Example usage for org.bouncycastle.jce.provider JCERSAPublicKey getModulus

List of usage examples for org.bouncycastle.jce.provider JCERSAPublicKey getModulus

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Introduction

In this page you can find the example usage for org.bouncycastle.jce.provider JCERSAPublicKey getModulus.

Prototype

public BigInteger getModulus()

Source Link

Document

return the modulus.

Usage

From source file:org.silvertunnel.netlib.layer.tor.util.Encryption.java

License:Open Source License

/**
 * makes RSA public key from PEM string/*from  w ww .  j a  va 2s . co  m*/
 * 
 * @param s    PEM string that contains the key
 * @return
 * @see JCERSAPublicKey
 */
public static RSAPublicKey extractPublicRSAKey(String s) {
    RSAPublicKey theKey;
    try {
        PEMReader reader = new PEMReader(new StringReader(s));
        Object o = reader.readObject();
        if (!(o instanceof JCERSAPublicKey)) {
            throw new IOException("Encryption.extractPublicRSAKey: no public key found in string '" + s + "'");
        }
        JCERSAPublicKey JCEKey = (JCERSAPublicKey) o;
        theKey = getRSAPublicKey(JCEKey.getModulus(), JCEKey.getPublicExponent());

    } catch (Exception e) {
        log.warning("Encryption.extractPublicRSAKey: Caught exception:" + e.getMessage());
        theKey = null;
    }

    return theKey;
}

From source file:org.silvertunnel.netlib.layer.tor.util.Encryption.java

License:Open Source License

/**
 * copy from one format to another//www  .  j  av a  2 s.  co  m
 */
public static RSAPublicKey getRSAPublicKey(JCERSAPublicKey jpub) {
    return getRSAPublicKey(jpub.getModulus(), jpub.getPublicExponent());
}

From source file:org.xdi.oxauth.ws.rs.FederationMetadataSignatureTest.java

License:MIT License

@Test
public void test() throws JSONException, NoSuchProviderException, NoSuchAlgorithmException, IOException,
        IllegalBlockSizeException, InvalidKeyException, InvalidKeySpecException, NoSuchPaddingException,
        BadPaddingException, InvalidJwtException {
    final JSONObject jsonHeader = JwtHeader.instance().setType(JwtType.JWS)
            .setAlgorithm(SignatureAlgorithm.RS512).toJsonObject();
    final JSONObject jsonPayload = new JSONObject(TEST_METADATA);

    final KeyPair keyPair = JwtUtil.generateRsaKey();
    final JCERSAPrivateCrtKey jcersaPrivateCrtKey = (JCERSAPrivateCrtKey) keyPair.getPrivate();
    final JCERSAPublicKey jcersaPublicKey = (JCERSAPublicKey) keyPair.getPublic();

    final RSAPrivateKey privateKey = new RSAPrivateKey(jcersaPrivateCrtKey.getModulus(),
            jcersaPrivateCrtKey.getPrivateExponent());
    final RSAPublicKey publicKey = new RSAPublicKey(jcersaPublicKey.getModulus(),
            jcersaPublicKey.getPublicExponent());

    String encodedString = JwtUtil.encodeJwt(jsonHeader, jsonPayload, SignatureAlgorithm.RS512, privateKey);

    System.out.println("Encoded string: " + encodedString);
    String[] parts = encodedString.split("\\.");

    if (parts.length == 3) {
        String encodedHeader = parts[0];
        String encodedPayload = parts[1];
        String encodedSignature = parts[2];

        String header = new String(JwtUtil.base64urldecode(encodedHeader), Util.UTF8_STRING_ENCODING);
        String payload = new String(JwtUtil.base64urldecode(encodedPayload), Util.UTF8_STRING_ENCODING);
        System.out.println("Header: " + header);
        System.out.println("Payload: " + payload);

        byte[] signature = JwtUtil.base64urldecode(encodedSignature);

        final String signingInput = encodedHeader + "." + encodedPayload;

        boolean signatureVerified = JwtUtil
                .verifySignatureRS512(signingInput.getBytes(Util.UTF8_STRING_ENCODING), signature, publicKey);
        assertTrue(signatureVerified, "Invalid signature");
    }/*from w  w  w . ja v a2  s .c  om*/
}

From source file:org.xdi.oxauth.ws.rs.TokenSignaturesHttpTest.java

License:MIT License

@Test
public void rs256() throws NoSuchProviderException, NoSuchAlgorithmException, SignatureException,
        InvalidKeyException, InvalidKeySpecException, IllegalBlockSizeException, IOException,
        NoSuchPaddingException, BadPaddingException {
    showTitle("rs256");

    // Generate RSA Key
    KeyPair keyPair = JwtUtil.generateRsaKey();
    JCERSAPrivateCrtKey jcersaPrivateCrtKey = (JCERSAPrivateCrtKey) keyPair.getPrivate();
    JCERSAPublicKey jcersaPublicKey = (JCERSAPublicKey) keyPair.getPublic();
    RSAPrivateKey privateKey = new RSAPrivateKey(jcersaPrivateCrtKey.getModulus(),
            jcersaPrivateCrtKey.getPrivateExponent());
    System.out.println("PRIVATE KEY");
    System.out.println("Modulus: " + privateKey.getModulus());
    System.out.println("Private Exponent: " + privateKey.getPrivateExponent());
    RSAPublicKey publicKey = new RSAPublicKey(jcersaPublicKey.getModulus(),
            jcersaPublicKey.getPublicExponent());
    System.out.println("PUBLIC KEY");
    System.out.println("Modulus: " + publicKey.getModulus());
    System.out.println("Public Exponent: " + publicKey.getPublicExponent());

    // Encode message
    String signingInput = "eyJhbGciOiJIUzI1NiJ9.eyJub25jZSI6ICI2Qm9HN1QwR0RUZ2wiLCAiaWRfdG9rZW4iOiB7Im1heF9hZ2UiOiA4NjQwMH0sICJzdGF0ZSI6ICJTVEFURTAiLCAicmVkaXJlY3RfdXJpIjogImh0dHBzOi8vbG9jYWxob3N0L2NhbGxiYWNrMSIsICJ1c2VyaW5mbyI6IHsiY2xhaW1zIjogeyJuYW1lIjogbnVsbH19LCAiY2xpZW50X2lkIjogIkAhMTExMSEwMDA4IUU2NTQuQjQ2MCIsICJzY29wZSI6IFsib3BlbmlkIl0sICJyZXNwb25zZV90eXBlIjogWyJjb2RlIl19";

    byte[] signature = JwtUtil.getSignatureRS256(signingInput.getBytes(), privateKey);
    String encodedSignature = JwtUtil.base64urlencode(signature);
    System.out.println("Encoded Signature: " + encodedSignature);

    // Verify signature
    boolean signatureVerified = JwtUtil.verifySignatureRS256(signingInput.getBytes(), signature, publicKey);
    assertTrue(signatureVerified, "Invalid signature");
}

From source file:org.xdi.oxauth.ws.rs.TokenSignaturesHttpTest.java

License:MIT License

@Test
public void rs384() throws NoSuchProviderException, NoSuchAlgorithmException, SignatureException,
        InvalidKeyException, InvalidKeySpecException, IllegalBlockSizeException, IOException,
        NoSuchPaddingException, BadPaddingException {
    showTitle("rs384");

    // Generate RSA Key
    KeyPair keyPair = JwtUtil.generateRsaKey();
    JCERSAPrivateCrtKey jcersaPrivateCrtKey = (JCERSAPrivateCrtKey) keyPair.getPrivate();
    JCERSAPublicKey jcersaPublicKey = (JCERSAPublicKey) keyPair.getPublic();
    RSAPrivateKey privateKey = new RSAPrivateKey(jcersaPrivateCrtKey.getModulus(),
            jcersaPrivateCrtKey.getPrivateExponent());
    System.out.println("PRIVATE KEY");
    System.out.println("Modulus: " + privateKey.getModulus());
    System.out.println("Private Exponent: " + privateKey.getPrivateExponent());
    RSAPublicKey publicKey = new RSAPublicKey(jcersaPublicKey.getModulus(),
            jcersaPublicKey.getPublicExponent());
    System.out.println("PUBLIC KEY");
    System.out.println("Modulus: " + publicKey.getModulus());
    System.out.println("Public Exponent: " + publicKey.getPublicExponent());

    // Encode message
    String signingInput = "eyJhbGciOiJIUzI1NiJ9.eyJub25jZSI6ICI2Qm9HN1QwR0RUZ2wiLCAiaWRfdG9rZW4iOiB7Im1heF9hZ2UiOiA4NjQwMH0sICJzdGF0ZSI6ICJTVEFURTAiLCAicmVkaXJlY3RfdXJpIjogImh0dHBzOi8vbG9jYWxob3N0L2NhbGxiYWNrMSIsICJ1c2VyaW5mbyI6IHsiY2xhaW1zIjogeyJuYW1lIjogbnVsbH19LCAiY2xpZW50X2lkIjogIkAhMTExMSEwMDA4IUU2NTQuQjQ2MCIsICJzY29wZSI6IFsib3BlbmlkIl0sICJyZXNwb25zZV90eXBlIjogWyJjb2RlIl19";

    byte[] signature = JwtUtil.getSignatureRS384(signingInput.getBytes(), privateKey);
    String encodedSignature = JwtUtil.base64urlencode(signature);
    System.out.println("Encoded Signature: " + encodedSignature);

    // Verify signature
    boolean signatureVerified = JwtUtil.verifySignatureRS384(signingInput.getBytes(), signature, publicKey);
    assertTrue(signatureVerified, "Invalid signature");
}

From source file:org.xdi.oxauth.ws.rs.TokenSignaturesHttpTest.java

License:MIT License

@Test
public void rs512() throws NoSuchProviderException, NoSuchAlgorithmException, SignatureException,
        InvalidKeyException, InvalidKeySpecException, IllegalBlockSizeException, IOException,
        NoSuchPaddingException, BadPaddingException {
    showTitle("rs512");

    // Generate RSA Key
    KeyPair keyPair = JwtUtil.generateRsaKey();
    JCERSAPrivateCrtKey jcersaPrivateCrtKey = (JCERSAPrivateCrtKey) keyPair.getPrivate();
    JCERSAPublicKey jcersaPublicKey = (JCERSAPublicKey) keyPair.getPublic();
    RSAPrivateKey privateKey = new RSAPrivateKey(jcersaPrivateCrtKey.getModulus(),
            jcersaPrivateCrtKey.getPrivateExponent());
    System.out.println("PRIVATE KEY");
    System.out.println("Modulus: " + privateKey.getModulus());
    System.out.println("Private Exponent: " + privateKey.getPrivateExponent());
    RSAPublicKey publicKey = new RSAPublicKey(jcersaPublicKey.getModulus(),
            jcersaPublicKey.getPublicExponent());
    System.out.println("PUBLIC KEY");
    System.out.println("Modulus: " + publicKey.getModulus());
    System.out.println("Public Exponent: " + publicKey.getPublicExponent());

    // Encode message
    String signingInput = "eyJhbGciOiJIUzI1NiJ9.eyJub25jZSI6ICI2Qm9HN1QwR0RUZ2wiLCAiaWRfdG9rZW4iOiB7Im1heF9hZ2UiOiA4NjQwMH0sICJzdGF0ZSI6ICJTVEFURTAiLCAicmVkaXJlY3RfdXJpIjogImh0dHBzOi8vbG9jYWxob3N0L2NhbGxiYWNrMSIsICJ1c2VyaW5mbyI6IHsiY2xhaW1zIjogeyJuYW1lIjogbnVsbH19LCAiY2xpZW50X2lkIjogIkAhMTExMSEwMDA4IUU2NTQuQjQ2MCIsICJzY29wZSI6IFsib3BlbmlkIl0sICJyZXNwb25zZV90eXBlIjogWyJjb2RlIl19";

    byte[] signature = JwtUtil.getSignatureRS512(signingInput.getBytes(), privateKey);
    String encodedSignature = JwtUtil.base64urlencode(signature);
    System.out.println("Encoded Signature: " + encodedSignature);

    // Verify signature
    boolean signatureVerified = JwtUtil.verifySignatureRS512(signingInput.getBytes(), signature, publicKey);
    assertTrue(signatureVerified, "Invalid signature");
}

From source file:TorJava.Common.Encryption.java

License:Open Source License

/**
 * makes RSA public key from string//w  w w .j a va  2s  .com
 * 
 * @param s
 *            string that contais the key
 * @return
 * @see JCERSAPublicKey
 */
public static RSAPublicKeyStructure extractRSAKey(String s) {

    PEMReader reader = new PEMReader(new StringReader(s));
    JCERSAPublicKey JCEKey;
    RSAPublicKeyStructure theKey;

    try {
        Object o = reader.readObject();
        if (!(o instanceof JCERSAPublicKey))
            throw new IOException("Common.extractRSAKey: no public key found for signing key in string '" + s
                    + "' type " + o.getClass().getName());
        JCEKey = (JCERSAPublicKey) o;
        theKey = new RSAPublicKeyStructure(JCEKey.getModulus(), JCEKey.getPublicExponent());

    } catch (IOException e) {
        Logger.logDirectory(Logger.WARNING, "Common.extractRSAKey: Caught exception:" + e.getMessage());
        theKey = null;
    }

    return theKey;
}

From source file:TorJava.Common.Encryption.java

License:Open Source License

/**
 * copy from one format to another/*from  www.  j  a va 2  s  .c  o  m*/
 */
public static RSAPublicKeyStructure getRSAPublicKeyStructureFromJCERSAPublicKey(JCERSAPublicKey jpub) {
    return new RSAPublicKeyStructure(jpub.getModulus(), jpub.getPublicExponent());
}