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-rw-r--r--doc/api/crypto.md6
-rw-r--r--lib/internal/crypto/scrypt.js6
-rw-r--r--src/node_crypto.cc7
-rw-r--r--test/parallel/test-crypto-scrypt.js15
4 files changed, 28 insertions, 6 deletions
diff --git a/doc/api/crypto.md b/doc/api/crypto.md
index 96d99cbbe7..308d9320cf 100644
--- a/doc/api/crypto.md
+++ b/doc/api/crypto.md
@@ -2587,6 +2587,9 @@ request.
<!-- YAML
added: v10.5.0
changes:
+ - version: REPLACEME
+ pr-url: https://github.com/nodejs/node/pull/28799
+ description: The `maxmem` value can now be any safe integer.
- version: v10.9.0
pr-url: https://github.com/nodejs/node/pull/21525
description: The `cost`, `blockSize` and `parallelization` option names
@@ -2641,6 +2644,9 @@ crypto.scrypt('secret', 'salt', 64, { N: 1024 }, (err, derivedKey) => {
<!-- YAML
added: v10.5.0
changes:
+ - version: REPLACEME
+ pr-url: https://github.com/nodejs/node/pull/28799
+ description: The `maxmem` value can now be any safe integer.
- version: v10.9.0
pr-url: https://github.com/nodejs/node/pull/21525
description: The `cost`, `blockSize` and `parallelization` option names
diff --git a/lib/internal/crypto/scrypt.js b/lib/internal/crypto/scrypt.js
index 50a2bbc153..2705611832 100644
--- a/lib/internal/crypto/scrypt.js
+++ b/lib/internal/crypto/scrypt.js
@@ -3,11 +3,11 @@
const { AsyncWrap, Providers } = internalBinding('async_wrap');
const { Buffer } = require('buffer');
const { scrypt: _scrypt } = internalBinding('crypto');
-const { validateUint32 } = require('internal/validators');
+const { validateInteger, validateUint32 } = require('internal/validators');
const {
ERR_CRYPTO_SCRYPT_INVALID_PARAMETER,
ERR_CRYPTO_SCRYPT_NOT_SUPPORTED,
- ERR_INVALID_CALLBACK,
+ ERR_INVALID_CALLBACK
} = require('internal/errors').codes;
const {
getDefaultEncoding,
@@ -107,8 +107,8 @@ function check(password, salt, keylen, options) {
p = options.parallelization;
}
if (options.maxmem !== undefined) {
- validateUint32(options.maxmem, 'maxmem');
maxmem = options.maxmem;
+ validateInteger(maxmem, 'maxmem', 0);
}
if (N === 0) N = defaults.N;
if (r === 0) r = defaults.r;
diff --git a/src/node_crypto.cc b/src/node_crypto.cc
index 8a2ec41161..ef8983b2f7 100644
--- a/src/node_crypto.cc
+++ b/src/node_crypto.cc
@@ -6015,7 +6015,7 @@ struct ScryptJob : public CryptoJob {
uint32_t N;
uint32_t r;
uint32_t p;
- uint32_t maxmem;
+ uint64_t maxmem;
CryptoErrorVector errors;
inline explicit ScryptJob(Environment* env) : CryptoJob(env) {}
@@ -6070,7 +6070,7 @@ void Scrypt(const FunctionCallbackInfo<Value>& args) {
CHECK(args[3]->IsUint32()); // N
CHECK(args[4]->IsUint32()); // r
CHECK(args[5]->IsUint32()); // p
- CHECK(args[6]->IsUint32()); // maxmem
+ CHECK(args[6]->IsNumber()); // maxmem
CHECK(args[7]->IsObject() || args[7]->IsUndefined()); // wrap object
std::unique_ptr<ScryptJob> job(new ScryptJob(env));
job->keybuf_data = reinterpret_cast<unsigned char*>(Buffer::Data(args[0]));
@@ -6080,7 +6080,8 @@ void Scrypt(const FunctionCallbackInfo<Value>& args) {
job->N = args[3].As<Uint32>()->Value();
job->r = args[4].As<Uint32>()->Value();
job->p = args[5].As<Uint32>()->Value();
- job->maxmem = args[6].As<Uint32>()->Value();
+ Local<Context> ctx = env->isolate()->GetCurrentContext();
+ job->maxmem = static_cast<uint64_t>(args[6]->IntegerValue(ctx).ToChecked());
if (!job->Validate()) {
// EVP_PBE_scrypt() does not always put errors on the error stack
// and therefore ToResult() may or may not return an exception
diff --git a/test/parallel/test-crypto-scrypt.js b/test/parallel/test-crypto-scrypt.js
index 7c7f089606..63ddcdfb42 100644
--- a/test/parallel/test-crypto-scrypt.js
+++ b/test/parallel/test-crypto-scrypt.js
@@ -220,3 +220,18 @@ for (const { args, expected } of badargs) {
common.expectsError(() => crypto.scrypt('', '', 42, {}), expected);
common.expectsError(() => crypto.scrypt('', '', 42, {}, {}), expected);
}
+
+{
+ // Values for maxmem that do not fit in 32 bits but that are still safe
+ // integers should be allowed.
+ crypto.scrypt('', '', 4, { maxmem: 2 ** 52 },
+ common.mustCall((err, actual) => {
+ assert.ifError(err);
+ assert.strictEqual(actual.toString('hex'), 'd72c87d0');
+ }));
+
+ // Values that exceed Number.isSafeInteger should not be allowed.
+ common.expectsError(() => crypto.scryptSync('', '', 0, { maxmem: 2 ** 53 }), {
+ code: 'ERR_OUT_OF_RANGE'
+ });
+}