Orian is the hash + blob package for Gale / Ingot / Dusk.
| Hash | Crypto | Use |
|---|---|---|
| BLAKE3 | Yes | Content id, S5 CID, S3 metadata |
| XXH3-64 | No | Checksums, cache keys |
| SHA-256 | Yes | AWS SigV4 only (S3 protocol) |
Production hasher is the Zig NIF (best measured 1 MiB BLAKE3 / 8 MiB XXH3). Rust blake3 crate is kept for the transfer engine and mix bench agreement checks. Digests must match.
Do not use XXH3 as a blob id.