EVP_PKEY ] How to duplicate it ?]

[delcour.pierre]

Hello everyone,

I would like to duplicate an EVP_PKEY struct.


I wrote this not working code:
  BIO *bout = BIO_new(BIO_s_mem());
  PEM_write_bio_PrivateKey(bout, key, NULL, NULL, 0, NULL, NULL);
key = PEM_read_bio_PrivateKey(bout, NULL, NULL, NULL);
cout << (key == NULL) << endl;
  BIO_free(bout);        //destroy the buffer
  return key;

Each time, the cout display 1 (key is NULL), i don't know why.

So is there a way to duplicate it ??

--- Begin Message ---

Hello everyone,

I would like to duplicate an EVP_PKEY struct.


I wrote this not working code:
   BIO *bout = BIO_new(BIO_s_mem());
   PEM_write_bio_PrivateKey(bout, key, NULL, NULL, 0, NULL, NULL);
key = PEM_read_bio_PrivateKey(bout, NULL, NULL, NULL);
cout << (key == NULL) << endl;
   BIO_free(bout);        //destroy the buffer
   return key;

Each time, the cout display 1 (key is NULL), i don't know why.

So is there a way to duplicate it ??
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--- End Message ---