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MDEV-8022 Assertion `rc == 0' failed in ma_encrypt on dropping an encrypted Aria table

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fix encryption of the last partial block

* now really encrypt it, using key and iv
* support the case of very short plaintext (less than one block)
* recommend aes_ctr over aes_cbc, because the former
  doesn't have problems with partial blocks
This commit is contained in:
Sergei Golubchik
2015-05-10 20:57:16 +02:00
parent bea3f30d46
commit acd992d4b7
4 changed files with 80 additions and 53 deletions
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5
mysql-test/suite/encryption/r/aria_tiny.result Normal file
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set global aria_encrypt_tables = 1;
create table t1 (i int, key(i)) engine=aria;
insert into t1 values (1);
drop table t1;
set global aria_encrypt_tables = 0;