fn sha1_const(round: u8) -> u32 {
    match round {
        00..=19 => 0x5a827999,
        20..=39 => 0x6ed9eba1,
        40..=59 => 0x8f1bbcdc,
        60..=79 => 0xca62c1d6,
        _ => panic!("Error: in function 'sha1_const': round greater\
                than 79 was provided."),
    }
}
// Constants fed into each round of SHA1.
//
// Function used for internal implementation of SHA1,
// should panic if invalid round provided.
Constants fed into each round of SHA1.
Function used for internal implementation of SHA1,
should panic if invalid round provided.
Constants fed into each round of SHA1 . Function used for internal implementation of SHA1 should panic if invalid round provided .
fn sha1_const(round: u8) -> u32 {
    match round {
        00..=19 => 0x5a827999,
        20..=39 => 0x6ed9eba1,
        40..=59 => 0x8f1bbcdc,
        60..=79 => 0xca62c1d6,
        _ => panic!("Error: in function 'sha1_const': round greater\
                than 79 was provided."),
    }
}
fn sha1_const ( round : u8 ) -> u32 { match round { 00 ..= 19 => 0x5a827999 , 20 ..= 39 => 0x6ed9eba1 , 40 ..= 59 => 0x8f1bbcdc , 60 ..= 79 => 0xca62c1d6 , _ => panic ! ( " \
 " ) , } }
Constants fed into each round of SHA1.
Constants fed into each round of SHA1 .
round
u8
round
u8