1'use strict';
2
3const common = require('../common');
4if (!common.hasCrypto)
5  common.skip('missing crypto');
6
7const {
8  getCiphers,
9  getCipherInfo
10} = require('crypto');
11
12const assert = require('assert');
13
14const ciphers = getCiphers();
15
16assert.strictEqual(getCipherInfo(-1), undefined);
17assert.strictEqual(getCipherInfo('cipher that does not exist'), undefined);
18
19ciphers.forEach((cipher) => {
20  const info = getCipherInfo(cipher);
21  assert(info);
22  const info2 = getCipherInfo(info.nid);
23  assert.deepStrictEqual(info, info2);
24});
25
26const info = getCipherInfo('aes-128-cbc');
27assert.strictEqual(info.name, 'aes-128-cbc');
28assert.strictEqual(info.nid, 419);
29assert.strictEqual(info.blockSize, 16);
30assert.strictEqual(info.ivLength, 16);
31assert.strictEqual(info.keyLength, 16);
32assert.strictEqual(info.mode, 'cbc');
33
34[null, undefined, [], {}].forEach((arg) => {
35  assert.throws(() => getCipherInfo(arg), {
36    code: 'ERR_INVALID_ARG_TYPE'
37  });
38});
39
40[null, '', 1, true].forEach((options) => {
41  assert.throws(
42    () => getCipherInfo('aes-192-cbc', options), {
43      code: 'ERR_INVALID_ARG_TYPE'
44    });
45});
46
47[null, '', {}, [], true].forEach((len) => {
48  assert.throws(
49    () => getCipherInfo('aes-192-cbc', { keyLength: len }), {
50      code: 'ERR_INVALID_ARG_TYPE'
51    });
52  assert.throws(
53    () => getCipherInfo('aes-192-cbc', { ivLength: len }), {
54      code: 'ERR_INVALID_ARG_TYPE'
55    });
56});
57
58assert(!getCipherInfo('aes-128-cbc', { keyLength: 12 }));
59assert(getCipherInfo('aes-128-cbc', { keyLength: 16 }));
60assert(!getCipherInfo('aes-128-cbc', { ivLength: 12 }));
61assert(getCipherInfo('aes-128-cbc', { ivLength: 16 }));
62
63assert(!getCipherInfo('aes-128-ccm', { ivLength: 1 }));
64assert(!getCipherInfo('aes-128-ccm', { ivLength: 14 }));
65for (let n = 7; n <= 13; n++)
66  assert(getCipherInfo('aes-128-ccm', { ivLength: n }));
67
68assert(!getCipherInfo('aes-128-ocb', { ivLength: 16 }));
69for (let n = 1; n < 16; n++)
70  assert(getCipherInfo('aes-128-ocb', { ivLength: n }));
71