use thiserror::Error;

#[derive(Debug, Error)]
pub enum CryptoError {
    #[error("Encryption failed: {0}")]
    EncryptionFailed(String),

    #[error("Decryption failed: {0}")]
    DecryptionFailed(String),

    #[error("Signature verification failed")]
    SignatureInvalid,

    #[error("Unknown algorithm ID: {0}")]
    UnknownAlgorithm(String),

    #[error("Key derivation failed: {0}")]
    KeyDerivation(String),

    #[error("Invalid key length: expected {expected}, got {got}")]
    InvalidKeyLength { expected: usize, got: usize },

    #[error("Algorithm not available: {0}")]
    AlgorithmUnavailable(String),

    #[error("Serialization error: {0}")]
    Serialization(String),
}

pub type CryptoResult<T> = Result<T, CryptoError>;