~aleteoryx/muditaos

ref: 280c5930a3c2bb76faf1a353e26762bd761e0982 muditaos/module-apps/application-desktop/widgets/PinHash.hpp -rw-r--r-- 717 bytes
280c5930 — Marcin Smoczyński Merge branch 'master' into stable 5 years ago
                                                                                
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
// Copyright (c) 2017-2020, Mudita Sp. z.o.o. All rights reserved.
// For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md

#pragma once

#include <cstdint>
#include <vector>
#include <functional>

template <> struct std::hash<std::vector<unsigned int>>
{
    const static unsigned int digit_multiplier = 10;
    uint32_t operator()(std::vector<unsigned int> const &pin) const noexcept
    {
        uint32_t value = 0;
        for (auto i : pin) {
            value = digit_multiplier * value + i;
        }
        return value;
    }
};

static inline uint32_t GetPinHash(const std::vector<unsigned int> &pin)
{
    static std::hash<std::vector<unsigned int>> hashEngine;
    return hashEngine(pin);
}