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crypto: add test case for AES key wrapping #20587

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crypto: add test case for AES key wrapping #20587

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2 changes: 1 addition & 1 deletion src/node_crypto.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -2998,7 +2998,7 @@ CipherBase::UpdateResult CipherBase::Update(const char* data,
int buff_len = len + EVP_CIPHER_CTX_block_size(ctx_.get());
// For key wrapping algorithms, get output size by calling
// EVP_CipherUpdate() with null output.
if (mode == EVP_CIPH_WRAP_MODE &&
if (kind_ == kCipher && mode == EVP_CIPH_WRAP_MODE &&
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Is this change intended? If so, this likely should be a different commit.

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@jasnell this is needed. Sorry the title of this commit is a little misleading but I explained that I need the code change in the description

EVP_CipherUpdate(ctx_.get(),
nullptr,
&buff_len,
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62 changes: 62 additions & 0 deletions test/parallel/test-crypto-aes-wrap.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,62 @@
'use strict';
const common = require('../common');
if (!common.hasCrypto)
common.skip('missing crypto');

const assert = require('assert');
const crypto = require('crypto');

const test = [
{
algorithm: 'aes128-wrap',
key: 'b26f309fbe57e9b3bb6ae5ef31d54450',
iv: '3fd838af4093d749',
text: '12345678123456781234567812345678'
},
{
algorithm: 'id-aes128-wrap-pad',
key: 'b26f309fbe57e9b3bb6ae5ef31d54450',
iv: '3fd838af',
text: '12345678123456781234567812345678123'
},
{
algorithm: 'aes192-wrap',
key: '40978085d68091f7dfca0d7dfc7a5ee76d2cc7f2f345a304',
iv: '3fd838af4093d749',
text: '12345678123456781234567812345678'
},
{
algorithm: 'id-aes192-wrap-pad',
key: '40978085d68091f7dfca0d7dfc7a5ee76d2cc7f2f345a304',
iv: '3fd838af',
text: '12345678123456781234567812345678123'
},
{
algorithm: 'aes256-wrap',
key: '29c9eab5ed5ad44134a1437fe2e673b4d88a5b7c72e68454fea08721392b7323',
iv: '3fd838af4093d749',
text: '12345678123456781234567812345678'
},
{
algorithm: 'id-aes256-wrap-pad',
key: '29c9eab5ed5ad44134a1437fe2e673b4d88a5b7c72e68454fea08721392b7323',
iv: '3fd838af',
text: '12345678123456781234567812345678123'
},
];

test.forEach((data) => {
const cipher = crypto.createCipheriv(
data.algorithm,
Buffer.from(data.key, 'hex'),
Buffer.from(data.iv, 'hex'));
const ciphertext = cipher.update(data.text, 'utf8');

const decipher = crypto.createDecipheriv(
data.algorithm,
Buffer.from(data.key, 'hex'),
Buffer.from(data.iv, 'hex'));
const msg = decipher.update(ciphertext, 'buffer', 'utf8');

assert.strictEqual(msg, data.text, `${data.algorithm} test case failed`);
});