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use thiserror::Error;
#[derive(Error, Debug)]
pub enum Error {
#[cfg(feature = "rust-hpke")]
#[error("a problem occurred with the AEAD")]
Aead(#[from] aead::Error),
#[cfg(feature = "nss")]
#[error("a problem occurred during cryptographic processing: {0}")]
Crypto(#[from] crate::nss::Error),
#[error("an error was found in the format")]
Format,
#[cfg(all(feature = "rust-hpke", not(feature = "pq")))]
#[error("a problem occurred with HPKE: {0}")]
Hpke(#[from] ::hpke::HpkeError),
#[cfg(all(feature = "rust-hpke", feature = "pq"))]
#[error("a problem occurred with HPKE: {0}")]
Hpke(#[from] ::hpke_pq::HpkeError),
#[error("an internal error occurred")]
Internal,
#[error("the wrong type of key was provided for the selected KEM")]
InvalidKeyType,
#[error("the wrong KEM was specified")]
InvalidKem,
#[error("io error: {0}")]
Io(#[from] std::io::Error),
#[error("the key ID was invalid")]
KeyId,
#[error("a field was truncated")]
Truncated,
#[error("the configuration was not supported")]
Unsupported,
#[error("the configuration contained too many symmetric suites")]
TooManySymmetricSuites,
}
impl From<std::num::TryFromIntError> for Error {
fn from(_v: std::num::TryFromIntError) -> Self {
Self::TooManySymmetricSuites
}
}
pub type Res<T> = Result<T, Error>;