Error
Error Code:
3238
MySQL Error 3238: Invalid KDF Option Size
Description
Error 3238 indicates that an invalid size was provided for a Key Derivation Function (KDF) option, or a NULL value was used where a specific size is required. This typically occurs during operations involving MySQL's Advanced Encryption Standard (AES) functions or related security configurations, preventing the proper generation or derivation of encryption keys.
Error Message
KDF option size is invalid, please provide valid size < %d bytes and not NULL
Known Causes
4 known causesIncorrect Size Parameter
The specified size for the KDF option exceeds the maximum allowed value or is below the minimum required, as indicated by the error message's dynamic placeholder.
NULL Value Provided
Instead of a numeric size, a NULL value was supplied for a KDF option parameter that explicitly requires a non-NULL size.
Misconfigured Encryption Settings
Improper configuration of MySQL's encryption-related settings or functions that utilize KDF options can lead to invalid size specifications.
Application Logic Error
An error in the application code or script that interacts with MySQL's encryption functions might be passing an incorrectly calculated or malformed size parameter.
Solutions
Coming SoonDetailed step-by-step solutions for this error are being prepared. In the meantime, try these general troubleshooting tips:
General Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service