Enum block_padding::Iso7816
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[src]
pub enum Iso7816 {}
Pad block with byte sequence \x80 00...00 00
.
use block_padding::{Iso7816, Padding}; let msg = b"test"; let n = msg.len(); let mut buffer = [0xff; 16]; buffer[..n].copy_from_slice(msg); let padded_msg = Iso7816::pad(&mut buffer, n, 8).unwrap(); assert_eq!(padded_msg, b"test\x80\x00\x00\x00"); assert_eq!(Iso7816::unpad(&padded_msg).unwrap(), msg);
let padded_msg = Iso7816::pad(&mut buffer, n, 2).unwrap(); assert_eq!(padded_msg, b"test\x80\x00"); assert_eq!(Iso7816::unpad(&padded_msg).unwrap(), msg);
Trait Implementations
impl Padding for Iso7816
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fn pad_block(block: &mut [u8], pos: usize) -> Result<(), PadError>
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Pads block
filled with data up to pos
. Read more
fn unpad(data: &[u8]) -> Result<&[u8], UnpadError>
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Unpad given data
by truncating it according to the used padding. In case of the malformed padding will return UnpadError
Read more
fn pad(
buf: &mut [u8],
pos: usize,
block_size: usize
) -> Result<&mut [u8], PadError>
[src]
buf: &mut [u8],
pos: usize,
block_size: usize
) -> Result<&mut [u8], PadError>
Pads message with length pos
in the provided buffer. Read more