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50 lines
1.4 KiB
50 lines
1.4 KiB
11 years ago
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// Crypto extensions
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//
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// PBKDF2 with SHA512
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var binding = require('bindings')('cryptox');
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exports.pbkdf2_sha512 = function(password, salt, iterations, keylen, callback) {
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if (typeof callback !== 'function')
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throw new Error('No callback provided to pbkdf2');
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return pbkdf2_sha512(password, salt, iterations, keylen, callback);
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};
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exports.pbkdf2Sync_sha512 = function(password, salt, iterations, keylen) {
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return pbkdf2_sha512(password, salt, iterations, keylen);
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};
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function toBuf(str, encoding) {
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encoding = encoding || 'binary';
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if (typeof str === 'string') {
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if (encoding === 'buffer')
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encoding = 'binary';
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str = new Buffer(str, encoding);
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}
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return str;
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}
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function pbkdf2_sha512(password, salt, iterations, keylen, callback) {
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password = toBuf(password);
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salt = toBuf(salt);
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if (exports.DEFAULT_ENCODING === 'buffer')
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return binding.PBKDF2(password, salt, iterations, keylen, callback);
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// at this point, we need to handle encodings.
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var encoding = exports.DEFAULT_ENCODING;
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if (callback) {
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binding.PBKDF2_sha512(password, salt, iterations, keylen, function(er, ret) {
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if (ret)
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ret = ret.toString(encoding);
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callback(er, ret);
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});
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} else {
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var ret = binding.PBKDF2_sha512(password, salt, iterations, keylen);
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//return ret.toString(encoding);
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return ret;
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}
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}
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