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https://github.com/crypto-pro-web/crypto-pro-js.git
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72 lines
2.5 KiB
TypeScript
72 lines
2.5 KiB
TypeScript
import { _afterPluginsLoaded } from '../helpers/_afterPluginsLoaded';
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import { _extractMeaningfulErrorMessage } from '../helpers/_extractMeaningfulErrorMessage';
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import { __cadesAsyncToken__, __createCadesPluginObject__, _generateCadesFn } from '../helpers/_generateCadesFn';
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type Algorithm =
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| 'GOST_3411'
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| 'GOST_3411_2012_256'
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| 'GOST_3411_2012_512'
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| 'GOST_3411_HMAC'
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| 'GOST_3411_2012_256_HMAC'
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| 'GOST_3411_2012_512_HMAC';
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/**
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* Создает хэш сообщения по ГОСТ Р 34.11
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* https://ru.wikipedia.org/wiki/%D0%A1%D1%82%D1%80%D0%B8%D0%B1%D0%BE%D0%B3_(%D1%85%D0%B5%D1%88-%D1%84%D1%83%D0%BD%D0%BA%D1%86%D0%B8%D1%8F)
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*
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* @param unencryptedMessage - сообщение для хеширования
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* @param algorithm - один из алгоритмов хеширования:
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* GOST_3411
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* GOST_3411_2012_256
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* GOST_3411_2012_512 - по умолчанию
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* GOST_3411_HMAC
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* GOST_3411_2012_256_HMAC
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* GOST_3411_2012_512_HMAC
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*
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* @returns хэш
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*/
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export const createHash = _afterPluginsLoaded(
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async (unencryptedMessage: string | ArrayBuffer, algorithm: Algorithm = 'GOST_3411_2012_512'): Promise<string> => {
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const { cadesplugin } = window;
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return eval(
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_generateCadesFn(function createHash(): string {
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const cadesHashedData = __cadesAsyncToken__ + __createCadesPluginObject__('CAdESCOM.HashedData');
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let messageBase64;
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let hash;
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try {
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messageBase64 = Buffer.from(unencryptedMessage).toString('base64');
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} catch (error) {
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console.error(error);
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throw new Error('Ошибка при преобразовании сообщения в Base64');
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}
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try {
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void (
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__cadesAsyncToken__ +
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cadesHashedData.propset_Algorithm(cadesplugin['CADESCOM_HASH_ALGORITHM_CP_' + algorithm])
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);
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void (__cadesAsyncToken__ + cadesHashedData.propset_DataEncoding(cadesplugin.CADESCOM_BASE64_TO_BINARY));
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void (__cadesAsyncToken__ + cadesHashedData.Hash(messageBase64));
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} catch (error) {
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console.error(error);
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throw new Error(_extractMeaningfulErrorMessage(error) || 'Ошибка при инициализации хэширования');
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}
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try {
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hash = __cadesAsyncToken__ + cadesHashedData.Value;
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} catch (error) {
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console.error(error);
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throw new Error(_extractMeaningfulErrorMessage(error) || 'Ошибка при создании хэша');
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}
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return hash;
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}),
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);
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},
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);
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