crypto_mac/
errors.rs

1use core::fmt;
2
3/// Error type for signaling failed MAC verification
4#[derive(Default, Debug, Copy, Clone, Eq, PartialEq)]
5pub struct MacError;
6
7/// Error type for signaling invalid key length for MAC initialization
8#[derive(Default, Debug, Copy, Clone, Eq, PartialEq)]
9pub struct InvalidKeyLength;
10
11impl fmt::Display for MacError {
12    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
13        f.write_str("failed MAC verification")
14    }
15}
16
17impl fmt::Display for InvalidKeyLength {
18    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
19        f.write_str("invalid key length")
20    }
21}
22
23#[cfg(feature = "std")]
24impl std::error::Error for MacError {}
25
26#[cfg(feature = "std")]
27impl std::error::Error for InvalidKeyLength {}
crypto_mac/errors.rs

crypto_mac/
errors.rs
