Jason Woltje
9caaf91ecc
fix(#280): Prevent encryption key exposure via logging
Enhanced logging security in crypto service to prevent potential key material leakage:
- Removed error object from logger.error() calls to prevent stack trace leakage
- Use generic error messages without sensitive details
- Constructor already validates key without exposing it in errors
- Added comprehensive tests to verify error messages don't contain key material
Security Impact:
- Prevents encryption key exposure through error logs
- Prevents stack traces that might contain sensitive crypto operation details
- All error messages are now generic and safe
Test Coverage:
- 18 tests covering all encryption/decryption scenarios
- Tests verify error messages don't expose key values
- Tests cover various invalid key formats (wrong length, non-hex, empty)
Files changed:
- apps/api/src/federation/crypto.service.ts (logging improvements)
- apps/api/src/federation/crypto.service.spec.ts (comprehensive test coverage)
Fixes #280
Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
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