Struct block_padding::Iso7816
source · pub struct Iso7816;
Expand description
Pad block with byte sequence \x80 00...00 00
.
use block_padding::{Iso7816, Padding};
use generic_array::{GenericArray, typenum::U8};
let msg = b"test";
let pos = msg.len();
let mut block: GenericArray::<u8, U8> = [0xff; 8].into();
block[..pos].copy_from_slice(msg);
Iso7816::pad(&mut block, pos);
assert_eq!(&block[..], b"test\x80\x00\x00\x00");
let res = Iso7816::unpad(&block).unwrap();
assert_eq!(res, msg);
Trait Implementations§
source§impl RawPadding for Iso7816
impl RawPadding for Iso7816
impl Copy for Iso7816
Auto Trait Implementations§
impl Freeze for Iso7816
impl RefUnwindSafe for Iso7816
impl Send for Iso7816
impl Sync for Iso7816
impl Unpin for Iso7816
impl UnwindSafe for Iso7816
Blanket Implementations§
source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
source§default unsafe fn clone_to_uninit(&self, dst: *mut T)
default unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)source§impl<T> CloneToUninit for Twhere
T: Copy,
impl<T> CloneToUninit for Twhere
T: Copy,
source§unsafe fn clone_to_uninit(&self, dst: *mut T)
unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)source§impl<T, B> Padding<B> for T
impl<T, B> Padding<B> for T
source§fn pad(block: &mut GenericArray<u8, B>, pos: usize)
fn pad(block: &mut GenericArray<u8, B>, pos: usize)
Pads
block
filled with data up to pos
(i.e length of a message
stored in the block is equal to pos
). Read moresource§fn unpad(block: &GenericArray<u8, B>) -> Result<&[u8], UnpadError>
fn unpad(block: &GenericArray<u8, B>) -> Result<&[u8], UnpadError>
Unpad data in the
block
. Read moresource§fn unpad_blocks(blocks: &[Block<BlockSize>]) -> Result<&[u8], UnpadError>
fn unpad_blocks(blocks: &[Block<BlockSize>]) -> Result<&[u8], UnpadError>
Unpad data in the
blocks
. Read more