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errors.rs
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errors.rs
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pub type Result<T> = core::result::Result<T, Error>;
/// Error types
#[derive(Debug, Eq, PartialEq)]
#[non_exhaustive]
pub enum Error {
InvalidPaddingScheme,
Decryption,
Verification,
MessageTooLong,
InputNotHashed,
NprimesTooSmall,
TooFewPrimes,
InvalidPrime,
InvalidModulus,
InvalidExponent,
InvalidCoefficient,
ModulusTooLarge,
PublicExponentTooSmall,
PublicExponentTooLarge,
Pkcs1(pkcs1::Error),
Pkcs8(pkcs8::Error),
Internal,
LabelTooLong,
}
#[cfg(feature = "std")]
impl std::error::Error for Error {}
impl core::fmt::Display for Error {
fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
match self {
Error::InvalidPaddingScheme => write!(f, "invalid padding scheme"),
Error::Decryption => write!(f, "decryption error"),
Error::Verification => write!(f, "verification error"),
Error::MessageTooLong => write!(f, "message too long"),
Error::InputNotHashed => write!(f, "input must be hashed"),
Error::NprimesTooSmall => write!(f, "nprimes must be >= 2"),
Error::TooFewPrimes => {
write!(f, "too few primes of given length to generate an RSA key")
}
Error::InvalidPrime => write!(f, "invalid prime value"),
Error::InvalidModulus => write!(f, "invalid modulus"),
Error::InvalidExponent => write!(f, "invalid exponent"),
Error::InvalidCoefficient => write!(f, "invalid coefficient"),
Error::ModulusTooLarge => write!(f, "modulus too large"),
Error::PublicExponentTooSmall => write!(f, "public exponent too small"),
Error::PublicExponentTooLarge => write!(f, "public exponent too large"),
Error::Pkcs1(err) => write!(f, "{}", err),
Error::Pkcs8(err) => write!(f, "{}", err),
Error::Internal => write!(f, "internal error"),
Error::LabelTooLong => write!(f, "label too long"),
}
}
}
impl From<pkcs1::Error> for Error {
fn from(err: pkcs1::Error) -> Error {
Error::Pkcs1(err)
}
}
impl From<pkcs8::Error> for Error {
fn from(err: pkcs8::Error) -> Error {
Error::Pkcs8(err)
}
}