fn f(round: u8, x: u32, y: u32, z: u32) -> u32 {
    match round {
                // Ch(x, y, z)
        00..=19 => (x & y) ^ (!x & z),
                // Parity(x, y, z)
        20..=39 => x ^ y ^ z,
                // Maj(x, y, z)
        40..=59 => (x & y) ^ (x & z) ^ (y & z),
                // Parity(x, y, z)
        60..=79 => x ^ y ^ z,
        _ => panic!("Error: in function 'f': round greater\
                than 79 was provided."),
    }
}
// Logical function for scrambling data in each round
//
// Function used for internal implementation of SHA1,
// should panic if invalid round provided
Logical function for scrambling data in each round
Function used for internal implementation of SHA1,
should panic if invalid round provided
Logical function for scrambling data in each round Function used for internal implementation of SHA1 should panic if invalid round provided
fn f(round: u8, x: u32, y: u32, z: u32) -> u32 {
    match round {
                // Ch(x, y, z)
        00..=19 => (x & y) ^ (!x & z),
                // Parity(x, y, z)
        20..=39 => x ^ y ^ z,
                // Maj(x, y, z)
        40..=59 => (x & y) ^ (x & z) ^ (y & z),
                // Parity(x, y, z)
        60..=79 => x ^ y ^ z,
        _ => panic!("Error: in function 'f': round greater\
                than 79 was provided."),
    }
}
fn f ( round : u8 , x : u32 , y : u32 , z : u32 ) -> u32 { match round { // Ch(x, y, z) 00 ..= 19 => ( x & y ) ^ ( ! x & z ) , // Parity(x, y, z) 20 ..= 39 => x ^ y ^ z , // Maj(x, y, z) 40 ..= 59 => ( x & y ) ^ ( x & z ) ^ ( y & z ) , // Parity(x, y, z) 60 ..= 79 => x ^ y ^ z , _ => panic ! ( " \
 " ) , } }
Logical function for scrambling data in each round
Function used for internal implementation of SHA1,
should panic if invalid round provided
Logical function for scrambling data in each round Function used for internal implementation of SHA1 should panic if invalid round provided
round
u8
x
u32
y
u32
z
u32
round
u8
x
u32
y
u32
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u32