interfaces.RSAPrivateKey

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  {
    RSAEncrypt = Cipher.getInstance("RSA");
    RSADecrypt = Cipher.getInstance("RSA");
    KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA");
    KeyPair kp = kpg.generateKeyPair();
    RSAPrivateKey privateRSA = (RSAPrivateKey) kp.getPrivate();
    RSAPublicKey publicRSA = (RSAPublicKey) kp.getPublic();
    byte[] pub = publicRSA.getModulus().toByteArray();
    System.arraycopy(pub, 1, RSAPublicKey, 0, 128);
    RSAEncrypt.init(Cipher.ENCRYPT_MODE, publicRSA);
    RSADecrypt.init(Cipher.DECRYPT_MODE, privateRSA);
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    keyGen.initialize(512);

    KeyPair keyPair = keyGen.generateKeyPair();

    RSAPublicKey publicKey = (RSAPublicKey)keyPair.getPublic();
    RSAPrivateKey privateKey = (RSAPrivateKey)keyPair.getPrivate();

    RSAKey rsaJWK = new RSAKey.Builder(publicKey).privateKey(privateKey).build();

    try {
      claimsSet.setSubjectJWK(rsaJWK);
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    KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA");
    kpg.initialize(2048);

    KeyPair kp = kpg.genKeyPair();
    RSAPublicKey publicKey = (RSAPublicKey)kp.getPublic();
    RSAPrivateKey privateKey = (RSAPrivateKey)kp.getPrivate();

    // Need BouncyCastle for PSS
    Security.addProvider(BouncyCastleProviderSingleton.getInstance());

    RSASSASigner signer = new RSASSASigner(privateKey);
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    KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA");
    kpg.initialize(2048);

    KeyPair kp = kpg.genKeyPair();
    RSAPublicKey publicKey = (RSAPublicKey)kp.getPublic();
    RSAPrivateKey privateKey = (RSAPrivateKey)kp.getPrivate();

    // Need BouncyCastle for PSS
    Security.addProvider(BouncyCastleProviderSingleton.getInstance());

    RSASSASigner signer = new RSASSASigner(privateKey);
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    KeyPairGenerator keyGenerator = KeyPairGenerator.getInstance("RSA");
    keyGenerator.initialize(1024);

    KeyPair kp = keyGenerator.genKeyPair();
    RSAPublicKey publicKey = (RSAPublicKey)kp.getPublic();
    RSAPrivateKey privateKey = (RSAPrivateKey)kp.getPrivate();

    // Create RSA-signer with the private key
    JWSSigner signer = new RSASSASigner(privateKey);

    // Prepare JWS object with simple string as payload
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    KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
    keyGen.initialize(512);
    KeyPair keyPair = keyGen.genKeyPair();
    RSAPublicKey rsaPublicKey = (RSAPublicKey)keyPair.getPublic();
    RSAPrivateKey rsaPrivateKey = (RSAPrivateKey)keyPair.getPrivate();

    // Create signer from raw Java RSA key
    JWSObject jwsObject1 = new JWSObject(new JWSHeader(JWSAlgorithm.RS256), new Payload("test123"));
    JWSSigner signer = new RSASSASigner(rsaPrivateKey);
    jwsObject1.sign(signer);
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            throw new IllegalStateException(nsae);
        }

        EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(decodedPrivKey);
       
        RSAPrivateKey rsaPrivKey;

        try {
            rsaPrivKey = (RSAPrivateKey) keyf.generatePrivate(keySpec);
        }
        catch (InvalidKeySpecException ikse) {
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    KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA");
    kpg.initialize(2048);

    KeyPair kp = kpg.genKeyPair();
    RSAPublicKey publicKey = (RSAPublicKey)kp.getPublic();
    RSAPrivateKey privateKey = (RSAPrivateKey)kp.getPrivate();

    JWTClaimsSet claimsSet = new JWTClaimsSet();
    claimsSet.setSubject("alice");
    claimsSet.setIssueTime(new Date(123000l));
    claimsSet.setIssuer("https://c2id.com");
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    KeyPairGenerator keyGen = KeyPairGenerator.getInstance("RSA");
    keyGen.initialize(512);
    KeyPair keyPair = keyGen.genKeyPair();
    RSAPublicKey publicKey = (RSAPublicKey)keyPair.getPublic();
    RSAPrivateKey privateKey = (RSAPrivateKey)keyPair.getPrivate();

    RSAKey key = new RSAKey.Builder(publicKey).
      privateKey(privateKey).
      keyUse(null).
      keyOperations(ops).
      algorithm(JWSAlgorithm.RS256).
      keyID("1").
      x509CertURL(x5u).
      x509CertThumbprint(x5t).
      x509CertChain(x5c).
      build();

    // Test getters
    assertNull(key.getKeyUse());
    assertTrue(key.getKeyOperations().contains(KeyOperation.SIGN));
    assertTrue(key.getKeyOperations().contains(KeyOperation.VERIFY));
    assertEquals(2, key.getKeyOperations().size());
    assertEquals(JWSAlgorithm.RS256, key.getAlgorithm());
    assertEquals("1", key.getKeyID());
    assertEquals(x5u.toString(), key.getX509CertURL().toString());
    assertEquals(x5t.toString(), key.getX509CertThumbprint().toString());
    assertEquals(x5c.size(), key.getX509CertChain().size());

    assertTrue(publicKey.getModulus().equals(key.getModulus().decodeToBigInteger()));
    assertTrue(publicKey.getPublicExponent().equals(key.getPublicExponent().decodeToBigInteger()));

    assertTrue(privateKey.getPrivateExponent().equals(key.getPrivateExponent().decodeToBigInteger()));

    assertTrue(key.getOtherPrimes().isEmpty());

    assertTrue(key.isPrivate());


    String jwkString = key.toJSONObject().toString();

    key = RSAKey.parse(jwkString);

    // Test getters
    assertNull(key.getKeyUse());
    assertTrue(key.getKeyOperations().contains(KeyOperation.SIGN));
    assertTrue(key.getKeyOperations().contains(KeyOperation.VERIFY));
    assertEquals(2, key.getKeyOperations().size());
    assertEquals(JWSAlgorithm.RS256, key.getAlgorithm());
    assertEquals("1", key.getKeyID());
    assertEquals(x5u.toString(), key.getX509CertURL().toString());
    assertEquals(x5t.toString(), key.getX509CertThumbprint().toString());
    assertEquals(x5c.size(), key.getX509CertChain().size());

    assertTrue(publicKey.getModulus().equals(key.getModulus().decodeToBigInteger()));
    assertTrue(publicKey.getPublicExponent().equals(key.getPublicExponent().decodeToBigInteger()));

    assertTrue(privateKey.getPrivateExponent().equals(key.getPrivateExponent().decodeToBigInteger()));

    assertTrue(key.getOtherPrimes().isEmpty());

    assertTrue(key.isPrivate());
  }
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                      null,
                      KeyUse.SIGNATURE, null, JWSAlgorithm.RS256, "1",
                      null, null, null);

    // Private key export with CRT (2nd form)
    RSAPrivateKey privKey = key.toRSAPrivateKey();
    assertEquals(new Base64URL(n).decodeToBigInteger(), privKey.getModulus());
    assertEquals(new Base64URL(d).decodeToBigInteger(), privKey.getPrivateExponent());

    assertTrue(privKey instanceof RSAPrivateCrtKey);
    RSAPrivateCrtKey privCrtKey = (RSAPrivateCrtKey)privKey;
    assertEquals(new Base64URL(e).decodeToBigInteger(), privCrtKey.getPublicExponent());
    assertEquals(new Base64URL(p).decodeToBigInteger(), privCrtKey.getPrimeP());
    assertEquals(new Base64URL(q).decodeToBigInteger(), privCrtKey.getPrimeQ());
    assertEquals(new Base64URL(dp).decodeToBigInteger(), privCrtKey.getPrimeExponentP());
    assertEquals(new Base64URL(dq).decodeToBigInteger(), privCrtKey.getPrimeExponentQ());
    assertEquals(new Base64URL(qi).decodeToBigInteger(), privCrtKey.getCrtCoefficient());


    // Key pair export
    KeyPair pair = key.toKeyPair();

    RSAPublicKey pubKey = (RSAPublicKey)pair.getPublic();
    assertEquals(new Base64URL(n).decodeToBigInteger(), pubKey.getModulus());
    assertEquals(new Base64URL(e).decodeToBigInteger(), pubKey.getPublicExponent());
    assertEquals("RSA", pubKey.getAlgorithm());

    privKey = (RSAPrivateKey)pair.getPrivate();
    assertEquals(new Base64URL(n).decodeToBigInteger(), privKey.getModulus());
    assertEquals(new Base64URL(d).decodeToBigInteger(), privKey.getPrivateExponent());

    assertTrue(privKey instanceof RSAPrivateCrtKey);
    privCrtKey = (RSAPrivateCrtKey)privKey;
    assertEquals(new Base64URL(e).decodeToBigInteger(), privCrtKey.getPublicExponent());
    assertEquals(new Base64URL(p).decodeToBigInteger(), privCrtKey.getPrimeP());
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