/*
 * Copyright (c) 2004-2019, University of Oslo
 * All rights reserved.
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * Neither the name of the HISP project nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.hisp.dhis.android.core.arch.db.access.internal;

import java.nio.charset.StandardCharsets;
import java.security.SecureRandom;
import java.util.Random;

class DatabaseEncryptionPasswordGenerator {

    Random random = new SecureRandom();

    String generate() {
        int passwordLength = 32;
        byte[] array = new byte[passwordLength];
        random.nextBytes(array);
        return new String(array, StandardCharsets.UTF_8);
    }
}
@@ -1613,50 +1613,8 @@
 l;%0A%0A
-import java.nio.charset.StandardCharsets;%0A
 impo
@@ -1719,16 +1719,30 @@
  %7B%0A%0A    
+private final 
 Random r
@@ -1778,151 +1778,420 @@
     
-String generate() %7B%0A        int passwordLength
+private static final String ALLOWED_CHARS = %220123456789%22 + %22abcdefghijklmnopqrstuvwxyz%22%0A            + %22ABCDEFGHIJKLMNOPQRSTUVWXYZ%22;%0A    private static final int CODESIZE
  = 32;%0A
+%0A
     
-    byte%5B%5D array = new byte%5BpasswordLength%5D;%0A        random.nextBytes(array
+public String generate() %7B%0A        char%5B%5D randomChars = new char%5BCODESIZE%5D;%0A        for (int i = 0; i %3C CODESIZE; ++i) %7B%0A            randomChars%5Bi%5D = ALLOWED_CHARS.charAt(random.nextInt(ALLOWED_CHARS.length())
 );%0A   
+  
+   %7D%0A%0A
      
+   
 retu
@@ -2208,37 +2208,19 @@
 ing(
-array, StandardCharsets.UTF_8
+randomChars
 );%0A 

Use only alphanumeric charset in database key