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crypto: remove DiffieHellman.initialised_
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As pointed out by Ben Noordhuis, this internal field can be removed
since all instances are initialized when exposed to users.

PR-URL: #23717
Refs: #23648
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
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tniessen authored and rvagg committed Nov 28, 2018
1 parent f3c32b9 commit be76a82
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Showing 2 changed files with 3 additions and 22 deletions.
23 changes: 3 additions & 20 deletions src/node_crypto.cc
Original file line number Diff line number Diff line change
Expand Up @@ -4001,11 +4001,7 @@ bool DiffieHellman::Init(int primeLength, int g) {
dh_.reset(DH_new());
if (!DH_generate_parameters_ex(dh_.get(), primeLength, g, 0))
return false;
bool result = VerifyContext();
if (!result)
return false;
initialised_ = true;
return true;
return VerifyContext();
}


Expand All @@ -4020,11 +4016,7 @@ bool DiffieHellman::Init(const char* p, int p_len, int g) {
BN_free(bn_g);
return false;
}
bool result = VerifyContext();
if (!result)
return false;
initialised_ = true;
return true;
return VerifyContext();
}


Expand All @@ -4037,11 +4029,7 @@ bool DiffieHellman::Init(const char* p, int p_len, const char* g, int g_len) {
BN_free(bn_g);
return false;
}
bool result = VerifyContext();
if (!result)
return false;
initialised_ = true;
return true;
return VerifyContext();
}


Expand Down Expand Up @@ -4115,7 +4103,6 @@ void DiffieHellman::GenerateKeys(const FunctionCallbackInfo<Value>& args) {

DiffieHellman* diffieHellman;
ASSIGN_OR_RETURN_UNWRAP(&diffieHellman, args.Holder());
CHECK(diffieHellman->initialised_);

if (!DH_generate_key(diffieHellman->dh_.get())) {
return ThrowCryptoError(env, ERR_get_error(), "Key generation failed");
Expand All @@ -4137,7 +4124,6 @@ void DiffieHellman::GetField(const FunctionCallbackInfo<Value>& args,

DiffieHellman* dh;
ASSIGN_OR_RETURN_UNWRAP(&dh, args.Holder());
CHECK(dh->initialised_);

const BIGNUM* num = get_field(dh->dh_.get());
if (num == nullptr) return env->ThrowError(err_if_null);
Expand Down Expand Up @@ -4189,7 +4175,6 @@ void DiffieHellman::ComputeSecret(const FunctionCallbackInfo<Value>& args) {

DiffieHellman* diffieHellman;
ASSIGN_OR_RETURN_UNWRAP(&diffieHellman, args.Holder());
CHECK(diffieHellman->initialised_);

ClearErrorOnReturn clear_error_on_return;

Expand Down Expand Up @@ -4257,7 +4242,6 @@ void DiffieHellman::SetKey(const v8::FunctionCallbackInfo<Value>& args,

DiffieHellman* dh;
ASSIGN_OR_RETURN_UNWRAP(&dh, args.Holder());
CHECK(dh->initialised_);

char errmsg[64];

Expand Down Expand Up @@ -4303,7 +4287,6 @@ void DiffieHellman::VerifyErrorGetter(const FunctionCallbackInfo<Value>& args) {

DiffieHellman* diffieHellman;
ASSIGN_OR_RETURN_UNWRAP(&diffieHellman, args.Holder());
CHECK(diffieHellman->initialised_);

args.GetReturnValue().Set(diffieHellman->verifyError_);
}
Expand Down
2 changes: 0 additions & 2 deletions src/node_crypto.h
Original file line number Diff line number Diff line change
Expand Up @@ -615,7 +615,6 @@ class DiffieHellman : public BaseObject {

DiffieHellman(Environment* env, v8::Local<v8::Object> wrap)
: BaseObject(env, wrap),
initialised_(false),
verifyError_(0) {
MakeWeak();
}
Expand All @@ -633,7 +632,6 @@ class DiffieHellman : public BaseObject {
int (*set_field)(DH*, BIGNUM*), const char* what);
bool VerifyContext();

bool initialised_;
int verifyError_;
DHPointer dh_;
};
Expand Down

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