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43 lines
1.3 KiB
43 lines
1.3 KiB
'use strict';
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var nativeImpl = require('crypto');
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var checkParameters = require('./lib/precondition');
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var defaultEncoding = require('./lib/default-encoding');
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var toBuffer = require('./lib/to-buffer');
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function nativePBKDF2(password, salt, iterations, keylen, digest, callback) {
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checkParameters(iterations, keylen);
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password = toBuffer(password, defaultEncoding, 'Password');
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salt = toBuffer(salt, defaultEncoding, 'Salt');
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if (typeof digest === 'function') {
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callback = digest;
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digest = 'sha1';
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}
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if (typeof callback !== 'function') {
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throw new Error('No callback provided to pbkdf2');
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}
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return nativeImpl.pbkdf2(password, salt, iterations, keylen, digest, callback);
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}
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function nativePBKDF2Sync(password, salt, iterations, keylen, digest) {
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checkParameters(iterations, keylen);
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password = toBuffer(password, defaultEncoding, 'Password');
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salt = toBuffer(salt, defaultEncoding, 'Salt');
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digest = digest || 'sha1';
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return nativeImpl.pbkdf2Sync(password, salt, iterations, keylen, digest);
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}
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/* istanbul ignore next */
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if (!nativeImpl.pbkdf2Sync || nativeImpl.pbkdf2Sync.toString().indexOf('keylen, digest') === -1) {
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/* eslint global-require: 0 */
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exports.pbkdf2Sync = require('./lib/sync');
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exports.pbkdf2 = require('./lib/async');
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// native
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} else {
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exports.pbkdf2Sync = nativePBKDF2Sync;
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exports.pbkdf2 = nativePBKDF2;
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}
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