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809549213e
gmake: Wejście do katalogu '/usr/home/saper/sw/misskey/build'
CXX(target) Release/obj.target/crypto_key/src/crypto_key.o
../src/crypto_key.cc:25:3: warning: 'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?
[-Wmismatched-new-delete]
delete sourceBuf;
^
[]
../src/crypto_key.cc:18:25: note: allocated with 'new[]' here
const auto sourceBuf = new char[sourceLength];
^
../src/crypto_key.cc:32:2: warning: 'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?
[-Wmismatched-new-delete]
delete sourceBuf;
^
[]
../src/crypto_key.cc:18:25: note: allocated with 'new[]' here
const auto sourceBuf = new char[sourceLength];
^
2 warnings generated.
112 lines
2.5 KiB
C++
112 lines
2.5 KiB
C++
#include <nan.h>
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#include <openssl/bio.h>
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#include <openssl/buffer.h>
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#include <openssl/crypto.h>
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#include <openssl/pem.h>
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#include <openssl/rsa.h>
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#include <openssl/x509.h>
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NAN_METHOD(extractPublic)
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{
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const auto sourceString = info[0]->ToString();
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if (!sourceString->IsOneByte()) {
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Nan::ThrowError("Malformed character found");
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return;
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}
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size_t sourceLength = sourceString->Length();
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const auto sourceBuf = new char[sourceLength];
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Nan::DecodeWrite(sourceBuf, sourceLength, sourceString);
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const auto source = BIO_new_mem_buf(sourceBuf, sourceLength);
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if (source == nullptr) {
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Nan::ThrowError("Memory allocation failed");
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delete[] sourceBuf;
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return;
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}
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const auto rsa = PEM_read_bio_RSAPrivateKey(source, nullptr, nullptr, nullptr);
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BIO_free(source);
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delete[] sourceBuf;
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if (rsa == nullptr) {
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Nan::ThrowError("Decode failed");
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return;
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}
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const auto destination = BIO_new(BIO_s_mem());
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if (destination == nullptr) {
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Nan::ThrowError("Memory allocation failed");
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return;
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}
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const auto result = PEM_write_bio_RSAPublicKey(destination, rsa);
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RSA_free(rsa);
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if (result != 1) {
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Nan::ThrowError("Public key extraction failed");
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BIO_free(destination);
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return;
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}
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char *pem;
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const auto pemLength = BIO_get_mem_data(destination, &pem);
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info.GetReturnValue().Set(Nan::Encode(pem, pemLength));
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BIO_free(destination);
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}
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NAN_METHOD(generate)
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{
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const auto exponent = BN_new();
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const auto mem = BIO_new(BIO_s_mem());
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const auto rsa = RSA_new();
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char *data;
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long result;
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if (exponent == nullptr || mem == nullptr || rsa == nullptr) {
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Nan::ThrowError("Memory allocation failed");
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goto done;
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}
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result = BN_set_word(exponent, 65537);
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if (result != 1) {
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Nan::ThrowError("Exponent setting failed");
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goto done;
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}
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result = RSA_generate_key_ex(rsa, 2048, exponent, nullptr);
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if (result != 1) {
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Nan::ThrowError("Key generation failed");
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goto done;
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}
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result = PEM_write_bio_RSAPrivateKey(mem, rsa, NULL, NULL, 0, NULL, NULL);
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if (result != 1) {
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Nan::ThrowError("Key export failed");
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goto done;
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}
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result = BIO_get_mem_data(mem, &data);
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info.GetReturnValue().Set(Nan::Encode(data, result));
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done:
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RSA_free(rsa);
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BIO_free(mem);
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BN_free(exponent);
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}
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NAN_MODULE_INIT(InitAll)
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{
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Nan::Set(target, Nan::New<v8::String>("extractPublic").ToLocalChecked(),
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Nan::GetFunction(Nan::New<v8::FunctionTemplate>(extractPublic)).ToLocalChecked());
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Nan::Set(target, Nan::New<v8::String>("generate").ToLocalChecked(),
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Nan::GetFunction(Nan::New<v8::FunctionTemplate>(generate)).ToLocalChecked());
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}
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NODE_MODULE(crypto_key, InitAll);
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