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START TRANSACTION
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--------------
DROP DATABASE IF EXISTS `base`
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--------------
CREATE DATABASE `base`
DEFAULT CHARACTER SET `latin1`
DEFAULT COLLATE `latin1_general_ci`
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DROP TABLE IF EXISTS `test`
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CREATE TABLE `test`
( `id` int unsigned NOT NULL AUTO_INCREMENT PRIMARY KEY,
`name` varbinary(255) NOT NULL
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
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DROP TRIGGER IF EXISTS `chiffrer`
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CREATE TRIGGER `chiffrer`
BEFORE INSERT ON `test`
FOR EACH ROW
BEGIN
set new.name = AES_ENCRYPT(NEW.name, 'clefsecrete');
END
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CREATE FUNCTION `enclair`(In_name varbinary(255))
RETURNS text
DETERMINISTIC
LANGUAGE SQL
BEGIN
RETURN AES_DECRYPT(In_name, 'clefsecrete');
END
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INSERT into `test` (`name`) VALUES
('Un'),('Deux'),('Trois'),('Quatre'),('Cinq')
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select id, name from test
--------------
+----+------------------+
| id | name |
+----+------------------+
| 1 |
{ÛY½mvçVÇ |
| 2 | íg2Ã %M«3Ø |
| 3 | ^éÒH¢ ¿±±Ëê |
=S | | À`IsľüëQc
| 5 | (ãÐÇ /ß:Ô! |
+----+------------------+
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select id, enclair(name) from test
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+----+---------------+
| id | enclair(name) |
+----+---------------+
| 1 | Un |
| 2 | Deux |
| 3 | Trois |
| 4 | Quatre |
| 5 | Cinq |
+----+---------------+
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COMMIT
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