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

  1. public static String byteArrayToHexString(byte[] b) {
  2.   if(b == null)
  3.     return "null";
  4.   return byteArrayToHexString(b, 0, b.length);
  5. }

代码示例来源：origin: wildfly/wildfly

  1. public String toString() {
  2.     if(type == null) return "n/a";
  3.     switch(type) {
  4.       case SECRET_KEY_REQ:
  5.         return String.format("%s dh-key %d bytes", type, dh_key.length);
  6.       case SECRET_KEY_RSP:
  7.         return String.format("%s dh-key %d bytes, encrypted secret %d bytes, version: %s", type, dh_key.length,
  8.                    encrypted_secret_key.length, Util.byteArrayToHexString(secret_key_version));
  9.         default: return "n/a";
  10.     }
  11.   }
  12. }

代码示例来源：origin: wildfly/wildfly

  1. protected static String print16(PublicKey pub_key) {
  2.   // use SHA256 to create a hash of secret_key and only then truncate it to secret_key_length
  3.   MessageDigest digest=null;
  4.   try {
  5.     digest=MessageDigest.getInstance("SHA-256");
  6.     digest.update(pub_key.getEncoded());
  7.     return Util.byteArrayToHexString(digest.digest(), 0, 16);
  8.   }
  9.   catch(NoSuchAlgorithmException e) {
  10.     return e.toString();
  11.   }
  12. }

代码示例来源：origin: wildfly/wildfly

  1. protected static String print16(PublicKey pub_key) {
  2.   // use SHA256 to create a hash of secret_key and only then truncate it to secret_key_length
  3.   MessageDigest digest=null;
  4.   try {
  5.     digest=MessageDigest.getInstance("SHA-256");
  6.     digest.update(pub_key.getEncoded());
  7.     return Util.byteArrayToHexString(digest.digest(), 0, 16);
  8.   }
  9.   catch(NoSuchAlgorithmException e) {
  10.     return e.toString();
  11.   }
  12. }

代码示例来源：origin: wildfly/wildfly

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

代码示例来源：origin: wildfly/wildfly

  1. public String toString() {
  2.   return String.format("%s [version=%s]", typeToString(type), (version != null? Util.byteArrayToHexString(version) : "null"));
  3. }

代码示例来源：origin: wildfly/wildfly

  1. @Override protected void handleUnknownVersion(byte[] version) {
  2.   if(!isKeyServer()) {
  3.     log.debug("%s: received msg encrypted with version %s (my version: %s), getting new secret key from %s",
  4.          local_addr, Util.byteArrayToHexString(version), Util.byteArrayToHexString(sym_version), key_server_addr);
  5.     sendKeyRequest(key_server_addr);
  6.   }
  7. }

代码示例来源：origin: wildfly/wildfly

  1. protected synchronized void setKeys(Address sender, SecretKey key, byte[] version) throws Exception {
  2.   if(Arrays.equals(this.sym_version, version)) {
  3.     log.debug("%s: ignoring secret key received from %s (version: %s), as it has already been installed",
  4.          local_addr, sender != null? sender : "key exchange protocol", Util.byteArrayToHexString(version));
  5.     return;
  6.   }
  7.   Cipher decoding_cipher=secret_key != null? decoding_ciphers.take() : null;
  8.   // put the previous key into the map, keep the cipher: no leak, as we'll recreate decoding_ciphers in initSymCiphers()
  9.   if(decoding_cipher != null)
  10.     key_map.putIfAbsent(new AsciiString(version), decoding_cipher);
  11.   log.debug("%s: installing secret key received from %s (version: %s)",
  12.        local_addr, sender != null? sender : "key exchange protocol", Util.byteArrayToHexString(version));
  13.   secret_key=key;
  14.   initSymCiphers(key.getAlgorithm(), key);
  15.   sym_version=version;
  16. }

代码示例来源：origin: wildfly/wildfly

  1. public void fetchSecretKeyFrom(Address target) throws Exception {
  2.   try(SSLSocket sock=createSocketTo(target)) {
  3.     DataInput in=new DataInputStream(sock.getInputStream());
  4.     OutputStream out=sock.getOutputStream();
  5.     // send the secret key request
  6.     out.write(Type.SECRET_KEY_REQ.ordinal());
  7.     out.flush();
  8.     byte ordinal=in.readByte();
  9.     Type rsp=Type.values()[ordinal];
  10.     if(rsp != Type.SECRET_KEY_RSP)
  11.       throw new IllegalStateException(String.format("expected response of %s but got type=%d", Type.SECRET_KEY_RSP, ordinal));
  12.     int version_len=in.readInt();
  13.     byte[] version=new byte[version_len];
  14.     in.readFully(version);
  15.     int secret_key_len=in.readInt();
  16.     byte[] secret_key=new byte[secret_key_len];
  17.     in.readFully(secret_key);
  18.     SecretKey sk=new SecretKeySpec(secret_key, secret_key_algorithm);
  19.     Tuple<SecretKey,byte[]> tuple=new Tuple<>(sk, version);
  20.     log.debug("%s: sending up secret key (version: %s)", local_addr, Util.byteArrayToHexString(version));
  21.     up_prot.up(new Event(Event.SET_SECRET_KEY, tuple));
  22.   }
  23. }

代码示例来源：origin: wildfly/wildfly

  1. protected void createNewKey() {
  2.   try {
  3.     this.secret_key=createSecretKey();
  4.     initSymCiphers(sym_algorithm, secret_key);
  5.     log.debug("%s: created new secret key (version: %s)", local_addr, Util.byteArrayToHexString(sym_version));
  6.   }
  7.   catch(Exception ex) {
  8.     log.error("%s: failed creating secret key and initializing ciphers", local_addr, ex);
  9.   }
  10. }

代码示例来源：origin: wildfly/wildfly

  1. /** send client's public key to server and request server's public key */
  2. protected void sendKeyRequest(Address key_server) {
  3.   if(key_server == null)
  4.     return;
  5.   if(last_key_request == 0 || System.currentTimeMillis() - last_key_request > min_time_between_key_requests)
  6.     last_key_request=System.currentTimeMillis();
  7.   else
  8.     return;
  9.   if(use_external_key_exchange) {
  10.     log.debug("%s: asking key exchange protocol to get secret key from %s", local_addr, key_server);
  11.     down_prot.down(new Event(Event.FETCH_SECRET_KEY, key_server));
  12.     return;
  13.   }
  14.   log.debug("%s: asking %s for the secret key (my version: %s)",
  15.        local_addr, key_server, Util.byteArrayToHexString(sym_version));
  16.   Message newMsg=new Message(key_server, key_pair.getPublic().getEncoded()).src(local_addr)
  17.    .putHeader(this.id,new EncryptHeader(EncryptHeader.SECRET_KEY_REQ, null));
  18.   down_prot.down(newMsg);
  19. }

代码示例来源：origin: wildfly/wildfly

  1. protected void handleSecretKeyResponse(PublicKey dh_public_key, byte[] encrypted_secret_key,
  2.                     byte[] version, Address sender) throws Exception {
  3.   Tuple<SecretKey,byte[]> tuple=null;
  4.   log.debug("%s: received public key rsp %s.. from %s", local_addr, print16(dh_public_key), sender);
  5.   synchronized(this) {
  6.     key_agreement.doPhase(dh_public_key, true);
  7.     // Diffie-Hellman secret session key, to decrypt secret key
  8.     byte[] secret_session_key=key_agreement.generateSecret();
  9.     SecretKey hashed_session_key=hash(secret_session_key);
  10.     Cipher encrypter=Cipher.getInstance(secret_key_algorithm);
  11.     encrypter.init(Cipher.DECRYPT_MODE, hashed_session_key);
  12.     byte[] secret_key=encrypter.doFinal(encrypted_secret_key); // <-- this is the shared group key
  13.     SecretKey sk=new SecretKeySpec(secret_key, secret_key_algorithm);
  14.     tuple=new Tuple<>(sk, version);
  15.     dh_key=null;
  16.   }
  17.   log.debug("%s: sending up secret key (version: %s)", local_addr, Util.byteArrayToHexString(version));
  18.   up_prot.up(new Event(Event.SET_SECRET_KEY, tuple));
  19. }

代码示例来源：origin: wildfly/wildfly

  1. protected void sendSecretKey(Key secret_key, PublicKey public_key, Address source) throws Exception {
  2.   byte[] encryptedKey=encryptSecretKey(secret_key, public_key);
  3.   Message newMsg=new Message(source, encryptedKey).src(local_addr)
  4.    .putHeader(this.id, new EncryptHeader(EncryptHeader.SECRET_KEY_RSP, symVersion()));
  5.   log.debug("%s: sending secret key response to %s (version: %s)", local_addr, source, Util.byteArrayToHexString(sym_version));
  6.   down_prot.down(newMsg);
  7. }

代码示例来源：origin: wildfly/wildfly

  1. protected void handleSecretKeyResponse(final Message msg, final byte[] key_version) {
  2.   if(!inView(msg.src(), "ignoring secret key sent by %s which is not in current view %s"))
  3.     return;
  4.   if(Arrays.equals(sym_version, key_version)) {
  5.     log.debug("%s: secret key (version %s) already installed, ignoring key response from %s",
  6.          local_addr, Util.byteArrayToHexString(key_version), msg.src());
  7.     return;
  8.   }
  9.   try {
  10.     SecretKey tmp=decodeKey(msg.getBuffer());
  11.     if(tmp == null)
  12.       sendKeyRequest(key_server_addr);      // unable to understand response, let's try again
  13.     else
  14.       setKeys(msg.src(), tmp, key_version); // otherwise set the received key as the shared key
  15.   }
  16.   catch(Exception e) {
  17.     log.warn("%s: unable to process key received from %s: %s", local_addr, msg.src(), e);
  18.   }
  19. }

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

  1. public static String byteArrayToHexString(byte[] b) {
  2.   if(b == null)
  3.     return "null";
  4.   return byteArrayToHexString(b, 0, b.length);
  5. }

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

  1. public String toString() {
  2.     if(type == null) return "n/a";
  3.     switch(type) {
  4.       case SECRET_KEY_REQ:
  5.         return String.format("%s dh-key %d bytes", type, dh_key.length);
  6.       case SECRET_KEY_RSP:
  7.         return String.format("%s dh-key %d bytes, encrypted secret %d bytes, version: %s", type, dh_key.length,
  8.                    encrypted_secret_key.length, Util.byteArrayToHexString(secret_key_version));
  9.         default: return "n/a";
  10.     }
  11.   }
  12. }

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

  1. protected static String print16(PublicKey pub_key) {
  2.   // use SHA256 to create a hash of secret_key and only then truncate it to secret_key_length
  3.   MessageDigest digest=null;
  4.   try {
  5.     digest=MessageDigest.getInstance("SHA-256");
  6.     digest.update(pub_key.getEncoded());
  7.     return Util.byteArrayToHexString(digest.digest(), 0, 16);
  8.   }
  9.   catch(NoSuchAlgorithmException e) {
  10.     return e.toString();
  11.   }
  12. }

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

  1. @Override protected void handleUnknownVersion(byte[] version) {
  2.   if(!isKeyServer()) {
  3.     log.debug("%s: received msg encrypted with version %s (my version: %s), getting new secret key from %s",
  4.          local_addr, Util.byteArrayToHexString(version), Util.byteArrayToHexString(sym_version), key_server_addr);
  5.     sendKeyRequest(key_server_addr);
  6.   }
  7. }

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

  1. protected void createNewKey() {
  2.   try {
  3.     this.secret_key=createSecretKey();
  4.     initSymCiphers(sym_algorithm, secret_key);
  5.     log.debug("%s: created new secret key (version: %s)", local_addr, Util.byteArrayToHexString(sym_version));
  6.   }
  7.   catch(Exception ex) {
  8.     log.error("%s: failed creating secret key and initializing ciphers", local_addr, ex);
  9.   }
  10. }

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

  1. protected void sendSecretKey(Key secret_key, PublicKey public_key, Address source) throws Exception {
  2.   byte[] encryptedKey=encryptSecretKey(secret_key, public_key);
  3.   Message newMsg=new Message(source, encryptedKey).src(local_addr)
  4.    .putHeader(this.id, new EncryptHeader(EncryptHeader.SECRET_KEY_RSP, symVersion()));
  5.   log.debug("%s: sending secret key response to %s (version: %s)", local_addr, source, Util.byteArrayToHexString(sym_version));
  6.   down_prot.down(newMsg);
  7. }

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