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Текущая директория: /usr/lib/node_modules/bitgo/node_modules/asmcrypto.js/src/rsa

Просмотр файла: exports-pss-sha256.js

/**
 * RSA-PSS-SHA256 exports
 */

import { get_sha256_instance } from '../hash/sha256/sha256';
import { RSA_PSS } from './pkcs1';
import { SecurityError } from '../errors';

function rsa_pss_sha256_sign_bytes(data, key, slen) {
  if (data === undefined) throw new SyntaxError('data required');
  if (key === undefined) throw new SyntaxError('key required');
  return new RSA_PSS({ hash: get_sha256_instance(), key: key, saltLength: slen }).sign(data).result;
}

function rsa_pss_sha256_verify_bytes(signature, data, key, slen) {
  if (signature === undefined) throw new SyntaxError('signature required');
  if (data === undefined) throw new SyntaxError('data required');
  if (key === undefined) throw new SyntaxError('key required');
  try {
    new RSA_PSS({ hash: get_sha256_instance(), key: key, saltLength: slen }).verify(signature, data);
    return true;
  } catch (e) {
    if (!(e instanceof SecurityError)) throw e;
  }
  return false;
}

export var RSA_PSS_SHA256 = {
  sign: rsa_pss_sha256_sign_bytes,
  verify: rsa_pss_sha256_verify_bytes,
};

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