Example usage for java.security PublicKey getEncoded

Introduction

In this page you can find the example usage for java.security PublicKey getEncoded.

Prototype

public byte[] getEncoded();

Source Link

Document

Returns the key in its primary encoding format, or null if this key does not support encoding.

Usage

From source file:se.tillvaxtverket.ttsigvalws.ttwssigvalidation.pdf.PdfSignatureVerifier.java

License:asdf

/**
 * Retrieves Public key parameters from a public key
 *
 * @param pubKey The public key/*  w  ww.  j  a v a2 s  .  c  o m*/
 * @param sigResult The data object where result data are stored
 * @throws IOException
 */
public static void getPkParams(PublicKey pubKey, CMSSigVerifyResult sigResult) throws IOException {

    try {
        String pkStr = String.valueOf(Base64Coder.encode(pubKey.getEncoded()));

        ASN1InputStream din = new ASN1InputStream(new ByteArrayInputStream(pubKey.getEncoded()));
        //ASN1Primitive pkObject = din.readObject();
        ASN1Sequence pkSeq = ASN1Sequence.getInstance(din.readObject());
        ASN1BitString keyBits = (ASN1BitString) pkSeq.getObjectAt(1);

        AlgorithmIdentifier algoId = AlgorithmIdentifier.getInstance(pkSeq.getObjectAt(0));
        PublicKeyType pkType = PublicKeyType.getTypeFromOid(algoId.getAlgorithm().getId());
        sigResult.setPkType(pkType);
        sigResult.setPkType(pkType);
        if (pkType.equals(PublicKeyType.EC)) {
            ASN1ObjectIdentifier curveOid = ASN1ObjectIdentifier.getInstance(algoId.getParameters());
            EcCurve curve = EcCurve.getEcCurveFromOid(curveOid.getId());
            sigResult.setEcCurve(curve);
            int totalKeyBits = getEcKeyLength(keyBits);
            sigResult.setKeyLength(totalKeyBits);
            return;
        }

        if (pkType.equals(PublicKeyType.RSA)) {
            ASN1InputStream keyIs = new ASN1InputStream(keyBits.getOctets());
            ASN1Sequence keyParamsSeq = ASN1Sequence.getInstance(keyIs.readObject());
            ASN1Integer modInt = ASN1Integer.getInstance(keyParamsSeq.getObjectAt(0));
            int modLen = getAsn1IntegerBitLength(modInt);
            sigResult.setKeyLength(modLen);
            return;
        }

    } catch (Exception e) {
        int asdf = 0;
    }

}

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From source file:com.trsst.Common.java

/**
 * Hashes an elliptic curve public key into a shortened "satoshi-style"
 * string that we use for a publicly-readable account id. Borrowed from
 * bitsofproof./*from w w  w .ja v  a  2s  .  c o  m*/
 * 
 * @param key
 *            the account EC public key.
 * @return the account id
 */
public static String toFeedId(PublicKey key) {
    byte[] keyDigest = keyHash(key.getEncoded());
    byte[] addressBytes = new byte[keyDigest.length + 4];
    // note: now leaving out BTC's first byte identifier
    System.arraycopy(keyDigest, 0, addressBytes, 0, keyDigest.length);
    byte[] check = hash(addressBytes, 0, keyDigest.length);
    System.arraycopy(check, 0, addressBytes, keyDigest.length, 4);
    return toBase58(addressBytes);
}

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From source file:org.signserver.server.cryptotokens.CryptoTokenHelper.java

/**
 * Creates a SHA-1 hash for the public key.
 * @param key to create hash for//from   ww  w.  j av  a2s.c o  m
 * @return Hex encoded hash
 */
public static String createKeyHash(PublicKey key) {
    try {
        MessageDigest md = MessageDigest.getInstance("SHA1", "BC");
        final String res = new String(Hex.encode(md.digest(key.getEncoded())));
        return res;
    } catch (NoSuchProviderException ex) {
        final String message = "No such provider trying to hash public key";
        LOG.error(message, ex);
        throw new RuntimeException(message, ex);
    } catch (NoSuchAlgorithmException ex) {
        final String message = "No such algorithm trying to hash public key";
        LOG.error(message, ex);
        throw new RuntimeException(message, ex);
    }
}

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From source file:test.integ.be.e_contract.sts.CXFSTSClientTest.java

private static X509Certificate getCertificate(PrivateKey privateKey, PublicKey publicKey) throws Exception {
    X500Name subjectName = new X500Name("CN=Test");
    X500Name issuerName = subjectName; // self-signed
    BigInteger serial = new BigInteger(128, new SecureRandom());
    SubjectPublicKeyInfo publicKeyInfo = SubjectPublicKeyInfo.getInstance(publicKey.getEncoded());
    DateTime notBefore = new DateTime();
    DateTime notAfter = notBefore.plusMonths(1);
    X509v3CertificateBuilder x509v3CertificateBuilder = new X509v3CertificateBuilder(issuerName, serial,
            notBefore.toDate(), notAfter.toDate(), subjectName, publicKeyInfo);
    AlgorithmIdentifier sigAlgId = new DefaultSignatureAlgorithmIdentifierFinder().find("SHA1withRSA");
    AlgorithmIdentifier digAlgId = new DefaultDigestAlgorithmIdentifierFinder().find(sigAlgId);
    AsymmetricKeyParameter asymmetricKeyParameter = PrivateKeyFactory.createKey(privateKey.getEncoded());

    ContentSigner contentSigner = new BcRSAContentSignerBuilder(sigAlgId, digAlgId)
            .build(asymmetricKeyParameter);
    X509CertificateHolder x509CertificateHolder = x509v3CertificateBuilder.build(contentSigner);

    byte[] encodedCertificate = x509CertificateHolder.getEncoded();

    CertificateFactory certificateFactory = CertificateFactory.getInstance("X.509");
    X509Certificate certificate = (X509Certificate) certificateFactory
            .generateCertificate(new ByteArrayInputStream(encodedCertificate));
    return certificate;
}

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From source file:strat.mining.stratum.proxy.Launcher.java

/**
 * Check that a valid SSl certificate already exists. If not, create a new
 * one./*from   ww  w  . j  a va2s  . c  o m*/
 * 
 * @throws Exception
 */
private static void checkCertificate() throws Exception {
    File storeFile = new File(ConfigurationManager.getInstance().getDatabaseDirectory(), KEYSTORE_FILE_NAME);
    KeyStore keyStore = KeyStore.getInstance("JKS");
    if (!storeFile.exists()) {
        LOGGER.info("KeyStore does not exist. Create {}", storeFile.getAbsolutePath());
        storeFile.getParentFile().mkdirs();
        storeFile.createNewFile();
        keyStore.load(null, null);

        LOGGER.info("Generating new SSL certificate.");
        AlgorithmIdentifier sigAlgId = new DefaultSignatureAlgorithmIdentifierFinder().find("SHA256withRSA");
        AlgorithmIdentifier digAlgId = new DefaultDigestAlgorithmIdentifierFinder().find(sigAlgId);

        RSAKeyPairGenerator keyGenerator = new RSAKeyPairGenerator();
        keyGenerator
                .init(new RSAKeyGenerationParameters(BigInteger.valueOf(101), new SecureRandom(), 2048, 14));
        AsymmetricCipherKeyPair keysPair = keyGenerator.generateKeyPair();

        RSAKeyParameters rsaPrivateKey = (RSAKeyParameters) keysPair.getPrivate();
        RSAPrivateKeySpec rsaPrivSpec = new RSAPrivateKeySpec(rsaPrivateKey.getModulus(),
                rsaPrivateKey.getExponent());
        RSAKeyParameters rsaPublicKey = (RSAKeyParameters) keysPair.getPublic();
        RSAPublicKeySpec rsaPublicSpec = new RSAPublicKeySpec(rsaPublicKey.getModulus(),
                rsaPublicKey.getExponent());
        KeyFactory kf = KeyFactory.getInstance("RSA");
        PrivateKey rsaPriv = kf.generatePrivate(rsaPrivSpec);
        PublicKey rsaPub = kf.generatePublic(rsaPublicSpec);

        X500Name issuerDN = new X500Name("CN=localhost, OU=None, O=None, L=None, C=None");
        Integer randomNumber = new SecureRandom().nextInt();
        BigInteger serialNumber = BigInteger.valueOf(randomNumber >= 0 ? randomNumber : randomNumber * -1);
        Date notBefore = new Date(System.currentTimeMillis() - 1000L * 60 * 60 * 24 * 30);
        Date notAfter = new Date(System.currentTimeMillis() + (1000L * 60 * 60 * 24 * 365 * 10));
        X500Name subjectDN = new X500Name("CN=localhost, OU=None, O=None, L=None, C=None");
        byte[] publickeyb = rsaPub.getEncoded();
        ASN1Sequence sequence = (ASN1Sequence) ASN1Primitive.fromByteArray(publickeyb);
        SubjectPublicKeyInfo subPubKeyInfo = new SubjectPublicKeyInfo(sequence);
        X509v3CertificateBuilder v3CertGen = new X509v3CertificateBuilder(issuerDN, serialNumber, notBefore,
                notAfter, subjectDN, subPubKeyInfo);

        ContentSigner contentSigner = new BcRSAContentSignerBuilder(sigAlgId, digAlgId)
                .build(keysPair.getPrivate());
        X509CertificateHolder certificateHolder = v3CertGen.build(contentSigner);

        Certificate certificate = new CertificateFactory()
                .engineGenerateCertificate(new ByteBufferBackedInputStream(
                        ByteBuffer.wrap(certificateHolder.toASN1Structure().getEncoded())));

        LOGGER.info("Certificate generated.");

        keyStore.setKeyEntry(KEYSTORE_KEY_ENTRY_ALIAS, rsaPriv, KEYSTORE_PASSWORD.toCharArray(),
                new java.security.cert.Certificate[] { certificate });

        keyStore.store(new FileOutputStream(storeFile), KEYSTORE_PASSWORD.toCharArray());
    }
}

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From source file:info.fcrp.keepitsafe.bean.UserBeanTest.java

private String generatePublicKey() throws NoSuchAlgorithmException {
    KeyPairGenerator kpg = KeyPairGenerator.getInstance("RSA");
    kpg.initialize(1024, new SecureRandom());
    KeyPair kp = kpg.generateKeyPair();
    PublicKey pubKey = kp.getPublic();

    return Base64.encodeBase64String(pubKey.getEncoded());
}

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From source file:org.apache.sshd.client.keyverifier.AcceptAllServerKeyVerifier.java

public boolean verifyServerKey(ClientSession sshClientSession, SocketAddress remoteAddress,
        PublicKey serverKey) {
    log.trace("Accepting key for " + remoteAddress + " key=" + BufferUtils.printHex(serverKey.getEncoded()));
    return true;//from  w ww .  j a v a  2  s. c  o m
}

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From source file:com.streamsets.lib.security.util.DataSignature.java

public String encodePublicKey(PublicKey publicKey) {
    return Base64.encodeBase64String(publicKey.getEncoded());
}

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From source file:be.fedict.eid.dss.model.bean.AdministratorManagerBean.java

private String getId(X509Certificate certificate) {
    PublicKey publicKey = certificate.getPublicKey();
    String id = DigestUtils.shaHex(publicKey.getEncoded());
    return id;//  ww  w.  j  a va 2  s . co  m
}

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From source file:org.panbox.core.identitymgmt.UnknownContact.java

public UnknownContact(PublicKey key, String alias) {
    super();/*w w  w  . j a  v a2s  .  c  o  m*/
    this.key = key;
    this.fingerPrint = DigestUtils.sha256Hex(key.getEncoded());
    this.alias = alias;
}

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