Z3Bk1YhW

1use base64;
2use failure;
3
4#[derive(Clone, Debug, Eq, PartialEq, Ord, PartialOrd, Hash)]
5pub struct SecretKey(Option<Vec<u8>>);
6
7impl SecretKey {
8    // constructors
9    pub fn from_base64_encoded_string(s: String) -> Result<SecretKey, failure::Error> {
10        let bytes = base64::decode_config(&s, base64::STANDARD)?;
11        Ok(SecretKey(Some(bytes)))
12    }
13    pub fn from_string(s: String) -> SecretKey {
14        SecretKey(Some(s.into_bytes()))
15    }
16    pub fn from_bytes(b: Vec<u8>) -> SecretKey {
17        SecretKey(Some(b))
18    }
19    pub fn none() -> SecretKey {
20        SecretKey(None)
21    }
22
23    // getters
24    pub fn bytes(&self) -> &[u8] {
25        match (*self).0 {
26            Some(ref b) => b,
27            None => &[],
28        }
29    }
30    pub fn bytes_mut(&mut self) -> &mut [u8] {
31        match (*self).0 {
32            Some(ref mut b) => b,
33            None => &mut [],
34        }
35    }
36    pub fn into_bytes(self) -> Vec<u8> {
37        match self.0 {
38            Some(b) => b,
39            None => vec![],
40        }
41    }
42}