public Digester digest(byte[] bytes) {
        if (bytes != null) {
            md.update(bytes);
        }
        return this;
    }
Updates the digest with a bytes array.
@param bytes the bytes
@return this digester
standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/metastore/properties/Digester.java