Add configuration options for encryption

**Problem**
When working with auth, the error messages could be more descriptive.

**Suggestion**
Improve error handling and add detailed error messages.

**Context**
This would help with debugging and maintenance.

No files, tests, or entry points are identified. Start by clarifying whether the requested work is encryption configuration, authentication error handling, or both, then locate the relevant configuration and error-handling areas. Done should mean the supported options and expected detailed error messages are explicitly defined and covered by tests.

Written by the indexing model from the issue text.