fn md_pad(b: &[u8]) -> Vec<u8> {
    let mut m = Vec::from(b);
    m.push(0x80);

    let mut k = (56 - m.len() as i64) % 64;
    if k < 0 {
        k = 64 + k;
    }

    m.extend_from_slice(&vec![0 as u8; k as usize]);
    m.extend_from_slice(&((b.len() * 8) as u64).to_be_bytes());
    m
}
/// md_pad pads the message the same way as the sha-1 implementation from [sha1.rs]
///
/// Solution for problem 5 from set4: <https://cryptopals.com/sets/4/challenges/29>
md_pad pads the message the same way as the sha-1 implementation from [sha1.rs]
Solution for problem 5 from set4.
md_pad pads the message the same way as the sha - 1 implementation from [ sha1 . rs ] Solution for problem 5 from set4 .
fn md_pad(b: &[u8]) -> Vec<u8> {
    let mut m = Vec::from(b);
    m.push(0x80);
    let mut k = (56 - m.len() as i64) % 64;
    if k < 0 {
        k = 64 + k;
    }
    m.extend_from_slice(&vec![0 as u8; k as usize]);
    m.extend_from_slice(&((b.len() * 8) as u64).to_be_bytes());
    m
}
fn md_pad ( b : & [ u8 ] ) -> Vec < u8 > { let mut m = Vec :: from ( b ) ; m . push ( 0x80 ) ; let mut k = ( 56 - m . len ( ) as i64 ) % 64 ; if k < 0 { k = 64 + k ; } m . extend_from_slice ( & vec ! [ 0 as u8 k as usize ] ) ; m . extend_from_slice ( & ( ( b . len ( ) * 8 ) as u64 ) . to_be_bytes ( ) ) ; m }
md_pad pads the message the same way as the sha-1 implementation from [sha1.rs]
Solution for problem 5 from set4: <https://cryptopals.com/sets/4/challenges/29>
md_pad pads the message the same way as the sha - 1 implementation from [ sha1 . rs ] Solution for problem 5 from set4 : <https : // cryptopals . com / sets / 4 / challenges / 29 >
b
&[u8]