src/pqc_training_data/errors.py
| 1 | """Exception hierarchy.""" |
| 2 | |
| 3 | |
| 4 | class TrainingDataError(Exception): |
| 5 | """Base for all training-data-transparency errors.""" |
| 6 | |
| 7 | |
| 8 | class EmptyTreeError(TrainingDataError): |
| 9 | """Operation requires a non-empty Merkle tree.""" |
| 10 | |
| 11 | |
| 12 | class InclusionProofError(TrainingDataError): |
| 13 | """Merkle inclusion proof failed to verify.""" |
| 14 | |
| 15 | |
| 16 | class CommitmentVerificationError(TrainingDataError): |
| 17 | """ML-DSA signature on a commitment failed to verify.""" |
| 18 | |
| 19 | |
| 20 | class IndexOutOfRangeError(TrainingDataError): |
| 21 | """Leaf index is out of range for the tree.""" |
| 22 | |