org.jgroups.util.Util.byteArrayToHexString()方法的使用及代码示例

x33g5p2x  于2022-02-01 转载在 其他  
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本文整理了Java中org.jgroups.util.Util.byteArrayToHexString()方法的一些代码示例，展示了Util.byteArrayToHexString()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Util.byteArrayToHexString()方法的具体详情如下：
包路径：org.jgroups.util.Util
类名称：Util
方法名：byteArrayToHexString

Util.byteArrayToHexString介绍

暂无

代码示例

代码示例来源：origin: wildfly/wildfly

public static String byteArrayToHexString(byte[] b) {
  if(b == null)
    return "null";
  return byteArrayToHexString(b, 0, b.length);
}

代码示例来源：origin: wildfly/wildfly

public String toString() {
    if(type == null) return "n/a";
    switch(type) {
      case SECRET_KEY_REQ:
        return String.format("%s dh-key %d bytes", type, dh_key.length);
      case SECRET_KEY_RSP:
        return String.format("%s dh-key %d bytes, encrypted secret %d bytes, version: %s", type, dh_key.length,
                   encrypted_secret_key.length, Util.byteArrayToHexString(secret_key_version));
        default: return "n/a";
    }
  }
}

代码示例来源：origin: wildfly/wildfly

protected static String print16(PublicKey pub_key) {
  // use SHA256 to create a hash of secret_key and only then truncate it to secret_key_length
  MessageDigest digest=null;
  try {
    digest=MessageDigest.getInstance("SHA-256");
    digest.update(pub_key.getEncoded());
    return Util.byteArrayToHexString(digest.digest(), 0, 16);
  }
  catch(NoSuchAlgorithmException e) {
    return e.toString();
  }
}

代码示例来源：origin: wildfly/wildfly

protected static String print16(PublicKey pub_key) {
  // use SHA256 to create a hash of secret_key and only then truncate it to secret_key_length
  MessageDigest digest=null;
  try {
    digest=MessageDigest.getInstance("SHA-256");
    digest.update(pub_key.getEncoded());
    return Util.byteArrayToHexString(digest.digest(), 0, 16);
  }
  catch(NoSuchAlgorithmException e) {
    return e.toString();
  }
}

代码示例来源：origin: wildfly/wildfly

@ManagedAttribute public String version()                       {return Util.byteArrayToHexString(sym_version);}

代码示例来源：origin: wildfly/wildfly

public String toString() {
  return String.format("%s [version=%s]", typeToString(type), (version != null? Util.byteArrayToHexString(version) : "null"));
}

代码示例来源：origin: wildfly/wildfly

@Override protected void handleUnknownVersion(byte[] version) {
  if(!isKeyServer()) {
    log.debug("%s: received msg encrypted with version %s (my version: %s), getting new secret key from %s",
         local_addr, Util.byteArrayToHexString(version), Util.byteArrayToHexString(sym_version), key_server_addr);
    sendKeyRequest(key_server_addr);
  }
}

代码示例来源：origin: wildfly/wildfly

protected synchronized void setKeys(Address sender, SecretKey key, byte[] version) throws Exception {
  if(Arrays.equals(this.sym_version, version)) {
    log.debug("%s: ignoring secret key received from %s (version: %s), as it has already been installed",
         local_addr, sender != null? sender : "key exchange protocol", Util.byteArrayToHexString(version));
    return;
  }
  Cipher decoding_cipher=secret_key != null? decoding_ciphers.take() : null;
  // put the previous key into the map, keep the cipher: no leak, as we'll recreate decoding_ciphers in initSymCiphers()
  if(decoding_cipher != null)
    key_map.putIfAbsent(new AsciiString(version), decoding_cipher);
  log.debug("%s: installing secret key received from %s (version: %s)",
       local_addr, sender != null? sender : "key exchange protocol", Util.byteArrayToHexString(version));
  secret_key=key;
  initSymCiphers(key.getAlgorithm(), key);
  sym_version=version;
}

代码示例来源：origin: wildfly/wildfly

public void fetchSecretKeyFrom(Address target) throws Exception {
  try(SSLSocket sock=createSocketTo(target)) {
    DataInput in=new DataInputStream(sock.getInputStream());
    OutputStream out=sock.getOutputStream();
    // send the secret key request
    out.write(Type.SECRET_KEY_REQ.ordinal());
    out.flush();
    byte ordinal=in.readByte();
    Type rsp=Type.values()[ordinal];
    if(rsp != Type.SECRET_KEY_RSP)
      throw new IllegalStateException(String.format("expected response of %s but got type=%d", Type.SECRET_KEY_RSP, ordinal));
    int version_len=in.readInt();
    byte[] version=new byte[version_len];
    in.readFully(version);
    int secret_key_len=in.readInt();
    byte[] secret_key=new byte[secret_key_len];
    in.readFully(secret_key);
    SecretKey sk=new SecretKeySpec(secret_key, secret_key_algorithm);
    Tuple<SecretKey,byte[]> tuple=new Tuple<>(sk, version);
    log.debug("%s: sending up secret key (version: %s)", local_addr, Util.byteArrayToHexString(version));
    up_prot.up(new Event(Event.SET_SECRET_KEY, tuple));
  }
}

代码示例来源：origin: wildfly/wildfly

protected void createNewKey() {
  try {
    this.secret_key=createSecretKey();
    initSymCiphers(sym_algorithm, secret_key);
    log.debug("%s: created new secret key (version: %s)", local_addr, Util.byteArrayToHexString(sym_version));
  }
  catch(Exception ex) {
    log.error("%s: failed creating secret key and initializing ciphers", local_addr, ex);
  }
}

代码示例来源：origin: wildfly/wildfly

/** send client's public key to server and request server's public key */
protected void sendKeyRequest(Address key_server) {
  if(key_server == null)
    return;
  if(last_key_request == 0 || System.currentTimeMillis() - last_key_request > min_time_between_key_requests)
    last_key_request=System.currentTimeMillis();
  else
    return;
  if(use_external_key_exchange) {
    log.debug("%s: asking key exchange protocol to get secret key from %s", local_addr, key_server);
    down_prot.down(new Event(Event.FETCH_SECRET_KEY, key_server));
    return;
  }
  log.debug("%s: asking %s for the secret key (my version: %s)",
       local_addr, key_server, Util.byteArrayToHexString(sym_version));
  Message newMsg=new Message(key_server, key_pair.getPublic().getEncoded()).src(local_addr)
   .putHeader(this.id,new EncryptHeader(EncryptHeader.SECRET_KEY_REQ, null));
  down_prot.down(newMsg);
}

代码示例来源：origin: wildfly/wildfly

protected void handleSecretKeyResponse(PublicKey dh_public_key, byte[] encrypted_secret_key,
                    byte[] version, Address sender) throws Exception {
  Tuple<SecretKey,byte[]> tuple=null;
  log.debug("%s: received public key rsp %s.. from %s", local_addr, print16(dh_public_key), sender);
  synchronized(this) {
    key_agreement.doPhase(dh_public_key, true);
    // Diffie-Hellman secret session key, to decrypt secret key
    byte[] secret_session_key=key_agreement.generateSecret();
    SecretKey hashed_session_key=hash(secret_session_key);
    Cipher encrypter=Cipher.getInstance(secret_key_algorithm);
    encrypter.init(Cipher.DECRYPT_MODE, hashed_session_key);
    byte[] secret_key=encrypter.doFinal(encrypted_secret_key); // <-- this is the shared group key
    SecretKey sk=new SecretKeySpec(secret_key, secret_key_algorithm);
    tuple=new Tuple<>(sk, version);
    dh_key=null;
  }
  log.debug("%s: sending up secret key (version: %s)", local_addr, Util.byteArrayToHexString(version));
  up_prot.up(new Event(Event.SET_SECRET_KEY, tuple));
}

代码示例来源：origin: wildfly/wildfly

protected void sendSecretKey(Key secret_key, PublicKey public_key, Address source) throws Exception {
  byte[] encryptedKey=encryptSecretKey(secret_key, public_key);
  Message newMsg=new Message(source, encryptedKey).src(local_addr)
   .putHeader(this.id, new EncryptHeader(EncryptHeader.SECRET_KEY_RSP, symVersion()));
  log.debug("%s: sending secret key response to %s (version: %s)", local_addr, source, Util.byteArrayToHexString(sym_version));
  down_prot.down(newMsg);
}

代码示例来源：origin: wildfly/wildfly

protected void handleSecretKeyResponse(final Message msg, final byte[] key_version) {
  if(!inView(msg.src(), "ignoring secret key sent by %s which is not in current view %s"))
    return;
  if(Arrays.equals(sym_version, key_version)) {
    log.debug("%s: secret key (version %s) already installed, ignoring key response from %s",
         local_addr, Util.byteArrayToHexString(key_version), msg.src());
    return;
  }
  try {
    SecretKey tmp=decodeKey(msg.getBuffer());
    if(tmp == null)
      sendKeyRequest(key_server_addr);      // unable to understand response, let's try again
    else
      setKeys(msg.src(), tmp, key_version); // otherwise set the received key as the shared key
  }
  catch(Exception e) {
    log.warn("%s: unable to process key received from %s: %s", local_addr, msg.src(), e);
  }
}

代码示例来源：origin: org.jboss.eap/wildfly-client-all

public static String byteArrayToHexString(byte[] b) {
  if(b == null)
    return "null";
  return byteArrayToHexString(b, 0, b.length);
}

代码示例来源：origin: org.jboss.eap/wildfly-client-all

public String toString() {
    if(type == null) return "n/a";
    switch(type) {
      case SECRET_KEY_REQ:
        return String.format("%s dh-key %d bytes", type, dh_key.length);
      case SECRET_KEY_RSP:
        return String.format("%s dh-key %d bytes, encrypted secret %d bytes, version: %s", type, dh_key.length,
                   encrypted_secret_key.length, Util.byteArrayToHexString(secret_key_version));
        default: return "n/a";
    }
  }
}

代码示例来源：origin: org.jboss.eap/wildfly-client-all

protected static String print16(PublicKey pub_key) {
  // use SHA256 to create a hash of secret_key and only then truncate it to secret_key_length
  MessageDigest digest=null;
  try {
    digest=MessageDigest.getInstance("SHA-256");
    digest.update(pub_key.getEncoded());
    return Util.byteArrayToHexString(digest.digest(), 0, 16);
  }
  catch(NoSuchAlgorithmException e) {
    return e.toString();
  }
}

代码示例来源：origin: org.jboss.eap/wildfly-client-all

@Override protected void handleUnknownVersion(byte[] version) {
  if(!isKeyServer()) {
    log.debug("%s: received msg encrypted with version %s (my version: %s), getting new secret key from %s",
         local_addr, Util.byteArrayToHexString(version), Util.byteArrayToHexString(sym_version), key_server_addr);
    sendKeyRequest(key_server_addr);
  }
}

代码示例来源：origin: org.jboss.eap/wildfly-client-all

protected void createNewKey() {
  try {
    this.secret_key=createSecretKey();
    initSymCiphers(sym_algorithm, secret_key);
    log.debug("%s: created new secret key (version: %s)", local_addr, Util.byteArrayToHexString(sym_version));
  }
  catch(Exception ex) {
    log.error("%s: failed creating secret key and initializing ciphers", local_addr, ex);
  }
}

代码示例来源：origin: org.jboss.eap/wildfly-client-all

protected void sendSecretKey(Key secret_key, PublicKey public_key, Address source) throws Exception {
  byte[] encryptedKey=encryptSecretKey(secret_key, public_key);
  Message newMsg=new Message(source, encryptedKey).src(local_addr)
   .putHeader(this.id, new EncryptHeader(EncryptHeader.SECRET_KEY_RSP, symVersion()));
  log.debug("%s: sending secret key response to %s (version: %s)", local_addr, source, Util.byteArrayToHexString(sym_version));
  down_prot.down(newMsg);
}

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