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90 lines
2.3 KiB
C++
90 lines
2.3 KiB
C++
// Copyright 2016 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "net/der/encode_values.h"
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#include "base/time/time.h"
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#include "net/der/parse_values.h"
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namespace net {
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namespace der {
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namespace {
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bool WriteFourDigit(uint16_t value, uint8_t out[4]) {
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if (value >= 10000)
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return false;
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out[3] = '0' + (value % 10);
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value /= 10;
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out[2] = '0' + (value % 10);
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value /= 10;
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out[1] = '0' + (value % 10);
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value /= 10;
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out[0] = '0' + value;
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return true;
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}
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bool WriteTwoDigit(uint8_t value, uint8_t out[2]) {
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if (value >= 100)
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return false;
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out[0] = '0' + (value / 10);
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out[1] = '0' + (value % 10);
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return true;
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}
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} // namespace
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bool EncodeTimeAsGeneralizedTime(const base::Time& time,
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GeneralizedTime* generalized_time) {
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base::Time::Exploded exploded;
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time.UTCExplode(&exploded);
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if (!exploded.HasValidValues())
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return false;
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generalized_time->year = exploded.year;
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generalized_time->month = exploded.month;
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generalized_time->day = exploded.day_of_month;
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generalized_time->hours = exploded.hour;
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generalized_time->minutes = exploded.minute;
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generalized_time->seconds = exploded.second;
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return true;
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}
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bool EncodeGeneralizedTime(const GeneralizedTime& time,
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uint8_t out[kGeneralizedTimeLength]) {
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if (!WriteFourDigit(time.year, out) || !WriteTwoDigit(time.month, out + 4) ||
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!WriteTwoDigit(time.day, out + 6) ||
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!WriteTwoDigit(time.hours, out + 8) ||
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!WriteTwoDigit(time.minutes, out + 10) ||
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!WriteTwoDigit(time.seconds, out + 12)) {
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return false;
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}
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out[14] = 'Z';
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return true;
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}
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bool EncodeUTCTime(const GeneralizedTime& time, uint8_t out[kUTCTimeLength]) {
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if (!time.InUTCTimeRange())
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return false;
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uint16_t year = time.year - 1900;
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if (year >= 100)
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year -= 100;
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if (!WriteTwoDigit(year, out) || !WriteTwoDigit(time.month, out + 2) ||
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!WriteTwoDigit(time.day, out + 4) ||
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!WriteTwoDigit(time.hours, out + 6) ||
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!WriteTwoDigit(time.minutes, out + 8) ||
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!WriteTwoDigit(time.seconds, out + 10)) {
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return false;
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}
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out[12] = 'Z';
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return true;
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}
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} // namespace der
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} // namespace net
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