sip := siphash.New(id[:])
        sip.Write([]byte(key))
        return int(sip.Sum64() % uint64(cardinality))
}
```

Input for the key is the object name specified in `PutObject()`, returns a unique index. This index is one of the erasure sets where the object will reside. This function is a consistent hash for a given object name i.e for a given object name the index returned is always the same.

	}

	const randSize = 28
	random, err := sioutil.Random(randSize)
	if err != nil {
		return DEK{}, err
	}
	iv, nonce := random[:16], random[16:]

	prf := hmac.New(sha256.New, s.key)
	prf.Write(iv)
	key := prf.Sum(make([]byte, 0, prf.Size()))

	block, err := aes.NewCipher(key)
	if err != nil {
		return DEK{}, err
	}
	aead, err := cipher.NewGCM(block)
	if err != nil {
		return DEK{}, err

 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.smb;

import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.SmbTree;

 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.smb;

import jcifs.CIFSException;

/**
 * Output stream for writing to SMB named pipes.
 *

 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.witness;

/**
 * Represents a witness heartbeat request as defined in MS-SWN specification.

 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.util;

import jcifs.Encodable;

/**
 * Interface for objects that can be encoded to byte arrays.

 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package jcifs.https;

import jcifs.CIFSContext;
import jcifs.http.NtlmHttpURLConnection;

/**

      return new ForwardingSink(sink) {
        private long totalBytesWritten = 0L;
        private boolean completed = false;

        @Override
        public void write(Buffer source, long byteCount) throws IOException {
          super.write(source, byteCount);
          totalBytesWritten += byteCount;
          progressListener.update(totalBytesWritten, contentLength(), completed);
        }

        @Override

        while (!body.exhausted()) {
          val chunkSize = minOf(body.size, maxChunkSize.toLong())
          bytesOut.writeHexadecimalUnsignedLong(chunkSize)
          bytesOut.writeUtf8("\r\n")
          bytesOut.write(body, chunkSize)
          bytesOut.writeUtf8("\r\n")
        }
        bytesOut.writeUtf8("0\r\n") // Last chunk. Trailers follow!
        this.body = bytesOut.toMockResponseBody()
      }

    /**

        }

        try {
            write(uploadFile.getAbsolutePath(), form.designFile.getFileData());
            final String currentFileName = fileName;
            saveInfo(messages -> messages.addSuccessUploadDesignFile(GLOBAL, currentFileName));
        } catch (final Exception e) {
            logger.error("Failed to write an image file: {}", fileName, e);