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src: use automatic memory mgmt in SecretKeyGen #44479

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Sep 5, 2022
Merged

src: use automatic memory mgmt in SecretKeyGen #44479

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18 changes: 8 additions & 10 deletions src/crypto/crypto_keygen.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -54,8 +54,7 @@ EVPKeyCtxPointer NidKeyPairGenTraits::Setup(NidKeyPairGenConfig* params) {
}

void SecretKeyGenConfig::MemoryInfo(MemoryTracker* tracker) const {
if (out != nullptr)
tracker->TrackFieldWithSize("out", length);
if (out) tracker->TrackFieldWithSize("out", length);
}

Maybe<bool> SecretKeyGenTraits::AdditionalConfig(
Expand All @@ -80,18 +79,17 @@ KeyGenJobStatus SecretKeyGenTraits::DoKeyGen(
Environment* env,
SecretKeyGenConfig* params) {
CHECK_LE(params->length, INT_MAX);
params->out = MallocOpenSSL<char>(params->length);
EntropySource(reinterpret_cast<unsigned char*>(params->out), params->length);
ByteSource::Builder bytes(params->length);
EntropySource(bytes.data<unsigned char>(), params->length);
params->out = std::move(bytes).release();
return KeyGenJobStatus::OK;
}

Maybe<bool> SecretKeyGenTraits::EncodeKey(
Environment* env,
SecretKeyGenConfig* params,
Local<Value>* result) {
ByteSource out = ByteSource::Allocated(params->out, params->length);
Maybe<bool> SecretKeyGenTraits::EncodeKey(Environment* env,
SecretKeyGenConfig* params,
Local<Value>* result) {
std::shared_ptr<KeyObjectData> data =
KeyObjectData::CreateSecret(std::move(out));
KeyObjectData::CreateSecret(std::move(params->out));
return Just(KeyObjectHandle::Create(env, data).ToLocal(result));
}

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2 changes: 1 addition & 1 deletion src/crypto/crypto_keygen.h
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Original file line number Diff line number Diff line change
Expand Up @@ -201,7 +201,7 @@ struct KeyPairGenTraits final {

struct SecretKeyGenConfig final : public MemoryRetainer {
size_t length; // In bytes.
char* out = nullptr; // Placeholder for the generated key bytes.
ByteSource out; // Placeholder for the generated key bytes.

void MemoryInfo(MemoryTracker* tracker) const override;
SET_MEMORY_INFO_NAME(SecretKeyGenConfig)
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