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test: refactor test-crypto-padding-aes256 #10622

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test: refactor test-crypto-padding-aes256 #10622

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20 changes: 10 additions & 10 deletions test/parallel/test-crypto-padding-aes256.js
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Original file line number Diff line number Diff line change
Expand Up @@ -11,37 +11,37 @@ const crypto = require('crypto');
crypto.DEFAULT_ENCODING = 'buffer';

function aes256(decipherFinal) {
var iv = Buffer.from('00000000000000000000000000000000', 'hex');
var key = Buffer.from('0123456789abcdef0123456789abcdef' +
'0123456789abcdef0123456789abcdef', 'hex');
const iv = Buffer.from('00000000000000000000000000000000', 'hex');
const key = Buffer.from('0123456789abcdef0123456789abcdef' +
'0123456789abcdef0123456789abcdef', 'hex');

function encrypt(val, pad) {
var c = crypto.createCipheriv('aes256', key, iv);
const c = crypto.createCipheriv('aes256', key, iv);
c.setAutoPadding(pad);
return c.update(val, 'utf8', 'latin1') + c.final('latin1');
}

function decrypt(val, pad) {
var c = crypto.createDecipheriv('aes256', key, iv);
const c = crypto.createDecipheriv('aes256', key, iv);
c.setAutoPadding(pad);
return c.update(val, 'latin1', 'utf8') + c[decipherFinal]('utf8');
}

// echo 0123456789abcdef0123456789abcdef \
// | openssl enc -e -aes256 -nopad -K <key> -iv <iv> \
// | openssl enc -d -aes256 -nopad -K <key> -iv <iv>
var plaintext = '0123456789abcdef0123456789abcdef'; // multiple of block size
var encrypted = encrypt(plaintext, false);
var decrypted = decrypt(encrypted, false);
assert.equal(decrypted, plaintext);
let plaintext = '0123456789abcdef0123456789abcdef'; // multiple of block size
let encrypted = encrypt(plaintext, false);
let decrypted = decrypt(encrypted, false);
assert.strictEqual(decrypted, plaintext);

// echo 0123456789abcdef0123456789abcde \
// | openssl enc -e -aes256 -K <key> -iv <iv> \
// | openssl enc -d -aes256 -K <key> -iv <iv>
plaintext = '0123456789abcdef0123456789abcde'; // not a multiple
encrypted = encrypt(plaintext, true);
decrypted = decrypt(encrypted, true);
assert.equal(decrypted, plaintext);
assert.strictEqual(decrypted, plaintext);
}

aes256('final');
Expand Down