Trait subtle::ConditionallySelectable

pub trait ConditionallySelectable {
    fn conditional_select(a: &Self, b: &Self, choice: Choice) -> Self;
}

Select one of two inputs according to a Choice in constant time.

Examples

use subtle::ConditionallySelectable;
use subtle::Choice;
let a: i32 = 5;
let b: i32 = 13;

assert_eq!(i32::conditional_select(&a, &b, Choice::from(0)), a);
assert_eq!(i32::conditional_select(&a, &b, Choice::from(1)), b);

Required Methods

fn conditional_select(a: &Self, b: &Self, choice: Choice) -> Self

Select a or b according to choice.

Returns

• a if choice == Choice(0);
• b if choice == Choice(1).

This function should execute in constant time.

Implementations on Foreign Types

impl ConditionallySelectable for u8

fn conditional_select(a: &Self, b: &Self, choice: Choice) -> Self

impl ConditionallySelectable for i8

fn conditional_select(a: &Self, b: &Self, choice: Choice) -> Self

impl ConditionallySelectable for u16

fn conditional_select(a: &Self, b: &Self, choice: Choice) -> Self

impl ConditionallySelectable for i16

fn conditional_select(a: &Self, b: &Self, choice: Choice) -> Self

impl ConditionallySelectable for u32

fn conditional_select(a: &Self, b: &Self, choice: Choice) -> Self

impl ConditionallySelectable for i32

fn conditional_select(a: &Self, b: &Self, choice: Choice) -> Self

impl ConditionallySelectable for u64

fn conditional_select(a: &Self, b: &Self, choice: Choice) -> Self

impl ConditionallySelectable for i64

fn conditional_select(a: &Self, b: &Self, choice: Choice) -> Self

impl ConditionallySelectable for u128

fn conditional_select(a: &Self, b: &Self, choice: Choice) -> Self

impl ConditionallySelectable for i128

fn conditional_select(a: &Self, b: &Self, choice: Choice) -> Self

Implementors