pqc_kyber 0.7.0

A rust implementation of the post-quantum Kyber KEM algorithm
Documentation 
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#[derive(Debug, PartialEq)]
/// Error types for the failure modes
pub enum KyberError {
  /// One or more inputs to a function are incorrectly sized. A likely cause of this is two parties using different security 
  /// levels while trying to negotiate a key exchange.
  InvalidInput,
  /// The ciphertext was unable to be authenticated. 
  /// The shared secret was not decapsulated. 
  Decapsulation,
  /// Error trying to fill random bytes (i.e external (hardware) RNG modules can fail).
  RandomBytesGeneration,
}

impl core::fmt::Display for KyberError {
  fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
    match *self {
      KyberError::InvalidInput => write!(f, "Function input is of incorrect length"),
      KyberError::Decapsulation => write!(f, "Decapsulation Failure, unable to obtain shared secret from ciphertext"),
      KyberError::RandomBytesGeneration => write!(f, "Random bytes generation function failed"),
    }
  }
}

#[cfg(feature = "std")]
impl std::error::Error for KyberError {}