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#include "crypto/crypto_timing.h" |
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#include "crypto/crypto_util.h" |
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#include "env-inl.h" |
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#include "node_errors.h" |
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#include "v8.h" |
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#include "node.h" |
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#include <openssl/crypto.h> |
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namespace node { |
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using v8::FunctionCallbackInfo; |
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using v8::Local; |
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using v8::Object; |
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using v8::Value; |
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namespace crypto { |
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namespace Timing { |
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void TimingSafeEqual(const FunctionCallbackInfo<Value>& args) { |
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// Moving the type checking into JS leads to test failures, most likely due |
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// to V8 inlining certain parts of the wrapper. Therefore, keep them in C++. |
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// Refs: https://github.com/nodejs/node/issues/34073. |
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Environment* env = Environment::GetCurrent(args); |
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✓✓ |
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if (!IsAnyByteSource(args[0])) { |
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THROW_ERR_INVALID_ARG_TYPE( |
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env, "The \"buf1\" argument must be an instance of " |
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"ArrayBuffer, Buffer, TypedArray, or DataView."); |
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return; |
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} |
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✓✓ |
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if (!IsAnyByteSource(args[1])) { |
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THROW_ERR_INVALID_ARG_TYPE( |
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env, "The \"buf2\" argument must be an instance of " |
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"ArrayBuffer, Buffer, TypedArray, or DataView."); |
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return; |
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} |
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ArrayBufferOrViewContents<char> buf1(args[0]); |
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ArrayBufferOrViewContents<char> buf2(args[1]); |
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✓✓ |
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if (buf1.size() != buf2.size()) { |
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THROW_ERR_CRYPTO_TIMING_SAFE_EQUAL_LENGTH(env); |
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return; |
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} |
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✓✓ |
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return args.GetReturnValue().Set( |
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CRYPTO_memcmp(buf1.data(), buf2.data(), buf1.size()) == 0); |
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} |
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void Initialize(Environment* env, Local<Object> target) { |
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env->SetMethodNoSideEffect(target, "timingSafeEqual", TimingSafeEqual); |
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} |
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void RegisterExternalReferences(ExternalReferenceRegistry* registry) { |
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registry->Register(TimingSafeEqual); |
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} |
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} // namespace Timing |
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} // namespace crypto |
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} // namespace node |