Example usage for java.security Key getEncoded

Introduction

In this page you can find the example usage for java.security Key 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:org.javaweb.utils.RSAUtils.java

/**
 * RSA???//from   www  .j a v  a2 s  . c o  m
 *
 * @param data ?
 * @param key  ?
 * @return
 * @throws Exception
 */
public static String sign(byte[] data, Key key) throws Exception {
    byte[] keyBytes = key.getEncoded();
    PKCS8EncodedKeySpec pkcs8KeySpec = new PKCS8EncodedKeySpec(keyBytes);
    KeyFactory keyFactory = KeyFactory.getInstance(key.getAlgorithm());
    PrivateKey privateK = keyFactory.generatePrivate(pkcs8KeySpec);
    Signature signature = Signature.getInstance(SIGNATURE_ALGORITHM);

    signature.initSign(privateK);
    signature.update(data);

    return Base64.encodeBase64String(signature.sign());
}

From source file:org.apache.hadoop.hbase.regionserver.TestEncryptionKeyRotation.java

private static byte[] extractHFileKey(Path path) throws Exception {
    HFile.Reader reader = HFile.createReader(TEST_UTIL.getTestFileSystem(), path, new CacheConfig(conf), conf);
    try {/*from w w w .ja v  a 2s. c  o m*/
        reader.loadFileInfo();
        Encryption.Context cryptoContext = reader.getFileContext().getEncryptionContext();
        assertNotNull("Reader has a null crypto context", cryptoContext);
        Key key = cryptoContext.getKey();
        assertNotNull("Crypto context has no key", key);
        return key.getEncoded();
    } finally {
        reader.close();
    }
}

From source file:vellumcert.Pems.java

public static String buildKeyPem(Key privateKey) {
    StringBuilder builder = new StringBuilder();
    builder.append(DASHES);/*from w ww.  j av a 2s  .  co  m*/
    builder.append(BEGIN_PRIVATE_KEY);
    builder.append(DASHES);
    builder.append('\n');
    builder.append(Base64.encodeBase64String(privateKey.getEncoded()));
    builder.append(DASHES);
    builder.append(END_PRIVATE_KEY);
    builder.append(DASHES);
    builder.append('\n');
    return builder.toString();
}

From source file:org.javaweb.utils.RSAUtils.java

/**
 * RSA???/*  ww w.j  a  v a  2  s . c  o  m*/
 *
 * @param data ?
 * @param key  
 * @param sign ??Base64
 * @return
 * @throws Exception
 */
public static boolean verify(byte[] data, Key key, String sign) throws Exception {
    X509EncodedKeySpec keySpec = new X509EncodedKeySpec(key.getEncoded());
    KeyFactory keyFactory = KeyFactory.getInstance(key.getAlgorithm());
    PublicKey publicK = keyFactory.generatePublic(keySpec);
    Signature signature = Signature.getInstance(SIGNATURE_ALGORITHM);
    signature.initVerify(publicK);
    signature.update(data);

    return signature.verify(Base64.decodeBase64(sign));
}

From source file:com.owncloud.android.utils.PushUtils.java

private static int saveKeyToFile(Key key, String path) {
    byte[] encoded = key.getEncoded();
    FileOutputStream keyFileOutputStream = null;
    try {/* ww  w .  j  ava2  s . co  m*/
        if (!new File(path).exists()) {
            new File(path).createNewFile();
        }
        keyFileOutputStream = new FileOutputStream(path);
        keyFileOutputStream.write(encoded);
        keyFileOutputStream.close();
        return 0;
    } catch (FileNotFoundException e) {
        Log_OC.d(TAG, "Failed to save key to file");
    } catch (IOException e) {
        Log_OC.d(TAG, "Failed to save key to file via IOException");
    }

    return -1;
}

From source file:org.artifactory.security.crypto.CryptoHelper.java

public static String convertToString(Key key) {
    return convertToString(key.getEncoded(), true);
}

From source file:org.codice.ddf.security.certificate.generator.PkiTools.java

/**
 * @param key object/*  w  w  w . j  av  a2 s .c o  m*/
 * @return PEM encoded string represents the bytes of the key
 */
public static String keyToPem(Key key) {
    Validate.isTrue(key != null, "Key cannot be null");
    return derToPem(key.getEncoded());
}

From source file:hudson.plugins.ec2.EC2PrivateKey.java

static String digestOpt(Key k, String dg) throws IOException {
    try {/*from  w  ww .j av  a 2s. c o  m*/
        MessageDigest md5 = MessageDigest.getInstance(dg);

        DigestInputStream in = new DigestInputStream(new ByteArrayInputStream(k.getEncoded()), md5);
        try {
            while (in.read(new byte[128]) > 0)
                ; // simply discard the input
        } finally {
            in.close();
        }
        StringBuilder buf = new StringBuilder();
        char[] hex = Hex.encodeHex(md5.digest());
        for (int i = 0; i < hex.length; i += 2) {
            if (buf.length() > 0)
                buf.append(':');
            buf.append(hex, i, 2);
        }
        return buf.toString();
    } catch (NoSuchAlgorithmException e) {
        throw new AssertionError(e);
    }
}

From source file:com.zxy.commons.codec.rsa.RSAUtils.java

/**
 * <p>//www  .jav  a 2 s  . c o  m
 * ?
 * </p>
 * 
 * @param keyMap 
 * @return String
 * @throws Exception Exception
 */
public static String getPublicKey(Map<String, Object> keyMap) throws Exception {
    Key key = (Key) keyMap.get(PUBLIC_KEY);
    return new String(Base64.encodeBase64(key.getEncoded()));
}

From source file:com.zxy.commons.codec.rsa.RSAUtils.java

/**
 * <p>//  w  w w.  j  ava  2 s .com
 * ??
 * </p>
 * 
 * @param keyMap 
 * @return String
 * @throws Exception Exception
 */
public static String getPrivateKey(Map<String, Object> keyMap) throws Exception {
    Key key = (Key) keyMap.get(PRIVATE_KEY);
    return new String(Base64.encodeBase64(key.getEncoded()));
}