DoxigAlpha
std › crypto.tls › Decoder › sub

sub

Provide the length they claim, and receive a sub-decoder specific to that slice. The parent decoder is advanced to the end.

Function parameters

Parameters

#
d:*Decoder
their_len:usize

Type definitions in this namespace

Types

#
ApplicationCipher
Encryption parameters for application traffic.
Decoder
An abstraction to ensure that protocol-parsing code does not perform an

Functions in this namespace

Functions

#

= 5

Values

#
max_ciphertext_len
= max_ciphertext_inner_record_len + 256
max_ciphertext_record_len
= max_ciphertext_len + record_header_len
hello_retry_request_sequence
= [32]u8{ 0xCF, 0x21, 0xAD, 0x74, 0xE5, 0x9A, 0x61, 0x11, 0xBE, 0x1D, 0x8C, 0x02, 0x1E, 0x65, 0xB8, 0x91, 0xC2, 0xA2, 0x11, 0x16, 0x7A, 0xBB, 0x8C, 0x5E, 0x07, 0x9E, 0x09, 0xE2, 0xC8, 0xA8, 0x33, 0x9C, }
close_notify_alert
= [_]u8{ @intFromEnum(Alert.Level.warning), @intFromEnum(Alert.Description.close_notify), }

Source

Implementation

#
pub fn sub(d: *Decoder, their_len: usize) !Decoder {
    const end = d.idx + their_len;
    if (end > d.their_end) return error.TlsDecodeError;
    const sub_buf = d.buf[d.idx..end];
    d.idx = end;
    d.our_end = end;
    return fromTheirSlice(sub_buf);
}