argon2_kdf/
error.rs

1use std::fmt;
2
3/// Errors that may occur when using this crate
4#[derive(Debug)]
5pub enum Argon2Error {
6    /// Indicates that the user of a type or function has specified an invalid parameter or
7    /// set of parameters
8    InvalidParameter(&'static str),
9
10    /// Indicates that a provided hash was expected to be valid, but is invalid. This
11    /// normally occurs when a hash is improperly formatted.
12    InvalidHash(&'static str),
13
14    /// An error that is unhandled by the crate, but is recognized by the C argon2 library
15    CLibError(String),
16}
17
18impl std::error::Error for Argon2Error {}
19
20impl fmt::Display for Argon2Error {
21    /// Turn an `Argon2Error` into a descriptive string
22    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
23        match self {
24            Argon2Error::InvalidParameter(msg) => {
25                write!(f, "Argon2Error: Invalid parameter: {}", msg)
26            }
27            Argon2Error::InvalidHash(msg) => write!(f, "Argon2Error: Invalid hash: {}", msg),
28            Argon2Error::CLibError(msg) => {
29                write!(f, "Argon2Error: Error from C library: {}", msg)
30            }
31        }
32    }
33}
argon2_kdf/error.rs

argon2_kdf/
error.rs
