MySQL des_encrypt() function

Last update on August 08 2023 12:39:45 (UTC/GMT +8 hours)

des_encrypt() function

MySQL DES_ENCRYPT() encrypts a string with a key Triple-DES algorithm.

This function works only with Secure Sockets Layer (SSL) if support for SSL is available in MySql configuration.

Syntax:

DES_ENCRYPT(str,[{key_num | key_str}]);

Arguments:

Name	Description
str	A string which is to be encrypted.
key_num	A number from 0 to 9 from DES key file.
key_str	A string to encrypt str.

MySQL Version: 8.0

Example: MySQL des_encrypt() function

Code:

SELECT DES_ENCRYPT('mytext',5),DES_ENCRYPT('mytext','mypassward');

Explanation:

The above MySQL statement encrypts the string mytext with key number 5; for the second instance of the function, mytext is encrypted with mypassword.

Output:

mysql> SELECT DES_ENCRYPT('mytext',5),DES_ENCRYPT('mytext','mypassward');
+-------------------------+------------------------------------+
| DES_ENCRYPT('mytext',5) | DES_ENCRYPT('mytext','mypassward') |
+-------------------------+------------------------------------+
| …ÿc}æ¤~               | ÿ]ï×ñ”Å                          | 
+-------------------------+------------------------------------+
1 row in set (0.00 sec)

Example : MySQL des_encrypt() function using table

Sample table: testtable

Code:

INSERT INTO testtable
VALUE(DES_ENCRYPT('mydesencrypttext','mydespassw'));

Explanation:

The above MySQL statement will insert encrypted data into table 'testtable'.

Output:

mysql> INSERT INTO testtable
    -> VALUE(DES_ENCRYPT('mydesencrypttext','mydespassw'));
Query OK, 1 row affected (0.00 sec)

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