On Mon, Jul 27, 2009, Neil Dugan wrote:
> Dr. Stephen Henson wrote:
>> On Mon, Jul 27, 2009, Neil Dugan wrote:
>>> Hi,
>>>
>>> I have been trying to read the keys generated by "openssl genrsa ..." and
>>> "openssl rsa -pubout ..." commands.
>>>
>>> I successfully (according to the return code) read the private key with
>>>
>>> if (in = BIO_new_file("rsakey.pem", "r")) {
>>> int ok;
>>> printf ("Created private BIO\n");
>>> ok = (PEM_read_bio_RSAPrivateKey(in, &rsa, NULL, NULL) != NULL);
>>> printf ("ok = %s\n", (ok != 0) ? "true":"false");
>>> BIO_free(in);
>>> }
>>>
>>> but the similar code using PEM_read_bio_RSAPublicKey() doesn't want to
>>> work.
>>>
>> Use PEM_read_bio_RSA_PUBKEY() instead.
>> Steve.
>
> Thanks that seemed to work.
> But the "PEM_write_RSAPublicKey(stdout, rsa);" call doesn't output the same
> data as what is in the key file. So did it get read properly?
Well that's a different format so you wont get the same. Use
PEM_write_RSA_PUBKEY() as well and they should be the same.
Steve.
--
Dr Stephen N. Henson. OpenSSL project core developer.
Commercial tech support now available see: http://www.openssl.org
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