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  1. MariaDB Server
  2. MDEV-9571

Encrypted table does not show encrypted="yes" in definition

Details

    • Bug
    • Status: Closed (View Workflow)
    • Major
    • Resolution: Not a Bug
    • 10.1.11
    • N/A
    • Encryption
    • None
    • Centos7

    Description

      Using the data encryption at rest feature, when I create a table explicitly via an alter statement, the show create table statement will show "`encrypted`='yes' `encryption_key_id`=1" in the definition. For example: 

      CREATE TABLE `t1` (
      		 
        `intcol1` int(32) DEFAULT NULL,
      		 
        `intcol2` int(32) DEFAULT NULL,
      		 
        `charcol1` varchar(128) DEFAULT NULL,
      		 
        `charcol2` varchar(128) DEFAULT NULL,
      		 
        `charcol3` varchar(128) DEFAULT NULL
      		 
      ) ENGINE=InnoDB DEFAULT CHARSET=latin1 `encrypted`='yes' `encryption_key_id`=1

      However, if I implicitly create an encrypted table using the default config, "`encrypted`='yes' `encryption_key_id`=1" does not show in this output.

      my.cnf contents:

      plugin-load-add=file_key_management.so
      		 
      file-key-management-filename = /var/lib/mysql/keys.txt
      		 
      innodb-encrypt-tables

      Create a table with this global/default encryption in place:

      create table t6 (
      		 
          -> `intcol1` int(32) DEFAULT NULL,
      		 
          ->   `intcol2` int(32) DEFAULT NULL,
      		 
          ->   `charcol1` varchar(128) DEFAULT NULL,
      		 
          ->   `charcol2` varchar(128) DEFAULT NULL,
      		 
          ->   `charcol3` varchar(128) DEFAULT NULL
      		 
          -> ) ENGINE=InnoDB DEFAULT CHARSET=latin1;
      		 
       
      		 
      insert into mysqlslap.t6 values (1,2,'show','the','definition');

      Table appears to be encrypted when I view it via xxd:

      snippet...
      		 
      0006340: affb 892a 9f38 5f50 c3f0 ecda e4a0 4d5b  ...*.8_P......M[
      		 
      0006350: d781 91af 5b64 20ef cac6 8300 3a0b 9673  ....[d .....:..s
      		 
      0006360: fdd6 84ab d666 4a08 e34d 34a5 a7ed 5e8c  .....fJ..M4...^.
      		 
      0006370: eece 66fe f435 e967 5264 6ab0 d1c7 9fa7  ..f..5.gRdj.....
      		 
      0006380: e3a1 6570 aca2 21bc ac8a f1c7 42ee f8b7  ..ep..!.....B...
      		 
      0006390: 2d8f fa4d a555 ba5c 5e52 774e 3e75 739d  -..M.U.\^RwN>us.
      		 
      00063a0: 551c 3cb9 2ef3 bf9e f72b c2a7 3083 3ab6  U.<......+..0.:.
      		 
      ...snippet

      But I can't tell that from within mysql:

      show create table mysqlslap.t6\G
      		 
      *************************** 1. row ***************************
      		 
             Table: t6
      		 
      Create Table: CREATE TABLE `t6` (
      		 
        `intcol1` int(32) DEFAULT NULL,
      		 
        `intcol2` int(32) DEFAULT NULL,
      		 
        `charcol1` varchar(128) DEFAULT NULL,
      		 
        `charcol2` varchar(128) DEFAULT NULL,
      		 
        `charcol3` varchar(128) DEFAULT NULL
      		 
      ) ENGINE=InnoDB DEFAULT CHARSET=latin1
      		 
      1 row in set (0.00 sec)

      or

      MariaDB [mysqlslap]> show table status like 't6'\G
      		 
      *************************** 1. row ***************************
      		 
                 Name: t6
      		 
               Engine: InnoDB
      		 
              Version: 10
      		 
           Row_format: Compact
      		 
                 Rows: 1
      		 
       Avg_row_length: 16384
      		 
          Data_length: 16384
      		 
      Max_data_length: 0
      		 
         Index_length: 0
      		 
            Data_free: 0
      		 
       Auto_increment: NULL
      		 
          Create_time: 2016-02-16 17:02:33
      		 
          Update_time: NULL
      		 
           Check_time: NULL
      		 
            Collation: latin1_swedish_ci
      		 
             Checksum: NULL
      		 
       Create_options:
      		 
              Comment:

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          Sergei Golubchik made transition -
          Open Closed
          		10h 36m 1

          People

            jplindst Jan Lindström (Inactive)
            valerie@opengroupware.ch Valerie Parham-Thompson
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            Dates

              Created:
              Updated:
              Resolved:

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