What can I do to improvise the AES code

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i made a system to encrypt the data in database using AES-128. after the AES code applied, the data didnt insert into my system and database. can someone help me ? this for my final year project. i dont know what to do anymore. if i fail this subject, i might quit my bachelor degree. no one can help me, even my friends. i dont know what to do anymore. What I have tried:

What I have tried:

SQL

$sql="INSERT INTO aes.employee (
    emp_id,
    name,
    ic,
    gender,
    email,
    phoneNo,
    kwsp,
    salary,
    dept
) 
VALUES (
    null,
    aes_encrypt('$emp_id','33433'),
    aes_encrypt('$name',''33433),
    aes_encrypt('$ic','33433'),
    aes_encrpyt('$gender',''33433'),
    aes_encrpyt('$email','33433'),
    aes_encrypt('$phoneNo','33433'),
    aes_encrypt('$kwsp','33433'),
    aes_encrypt('$salary','33433'),
    aes_encrypt('$dept','33433')
)";

Posted 10-Jul-21 7:52am

Nor Asyikin Binti Alim

Updated 10-Jul-21 12:53pm

Dave Kreskowiak

v2

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Richard Deeming 12-Jul-21 6:28am

NB: Your code is vulnerable to SQL Injection[^]. NEVER use string concatenation to build a SQL query. ALWAYS use a parameterized query.

PHP: SQL Injection - Manual[^]

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Dave Kreskowiak · Accepted Answer · 2021-07-10T12:53:00

Well, first of all, you listed 9 columns you said you were going to have values for, but then you listed 10 values to pout into those columns. Those two lists much match and they don't!

Next, if your emp_id is an AUTOINCREMENT, or equivalent, you do NOT put it in the parameter list nor do you supply it with a NULL value.

Next, AFAIK, the encrypt function only works on strings, so if you're supplying numbers, like salary, it won't work.

If your emp_id column is an identity column, you cannot encrypt it.

But the real question is why are you trying to encrypt everything?