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MDEV-9069 extend AES_ENCRYPT() and AES_DECRYPT() to support IV and the algorithm

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AES_ENCRYPT(str, key, [, iv [, mode ]])
AES_DECRYPT(str, key, [, iv [, mode ]])

mode is aes-{128,192,256}-{ecb,cbc,ctr} e.g. "aes-128-cbc".

and a @@block_encryption_mode variable for the default value of mode

change in behavior: AES_ENCRYPT(str, key) can no longer
be used in persistent virtual columns (and alike)
This commit is contained in:
Sergei Golubchik
2023-06-13 13:33:55 +02:00
parent f94d467d32
commit 5de39c5ae3
13 changed files with 436 additions and 176 deletions
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sql/sql_class.h
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@ -781,6 +781,7 @@ typedef struct system_variables
ulong trans_alloc_block_size;
ulong trans_prealloc_size;
ulong log_warnings;
ulong block_encryption_mode;
/* Flags for slow log filtering */
ulong log_slow_rate_limit;
ulong binlog_format; ///< binlog format for this thd (see enum_binlog_format)