�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` # EVP\_BytesToKey [![NPM Package](https://img.shields.io/npm/v/evp_bytestokey.svg?style=flat-square)](https://www.npmjs.org/package/evp_bytestokey) [![Build Status](https://img.shields.io/travis/crypto-browserify/EVP_BytesToKey.svg?branch=master&style=flat-square)](https://travis-ci.org/crypto-browserify/EVP_BytesToKey) [![Dependency status](https://img.shields.io/david/crypto-browserify/EVP_BytesToKey.svg?style=flat-square)](https://david-dm.org/crypto-browserify/EVP_BytesToKey#info=dependencies) [![js-standard-style](https://cdn.rawgit.com/feross/standard/master/badge.svg)](https://github.com/feross/standard) The insecure [key derivation algorithm from OpenSSL.][1] **WARNING: DO NOT USE, except for compatibility reasons.** MD5 is insecure. Use at least `scrypt` or `pbkdf2-hmac-sha256` instead. ## API `EVP_BytesToKey(password, salt, keyLen, ivLen)` * `password` - `Buffer`, password used to derive the key data. * `salt` - 8 byte `Buffer` or `null`, salt is used as a salt in the derivation. * `keyBits` - `number`, key length in **bits**. * `ivLen` - `number`, iv length in bytes. *Returns*: `{ key: Buffer, iv: Buffer }` ## Examples MD5 with `aes-256-cbc`: ```js const crypto = require('crypto') const EVP_BytesToKey = require('evp_bytestokey') const result = EVP_BytesToKey( 'my-secret-password', null, 32, 16 ) // => // { key: , // iv: } const cipher = crypto.createCipheriv('aes-256-cbc', result.key, result.iv) ``` ## LICENSE [MIT](LICENSE) [1]: https://wiki.openssl.org/index.php/Manual:EVP_BytesToKey(3) [2]: https://nodejs.org/api/crypto.html#crypto_class_hash