Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

src: make minor improvements to SecureBuffer #44302

Merged
merged 1 commit into from
Aug 22, 2022
Merged
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
9 changes: 4 additions & 5 deletions src/crypto/crypto_util.cc
Original file line number Diff line number Diff line change
Expand Up @@ -673,22 +673,21 @@ CryptoJobMode GetCryptoJobMode(v8::Local<v8::Value> args) {
}

namespace {
// SecureBuffer uses openssl to allocate a Uint8Array using
// OPENSSL_secure_malloc. Because we do not yet actually
// make use of secure heap, this has the same semantics as
// SecureBuffer uses OPENSSL_secure_malloc to allocate a Uint8Array.
// Without --secure-heap, OpenSSL's secure heap is disabled,
// in which case this has the same semantics as
// using OPENSSL_malloc. However, if the secure heap is
// initialized, SecureBuffer will automatically use it.
void SecureBuffer(const FunctionCallbackInfo<Value>& args) {
CHECK(args[0]->IsUint32());
Environment* env = Environment::GetCurrent(args);
uint32_t len = args[0].As<Uint32>()->Value();
char* data = static_cast<char*>(OPENSSL_secure_malloc(len));
void* data = OPENSSL_secure_zalloc(len);
if (data == nullptr) {
// There's no memory available for the allocation.
// Return nothing.
return;
}
memset(data, 0, len);
std::shared_ptr<BackingStore> store =
ArrayBuffer::NewBackingStore(
data,
Expand Down