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// SPDX-License-Identifier: Apache-2.0 OR MIT
//! Error types for the MAYO signature scheme.
/// Errors that can occur during MAYO operations.
#[derive(Debug, thiserror::Error)]
pub enum Error {
/// Key generation failed.
#[error("key generation failed")]
KeyGeneration,
/// Signing failed.
#[error("signing failed")]
Signing,
/// Signature verification failed.
#[error("verification failed")]
VerificationFailed,
/// Invalid key length.
#[error("invalid key length: expected {expected}, got {got}")]
InvalidKeyLength {
/// Expected length.
expected: usize,
/// Actual length.
got: usize,
},
/// Invalid signature length.
#[error("invalid signature length: expected {expected}, got {got}")]
InvalidSignatureLength {
/// Expected length.
expected: usize,
/// Actual length.
got: usize,
},
/// Invalid seed length.
#[error("invalid seed length: expected {expected}, got {got}")]
InvalidSeedLength {
/// Expected length.
expected: usize,
/// Actual length.
got: usize,
},
}
impl From<Error> for signature::Error {
fn from(e: Error) -> Self {
signature::Error::from_source(e.to_string())
}
}
/// Result type alias using [`Error`].
pub type Result<T> = core::result::Result<T, Error>;