libkrimes 0.1.0

A pure rust, minimal kerberos library
Documentation 
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use super::encrypted_data::EncryptedData;
use super::principal_name::PrincipalName;
use super::realm::Realm;
use der::{Decode, DecodeValue, Encode, EncodeValue, FixedTag, Sequence, Tag, TagNumber};

/// ```text
/// Ticket          ::= [APPLICATION 1] SEQUENCE {
///         tkt-vno         [0] INTEGER (5),
///         realm           [1] Realm,
///         sname           [2] PrincipalName,
///         enc-part        [3] EncryptedData -- EncTicketPart
/// }
/// ````
#[derive(Debug, Eq, PartialEq, Sequence)]
pub(crate) struct Ticket {
    #[asn1(context_specific = "0")]
    pub(crate) tkt_vno: i8,
    #[asn1(context_specific = "1")]
    pub(crate) realm: Realm,
    #[asn1(context_specific = "2")]
    pub(crate) sname: PrincipalName,
    #[asn1(context_specific = "3")]
    pub(crate) enc_part: EncryptedData,
}

#[derive(Debug, Eq, PartialEq)]
pub(crate) struct TaggedTicket(pub Ticket);

impl TaggedTicket {
    pub fn new(tkt: Ticket) -> Self {
        Self(tkt)
    }
}

impl FixedTag for TaggedTicket {
    const TAG: Tag = Tag::Application {
        constructed: true,
        number: TagNumber(1),
    };
}

impl<'a> DecodeValue<'a> for TaggedTicket {
    type Error = der::Error;

    fn decode_value<R: der::Reader<'a>>(reader: &mut R, _header: der::Header) -> der::Result<Self> {
        let t: Ticket = Ticket::decode(reader)?;
        Ok(Self(t))
    }
}

impl EncodeValue for TaggedTicket {
    fn value_len(&self) -> der::Result<der::Length> {
        self.0.encoded_len()
    }

    fn encode_value(&self, encoder: &mut impl der::Writer) -> der::Result<()> {
        self.0.encode(encoder)?;
        Ok(())
    }
}

impl From<TaggedTicket> for Ticket {
    fn from(value: TaggedTicket) -> Self {
        value.0
    }
}