224 lines
7.5 KiB
JavaScript
224 lines
7.5 KiB
JavaScript
'use strict';
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const common = require('../common');
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if (!common.hasCrypto)
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common.skip('missing crypto');
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const assert = require('assert');
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const crypto = require('crypto');
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function testCipher1(key, iv) {
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// Test encryption and decryption with explicit key and iv
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const plaintext =
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'32|RmVZZkFUVmpRRkp0TmJaUm56ZU9qcnJkaXNNWVNpTTU*|iXmckfRWZBGWWELw' +
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'eCBsThSsfUHLeRe0KCsK8ooHgxie0zOINpXxfZi/oNG7uq9JWFVCk70gfzQH8ZUJ' +
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'jAfaFg**';
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const cipher = crypto.createCipheriv('des-ede3-cbc', key, iv);
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let ciph = cipher.update(plaintext, 'utf8', 'hex');
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ciph += cipher.final('hex');
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const decipher = crypto.createDecipheriv('des-ede3-cbc', key, iv);
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let txt = decipher.update(ciph, 'hex', 'utf8');
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txt += decipher.final('utf8');
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assert.strictEqual(txt, plaintext,
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`encryption/decryption with key ${key} and iv ${iv}`);
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// Streaming cipher interface
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// NB: In real life, it's not guaranteed that you can get all of it
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// in a single read() like this. But in this case, we know it's
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// quite small, so there's no harm.
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const cStream = crypto.createCipheriv('des-ede3-cbc', key, iv);
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cStream.end(plaintext);
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ciph = cStream.read();
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const dStream = crypto.createDecipheriv('des-ede3-cbc', key, iv);
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dStream.end(ciph);
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txt = dStream.read().toString('utf8');
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assert.strictEqual(txt, plaintext,
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`streaming cipher with key ${key} and iv ${iv}`);
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}
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function testCipher2(key, iv) {
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// Test encryption and decryption with explicit key and iv
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const plaintext =
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'32|RmVZZkFUVmpRRkp0TmJaUm56ZU9qcnJkaXNNWVNpTTU*|iXmckfRWZBGWWELw' +
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'eCBsThSsfUHLeRe0KCsK8ooHgxie0zOINpXxfZi/oNG7uq9JWFVCk70gfzQH8ZUJ' +
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'jAfaFg**';
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const cipher = crypto.createCipheriv('des-ede3-cbc', key, iv);
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let ciph = cipher.update(plaintext, 'utf8', 'buffer');
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ciph = Buffer.concat([ciph, cipher.final('buffer')]);
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const decipher = crypto.createDecipheriv('des-ede3-cbc', key, iv);
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let txt = decipher.update(ciph, 'buffer', 'utf8');
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txt += decipher.final('utf8');
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assert.strictEqual(txt, plaintext,
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`encryption/decryption with key ${key} and iv ${iv}`);
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}
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function testCipher3(key, iv) {
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// Test encryption and decryption with explicit key and iv.
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// AES Key Wrap test vector comes from RFC3394
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const plaintext = Buffer.from('00112233445566778899AABBCCDDEEFF', 'hex');
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const cipher = crypto.createCipheriv('id-aes128-wrap', key, iv);
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let ciph = cipher.update(plaintext, 'utf8', 'buffer');
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ciph = Buffer.concat([ciph, cipher.final('buffer')]);
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const ciph2 = Buffer.from('1FA68B0A8112B447AEF34BD8FB5A7B829D3E862371D2CFE5',
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'hex');
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assert(ciph.equals(ciph2));
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const decipher = crypto.createDecipheriv('id-aes128-wrap', key, iv);
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let deciph = decipher.update(ciph, 'buffer');
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deciph = Buffer.concat([deciph, decipher.final()]);
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assert(deciph.equals(plaintext),
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`encryption/decryption with key ${key} and iv ${iv}`);
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}
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{
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const Cipheriv = crypto.Cipheriv;
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const key = '123456789012345678901234';
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const iv = '12345678';
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const instance = Cipheriv('des-ede3-cbc', key, iv);
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assert(instance instanceof Cipheriv, 'Cipheriv is expected to return a new ' +
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'instance when called without `new`');
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assert.throws(
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() => crypto.createCipheriv(null),
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{
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code: 'ERR_INVALID_ARG_TYPE',
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name: 'TypeError',
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message: 'The "cipher" argument must be of type string. ' +
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'Received null'
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});
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assert.throws(
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() => crypto.createCipheriv('des-ede3-cbc', null),
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{
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code: 'ERR_INVALID_ARG_TYPE',
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name: 'TypeError',
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message: 'The "key" argument must be of type string or an instance of ' +
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'Buffer, TypedArray, DataView, or KeyObject. Received null'
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});
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assert.throws(
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() => crypto.createCipheriv('des-ede3-cbc', key, 10),
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{
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code: 'ERR_INVALID_ARG_TYPE',
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name: 'TypeError',
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message: 'The "iv" argument must be of type string or an instance of ' +
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'Buffer, TypedArray, or DataView. Received type number (10)'
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});
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}
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{
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const Decipheriv = crypto.Decipheriv;
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const key = '123456789012345678901234';
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const iv = '12345678';
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const instance = Decipheriv('des-ede3-cbc', key, iv);
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assert(instance instanceof Decipheriv, 'Decipheriv expected to return a new' +
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' instance when called without `new`');
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assert.throws(
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() => crypto.createDecipheriv(null),
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{
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code: 'ERR_INVALID_ARG_TYPE',
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name: 'TypeError',
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message: 'The "cipher" argument must be of type string. ' +
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'Received null'
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});
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assert.throws(
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() => crypto.createDecipheriv('des-ede3-cbc', null),
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{
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code: 'ERR_INVALID_ARG_TYPE',
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name: 'TypeError',
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message: 'The "key" argument must be of type string or an instance of ' +
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'Buffer, TypedArray, DataView, or KeyObject. Received null'
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});
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assert.throws(
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() => crypto.createDecipheriv('des-ede3-cbc', key, 10),
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{
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code: 'ERR_INVALID_ARG_TYPE',
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name: 'TypeError',
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message: 'The "iv" argument must be of type string or an instance of ' +
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'Buffer, TypedArray, or DataView. Received type number (10)'
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});
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}
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testCipher1('0123456789abcd0123456789', '12345678');
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testCipher1('0123456789abcd0123456789', Buffer.from('12345678'));
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testCipher1(Buffer.from('0123456789abcd0123456789'), '12345678');
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testCipher1(Buffer.from('0123456789abcd0123456789'), Buffer.from('12345678'));
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testCipher2(Buffer.from('0123456789abcd0123456789'), Buffer.from('12345678'));
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if (!common.hasFipsCrypto) {
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testCipher3(Buffer.from('000102030405060708090A0B0C0D0E0F', 'hex'),
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Buffer.from('A6A6A6A6A6A6A6A6', 'hex'));
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}
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// Zero-sized IV or null should be accepted in ECB mode.
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crypto.createCipheriv('aes-128-ecb', Buffer.alloc(16), Buffer.alloc(0));
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crypto.createCipheriv('aes-128-ecb', Buffer.alloc(16), null);
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const errMessage = /Invalid IV length/;
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// But non-empty IVs should be rejected.
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for (let n = 1; n < 256; n += 1) {
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assert.throws(
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() => crypto.createCipheriv('aes-128-ecb', Buffer.alloc(16),
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Buffer.alloc(n)),
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errMessage);
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}
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// Correctly sized IV should be accepted in CBC mode.
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crypto.createCipheriv('aes-128-cbc', Buffer.alloc(16), Buffer.alloc(16));
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// But all other IV lengths should be rejected.
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for (let n = 0; n < 256; n += 1) {
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if (n === 16) continue;
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assert.throws(
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() => crypto.createCipheriv('aes-128-cbc', Buffer.alloc(16),
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Buffer.alloc(n)),
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errMessage);
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}
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// And so should null be.
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assert.throws(() => {
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crypto.createCipheriv('aes-128-cbc', Buffer.alloc(16), null);
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}, /Missing IV for cipher aes-128-cbc/);
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// Zero-sized IV should be rejected in GCM mode.
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assert.throws(
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() => crypto.createCipheriv('aes-128-gcm', Buffer.alloc(16),
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Buffer.alloc(0)),
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errMessage);
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// But all other IV lengths should be accepted.
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for (let n = 1; n < 256; n += 1) {
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if (common.hasFipsCrypto && n < 12) continue;
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crypto.createCipheriv('aes-128-gcm', Buffer.alloc(16), Buffer.alloc(n));
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}
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{
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// Passing an invalid cipher name should throw.
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assert.throws(
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() => crypto.createCipheriv('aes-127', Buffer.alloc(16), null),
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{
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name: 'Error',
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code: 'ERR_CRYPTO_UNKNOWN_CIPHER',
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message: 'Unknown cipher'
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});
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// Passing a key with an invalid length should throw.
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assert.throws(
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() => crypto.createCipheriv('aes-128-ecb', Buffer.alloc(17), null),
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/Invalid key length/);
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}
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