#[cfg(not(feature = "vsda"))]
pub fn create_challenge() -> String {
use rand::distributions::{Alphanumeric, DistString};
Alphanumeric.sample_string(&mut rand::thread_rng(), 16)
}
#[cfg(not(feature = "vsda"))]
pub fn sign_challenge(challenge: &str) -> String {
use base64::{engine::general_purpose as b64, Engine as _};
use sha2::{Digest, Sha256};
let mut hash = Sha256::new();
hash.update(challenge.as_bytes());
let result = hash.finalize();
b64::URL_SAFE_NO_PAD.encode(result)
}
#[cfg(not(feature = "vsda"))]
pub fn verify_challenge(challenge: &str, response: &str) -> bool {
sign_challenge(challenge) == response
}
#[cfg(feature = "vsda")]
pub fn create_challenge() -> String {
use rand::distributions::{Alphanumeric, DistString};
let str = Alphanumeric.sample_string(&mut rand::thread_rng(), 16);
vsda::create_new_message(&str)
}
#[cfg(feature = "vsda")]
pub fn sign_challenge(challenge: &str) -> String {
vsda::sign(challenge)
}
#[cfg(feature = "vsda")]
pub fn verify_challenge(challenge: &str, response: &str) -> bool {
vsda::validate(challenge, response)
}
