logo
 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59

use std::{fmt, error};

/// `scrypt()` error
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct InvalidOutputLen;

/// `ScryptParams` error
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub struct InvalidParams;

/// `scrypt_check` error
#[cfg(feature="include_simple")]
#[derive(Debug, Copy, Clone, Eq, PartialEq)]
pub enum CheckError {
    /// Password hash mismatch, e.g. due to the incorrect password.
    HashMismatch,
    /// Invalid format of the hash string.
    InvalidFormat,
}

impl fmt::Display for InvalidOutputLen {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.write_str("invalid output buffer length")
    }
}

impl error::Error for InvalidOutputLen {
    fn description(&self) -> &str { "invalid output buffer length" }
}

impl fmt::Display for InvalidParams {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.write_str("invalid scrypt parameters")
    }
}

impl error::Error for InvalidParams {
    fn description(&self) -> &str { "invalid scrypt parameters" }
}

#[cfg(feature="include_simple")]
impl fmt::Display for CheckError {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.write_str(match *self {
            CheckError::HashMismatch => "password hash mismatch",
            CheckError::InvalidFormat => "invalid `hashed_value` format",
        })
    }
}

#[cfg(feature="include_simple")]
impl error::Error for CheckError {
    fn description(&self) -> &str {
        match *self {
            CheckError::HashMismatch => "password hash mismatch",
            CheckError::InvalidFormat => "invalid `hashed_value` format",
        }
    }
}