Priority
P2
- Rust implementation for reading and verifying index entries
- See https://github.com/filecoin-project/FIPs/blob/9a3bfe48e75bc6d34329df8653cb6f431efc967d/FRCs/frc-verifiable-data-aggregation.md#data-segment-index
- Read index entries in Fr32 padded format, check their checksum