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| CodeSonar® 9.0p0 Hot Tips | CONFIDENTIAL | CodeSecure Inc |
A hardcoded cryptographic key is used.
| Class Name | Hardcoded Cryptographic Key (C#) | |||
|---|---|---|---|---|
| Significance | security | |||
| Mnemonic | CSHARP.HARDCODED.KEY | |||
| Categories |
|
|||
| Availability | Available for C# only. |
|||
| Enabling | Checks for this warning class are enabled by
default. To disable them, add the following WARNING_FILTER rule to the
project configuration file.
WARNING_FILTER += discard class="Hardcoded Cryptographic Key (C#)" |
Japanese (ja)
using System;
using System.Security.Cryptography;
using System.Text;
using System.IO;
namespace Hard_Coded_Cryptographic_Key {
class Hard_Coded_Cryptographic_Key {
public void MyMethod() {
string data = "568f{_62@!a";
string stringToEncrypt = "My secret";
byte[] byteCipherText = null;
using (AesCryptoServiceProvider aes = new AesCryptoServiceProvider()) {
ICryptoTransform encryptor = aes.CreateEncryptor(Encoding.UTF8.GetBytes(data), aes.IV); // 'Hardcoded Cryptographic Key (C#)' warning issued here
// ...
}
}
}
}
Avoid hardcoded keys: use a secure key generator instead.
The following configuration file parameters affect checks for this warning class.