OPENDJ-3086 Acquire and distribute encryption keys when applying config cha...

Fabio Pistolesi

07.42.2016 dc85d3be1d993e170e6a2f0af6544ab3ee0b7d76

OPENDJ-3086 Acquire and distribute encryption keys when applying config changes to backends

When setting confidentiality for a backend, verify that a key exists for the cipher, generating it if none is available
and making it available across the topology, so that all tasks without the server running will find a key.

 opendj-server-legacy/src/main/java/org/opends/server/backends/pluggable/EntryContainer.java

@@ -2362,10 +2362,27 @@
  @Override
  public boolean isConfigurationChangeAcceptable(PluggableBackendCfg cfg, List<LocalizableMessage> unacceptableReasons)
  {
    if (cfg.isConfidentialityEnabled())
    {
      final String cipherTransformation = cfg.getCipherTransformation();
      final int keyLength = cfg.getCipherKeyLength();

      try
      {
        serverContext.getCryptoManager().ensureCipherKeyIsAvailable(cipherTransformation, keyLength);
      }
      catch (Exception e)
      {
        unacceptableReasons.add(ERR_BACKEND_FAULTY_CRYPTO_TRANSFORMATION.get(cipherTransformation, keyLength, e));
        return false;
      }
    }
    else
    {
    StringBuilder builder = new StringBuilder();
    for (AttributeIndex attributeIndex : attrIndexMap.values())
    {
      if (attributeIndex.isConfidentialityEnabled() && !cfg.isConfidentialityEnabled())
        if (attributeIndex.isConfidentialityEnabled())
      {
        if (builder.length() > 0)
        {
@@ -2379,6 +2396,7 @@
      unacceptableReasons.add(ERR_BACKEND_CANNOT_CHANGE_CONFIDENTIALITY.get(getBaseDN(), builder.toString()));
      return false;
    }
    }
    return true;
  }


 opendj-server-legacy/src/main/java/org/opends/server/crypto/CryptoManagerImpl.java

@@ -2503,6 +2503,12 @@
    return new CipherOutputStream(outputStream, cipher);
  }

  @Override
  public void ensureCipherKeyIsAvailable(String cipherTransformation, int cipherKeyLength) throws CryptoManagerException
  {
    getCipherKeyEntry(cipherTransformation, cipherKeyLength);
  }

  private CipherKeyEntry getCipherKeyEntry(String cipherTransformation, int keyLengthBits) throws CryptoManagerException
  {
    CipherKeyEntry keyEntry = CipherKeyEntry.getCipherKeyEntryOrNull(this, cipherTransformation, keyLengthBits);

 opendj-server-legacy/src/main/java/org/opends/server/types/CryptoManager.java

@@ -433,4 +433,17 @@
   * @param encrypt true if the user of the crypto suite needs encryption
   */
  CryptoSuite newCryptoSuite(String cipherTransformation, int cipherKeyLength, boolean encrypt);

  /**
   * Ensures that a key exists for the provided cipher transformation and key length.
   * If none exists, a new one will be created.
   *<p>
   * Newly created keys will be published and propagated to the replication topology.
   *
   * @param cipherTransformation cipher transformation string specification
   * @param cipherKeyLength length of key in bits
   * @throws CryptoManagerException  If a problem occurs managing the encryption key
   */
  void ensureCipherKeyIsAvailable(String cipherTransformation, int cipherKeyLength) throws CryptoManagerException;

}

 opendj-server-legacy/src/messages/org/opends/messages/backend.properties

@@ -1093,3 +1093,4 @@
 following indexes have confidentiality still enabled: %s
NOTE_CONFIG_INDEX_CONFIDENTIALITY_REQUIRES_REBUILD_607=Changing confidentiality for index '%s' requires the index \
 to be rebuilt before it can be used again
ERR_BACKEND_FAULTY_CRYPTO_TRANSFORMATION_608=Error while enabling confidentiality with cipher %s, %d bits: %s