Enum CryptoError 

pub enum CryptoError {
    Base64(DecodeError),
    Decryption,
    InvalidLength {
        expected: usize,
        got: usize,
    },
    TooShort,
    InvalidKeyHash,
    InvalidRecoveryKey,
    Kdf(String),
    Hkdf(String),
    Hybrid(String),
    Signature(String),
    Vrf(String),
    Utf8(FromUtf8Error),
}

All possible errors from cryptographic operations.

Variants

Base64(DecodeError)

Base64 decoding failed.

Decryption

Decryption failed (wrong key, corrupted ciphertext, or MAC mismatch).

InvalidLength

A key or salt has the wrong byte length.

Fields

expected: usize

Expected byte count.

got: usize

Actual byte count.

TooShort

Ciphertext is too short to contain the expected components.

InvalidKeyHash

The key_hash string is not in the expected {salt}$argon2id format.

InvalidRecoveryKey

A recovery key contains characters outside the allowed base32 alphabet.

Kdf(String)

The Argon2id key derivation failed.

Hkdf(String)

An HKDF (RFC 5869) extract/expand operation failed — in practice only when the requested output length exceeds 255 * HashLen.

Hybrid(String)

An error in the hybrid PQ KEM layer.

Signature(String)

An error in the hybrid PQ signature layer.

Vrf(String)

An error in the verifiable random function (ECVRF) layer that is not a plain length mismatch — e.g. a proof component that is not a valid curve point, or hash-to-curve exhausting its counter budget. A verification failure of an otherwise well-formed proof is reported as Ok(None) from ecvrf_verify, not as this error.

Utf8(FromUtf8Error)

Decrypted bytes are not valid UTF-8.

Trait Implementations

impl Debug for CryptoError

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

Formats the value using the given formatter.

impl Display for CryptoError

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

Formats the value using the given formatter.

impl Error for CryptoError

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 From<DecodeError> for CryptoError

fn from(source: DecodeError) -> Self

Converts to this type from the input type.

impl From<FromUtf8Error> for CryptoError

fn from(source: FromUtf8Error) -> Self

Converts to this type from the input type.