ssh-encoding 0.3.0-rc.0

Pure Rust implementation of SSH data type decoders/encoders as described in RFC4251
Documentation 
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use crate::{Decode, Error, Reader, Result};

/// Inner PEM decoder.
type Inner<'i> = pem_rfc7468::Decoder<'i>;

/// Constant-time PEM reader.
pub struct PemReader<'i> {
    /// Inner PEM reader.
    inner: Inner<'i>,

    /// Custom length of remaining data, used for nested length-prefixed reading.
    remaining_len: usize,
}

impl<'i> PemReader<'i> {
    /// Create a new PEM reader which autodetects the line width of the input.
    pub fn new(pem: &'i [u8]) -> Result<Self> {
        let inner = Inner::new_detect_wrap(pem)?;
        let remaining_len = inner.remaining_len();

        Ok(Self {
            inner,
            remaining_len,
        })
    }

    /// Get the PEM type label for the input document.
    pub fn type_label(&self) -> &'i str {
        self.inner.type_label()
    }
}

impl_reader_for_newtype!(PemReader<'_>);