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var Buffer = require('safe-buffer').Buffer |
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var CipherBase = require('./') |
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var test = require('tape') |
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var inherits = require('inherits') |
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test('basic version', function (t) { |
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function Cipher () { |
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CipherBase.call(this) |
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} |
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inherits(Cipher, CipherBase) |
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Cipher.prototype._update = function (input) { |
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t.ok(Buffer.isBuffer(input)) |
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return input |
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} |
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Cipher.prototype._final = function () { |
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// noop |
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} |
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var cipher = new Cipher() |
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var utf8 = 'abc123abcd' |
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var update = cipher.update(utf8, 'utf8', 'base64') + cipher.final('base64') |
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var string = (Buffer.from(update, 'base64')).toString() |
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t.equals(utf8, string) |
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t.end() |
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}) |
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test('hash mode', function (t) { |
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function Cipher () { |
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CipherBase.call(this, 'finalName') |
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this._cache = [] |
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} |
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inherits(Cipher, CipherBase) |
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Cipher.prototype._update = function (input) { |
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t.ok(Buffer.isBuffer(input)) |
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this._cache.push(input) |
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} |
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Cipher.prototype._final = function () { |
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return Buffer.concat(this._cache) |
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} |
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var cipher = new Cipher() |
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var utf8 = 'abc123abcd' |
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var update = cipher.update(utf8, 'utf8').finalName('base64') |
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var string = (Buffer.from(update, 'base64')).toString() |
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t.equals(utf8, string) |
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t.end() |
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}) |
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test('hash mode as stream', function (t) { |
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function Cipher () { |
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CipherBase.call(this, 'finalName') |
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this._cache = [] |
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} |
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inherits(Cipher, CipherBase) |
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Cipher.prototype._update = function (input) { |
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t.ok(Buffer.isBuffer(input)) |
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this._cache.push(input) |
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} |
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Cipher.prototype._final = function () { |
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return Buffer.concat(this._cache) |
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} |
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var cipher = new Cipher() |
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cipher.on('error', function (e) { |
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t.notOk(e) |
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}) |
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var utf8 = 'abc123abcd' |
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cipher.end(utf8, 'utf8') |
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var update = cipher.read().toString('base64') |
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var string = (Buffer.from(update, 'base64')).toString() |
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t.equals(utf8, string) |
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t.end() |
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}) |
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test('encodings', function (t) { |
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inherits(Cipher, CipherBase) |
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function Cipher () { |
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CipherBase.call(this) |
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} |
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Cipher.prototype._update = function (input) { |
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return input |
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} |
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Cipher.prototype._final = function () { |
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// noop |
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} |
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t.test('mix and match encoding', function (t) { |
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t.plan(2) |
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var cipher = new Cipher() |
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cipher.update('foo', 'utf8', 'utf8') |
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t.throws(function () { |
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cipher.update('foo', 'utf8', 'base64') |
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}) |
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cipher = new Cipher() |
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cipher.update('foo', 'utf8', 'base64') |
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t.doesNotThrow(function () { |
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cipher.update('foo', 'utf8') |
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cipher.final('base64') |
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}) |
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}) |
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t.test('handle long uft8 plaintexts', function (t) { |
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t.plan(1) |
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var txt = 'ふっかつ あきる すぶり はやい つける まゆげ たんさん みんぞく ねほりはほり せまい たいまつばな ひはん' |
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var cipher = new Cipher() |
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var decipher = new Cipher() |
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var enc = decipher.update(cipher.update(txt, 'utf8', 'base64'), 'base64', 'utf8') |
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enc += decipher.update(cipher.final('base64'), 'base64', 'utf8') |
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enc += decipher.final('utf8') |
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t.equals(txt, enc) |
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}) |
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})
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