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crypto: pbkdf.js deprecate digest overload. #4047

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crypto: pbkdf.js deprecate digest overload. #4047

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10 changes: 4 additions & 6 deletions doc/api/crypto.markdown
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Original file line number Diff line number Diff line change
Expand Up @@ -1062,13 +1062,12 @@ const hashes = crypto.getHashes();
console.log(hashes); // ['sha', 'sha1', 'sha1WithRSAEncryption', ...]
```

### crypto.pbkdf2(password, salt, iterations, keylen[, digest], callback)
### crypto.pbkdf2(password, salt, iterations, keylen, digest, callback)

Provides an asynchronous Password-Based Key Derivation Function 2 (PBKDF2)
implementation. A selected HMAC digest algorithm specified by `digest` is
applied to derive a key of the requested byte length (`keylen`) from the
`password`, `salt` and `iterations`. If the `digest` algorithm is not specified,
a default of `'sha1'` is used.
`password`, `salt` and `iterations`.

The supplied `callback` function is called with two arguments: `err` and
`derivedKey`. If an error occurs, `err` will be set; otherwise `err` will be
Expand All @@ -1095,13 +1094,12 @@ crypto.pbkdf2('secret', 'salt', 100000, 512, 'sha512', (err, key) => {
An array of supported digest functions can be retrieved using
[`crypto.getHashes()`][].

### crypto.pbkdf2Sync(password, salt, iterations, keylen[, digest])
### crypto.pbkdf2Sync(password, salt, iterations, keylen, digest)

Provides a synchronous Password-Based Key Derivation Function 2 (PBKDF2)
implementation. A selected HMAC digest algorithm specified by `digest` is
applied to derive a key of the requested byte length (`keylen`) from the
`password`, `salt` and `iterations`. If the `digest` algorithm is not specified,
a default of `'sha1'` is used.
`password`, `salt` and `iterations`.

If an error occurs an Error will be thrown, otherwise the derived key will be
returned as a [`Buffer`][].
Expand Down
10 changes: 10 additions & 0 deletions lib/crypto.js
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Expand Up @@ -531,6 +531,11 @@ ECDH.prototype.getPublicKey = function getPublicKey(encoding, format) {
};


const pbkdf2DeprecationWarning =
internalUtil.deprecate(() => {}, 'crypto.pbkdf2 without specifying' +
' a digest is deprecated. Please specify a digest');


exports.pbkdf2 = function(password,
salt,
iterations,
Expand All @@ -540,6 +545,7 @@ exports.pbkdf2 = function(password,
if (typeof digest === 'function') {
callback = digest;
digest = undefined;
pbkdf2DeprecationWarning();
}

if (typeof callback !== 'function')
Expand All @@ -550,6 +556,10 @@ exports.pbkdf2 = function(password,


exports.pbkdf2Sync = function(password, salt, iterations, keylen, digest) {
if (typeof digest === 'undefined') {
digest = undefined;
pbkdf2DeprecationWarning();
}
return pbkdf2(password, salt, iterations, keylen, digest);
};

Expand Down
24 changes: 12 additions & 12 deletions test/parallel/test-crypto-binary-default.js
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Expand Up @@ -633,34 +633,34 @@ assert.strictEqual(rsaVerify.verify(rsaPubPem, rsaSignature, 'hex'), true);
// Test PBKDF2 with RFC 6070 test vectors (except #4)
//
function testPBKDF2(password, salt, iterations, keylen, expected) {
var actual = crypto.pbkdf2Sync(password, salt, iterations, keylen);
var actual = crypto.pbkdf2Sync(password, salt, iterations, keylen, 'sha256');
assert.equal(actual, expected);

crypto.pbkdf2(password, salt, iterations, keylen, function(err, actual) {
crypto.pbkdf2(password, salt, iterations, keylen, 'sha256', (err, actual) => {
assert.equal(actual, expected);
});
}


testPBKDF2('password', 'salt', 1, 20,
'\x0c\x60\xc8\x0f\x96\x1f\x0e\x71\xf3\xa9\xb5\x24' +
'\xaf\x60\x12\x06\x2f\xe0\x37\xa6');
'\x12\x0f\xb6\xcf\xfc\xf8\xb3\x2c\x43\xe7\x22\x52' +
'\x56\xc4\xf8\x37\xa8\x65\x48\xc9');

testPBKDF2('password', 'salt', 2, 20,
'\xea\x6c\x01\x4d\xc7\x2d\x6f\x8c\xcd\x1e\xd9\x2a' +
'\xce\x1d\x41\xf0\xd8\xde\x89\x57');
'\xae\x4d\x0c\x95\xaf\x6b\x46\xd3\x2d\x0a\xdf\xf9' +
'\x28\xf0\x6d\xd0\x2a\x30\x3f\x8e');

testPBKDF2('password', 'salt', 4096, 20,
'\x4b\x00\x79\x01\xb7\x65\x48\x9a\xbe\xad\x49\xd9\x26' +
'\xf7\x21\xd0\x65\xa4\x29\xc1');
'\xc5\xe4\x78\xd5\x92\x88\xc8\x41\xaa\x53\x0d\xb6' +
'\x84\x5c\x4c\x8d\x96\x28\x93\xa0');

testPBKDF2('passwordPASSWORDpassword',
'saltSALTsaltSALTsaltSALTsaltSALTsalt',
4096,
25,
'\x3d\x2e\xec\x4f\xe4\x1c\x84\x9b\x80\xc8\xd8\x36\x62' +
'\xc0\xe4\x4a\x8b\x29\x1a\x96\x4c\xf2\xf0\x70\x38');
'\x34\x8c\x89\xdb\xcb\xd3\x2b\x2f\x32\xd8\x14\xb8' +
'\x11\x6e\x84\xcf\x2b\x17\x34\x7e\xbc\x18\x00\x18\x1c');

testPBKDF2('pass\0word', 'sa\0lt', 4096, 16,
'\x56\xfa\x6a\xa7\x55\x48\x09\x9d\xcc\x37\xd7\xf0\x34' +
'\x25\xe0\xc3');
'\x89\xb6\x9d\x05\x16\xf8\x29\x89\x3c\x69\x62\x26' +
'\x65\x0a\x86\x87');
32 changes: 16 additions & 16 deletions test/parallel/test-crypto-pbkdf2.js
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Original file line number Diff line number Diff line change
Expand Up @@ -12,37 +12,37 @@ var crypto = require('crypto');
// Test PBKDF2 with RFC 6070 test vectors (except #4)
//
function testPBKDF2(password, salt, iterations, keylen, expected) {
var actual = crypto.pbkdf2Sync(password, salt, iterations, keylen);
var actual = crypto.pbkdf2Sync(password, salt, iterations, keylen, 'sha256');
assert.equal(actual.toString('binary'), expected);

crypto.pbkdf2(password, salt, iterations, keylen, function(err, actual) {
crypto.pbkdf2(password, salt, iterations, keylen, 'sha256', (err, actual) => {
assert.equal(actual.toString('binary'), expected);
});
}


testPBKDF2('password', 'salt', 1, 20,
'\x0c\x60\xc8\x0f\x96\x1f\x0e\x71\xf3\xa9\xb5\x24' +
'\xaf\x60\x12\x06\x2f\xe0\x37\xa6');
'\x12\x0f\xb6\xcf\xfc\xf8\xb3\x2c\x43\xe7\x22\x52' +
'\x56\xc4\xf8\x37\xa8\x65\x48\xc9');

testPBKDF2('password', 'salt', 2, 20,
'\xea\x6c\x01\x4d\xc7\x2d\x6f\x8c\xcd\x1e\xd9\x2a' +
'\xce\x1d\x41\xf0\xd8\xde\x89\x57');
'\xae\x4d\x0c\x95\xaf\x6b\x46\xd3\x2d\x0a\xdf\xf9' +
'\x28\xf0\x6d\xd0\x2a\x30\x3f\x8e');

testPBKDF2('password', 'salt', 4096, 20,
'\x4b\x00\x79\x01\xb7\x65\x48\x9a\xbe\xad\x49\xd9\x26' +
'\xf7\x21\xd0\x65\xa4\x29\xc1');
'\xc5\xe4\x78\xd5\x92\x88\xc8\x41\xaa\x53\x0d\xb6' +
'\x84\x5c\x4c\x8d\x96\x28\x93\xa0');

testPBKDF2('passwordPASSWORDpassword',
'saltSALTsaltSALTsaltSALTsaltSALTsalt',
4096,
25,
'\x3d\x2e\xec\x4f\xe4\x1c\x84\x9b\x80\xc8\xd8\x36\x62' +
'\xc0\xe4\x4a\x8b\x29\x1a\x96\x4c\xf2\xf0\x70\x38');
'\x34\x8c\x89\xdb\xcb\xd3\x2b\x2f\x32\xd8\x14\xb8\x11' +
'\x6e\x84\xcf\x2b\x17\x34\x7e\xbc\x18\x00\x18\x1c');

testPBKDF2('pass\0word', 'sa\0lt', 4096, 16,
'\x56\xfa\x6a\xa7\x55\x48\x09\x9d\xcc\x37\xd7\xf0\x34' +
'\x25\xe0\xc3');
'\x89\xb6\x9d\x05\x16\xf8\x29\x89\x3c\x69\x62\x26\x65' +
'\x0a\x86\x87');

var expected =
'64c486c55d30d4c5a079b8823b7d7cb37ff0556f537da8410233bcec330ed956';
Expand All @@ -62,28 +62,28 @@ assert.throws(function() {

// Should not work with Infinity key length
assert.throws(function() {
crypto.pbkdf2('password', 'salt', 1, Infinity, common.fail);
crypto.pbkdf2('password', 'salt', 1, Infinity, 'sha256', common.fail);
}, function(err) {
return err instanceof Error && err.message === 'Bad key length';
});

// Should not work with negative Infinity key length
assert.throws(function() {
crypto.pbkdf2('password', 'salt', 1, -Infinity, common.fail);
crypto.pbkdf2('password', 'salt', 1, -Infinity, 'sha256', common.fail);
}, function(err) {
return err instanceof Error && err.message === 'Bad key length';
});

// Should not work with NaN key length
assert.throws(function() {
crypto.pbkdf2('password', 'salt', 1, NaN, common.fail);
crypto.pbkdf2('password', 'salt', 1, NaN, 'sha256', common.fail);
}, function(err) {
return err instanceof Error && err.message === 'Bad key length';
});

// Should not work with negative key length
assert.throws(function() {
crypto.pbkdf2('password', 'salt', 1, -1, common.fail);
crypto.pbkdf2('password', 'salt', 1, -1, 'sha256', common.fail);
}, function(err) {
return err instanceof Error && err.message === 'Bad key length';
});