External Hashers — Descriptor
| Field | Type / Allowed | Required | Purpose |
|---|---|---|---|
func |
`async (Uint8Array) → Uint8Array | string` | yes* |
output |
`‘bytes’ | ‘hex’ | ‘base64’` |
size |
integer (bits) | optional | Enforces digest length at runtime |
cdn |
string (URL) | optional | Auto-loads and registers the hasher |
* Either func or cdn must be provided. Supplying both is fine.
Error behavior
- Missing hasher →
Hasher <id> not registered - Wrong length →
Hasher <id> size mismatch - Unsupported output →
Unsupported output <fmt>