Enum SignError 

pub enum SignError {
    BadSeedLength {
        expected: usize,
        actual: usize,
    },
    BadFieldLength {
        what: &'static str,
        expected: usize,
        actual: usize,
    },
}

Why a materialize-to-sign helper rejected its input.

Deliberately carries no secret material: the only failure modes are fixed-length validation faults, each reporting the lengths involved (never any byte of the seed, signature, or message).

Variants

BadSeedLength

The materialized seed slice was not exactly SEED_LEN bytes, a misprovisioned KV value. Fails closed before any key construction.

Fields

expected: usize

The required length.

actual: usize

The length actually supplied.

BadFieldLength

A public key or signature slice was the wrong length on the verify path: attacker-influenced bytes, validated before any crypto.

Fields

what: &'static str

Which field ("public key" / "signature").

expected: usize

The required length.

actual: usize

The length actually supplied.

Trait Implementations

impl Clone for SignError

fn clone(&self) -> SignError

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for SignError

impl Debug for SignError

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Display for SignError

fn fmt(&self, __formatter: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Eq for SignError

impl Error for SignError

fn source(&self) -> Option<&(dyn Error + 'static)>

Returns the lower-level source of this error, if any.

fn description(&self) -> &str

👎Deprecated since 1.42.0:

use the Display impl or to_string()

fn cause(&self) -> Option<&dyn Error>

👎Deprecated since 1.33.0:

replaced by Error::source, which can support downcasting

fn provide<'a>(&'a self, request: &mut Request<'a>)

🔬This is a nightly-only experimental API. (error_generic_member_access)

Provides type-based access to context intended for error reports.

impl PartialEq for SignError

fn eq(&self, other: &SignError) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl StructuralPartialEq for SignError