serde_encrypt/serialize/impls/
bincode_serializer.rs

1use crate::{serialize::TypedSerialized, Error};
2use alloc::{format, vec::Vec};
3use core::marker::PhantomData;
4use serde::{Deserialize, Serialize};
5
6/// [bincode](https://docs.rs/bincode) serializer
7#[derive(Debug)]
8pub struct BincodeSerializer<T> {
9    serialized: Vec<u8>,
10    _type: PhantomData<T>,
11}
12
13impl<T> TypedSerialized for BincodeSerializer<T> {
14    type T = T;
15
16    fn new(serialized: Vec<u8>) -> Self
17    where
18        Self: Sized,
19    {
20        Self {
21            serialized,
22            _type: PhantomData::default(),
23        }
24    }
25
26    fn as_slice(&self) -> &[u8] {
27        &self.serialized
28    }
29
30    fn into_vec(self) -> Vec<u8> {
31        self.serialized
32    }
33
34    fn serialize(v: &Self::T) -> Result<Self, Error>
35    where
36        Self: Sized,
37        Self::T: Serialize,
38    {
39        let serialized = bincode::serialize(v).map_err(|e| {
40            Error::serialization_error(&format!("failed to serialize data by bincode: {:?}", e))
41        })?;
42        Ok(Self::new(serialized))
43    }
44
45    fn deserialize<'de>(&'de self) -> Result<Self::T, Error>
46    where
47        Self::T: Deserialize<'de>,
48    {
49        bincode::deserialize(self.as_slice()).map_err(|e| {
50            Error::deserialization_error(&format!(
51                "error on bincode deserialization after decryption: {:?}",
52                e
53            ))
54        })
55    }
56}
57
58#[cfg(test)]
59mod tests {
60    use super::*;
61
62    #[test]
63    fn test_bincode_serializer() -> Result<(), Error> {
64        #[derive(PartialEq, Debug, Serialize, Deserialize)]
65        struct Message(i32);
66
67        let msg = Message(42);
68
69        let serialized_msg = BincodeSerializer::serialize(&msg)?;
70        let deserialized_msg = serialized_msg.deserialize()?;
71
72        assert_eq!(msg, deserialized_msg);
73
74        Ok(())
75    }
76}
serde_encrypt/serialize/impls/bincode_serializer.rs

serde_encrypt/serialize/impls/
bincode_serializer.rs
