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test: improve test-crypto-rsa-dsa
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* use const and let instead of var
* use assert.strictEqual or assert.strictDeepEqual instead of assert.equal
* use arrow functions
* swap assertions arguments to match the standard
* validate the error for assert.throws

PR-URL: nodejs/node#10681
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: Luigi Pinca <[email protected]>
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@edsadr @targos
edsadr authored and targos committed Jun 19, 2017
1 parent 15b4be8 commit f40bd47
Showing 1 changed file with 35 additions and 35 deletions.
70 changes: 35 additions & 35 deletions test/parallel/test-crypto-rsa-dsa.js
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Original file line number Diff line number Diff line change
Expand Up @@ -26,6 +26,9 @@ const dsaKeyPem = fs.readFileSync(common.fixturesDir + '/test_dsa_privkey.pem',
const dsaKeyPemEncrypted = fs.readFileSync(
common.fixturesDir + '/test_dsa_privkey_encrypted.pem', 'ascii');

const decryptError = new RegExp('^Error: error:06065064:digital envelope ' +
'routines:EVP_DecryptFinal_ex:bad decrypt$');

// Test RSA encryption/decryption
{
const input = 'I AM THE WALRUS';
Expand All @@ -34,13 +37,13 @@ const dsaKeyPemEncrypted = fs.readFileSync(
let encryptedBuffer = crypto.publicEncrypt(rsaPubPem, bufferToEncrypt);

let decryptedBuffer = crypto.privateDecrypt(rsaKeyPem, encryptedBuffer);
assert.strictEqual(input, decryptedBuffer.toString());
assert.strictEqual(decryptedBuffer.toString(), input);

let decryptedBufferWithPassword = crypto.privateDecrypt({
key: rsaKeyPemEncrypted,
passphrase: 'password'
}, encryptedBuffer);
assert.strictEqual(input, decryptedBufferWithPassword.toString());
assert.strictEqual(decryptedBufferWithPassword.toString(), input);

encryptedBuffer = crypto.publicEncrypt({
key: rsaKeyPemEncrypted,
Expand All @@ -51,7 +54,7 @@ const dsaKeyPemEncrypted = fs.readFileSync(
key: rsaKeyPemEncrypted,
passphrase: 'password'
}, encryptedBuffer);
assert.strictEqual(input, decryptedBufferWithPassword.toString());
assert.strictEqual(decryptedBufferWithPassword.toString(), input);

encryptedBuffer = crypto.privateEncrypt({
key: rsaKeyPemEncrypted,
Expand All @@ -62,53 +65,53 @@ const dsaKeyPemEncrypted = fs.readFileSync(
key: rsaKeyPemEncrypted,
passphrase: Buffer.from('password')
}, encryptedBuffer);
assert.strictEqual(input, decryptedBufferWithPassword.toString());
assert.strictEqual(decryptedBufferWithPassword.toString(), input);

encryptedBuffer = crypto.publicEncrypt(certPem, bufferToEncrypt);

decryptedBuffer = crypto.privateDecrypt(keyPem, encryptedBuffer);
assert.strictEqual(input, decryptedBuffer.toString());
assert.strictEqual(decryptedBuffer.toString(), input);

encryptedBuffer = crypto.publicEncrypt(keyPem, bufferToEncrypt);

decryptedBuffer = crypto.privateDecrypt(keyPem, encryptedBuffer);
assert.strictEqual(input, decryptedBuffer.toString());
assert.strictEqual(decryptedBuffer.toString(), input);

encryptedBuffer = crypto.privateEncrypt(keyPem, bufferToEncrypt);

decryptedBuffer = crypto.publicDecrypt(keyPem, encryptedBuffer);
assert.strictEqual(input, decryptedBuffer.toString());
assert.strictEqual(decryptedBuffer.toString(), input);

assert.throws(function() {
assert.throws(() => {
crypto.privateDecrypt({
key: rsaKeyPemEncrypted,
passphrase: 'wrong'
}, bufferToEncrypt);
});
}, decryptError);

assert.throws(function() {
assert.throws(() => {
crypto.publicEncrypt({
key: rsaKeyPemEncrypted,
passphrase: 'wrong'
}, encryptedBuffer);
});
}, decryptError);

encryptedBuffer = crypto.privateEncrypt({
key: rsaKeyPemEncrypted,
passphrase: Buffer.from('password')
}, bufferToEncrypt);

assert.throws(function() {
assert.throws(() => {
crypto.publicDecrypt({
key: rsaKeyPemEncrypted,
passphrase: [].concat.apply([], Buffer.from('password'))
}, encryptedBuffer);
});
}, decryptError);
}

function test_rsa(padding) {
const input = Buffer
.allocUnsafe(padding === 'RSA_NO_PADDING' ? 1024 / 8 : 32);
const size = (padding === 'RSA_NO_PADDING') ? 1024 / 8 : 32;
const input = Buffer.allocUnsafe(size);
for (let i = 0; i < input.length; i++)
input[i] = (i * 7 + 11) & 0xff;
const bufferToEncrypt = Buffer.from(input);
Expand All @@ -124,7 +127,7 @@ function test_rsa(padding) {
key: rsaKeyPem,
padding: padding
}, encryptedBuffer);
assert.strictEqual(input.toString(), decryptedBuffer.toString());
assert.deepStrictEqual(decryptedBuffer, input);
}

test_rsa('RSA_NO_PADDING');
Expand All @@ -137,42 +140,39 @@ let rsaVerify = crypto.createVerify('RSA-SHA1');
assert.ok(rsaSign);
assert.ok(rsaVerify);

const expectedSignature =
'5c50e3145c4e2497aadb0eabc83b342d0b0021ece0d4c4a064b7c' +
'8f020d7e2688b122bfb54c724ac9ee169f83f66d2fe90abeb95e8' +
'e1290e7e177152a4de3d944cf7d4883114a20ed0f78e70e25ef0f' +
'60f06b858e6af42a2f276ede95bbc6bc9a9bbdda15bd663186a6f' +
'40819a7af19e577bb2efa5e579a1f5ce8a0d4ca8b8f6';

rsaSign.update(rsaPubPem);
let rsaSignature = rsaSign.sign(rsaKeyPem, 'hex');
assert.strictEqual(rsaSignature,
'5c50e3145c4e2497aadb0eabc83b342d0b0021ece0d4c4a064b7c' +
'8f020d7e2688b122bfb54c724ac9ee169f83f66d2fe90abeb95e8' +
'e1290e7e177152a4de3d944cf7d4883114a20ed0f78e70e25ef0f' +
'60f06b858e6af42a2f276ede95bbc6bc9a9bbdda15bd663186a6f' +
'40819a7af19e577bb2efa5e579a1f5ce8a0d4ca8b8f6');
assert.strictEqual(rsaSignature, expectedSignature);

rsaVerify.update(rsaPubPem);
assert.strictEqual(rsaVerify.verify(rsaPubPem, rsaSignature, 'hex'), true);

// Test RSA key signing/verification with encrypted key
rsaSign = crypto.createSign('RSA-SHA1');
rsaSign.update(rsaPubPem);
assert.doesNotThrow(function() {
assert.doesNotThrow(() => {
const signOptions = { key: rsaKeyPemEncrypted, passphrase: 'password' };
rsaSignature = rsaSign.sign(signOptions, 'hex');
});
assert.strictEqual(rsaSignature,
'5c50e3145c4e2497aadb0eabc83b342d0b0021ece0d4c4a064b7c' +
'8f020d7e2688b122bfb54c724ac9ee169f83f66d2fe90abeb95e8' +
'e1290e7e177152a4de3d944cf7d4883114a20ed0f78e70e25ef0f' +
'60f06b858e6af42a2f276ede95bbc6bc9a9bbdda15bd663186a6f' +
'40819a7af19e577bb2efa5e579a1f5ce8a0d4ca8b8f6');
assert.strictEqual(rsaSignature, expectedSignature);

rsaVerify = crypto.createVerify('RSA-SHA1');
rsaVerify.update(rsaPubPem);
assert.strictEqual(rsaVerify.verify(rsaPubPem, rsaSignature, 'hex'), true);

rsaSign = crypto.createSign('RSA-SHA1');
rsaSign.update(rsaPubPem);
assert.throws(function() {
assert.throws(() => {
const signOptions = { key: rsaKeyPemEncrypted, passphrase: 'wrong' };
rsaSign.sign(signOptions, 'hex');
});
}, decryptError);

//
// Test RSA signing and verification
Expand All @@ -197,7 +197,7 @@ assert.throws(function() {
sign.update(input);

const output = sign.sign(privateKey, 'hex');
assert.strictEqual(output, signature);
assert.strictEqual(signature, output);

const verify = crypto.createVerify('RSA-SHA256');
verify.update(input);
Expand Down Expand Up @@ -233,9 +233,9 @@ const input = 'I AM THE WALRUS';
{
const sign = crypto.createSign('DSS1');
sign.update(input);
assert.throws(function() {
assert.throws(() => {
sign.sign({ key: dsaKeyPemEncrypted, passphrase: 'wrong' }, 'hex');
});
}, decryptError);
}

{
Expand All @@ -245,7 +245,7 @@ const input = 'I AM THE WALRUS';
sign.update(input);

let signature;
assert.doesNotThrow(function() {
assert.doesNotThrow(() => {
const signOptions = { key: dsaKeyPemEncrypted, passphrase: 'password' };
signature = sign.sign(signOptions, 'hex');
});
Expand Down

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