Error
Error Code:
1827
MariaDB Error 1827: Invalid Password Hash Format
Description
This error indicates that a password hash provided to MariaDB does not conform to the expected cryptographic format. It typically occurs during user creation or password modification when an incorrect hashing algorithm is used, or the input for the `PASSWORD()` function is malformed.
Error Message
The password hash doesn't have the expected format. Check if the correct password algorithm is being used with the PASSWORD() function.
Known Causes
4 known causesMismatched Hashing Algorithm
The `PASSWORD()` function or an external tool generated a hash using an algorithm incompatible with the current MariaDB server configuration or the expected format for the specific user account.
Incorrect `PASSWORD()` Function Usage
The `PASSWORD()` function was called with an incorrect number of arguments, invalid data types, or a syntax error, leading to an improperly formatted hash.
Manual Hash Entry Error
A password hash was manually entered or pasted into a SQL statement and contains typos, missing characters, or incorrect encoding.
Legacy Password Format
Attempting to use a password hash generated by a very old version of MySQL/MariaDB that employs an outdated and unsupported hashing scheme.
Solutions
Coming SoonGeneral 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