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crypto: fix generateKeyPair type checks #38364

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crypto: fix generateKeyPair type checks #38364

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345b469
crypto: fix generateKeyPair type checks
Linkgoron Apr 22, 2021
7099d6e
fixup! crypto: fix generateKeyPair type checks
Linkgoron Apr 24, 2021
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9 changes: 5 additions & 4 deletions lib/internal/crypto/keygen.js
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Original file line number Diff line number Diff line change
Expand Up @@ -40,6 +40,7 @@ const {
const { customPromisifyArgs } = require('internal/util');

const {
isInt32,
isUint32,
validateCallback,
validateString,
Expand Down Expand Up @@ -194,7 +195,7 @@ function createJob(mode, type, options) {
throw new ERR_INVALID_ARG_VALUE('options.hash', hash);
if (mgf1Hash !== undefined && typeof mgf1Hash !== 'string')
throw new ERR_INVALID_ARG_VALUE('options.mgf1Hash', mgf1Hash);
if (saltLength !== undefined && !isUint32(saltLength))
if (saltLength !== undefined && !isInt32(saltLength))
throw new ERR_INVALID_ARG_VALUE('options.saltLength', saltLength);

return new RsaKeyPairGenJob(
Expand All @@ -217,7 +218,7 @@ function createJob(mode, type, options) {
let { divisorLength } = options;
if (divisorLength == null) {
divisorLength = -1;
} else if (!isUint32(divisorLength)) {
} else if (!isInt32(divisorLength)) {
throw new ERR_INVALID_ARG_VALUE('options.divisorLength', divisorLength);
}

Expand Down Expand Up @@ -292,15 +293,15 @@ function createJob(mode, type, options) {
if (!isArrayBufferView(prime))
throw new ERR_INVALID_ARG_VALUE('options.prime', prime);
} else if (primeLength != null) {
if (!isUint32(primeLength))
if (!isInt32(primeLength))
throw new ERR_INVALID_ARG_VALUE('options.primeLength', primeLength);
} else {
throw new ERR_MISSING_OPTION(
'At least one of the group, prime, or primeLength options');
}

if (generator != null) {
if (!isUint32(generator))
if (!isInt32(generator))
throw new ERR_INVALID_ARG_VALUE('options.generator', generator);
}
return new DhKeyPairGenJob(
Expand Down
40 changes: 39 additions & 1 deletion test/parallel/test-crypto-keygen.js
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Original file line number Diff line number Diff line change
Expand Up @@ -958,7 +958,7 @@ const sec1EncExp = (cipher) => getRegExpForPEM('EC PRIVATE KEY', cipher);
}

// Test invalid divisor lengths.
for (const divisorLength of ['a', true, {}, [], 4096.1]) {
for (const divisorLength of ['a', true, {}, [], 4096.1, 2147483648]) {
assert.throws(() => generateKeyPair('dsa', {
modulusLength: 2048,
divisorLength
Expand Down Expand Up @@ -1081,6 +1081,29 @@ const sec1EncExp = (cipher) => getRegExpForPEM('EC PRIVATE KEY', cipher);
message: 'Unknown DH group'
});

assert.throws(() => {
generateKeyPair('dh', {
primeLength: 2147483648
}, common.mustNotCall());
}, {
name: 'TypeError',
code: 'ERR_INVALID_ARG_VALUE',
message: "The property 'options.primeLength' is invalid. " +
'Received 2147483648',
});

assert.throws(() => {
generateKeyPair('dh', {
primeLength: 2,
generator: 2147483648,
}, common.mustNotCall());
}, {
name: 'TypeError',
code: 'ERR_INVALID_ARG_VALUE',
message: "The property 'options.generator' is invalid. " +
'Received 2147483648',
});

// Test incompatible options.
const allOpts = {
group: 'modp5',
Expand Down Expand Up @@ -1142,6 +1165,21 @@ const sec1EncExp = (cipher) => getRegExpForPEM('EC PRIVATE KEY', cipher);
});
}

// too long salt length
assert.throws(() => {
generateKeyPair('rsa-pss', {
modulusLength: 512,
saltLength: 2147483648,
hash: 'sha256',
mgf1Hash: 'sha256'
}, common.mustNotCall());
}, {
name: 'TypeError',
code: 'ERR_INVALID_ARG_VALUE',
message: "The property 'options.saltLength' is invalid. " +
'Received 2147483648'
});

// Invalid private key type.
for (const type of ['foo', 'spki']) {
assert.throws(() => {
Expand Down