#![cfg_attr(docsrs, feature(doc_cfg))]

#![doc = include_str!("../README.md")]

// @@ begin lint list maintained by maint/add_warning @@

#![allow(renamed_and_removed_lints)] // @@REMOVE_WHEN(ci_arti_stable)

#![allow(unknown_lints)] // @@REMOVE_WHEN(ci_arti_nightly)

#![warn(missing_docs)]

#![warn(noop_method_call)]

#![warn(unreachable_pub)]

#![warn(clippy::all)]

#![deny(clippy::await_holding_lock)]

#![deny(clippy::cargo_common_metadata)]

#![deny(clippy::cast_lossless)]

#![deny(clippy::checked_conversions)]

#![allow(clippy::cognitive_complexity)] // See arti#2556

#![deny(clippy::debug_assert_with_mut_call)]

#![deny(clippy::exhaustive_enums)]

#![deny(clippy::exhaustive_structs)]

#![deny(clippy::expl_impl_clone_on_copy)]

#![deny(clippy::fallible_impl_from)]

#![deny(clippy::implicit_clone)]

#![deny(clippy::large_stack_arrays)]

#![warn(clippy::manual_ok_or)]

#![deny(clippy::missing_docs_in_private_items)]

#![warn(clippy::needless_borrow)]

#![warn(clippy::needless_pass_by_value)]

#![warn(clippy::option_option)]

#![warn(clippy::or_fun_call)]

#![deny(clippy::print_stderr)]

#![deny(clippy::print_stdout)]

#![warn(clippy::rc_buffer)]

#![deny(clippy::ref_option_ref)]

#![warn(clippy::semicolon_if_nothing_returned)]

#![warn(clippy::trait_duplication_in_bounds)]

#![deny(clippy::unchecked_time_subtraction)]

#![deny(clippy::unnecessary_wraps)]

#![warn(clippy::unseparated_literal_suffix)]

#![deny(clippy::unwrap_used)]

#![deny(clippy::mod_module_files)]

#![allow(clippy::let_unit_value)] // This can reasonably be done for explicitness

#![allow(clippy::uninlined_format_args)]

#![allow(clippy::significant_drop_in_scrutinee)] // arti/-/merge_requests/588/#note_2812945

#![allow(clippy::result_large_err)] // temporary workaround for arti#587

#![allow(clippy::needless_raw_string_hashes)] // complained-about code is fine, often best

#![allow(clippy::needless_lifetimes)] // See arti#1765

#![allow(mismatched_lifetime_syntaxes)] // temporary workaround for arti#2060

#![allow(clippy::collapsible_if)] // See arti#2342

#![deny(clippy::unused_async)]

#![deny(clippy::string_slice)] // See arti#2571

#![allow(recursion_depth_exceeding_limit)] // arti#2715, rust/issues/159228

//! <!-- @@ end lint list maintained by maint/add_warning @@ -->

#![allow(dead_code, unused_variables)]

use rand::RngExt;

mod macros;

#[cfg(feature = "ope")]

pub mod ope;

pub mod ops;

pub mod pk;

pub mod pow;

pub mod time;

use macros::define_bytes;

#[cfg(feature = "memquota-memcost")]

use {derive_deftly::Deftly, tor_memquota::derive_deftly_template_HasMemoryCost};

define_bytes! {

/// A value to identify an onion service during a given period. (`N_hs_subcred`)

///

/// This is computed from the onion service's public ID and the blinded ID for

/// the current time period.

///

/// Given this piece of information, the original public ID and blinded ID cannot

/// be re-derived.

#[derive(Copy, Clone, Debug)]

pub struct Subcredential([u8; 32]);

}

/// Counts which revision of an onion service descriptor is which, within a

/// given time period.

///

/// There can be gaps in this numbering. A descriptor with a higher-valued

/// revision counter supersedes one with a lower revision counter.

#[derive(

    Copy,

    Clone,

    Debug,

    Ord,

    PartialOrd,

    Eq,

    PartialEq,

    derive_more::Deref,

    derive_more::From,

    derive_more::Into,

)]

pub struct RevisionCounter(u64);

/// Default number of introduction points a service should establish

///

/// Default value for `[NUM_INTRO_POINT]`, rend-spec-v3 2.5.4.

//

// TODO arguably these aren't "crypto" so should be in some currently non-existent tor-hscommon

pub const NUM_INTRO_POINT_DEF: usize = 3;

/// Maximum number of introduction points a service should establish and we should tolerate

///

/// Maximum value for `[NUM_INTRO_POINT]`, rend-spec-v3 2.5.4.

pub const NUM_INTRO_POINT_MAX: usize = 20;

/// Length of a `RENDEZVOUS` cookie

const REND_COOKIE_LEN: usize = 20;

define_bytes! {

/// An opaque value `RENDEZVOUS_COOKIE` used at a rendezvous point to match clients and services.

///

/// See rend-spec-v3 s4.1.

///

/// The client includes this value to the rendezvous point in its

/// `ESTABLISH_RENDEZVOUS` message; the service later provides the same value in its

/// `RENDEZVOUS1` message.

#[derive(Copy, Clone, Debug, Eq, PartialEq)]

#[cfg_attr(

    feature = "memquota-memcost",

    derive(Deftly),

    derive_deftly(HasMemoryCost),

)]

pub struct RendCookie([u8; REND_COOKIE_LEN]);

}

impl rand::distr::Distribution<RendCookie> for rand::distr::StandardUniform {

}