geforkt von mirrored/vaultwarden
Merge pull request #2910 from samueltardieu/const-crypto
Use constant size generic parameter for random bytes generation
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Commit
dfe1e30d1b
8 geänderte Dateien mit 21 neuen und 19 gelöschten Zeilen
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@ -34,7 +34,7 @@ async fn generate_authenticator(data: JsonUpcase<PasswordData>, headers: Headers
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let (enabled, key) = match twofactor {
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Some(tf) => (true, tf.data),
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_ => (false, BASE32.encode(&crypto::get_random(vec![0u8; 20]))),
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_ => (false, crypto::encode_random_bytes::<20>(BASE32)),
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};
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Ok(Json(json!({
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@ -105,7 +105,7 @@ async fn recover(data: JsonUpcase<RecoverTwoFactor>, mut conn: DbConn) -> JsonRe
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async fn _generate_recover_code(user: &mut User, conn: &mut DbConn) {
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if user.totp_recover.is_none() {
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let totp_recover = BASE32.encode(&crypto::get_random(vec![0u8; 20]));
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let totp_recover = crypto::encode_random_bytes::<20>(BASE32);
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user.totp_recover = Some(totp_recover);
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user.save(conn).await.ok();
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}
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@ -56,7 +56,7 @@ fn negotiate(_headers: Headers) -> Json<JsonValue> {
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use crate::crypto;
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use data_encoding::BASE64URL;
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let conn_id = BASE64URL.encode(&crypto::get_random(vec![0u8; 16]));
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let conn_id = crypto::encode_random_bytes::<16>(BASE64URL);
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let mut available_transports: Vec<JsonValue> = Vec::new();
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if CONFIG.websocket_enabled() {
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@ -981,8 +981,7 @@ impl Config {
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if let Some(akey) = self._duo_akey() {
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akey
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} else {
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let akey = crate::crypto::get_random_64();
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let akey_s = data_encoding::BASE64.encode(&akey);
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let akey_s = crate::crypto::encode_random_bytes::<64>(data_encoding::BASE64);
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// Save the new value
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let builder = ConfigBuilder {
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@ -3,7 +3,7 @@
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//
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use std::num::NonZeroU32;
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use data_encoding::HEXLOWER;
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use data_encoding::{Encoding, HEXLOWER};
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use ring::{digest, hmac, pbkdf2};
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static DIGEST_ALG: pbkdf2::Algorithm = pbkdf2::PBKDF2_HMAC_SHA256;
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@ -37,18 +37,21 @@ pub fn hmac_sign(key: &str, data: &str) -> String {
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// Random values
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//
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pub fn get_random_64() -> Vec<u8> {
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get_random(vec![0u8; 64])
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}
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pub fn get_random(mut array: Vec<u8>) -> Vec<u8> {
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/// Return an array holding `N` random bytes.
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pub fn get_random_bytes<const N: usize>() -> [u8; N] {
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use ring::rand::{SecureRandom, SystemRandom};
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let mut array = [0; N];
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SystemRandom::new().fill(&mut array).expect("Error generating random values");
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array
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}
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/// Encode random bytes using the provided function.
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pub fn encode_random_bytes<const N: usize>(e: Encoding) -> String {
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e.encode(&get_random_bytes::<N>())
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}
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/// Generates a random string over a specified alphabet.
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pub fn get_random_string(alphabet: &[u8], num_chars: usize) -> String {
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// Ref: https://rust-lang-nursery.github.io/rust-cookbook/algorithms/randomness.html
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@ -77,18 +80,18 @@ pub fn get_random_string_alphanum(num_chars: usize) -> String {
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get_random_string(ALPHABET, num_chars)
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}
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pub fn generate_id(num_bytes: usize) -> String {
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HEXLOWER.encode(&get_random(vec![0; num_bytes]))
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pub fn generate_id<const N: usize>() -> String {
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encode_random_bytes::<N>(HEXLOWER)
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}
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pub fn generate_send_id() -> String {
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// Send IDs are globally scoped, so make them longer to avoid collisions.
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generate_id(32) // 256 bits
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generate_id::<32>() // 256 bits
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}
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pub fn generate_attachment_id() -> String {
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// Attachment IDs are scoped to a cipher, so they can be smaller.
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generate_id(10) // 80 bits
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generate_id::<10>() // 80 bits
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}
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/// Generates a numeric token for email-based verifications.
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@ -48,7 +48,7 @@ impl Device {
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use crate::crypto;
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use data_encoding::BASE64;
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let twofactor_remember = BASE64.encode(&crypto::get_random(vec![0u8; 180]));
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let twofactor_remember = crypto::encode_random_bytes::<180>(BASE64);
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self.twofactor_remember = Some(twofactor_remember.clone());
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twofactor_remember
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@ -69,7 +69,7 @@ impl Device {
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use crate::crypto;
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use data_encoding::BASE64URL;
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self.refresh_token = BASE64URL.encode(&crypto::get_random_64());
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self.refresh_token = crypto::encode_random_bytes::<64>(BASE64URL);
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}
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// Update the expiration of the device and the last update date
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@ -81,7 +81,7 @@ impl Send {
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if let Some(password) = password {
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self.password_iter = Some(PASSWORD_ITER);
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let salt = crate::crypto::get_random_64();
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let salt = crate::crypto::get_random_bytes::<64>().to_vec();
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let hash = crate::crypto::hash_password(password.as_bytes(), &salt, PASSWORD_ITER as u32);
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self.password_salt = Some(salt);
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self.password_hash = Some(hash);
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@ -93,7 +93,7 @@ impl User {
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email_new_token: None,
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password_hash: Vec::new(),
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salt: crypto::get_random_64(),
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salt: crypto::get_random_bytes::<64>().to_vec(),
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password_iterations: CONFIG.password_iterations(),
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security_stamp: crate::util::get_uuid(),
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