X-Git-Url: http://git.euphorik.ch/?p=crypto_lab1.git;a=blobdiff_plain;f=lab1_rust%2Fsrc%2Fpacket.rs;h=ec63d9e0e1614f355d8fdabb43d6e1b30cf5b80f;hp=4016ccb845ce9cea5513eae64c8ffe8d43de113a;hb=a8641e8dd205140af9206e82169ff5ad107c23f8;hpb=ffb9351a121dff754127787c80dff9e0bcd49848

diff --git a/lab1_rust/src/packet.rs b/lab1_rust/src/packet.rs
index 4016ccb..ec63d9e 100644
--- a/lab1_rust/src/packet.rs
+++ b/lab1_rust/src/packet.rs
@@ -6,6 +6,7 @@ use serialize::hex::{ ToHex };
 use self::PacketType::{ Command, Answer, Error };
 use crypto;
 
+#[deriving(Show, Copy)]
 pub enum Variant {
    Weak, // The MAC is computed on data without padding.
    Fixed // The MAC is computed on data and padding.
@@ -28,7 +29,7 @@ pub enum ReadingError {
 // A macro to return a 'Err(ReadingError::IO(..))' in case of error.
 macro_rules! try_read_io(
    ($e:expr) => (match $e { Ok(e) => e, Err(e) => return Err(ReadingError::IO(e)) })
-)
+);
 
 // There are all the errors that may occur when encrypting, authenticating and writing a packet.
 #[deriving(Show)]
@@ -40,7 +41,7 @@ pub enum WritingError {
 // A macro to return a 'Err(WritingError::IO(..))' in case of error.
 macro_rules! try_write_io(
    ($e:expr) => (match $e { Ok(e) => e, Err(e) => return Err(WritingError::IO(e)) })
-)
+);
 
 pub type ReadingResult = Result<Packet, ReadingError>;
 pub type WritingResult = Result<(), WritingError>;
@@ -77,12 +78,12 @@ pub enum PacketType {
 ///      0x0A: Decrypt error
 ///      0x0B: Authentication error
 ///   TTTTTTTT: Timestamp (64 bits)
-///      D...D: Encrypted data (AES-256 CBC mode) of:
-///         |I|C...C|P...P| for command and answer packet:
-///            I: Command ID
-///            C: Command payload (from 7 to 39 bytes)
-///            P: Padding from 1 to 16, |I|C...C|P...P| size must be a multiple of 16
-///         |0000000000000000| for error packet (16 bytes length)
+///   D...D: Encrypted data (AES-256 CBC mode) of:
+///      |I|C...C|P...P| for command and answer packet:
+///         I: Command ID
+///         C: Command payload (from 7 to 39 bytes)
+///         P: Padding from 1 to 16, |I|C...C|P...P| size must be a multiple of 16
+///      |0000000000000000| for error packet (16 bytes length)
 ///   MMMMMMMMMM: first 10 bytes (most significant) of the HMAC-SHA256 of:
 ///      for command and answer packet:
 ///         |I|C...C| for weak variant
@@ -102,7 +103,7 @@ impl fmt::Show for PacketType {
       match self {
          &Command(ref data) => write!(formatter, "Command {{ {} }}", data_to_str(data)),
          &Answer(ref data) => write!(formatter, "Answer {{ {} }}", data_to_str(data)),
-         &Error(error_type) => write!(formatter, "Error {{ errorType: {} }}", error_type)
+         &Error(ref error_type) => write!(formatter, "Error {{ errorType: {} }}", error_type)
       }
    }
 }