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src: remove usage of AllocatedBuffer from crypto_common.cc #40213

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src: remove usage of AllocatedBuffer from crypto_common.cc #40213

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50 changes: 36 additions & 14 deletions src/crypto/crypto_common.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,9 @@
namespace node {

using v8::Array;
using v8::ArrayBuffer;
using v8::ArrayBufferView;
using v8::BackingStore;
using v8::Context;
using v8::EscapableHandleScope;
using v8::Integer;
Expand Down Expand Up @@ -562,11 +564,17 @@ MaybeLocal<Object> GetPubKey(Environment* env, const RSAPointer& rsa) {
int size = i2d_RSA_PUBKEY(rsa.get(), nullptr);
CHECK_GE(size, 0);

AllocatedBuffer buffer = AllocatedBuffer::AllocateManaged(env, size);
unsigned char* serialized =
reinterpret_cast<unsigned char*>(buffer.data());
i2d_RSA_PUBKEY(rsa.get(), &serialized);
return buffer.ToBuffer();
std::unique_ptr<BackingStore> bs;
{
NoArrayBufferZeroFillScope no_zero_fill_scope(env->isolate_data());
bs = ArrayBuffer::NewBackingStore(env->isolate(), size);
}

unsigned char* serialized = reinterpret_cast<unsigned char*>(bs->Data());
CHECK_GE(i2d_RSA_PUBKEY(rsa.get(), &serialized), 0);

Local<ArrayBuffer> ab = ArrayBuffer::New(env->isolate(), std::move(bs));
return Buffer::New(env, ab, 0, ab->ByteLength()).FromMaybe(Local<Object>());
}

MaybeLocal<Value> GetExponentString(
Expand Down Expand Up @@ -600,11 +608,17 @@ MaybeLocal<Value> GetModulusString(
MaybeLocal<Object> GetRawDERCertificate(Environment* env, X509* cert) {
int size = i2d_X509(cert, nullptr);

AllocatedBuffer buffer = AllocatedBuffer::AllocateManaged(env, size);
unsigned char* serialized =
reinterpret_cast<unsigned char*>(buffer.data());
i2d_X509(cert, &serialized);
return buffer.ToBuffer();
std::unique_ptr<BackingStore> bs;
{
NoArrayBufferZeroFillScope no_zero_fill_scope(env->isolate_data());
bs = ArrayBuffer::NewBackingStore(env->isolate(), size);
}

unsigned char* serialized = reinterpret_cast<unsigned char*>(bs->Data());
CHECK_GE(i2d_X509(cert, &serialized), 0);

Local<ArrayBuffer> ab = ArrayBuffer::New(env->isolate(), std::move(bs));
return Buffer::New(env, ab, 0, ab->ByteLength()).FromMaybe(Local<Object>());
}

MaybeLocal<Value> GetSerialNumber(Environment* env, X509* cert) {
Expand Down Expand Up @@ -878,18 +892,26 @@ MaybeLocal<Object> ECPointToBuffer(Environment* env,
if (error != nullptr) *error = "Failed to get public key length";
return MaybeLocal<Object>();
}
AllocatedBuffer buf = AllocatedBuffer::AllocateManaged(env, len);

std::unique_ptr<BackingStore> bs;
{
NoArrayBufferZeroFillScope no_zero_fill_scope(env->isolate_data());
bs = ArrayBuffer::NewBackingStore(env->isolate(), len);
}

len = EC_POINT_point2oct(group,
point,
form,
reinterpret_cast<unsigned char*>(buf.data()),
buf.size(),
reinterpret_cast<unsigned char*>(bs->Data()),
bs->ByteLength(),
nullptr);
if (len == 0) {
if (error != nullptr) *error = "Failed to get public key";
return MaybeLocal<Object>();
}
return buf.ToBuffer();

Local<ArrayBuffer> ab = ArrayBuffer::New(env->isolate(), std::move(bs));
return Buffer::New(env, ab, 0, ab->ByteLength()).FromMaybe(Local<Object>());
}

MaybeLocal<Value> GetPeerCert(
Expand Down