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