Function add_message_checksum

bitvm/src/signatures/winternitz.rs:122–132

Appends the checksum to the end of the message.

(ps: &Parameters, mut message_digits: Vec<u32>)

/// Appends the checksum to the end of the message.
fn add_message_checksum(ps: &Parameters, mut message_digits: Vec<u32>) -> Vec<u32> {
    debug_assert_eq!(message_digits.len(), ps.message_digit_len as usize);

    let checksum_digits = checksum_to_digits(
        checksum(ps, &message_digits),
        ps.max_digit() + 1,
        ps.checksum_digit_len,
    );
    message_digits.extend(checksum_digits);
    message_digits
}

/// Creates and verifies Winternitz signatures.
pub trait Verifier {