rasn/
der.rs

1//! # Distinguished Encoding Rules
2
3pub use crate::ber::*;
4
5/// Attempts to decode `T` from `input` using DER.
6pub fn decode<T: crate::Decode>(input: &[u8]) -> Result<T, crate::error::DecodeError> {
7    T::decode(&mut crate::ber::de::Decoder::new(
8        input,
9        crate::ber::de::DecoderOptions::der(),
10    ))
11}
12
13/// Attempts to encode `value` to DER.
14pub fn encode<T: crate::Encode>(
15    value: &T,
16) -> Result<alloc::vec::Vec<u8>, crate::error::EncodeError> {
17    let mut enc = crate::ber::enc::Encoder::new(crate::ber::enc::EncoderOptions::der());
18
19    value.encode(&mut enc)?;
20
21    Ok(enc.output())
22}
23
24/// Creates a new DER encoder that can be used to encode any value.
25pub fn encode_scope(
26    encode_fn: impl FnOnce(&mut crate::ber::enc::Encoder) -> Result<(), crate::error::EncodeError>,
27) -> Result<alloc::vec::Vec<u8>, crate::error::EncodeError> {
28    let mut enc = crate::ber::enc::Encoder::new(crate::ber::enc::EncoderOptions::der());
29
30    (encode_fn)(&mut enc)?;
31
32    Ok(enc.output())
33}
rasn/der.rs

rasn/
der.rs
