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  1. Percona Server for MySQL
  2. PS-7322

Modify the right mask length calculation to handle up to string length for Data Masking

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Details

    • Bug
    • Status: Done
    • Medium
    • Resolution: Fixed
    • 8.0.19-10, 8.0.20-11
    • 8.0.21-12
    • Data Masking

    Description

       

      PS:

      mysql> SELECT mask_outer('abcdef', 1, 2), mask_outer('abcdef',0, 5);
+----------------------------+---------------------------+
| mask_outer('abcdef', 1, 2) | mask_outer('abcdef',0, 5) |
+----------------------------+---------------------------+
| XbcdXX                     | abcdef                    |
+----------------------------+---------------------------+
1 row in set (0.00 sec)mysql> SELECT mask_outer('abcdef', 1, 2, '*'), mask_outer('abcdef',0, 5, '#');
+---------------------------------+--------------------------------+
| mask_outer('abcdef', 1, 2, '*') | mask_outer('abcdef',0, 5, '#') |
+---------------------------------+--------------------------------+
| *bcd**                          | abcdef                         |
+---------------------------------+--------------------------------+
1 row in set (0.00 sec)mysql>

      MySQL Enterprise documentation:

      mysql> SELECT mask_outer('abcdef', 1, 2), mask_outer('abcdef',0, 5);
+----------------------------+---------------------------+
| mask_outer('abcdef', 1, 2) | mask_outer('abcdef',0, 5) |
+----------------------------+---------------------------+
| XbcdXX                     | aXXXXX                    |
+----------------------------+---------------------------+
mysql> SELECT mask_outer('abcdef', 1, 2, '*'), mask_outer('abcdef',0, 5, '#');
+---------------------------------+--------------------------------+
| mask_outer('abcdef', 1, 2, '*') | mask_outer('abcdef',0, 5, '#') |
+---------------------------------+--------------------------------+
| *bcd**                          | a#####                         |
+---------------------------------+--------------------------------+

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          is triggered by

          New Feature - A new feature of the product, which has yet to be developed. PS-5793 Data masking plugin

          • Medium - Minor loss of function, or other problem where easy workaround is present.
          • Done
          relates to

          New Feature - A new feature of the product, which has yet to be developed. PS-5793 Data masking plugin

          • Medium - Minor loss of function, or other problem where easy workaround is present.
          • Done

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              satya.bodapati Satya Bodapati
              satya.bodapati Satya Bodapati
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                Created:
                Updated:
                Resolved:

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