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src: fix string format mistake for 32 bit node #10082

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src: fix string format mistake for 32 bit node #10082

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11 changes: 8 additions & 3 deletions src/node_crypto.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -1536,9 +1536,14 @@ static Local<Object> X509ToObject(Environment* env, X509* cert) {
String::kNormalString, mem->length));
(void) BIO_reset(bio);

BN_ULONG exponent_word = BN_get_word(rsa->e);
BIO_printf(bio, "0x%lx", exponent_word);

uint64_t exponent_word = static_cast<uint64_t>(BN_get_word(rsa->e));
uint32_t lo = static_cast<uint32_t>(exponent_word);
uint32_t hi = static_cast<uint32_t>(exponent_word >> 32);
if (hi == 0) {
BIO_printf(bio, "0x%x", lo);
} else {
BIO_printf(bio, "0x%x%08x", hi, lo);
}
BIO_get_mem_ptr(bio, &mem);
info->Set(env->exponent_string(),
String::NewFromUtf8(env->isolate(), mem->data,
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