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095be6a01f
Simple method for retrieving basic information about a cipher (such as block length, expected or default iv length, key length, etc) Signed-off-by: James M Snell <jasnell@gmail.com> Fixes: https://github.com/nodejs/node/issues/22304 PR-URL: https://github.com/nodejs/node/pull/35368 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
71 lines
1.9 KiB
JavaScript
71 lines
1.9 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 {
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getCiphers,
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getCipherInfo
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} = require('crypto');
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const assert = require('assert');
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const ciphers = getCiphers();
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assert.strictEqual(getCipherInfo(-1), undefined);
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assert.strictEqual(getCipherInfo('cipher that does not exist'), undefined);
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ciphers.forEach((cipher) => {
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const info = getCipherInfo(cipher);
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assert(info);
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const info2 = getCipherInfo(info.nid);
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assert.deepStrictEqual(info, info2);
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});
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const info = getCipherInfo('aes-128-cbc');
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assert.strictEqual(info.name, 'aes-128-cbc');
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assert.strictEqual(info.nid, 419);
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assert.strictEqual(info.blockSize, 16);
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assert.strictEqual(info.ivLength, 16);
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assert.strictEqual(info.keyLength, 16);
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assert.strictEqual(info.mode, 'cbc');
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[null, undefined, [], {}].forEach((arg) => {
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assert.throws(() => getCipherInfo(arg), {
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code: 'ERR_INVALID_ARG_TYPE'
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});
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});
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[null, '', 1, true].forEach((options) => {
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assert.throws(
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() => getCipherInfo('aes-192-cbc', options), {
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code: 'ERR_INVALID_ARG_TYPE'
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});
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});
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[null, '', {}, [], true].forEach((len) => {
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assert.throws(
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() => getCipherInfo('aes-192-cbc', { keyLength: len }), {
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code: 'ERR_INVALID_ARG_TYPE'
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});
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assert.throws(
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() => getCipherInfo('aes-192-cbc', { ivLength: len }), {
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code: 'ERR_INVALID_ARG_TYPE'
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});
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});
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assert(!getCipherInfo('aes-128-cbc', { keyLength: 12 }));
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assert(getCipherInfo('aes-128-cbc', { keyLength: 16 }));
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assert(!getCipherInfo('aes-128-cbc', { ivLength: 12 }));
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assert(getCipherInfo('aes-128-cbc', { ivLength: 16 }));
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assert(!getCipherInfo('aes-128-ccm', { ivLength: 1 }));
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assert(!getCipherInfo('aes-128-ccm', { ivLength: 14 }));
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for (let n = 7; n <= 13; n++)
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assert(getCipherInfo('aes-128-ccm', { ivLength: n }));
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assert(!getCipherInfo('aes-128-ocb', { ivLength: 16 }));
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for (let n = 1; n < 16; n++)
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assert(getCipherInfo('aes-128-ocb', { ivLength: n }));
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