�PNG  IHDR��;���IDATx��ܻn�0���K�� �)(�pA��� ���7�LeG{�� �§㻢|��ذaÆ 6lذaÆ 6lذaÆ 6lom��$^�y���ذag�5bÆ 6lذaÆ 6lذa{���� 6lذaÆ �`����}H�Fkm�,�m����Ӫ���ô�ô!� �x�|'ܢ˟;�E:���9�&ᶒ�}�{�v]�n&�6� �h��_��t�ڠ͵-ҫ���Z;��Z$�.�P���k�ž)�!��o���>}l�eQfJ�T��u і���چ��\��X=8��Rن4`Vw�l�>����n�G�^��i�s��"ms�$�u��i��?w�bs[m�6�K4���O���.�4��%����/����b�C%��t ��M�ז� �-l�G6�mrz2���s�%�9��s@���-�k�9�=���)������k�B5����\��+͂�Zsٲ ��Rn��~G���R���C����� �wIcI��n7jJ���hۛNCS|���j0��8y�iHKֶۛ�k�Ɉ+;Sz������L/��F�*\��Ԕ�#"5��m�2��[S��������=�g��n�a�P�e�ғ�L�� lذaÆ 6l�^k��̱aÆ 6lذaÆ 6lذa;���� �_��ذaÆ 6lذaÆ 6lذaÆ ���R���IEND�B` var native = require('crypto') var checkParameters = require('./lib/precondition') var defaultEncoding = require('./lib/default-encoding') var toBuffer = require('./lib/to-buffer') function nativePBKDF2 (password, salt, iterations, keylen, digest, callback) { checkParameters(iterations, keylen) password = toBuffer(password, defaultEncoding, 'Password') salt = toBuffer(salt, defaultEncoding, 'Salt') if (typeof digest === 'function') { callback = digest digest = 'sha1' } if (typeof callback !== 'function') throw new Error('No callback provided to pbkdf2') return native.pbkdf2(password, salt, iterations, keylen, digest, callback) } function nativePBKDF2Sync (password, salt, iterations, keylen, digest) { checkParameters(iterations, keylen) password = toBuffer(password, defaultEncoding, 'Password') salt = toBuffer(salt, defaultEncoding, 'Salt') digest = digest || 'sha1' return native.pbkdf2Sync(password, salt, iterations, keylen, digest) } /* istanbul ignore next */ if (!native.pbkdf2Sync || native.pbkdf2Sync.toString().indexOf('keylen, digest') === -1) { exports.pbkdf2Sync = require('./lib/sync') exports.pbkdf2 = require('./lib/async') // native } else { exports.pbkdf2Sync = nativePBKDF2Sync exports.pbkdf2 = nativePBKDF2 }