# Ed25519 Errors

## `Ed25519.InvalidPrfSizeError`

Thrown when a WebAuthn PRF output is not 32 bytes.

**Source:** [src/core/Ed25519.ts](https://github.com/wevm/ox/blob/main/src/core/Ed25519.ts#L415)

## `Ed25519.MemoryError`

Thrown when a WASM module cannot grow its memory to the required size.

**Source:** [src/wasm/internal/instantiate.ts](https://github.com/wevm/ox/blob/main/src/wasm/internal/instantiate.ts#L143)